/**
* sx-ref.js — Generated from reference SX evaluator specification.
*
* Bootstrap-compiled from shared/sx/ref/{eval,render,primitives}.sx
* Compare against hand-written sx.js for correctness verification.
*
* DO NOT EDIT — regenerate with: python bootstrap_js.py
*/
;(function(global) {
"use strict";
// =========================================================================
// Types
// =========================================================================
var NIL = Object.freeze({ _nil: true, toString: function() { return "nil"; } });
var SX_VERSION = "2026-03-08T20:20:11Z";
function isNil(x) { return x === NIL || x === null || x === undefined; }
function isSxTruthy(x) { return x !== false && !isNil(x); }
function Symbol(name) { this.name = name; }
Symbol.prototype.toString = function() { return this.name; };
Symbol.prototype._sym = true;
function Keyword(name) { this.name = name; }
Keyword.prototype.toString = function() { return ":" + this.name; };
Keyword.prototype._kw = true;
function Lambda(params, body, closure, name) {
this.params = params;
this.body = body;
this.closure = closure || {};
this.name = name || null;
}
Lambda.prototype._lambda = true;
function Component(name, params, hasChildren, body, closure, affinity) {
this.name = name;
this.params = params;
this.hasChildren = hasChildren;
this.body = body;
this.closure = closure || {};
this.affinity = affinity || "auto";
}
Component.prototype._component = true;
function Island(name, params, hasChildren, body, closure) {
this.name = name;
this.params = params;
this.hasChildren = hasChildren;
this.body = body;
this.closure = closure || {};
}
Island.prototype._island = true;
function SxSignal(value) {
this.value = value;
this.subscribers = [];
this.deps = [];
}
SxSignal.prototype._signal = true;
function TrackingCtx(notifyFn) {
this.notifyFn = notifyFn;
this.deps = [];
}
var _trackingContext = null;
function Macro(params, restParam, body, closure, name) {
this.params = params;
this.restParam = restParam;
this.body = body;
this.closure = closure || {};
this.name = name || null;
}
Macro.prototype._macro = true;
function Thunk(expr, env) { this.expr = expr; this.env = env; }
Thunk.prototype._thunk = true;
function RawHTML(html) { this.html = html; }
RawHTML.prototype._raw = true;
function isSym(x) { return x != null && x._sym === true; }
function isKw(x) { return x != null && x._kw === true; }
function merge() {
var out = {};
for (var i = 0; i < arguments.length; i++) {
var d = arguments[i];
if (d) for (var k in d) out[k] = d[k];
}
return out;
}
function sxOr() {
for (var i = 0; i < arguments.length; i++) {
if (isSxTruthy(arguments[i])) return arguments[i];
}
return arguments.length ? arguments[arguments.length - 1] : false;
}
// =========================================================================
// Platform interface — JS implementation
// =========================================================================
function typeOf(x) {
if (isNil(x)) return "nil";
if (typeof x === "number") return "number";
if (typeof x === "string") return "string";
if (typeof x === "boolean") return "boolean";
if (x._sym) return "symbol";
if (x._kw) return "keyword";
if (x._thunk) return "thunk";
if (x._lambda) return "lambda";
if (x._component) return "component";
if (x._island) return "island";
if (x._signal) return "signal";
if (x._macro) return "macro";
if (x._raw) return "raw-html";
if (typeof Node !== "undefined" && x instanceof Node) return "dom-node";
if (Array.isArray(x)) return "list";
if (typeof x === "object") return "dict";
return "unknown";
}
function symbolName(s) { return s.name; }
function keywordName(k) { return k.name; }
function makeSymbol(n) { return new Symbol(n); }
function makeKeyword(n) { return new Keyword(n); }
function makeLambda(params, body, env) { return new Lambda(params, body, merge(env)); }
function makeComponent(name, params, hasChildren, body, env, affinity) {
return new Component(name, params, hasChildren, body, merge(env), affinity);
}
function makeMacro(params, restParam, body, env, name) {
return new Macro(params, restParam, body, merge(env), name);
}
function makeThunk(expr, env) { return new Thunk(expr, env); }
function lambdaParams(f) { return f.params; }
function lambdaBody(f) { return f.body; }
function lambdaClosure(f) { return f.closure; }
function lambdaName(f) { return f.name; }
function setLambdaName(f, n) { f.name = n; }
function componentParams(c) { return c.params; }
function componentBody(c) { return c.body; }
function componentClosure(c) { return c.closure; }
function componentHasChildren(c) { return c.hasChildren; }
function componentName(c) { return c.name; }
function componentAffinity(c) { return c.affinity || "auto"; }
function macroParams(m) { return m.params; }
function macroRestParam(m) { return m.restParam; }
function macroBody(m) { return m.body; }
function macroClosure(m) { return m.closure; }
function isThunk(x) { return x != null && x._thunk === true; }
function thunkExpr(t) { return t.expr; }
function thunkEnv(t) { return t.env; }
function isCallable(x) { return typeof x === "function" || (x != null && x._lambda === true); }
function isLambda(x) { return x != null && x._lambda === true; }
function isComponent(x) { return x != null && x._component === true; }
function isIsland(x) { return x != null && x._island === true; }
function isMacro(x) { return x != null && x._macro === true; }
function isIdentical(a, b) { return a === b; }
// Island platform
function makeIsland(name, params, hasChildren, body, env) {
return new Island(name, params, hasChildren, body, merge(env));
}
// Signal platform
function makeSignal(value) { return new SxSignal(value); }
function isSignal(x) { return x != null && x._signal === true; }
function signalValue(s) { return s.value; }
function signalSetValue(s, v) { s.value = v; }
function signalSubscribers(s) { return s.subscribers.slice(); }
function signalAddSub(s, fn) { if (s.subscribers.indexOf(fn) < 0) s.subscribers.push(fn); }
function signalRemoveSub(s, fn) { var i = s.subscribers.indexOf(fn); if (i >= 0) s.subscribers.splice(i, 1); }
function signalDeps(s) { return s.deps.slice(); }
function signalSetDeps(s, deps) { s.deps = Array.isArray(deps) ? deps.slice() : []; }
function setTrackingContext(ctx) { _trackingContext = ctx; }
function getTrackingContext() { return _trackingContext || NIL; }
function makeTrackingContext(notifyFn) { return new TrackingCtx(notifyFn); }
function trackingContextDeps(ctx) { return ctx ? ctx.deps : []; }
function trackingContextAddDep(ctx, s) { if (ctx && ctx.deps.indexOf(s) < 0) ctx.deps.push(s); }
function trackingContextNotifyFn(ctx) { return ctx ? ctx.notifyFn : NIL; }
// invoke — call any callable (native fn or SX lambda) with args.
// Transpiled code emits direct calls f(args) which fail on SX lambdas
// from runtime-evaluated island bodies. invoke dispatches correctly.
function invoke() {
var f = arguments[0];
var args = Array.prototype.slice.call(arguments, 1);
if (isLambda(f)) return trampoline(callLambda(f, args, lambdaClosure(f)));
if (typeof f === 'function') return f.apply(null, args);
return NIL;
}
// JSON / dict helpers for island state serialization
function jsonSerialize(obj) {
try { return JSON.stringify(obj); } catch(e) { return "{}"; }
}
function isEmptyDict(d) {
if (!d || typeof d !== "object") return true;
for (var k in d) if (d.hasOwnProperty(k)) return false;
return true;
}
function envHas(env, name) { return name in env; }
function envGet(env, name) { return env[name]; }
function envSet(env, name, val) { env[name] = val; }
function envExtend(env) { return Object.create(env); }
function envMerge(base, overlay) {
var child = Object.create(base);
if (overlay) for (var k in overlay) if (overlay.hasOwnProperty(k)) child[k] = overlay[k];
return child;
}
function dictSet(d, k, v) { d[k] = v; return v; }
function dictGet(d, k) { var v = d[k]; return v !== undefined ? v : NIL; }
// Render-expression detection — lets the evaluator delegate to the active adapter.
// Matches HTML tags, SVG tags, <>, raw!, ~components, html: prefix, custom elements.
// Placeholder — overridden by transpiled version from render.sx
function isRenderExpr(expr) { return false; }
// Render dispatch — call the active adapter's render function.
// Set by each adapter when loaded; defaults to identity (no rendering).
var _renderExprFn = null;
function renderExpr(expr, env) {
if (_renderExprFn) return _renderExprFn(expr, env);
// No adapter loaded — just return the expression as-is
return expr;
}
function stripPrefix(s, prefix) {
return s.indexOf(prefix) === 0 ? s.slice(prefix.length) : s;
}
function error(msg) { throw new Error(msg); }
function inspect(x) { return JSON.stringify(x); }
// =========================================================================
// Primitives
// =========================================================================
var PRIMITIVES = {};
// core.arithmetic
PRIMITIVES["+"] = function() { var s = 0; for (var i = 0; i < arguments.length; i++) s += arguments[i]; return s; };
PRIMITIVES["-"] = function(a, b) { return arguments.length === 1 ? -a : a - b; };
PRIMITIVES["*"] = function() { var s = 1; for (var i = 0; i < arguments.length; i++) s *= arguments[i]; return s; };
PRIMITIVES["/"] = function(a, b) { return a / b; };
PRIMITIVES["mod"] = function(a, b) { return a % b; };
PRIMITIVES["inc"] = function(n) { return n + 1; };
PRIMITIVES["dec"] = function(n) { return n - 1; };
PRIMITIVES["abs"] = Math.abs;
PRIMITIVES["floor"] = Math.floor;
PRIMITIVES["ceil"] = Math.ceil;
PRIMITIVES["round"] = function(x, n) {
if (n === undefined || n === 0) return Math.round(x);
var f = Math.pow(10, n); return Math.round(x * f) / f;
};
PRIMITIVES["min"] = Math.min;
PRIMITIVES["max"] = Math.max;
PRIMITIVES["sqrt"] = Math.sqrt;
PRIMITIVES["pow"] = Math.pow;
PRIMITIVES["clamp"] = function(x, lo, hi) { return Math.max(lo, Math.min(hi, x)); };
// core.comparison
PRIMITIVES["="] = function(a, b) { return a === b; };
PRIMITIVES["!="] = function(a, b) { return a !== b; };
PRIMITIVES["<"] = function(a, b) { return a < b; };
PRIMITIVES[">"] = function(a, b) { return a > b; };
PRIMITIVES["<="] = function(a, b) { return a <= b; };
PRIMITIVES[">="] = function(a, b) { return a >= b; };
// core.logic
PRIMITIVES["not"] = function(x) { return !isSxTruthy(x); };
// core.predicates
PRIMITIVES["nil?"] = isNil;
PRIMITIVES["number?"] = function(x) { return typeof x === "number"; };
PRIMITIVES["string?"] = function(x) { return typeof x === "string"; };
PRIMITIVES["list?"] = Array.isArray;
PRIMITIVES["dict?"] = function(x) { return x !== null && typeof x === "object" && !Array.isArray(x) && !x._sym && !x._kw; };
PRIMITIVES["empty?"] = function(c) { return isNil(c) || (Array.isArray(c) ? c.length === 0 : typeof c === "string" ? c.length === 0 : Object.keys(c).length === 0); };
PRIMITIVES["contains?"] = function(c, k) {
if (typeof c === "string") return c.indexOf(String(k)) !== -1;
if (Array.isArray(c)) return c.indexOf(k) !== -1;
return k in c;
};
PRIMITIVES["odd?"] = function(n) { return n % 2 !== 0; };
PRIMITIVES["even?"] = function(n) { return n % 2 === 0; };
PRIMITIVES["zero?"] = function(n) { return n === 0; };
PRIMITIVES["boolean?"] = function(x) { return x === true || x === false; };
// core.strings
PRIMITIVES["str"] = function() {
var p = [];
for (var i = 0; i < arguments.length; i++) {
var v = arguments[i]; if (isNil(v)) continue; p.push(String(v));
}
return p.join("");
};
PRIMITIVES["upper"] = function(s) { return String(s).toUpperCase(); };
PRIMITIVES["lower"] = function(s) { return String(s).toLowerCase(); };
PRIMITIVES["trim"] = function(s) { return String(s).trim(); };
PRIMITIVES["split"] = function(s, sep) { return String(s).split(sep || " "); };
PRIMITIVES["join"] = function(sep, coll) { return coll.join(sep); };
PRIMITIVES["replace"] = function(s, old, nw) { return s.split(old).join(nw); };
PRIMITIVES["index-of"] = function(s, needle, from) { return String(s).indexOf(needle, from || 0); };
PRIMITIVES["starts-with?"] = function(s, p) { return String(s).indexOf(p) === 0; };
PRIMITIVES["ends-with?"] = function(s, p) { var str = String(s); return str.indexOf(p, str.length - p.length) !== -1; };
PRIMITIVES["slice"] = function(c, a, b) { return b !== undefined ? c.slice(a, b) : c.slice(a); };
PRIMITIVES["substring"] = function(s, a, b) { return String(s).substring(a, b); };
PRIMITIVES["string-length"] = function(s) { return String(s).length; };
PRIMITIVES["string-contains?"] = function(s, sub) { return String(s).indexOf(String(sub)) !== -1; };
PRIMITIVES["concat"] = function() {
var out = [];
for (var i = 0; i < arguments.length; i++) if (!isNil(arguments[i])) out = out.concat(arguments[i]);
return out;
};
// core.collections
PRIMITIVES["list"] = function() { return Array.prototype.slice.call(arguments); };
PRIMITIVES["dict"] = function() {
var d = {};
for (var i = 0; i < arguments.length - 1; i += 2) d[arguments[i]] = arguments[i + 1];
return d;
};
PRIMITIVES["range"] = function(a, b, step) {
var r = []; step = step || 1;
for (var i = a; step > 0 ? i < b : i > b; i += step) r.push(i);
return r;
};
PRIMITIVES["get"] = function(c, k, def) { var v = (c && c[k]); return v !== undefined ? v : (def !== undefined ? def : NIL); };
PRIMITIVES["len"] = function(c) { return Array.isArray(c) ? c.length : typeof c === "string" ? c.length : Object.keys(c).length; };
PRIMITIVES["first"] = function(c) { return c && c.length > 0 ? c[0] : NIL; };
PRIMITIVES["last"] = function(c) { return c && c.length > 0 ? c[c.length - 1] : NIL; };
PRIMITIVES["rest"] = function(c) { return c ? c.slice(1) : []; };
PRIMITIVES["nth"] = function(c, n) { return c && n >= 0 && n < c.length ? c[n] : NIL; };
PRIMITIVES["cons"] = function(x, c) { return [x].concat(c || []); };
PRIMITIVES["append"] = function(c, x) { return (c || []).concat([x]); };
PRIMITIVES["append!"] = function(arr, x) { arr.push(x); return arr; };
PRIMITIVES["chunk-every"] = function(c, n) {
var r = []; for (var i = 0; i < c.length; i += n) r.push(c.slice(i, i + n)); return r;
};
PRIMITIVES["zip-pairs"] = function(c) {
var r = []; for (var i = 0; i < c.length - 1; i++) r.push([c[i], c[i + 1]]); return r;
};
PRIMITIVES["reverse"] = function(c) { return Array.isArray(c) ? c.slice().reverse() : String(c).split("").reverse().join(""); };
PRIMITIVES["flatten"] = function(c) {
var out = [];
function walk(a) { for (var i = 0; i < a.length; i++) Array.isArray(a[i]) ? walk(a[i]) : out.push(a[i]); }
walk(c || []); return out;
};
// core.dict
PRIMITIVES["keys"] = function(d) { return Object.keys(d || {}); };
PRIMITIVES["vals"] = function(d) { var r = []; for (var k in d) r.push(d[k]); return r; };
PRIMITIVES["merge"] = function() {
var out = {};
for (var i = 0; i < arguments.length; i++) { var d = arguments[i]; if (d && !isNil(d)) for (var k in d) out[k] = d[k]; }
return out;
};
PRIMITIVES["assoc"] = function(d) {
var out = {}; if (d && !isNil(d)) for (var k in d) out[k] = d[k];
for (var i = 1; i < arguments.length - 1; i += 2) out[arguments[i]] = arguments[i + 1];
return out;
};
PRIMITIVES["dissoc"] = function(d) {
var out = {}; for (var k in d) out[k] = d[k];
for (var i = 1; i < arguments.length; i++) delete out[arguments[i]];
return out;
};
PRIMITIVES["dict-set!"] = function(d, k, v) { d[k] = v; return v; };
PRIMITIVES["has-key?"] = function(d, k) { return d !== null && d !== undefined && k in d; };
PRIMITIVES["into"] = function(target, coll) {
if (Array.isArray(target)) return Array.isArray(coll) ? coll.slice() : Object.entries(coll);
var r = {}; for (var i = 0; i < coll.length; i++) { var p = coll[i]; if (Array.isArray(p) && p.length >= 2) r[p[0]] = p[1]; }
return r;
};
// stdlib.format
PRIMITIVES["format-decimal"] = function(v, p) { return Number(v).toFixed(p || 2); };
PRIMITIVES["parse-int"] = function(v, d) { var n = parseInt(v, 10); return isNaN(n) ? (d || 0) : n; };
PRIMITIVES["format-date"] = function(s, fmt) {
if (!s) return "";
try {
var d = new Date(s);
if (isNaN(d.getTime())) return String(s);
var months = ["January","February","March","April","May","June","July","August","September","October","November","December"];
var short_months = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];
return fmt.replace(/%-d/g, d.getDate()).replace(/%d/g, ("0"+d.getDate()).slice(-2))
.replace(/%B/g, months[d.getMonth()]).replace(/%b/g, short_months[d.getMonth()])
.replace(/%Y/g, d.getFullYear()).replace(/%m/g, ("0"+(d.getMonth()+1)).slice(-2))
.replace(/%H/g, ("0"+d.getHours()).slice(-2)).replace(/%M/g, ("0"+d.getMinutes()).slice(-2));
} catch (e) { return String(s); }
};
PRIMITIVES["parse-datetime"] = function(s) { return s ? String(s) : NIL; };
// stdlib.text
PRIMITIVES["pluralize"] = function(n, s, p) {
if (s || (p && p !== "s")) return n == 1 ? (s || "") : (p || "s");
return n == 1 ? "" : "s";
};
PRIMITIVES["escape"] = function(s) {
return String(s).replace(/&/g,"&").replace(//g,">").replace(/"/g,""").replace(/'/g,"'");
};
PRIMITIVES["strip-tags"] = function(s) { return String(s).replace(/<[^>]+>/g, ""); };
// stdlib.debug
PRIMITIVES["assert"] = function(cond, msg) {
if (!isSxTruthy(cond)) throw new Error("Assertion error: " + (msg || "Assertion failed"));
return true;
};
function isPrimitive(name) { return name in PRIMITIVES; }
function getPrimitive(name) { return PRIMITIVES[name]; }
// Higher-order helpers used by the transpiled code
function map(fn, coll) { return coll.map(fn); }
function mapIndexed(fn, coll) { return coll.map(function(item, i) { return fn(i, item); }); }
function filter(fn, coll) { return coll.filter(function(x) { return isSxTruthy(fn(x)); }); }
function reduce(fn, init, coll) {
var acc = init;
for (var i = 0; i < coll.length; i++) acc = fn(acc, coll[i]);
return acc;
}
function some(fn, coll) {
for (var i = 0; i < coll.length; i++) { var r = fn(coll[i]); if (isSxTruthy(r)) return r; }
return NIL;
}
function forEach(fn, coll) { for (var i = 0; i < coll.length; i++) fn(coll[i]); return NIL; }
function isEvery(fn, coll) {
for (var i = 0; i < coll.length; i++) { if (!isSxTruthy(fn(coll[i]))) return false; }
return true;
}
function mapDict(fn, d) { var r = {}; for (var k in d) r[k] = fn(k, d[k]); return r; }
// List primitives used directly by transpiled code
var len = PRIMITIVES["len"];
var first = PRIMITIVES["first"];
var last = PRIMITIVES["last"];
var rest = PRIMITIVES["rest"];
var nth = PRIMITIVES["nth"];
var cons = PRIMITIVES["cons"];
var append = PRIMITIVES["append"];
var isEmpty = PRIMITIVES["empty?"];
var contains = PRIMITIVES["contains?"];
var startsWith = PRIMITIVES["starts-with?"];
var slice = PRIMITIVES["slice"];
var concat = PRIMITIVES["concat"];
var str = PRIMITIVES["str"];
var join = PRIMITIVES["join"];
var keys = PRIMITIVES["keys"];
var get = PRIMITIVES["get"];
var assoc = PRIMITIVES["assoc"];
var range = PRIMITIVES["range"];
function zip(a, b) { var r = []; for (var i = 0; i < Math.min(a.length, b.length); i++) r.push([a[i], b[i]]); return r; }
function append_b(arr, x) { arr.push(x); return arr; }
var apply = function(f, args) {
if (isLambda(f)) return trampoline(callLambda(f, args, lambdaClosure(f)));
return f.apply(null, args);
};
// Additional primitive aliases used by adapter/engine transpiled code
var split = PRIMITIVES["split"];
var trim = PRIMITIVES["trim"];
var upper = PRIMITIVES["upper"];
var lower = PRIMITIVES["lower"];
var replace_ = function(s, old, nw) { return s.split(old).join(nw); };
var endsWith = PRIMITIVES["ends-with?"];
var parseInt_ = PRIMITIVES["parse-int"];
var dict_fn = PRIMITIVES["dict"];
// HTML rendering helpers
function escapeHtml(s) {
return String(s).replace(/&/g,"&").replace(//g,">").replace(/"/g,""");
}
function escapeAttr(s) { return escapeHtml(s); }
function rawHtmlContent(r) { return r.html; }
function makeRawHtml(s) { return { _raw: true, html: s }; }
function sxExprSource(x) { return x && x.source ? x.source : String(x); }
// Placeholders — overridden by transpiled spec from parser.sx / adapter-sx.sx
function serialize(val) { return String(val); }
function isSpecialForm(n) { return false; }
function isHoForm(n) { return false; }
// processBindings and evalCond — now specced in render.sx, bootstrapped above
function isDefinitionForm(name) {
return name === "define" || name === "defcomp" || name === "defmacro" ||
name === "defstyle" || name === "defhandler";
}
function indexOf_(s, ch) {
return typeof s === "string" ? s.indexOf(ch) : -1;
}
function dictHas(d, k) { return d != null && k in d; }
function dictDelete(d, k) { delete d[k]; }
function forEachIndexed(fn, coll) {
for (var i = 0; i < coll.length; i++) fn(i, coll[i]);
return NIL;
}
// =========================================================================
// Performance overrides — evaluator hot path
// =========================================================================
// Override parseKeywordArgs: imperative loop instead of reduce+assoc
parseKeywordArgs = function(rawArgs, env) {
var kwargs = {};
var children = [];
for (var i = 0; i < rawArgs.length; i++) {
var arg = rawArgs[i];
if (arg && arg._kw && (i + 1) < rawArgs.length) {
kwargs[arg.name] = trampoline(evalExpr(rawArgs[i + 1], env));
i++;
} else {
children.push(trampoline(evalExpr(arg, env)));
}
}
return [kwargs, children];
};
// Override callComponent: use prototype chain env, imperative kwarg binding
callComponent = function(comp, rawArgs, env) {
var kwargs = {};
var children = [];
for (var i = 0; i < rawArgs.length; i++) {
var arg = rawArgs[i];
if (arg && arg._kw && (i + 1) < rawArgs.length) {
kwargs[arg.name] = trampoline(evalExpr(rawArgs[i + 1], env));
i++;
} else {
children.push(trampoline(evalExpr(arg, env)));
}
}
var local = Object.create(componentClosure(comp));
for (var k in env) if (env.hasOwnProperty(k)) local[k] = env[k];
var params = componentParams(comp);
for (var j = 0; j < params.length; j++) {
var p = params[j];
local[p] = p in kwargs ? kwargs[p] : NIL;
}
if (componentHasChildren(comp)) {
local["children"] = children;
}
return makeThunk(componentBody(comp), local);
};
// =========================================================================
// Platform interface — Parser
// =========================================================================
// Character classification derived from the grammar:
// ident-start → [a-zA-Z_~*+\-><=/!?&]
// ident-char → ident-start + [0-9.:\/\[\]#,]
var _identStartRe = /[a-zA-Z_~*+\-><=/!?&]/;
var _identCharRe = /[a-zA-Z0-9_~*+\-><=/!?.:&/\[\]#,]/;
function isIdentStart(ch) { return _identStartRe.test(ch); }
function isIdentChar(ch) { return _identCharRe.test(ch); }
function parseNumber(s) { return Number(s); }
function escapeString(s) {
return s.replace(/\\/g, "\\\\").replace(/"/g, '\\"').replace(/\n/g, "\\n").replace(/\t/g, "\\t");
}
function sxExprSource(e) { return typeof e === "string" ? e : String(e); }
// === Transpiled from eval ===
// trampoline
var trampoline = function(val) { return (function() {
var result = val;
return (isSxTruthy(isThunk(result)) ? trampoline(evalExpr(thunkExpr(result), thunkEnv(result))) : result);
})(); };
// eval-expr
var evalExpr = function(expr, env) { return (function() { var _m = typeOf(expr); if (_m == "number") return expr; if (_m == "string") return expr; if (_m == "boolean") return expr; if (_m == "nil") return NIL; if (_m == "symbol") return (function() {
var name = symbolName(expr);
return (isSxTruthy(envHas(env, name)) ? envGet(env, name) : (isSxTruthy(isPrimitive(name)) ? getPrimitive(name) : (isSxTruthy((name == "true")) ? true : (isSxTruthy((name == "false")) ? false : (isSxTruthy((name == "nil")) ? NIL : error((String("Undefined symbol: ") + String(name))))))));
})(); if (_m == "keyword") return keywordName(expr); if (_m == "dict") return mapDict(function(k, v) { return trampoline(evalExpr(v, env)); }, expr); if (_m == "list") return (isSxTruthy(isEmpty(expr)) ? [] : evalList(expr, env)); return expr; })(); };
// eval-list
var evalList = function(expr, env) { return (function() {
var head = first(expr);
var args = rest(expr);
return (isSxTruthy(!isSxTruthy(sxOr((typeOf(head) == "symbol"), (typeOf(head) == "lambda"), (typeOf(head) == "list")))) ? map(function(x) { return trampoline(evalExpr(x, env)); }, expr) : (isSxTruthy((typeOf(head) == "symbol")) ? (function() {
var name = symbolName(head);
return (isSxTruthy((name == "if")) ? sfIf(args, env) : (isSxTruthy((name == "when")) ? sfWhen(args, env) : (isSxTruthy((name == "cond")) ? sfCond(args, env) : (isSxTruthy((name == "case")) ? sfCase(args, env) : (isSxTruthy((name == "and")) ? sfAnd(args, env) : (isSxTruthy((name == "or")) ? sfOr(args, env) : (isSxTruthy((name == "let")) ? sfLet(args, env) : (isSxTruthy((name == "let*")) ? sfLet(args, env) : (isSxTruthy((name == "letrec")) ? sfLetrec(args, env) : (isSxTruthy((name == "lambda")) ? sfLambda(args, env) : (isSxTruthy((name == "fn")) ? sfLambda(args, env) : (isSxTruthy((name == "define")) ? sfDefine(args, env) : (isSxTruthy((name == "defcomp")) ? sfDefcomp(args, env) : (isSxTruthy((name == "defisland")) ? sfDefisland(args, env) : (isSxTruthy((name == "defmacro")) ? sfDefmacro(args, env) : (isSxTruthy((name == "defstyle")) ? sfDefstyle(args, env) : (isSxTruthy((name == "defhandler")) ? sfDefhandler(args, env) : (isSxTruthy((name == "defpage")) ? sfDefpage(args, env) : (isSxTruthy((name == "defquery")) ? sfDefquery(args, env) : (isSxTruthy((name == "defaction")) ? sfDefaction(args, env) : (isSxTruthy((name == "begin")) ? sfBegin(args, env) : (isSxTruthy((name == "do")) ? sfBegin(args, env) : (isSxTruthy((name == "quote")) ? sfQuote(args, env) : (isSxTruthy((name == "quasiquote")) ? sfQuasiquote(args, env) : (isSxTruthy((name == "->")) ? sfThreadFirst(args, env) : (isSxTruthy((name == "set!")) ? sfSetBang(args, env) : (isSxTruthy((name == "reset")) ? sfReset(args, env) : (isSxTruthy((name == "shift")) ? sfShift(args, env) : (isSxTruthy((name == "dynamic-wind")) ? sfDynamicWind(args, env) : (isSxTruthy((name == "map")) ? hoMap(args, env) : (isSxTruthy((name == "map-indexed")) ? hoMapIndexed(args, env) : (isSxTruthy((name == "filter")) ? hoFilter(args, env) : (isSxTruthy((name == "reduce")) ? hoReduce(args, env) : (isSxTruthy((name == "some")) ? hoSome(args, env) : (isSxTruthy((name == "every?")) ? hoEvery(args, env) : (isSxTruthy((name == "for-each")) ? hoForEach(args, env) : (isSxTruthy((isSxTruthy(envHas(env, name)) && isMacro(envGet(env, name)))) ? (function() {
var mac = envGet(env, name);
return makeThunk(expandMacro(mac, args, env), env);
})() : (isSxTruthy(isRenderExpr(expr)) ? renderExpr(expr, env) : evalCall(head, args, env)))))))))))))))))))))))))))))))))))))));
})() : evalCall(head, args, env)));
})(); };
// eval-call
var evalCall = function(head, args, env) { return (function() {
var f = trampoline(evalExpr(head, env));
var evaluatedArgs = map(function(a) { return trampoline(evalExpr(a, env)); }, args);
return (isSxTruthy((isSxTruthy(isCallable(f)) && isSxTruthy(!isSxTruthy(isLambda(f))) && isSxTruthy(!isSxTruthy(isComponent(f))) && !isSxTruthy(isIsland(f)))) ? apply(f, evaluatedArgs) : (isSxTruthy(isLambda(f)) ? callLambda(f, evaluatedArgs, env) : (isSxTruthy(isComponent(f)) ? callComponent(f, args, env) : (isSxTruthy(isIsland(f)) ? callComponent(f, args, env) : error((String("Not callable: ") + String(inspect(f))))))));
})(); };
// call-lambda
var callLambda = function(f, args, callerEnv) { return (function() {
var params = lambdaParams(f);
var local = envMerge(lambdaClosure(f), callerEnv);
return (isSxTruthy((len(args) != len(params))) ? error((String(sxOr(lambdaName(f), "lambda")) + String(" expects ") + String(len(params)) + String(" args, got ") + String(len(args)))) : (forEach(function(pair) { return envSet(local, first(pair), nth(pair, 1)); }, zip(params, args)), makeThunk(lambdaBody(f), local)));
})(); };
// call-component
var callComponent = function(comp, rawArgs, env) { return (function() {
var parsed = parseKeywordArgs(rawArgs, env);
var kwargs = first(parsed);
var children = nth(parsed, 1);
var local = envMerge(componentClosure(comp), env);
{ var _c = componentParams(comp); for (var _i = 0; _i < _c.length; _i++) { var p = _c[_i]; local[p] = sxOr(dictGet(kwargs, p), NIL); } }
if (isSxTruthy(componentHasChildren(comp))) {
local["children"] = children;
}
return makeThunk(componentBody(comp), local);
})(); };
// parse-keyword-args
var parseKeywordArgs = function(rawArgs, env) { return (function() {
var kwargs = {};
var children = [];
var i = 0;
reduce(function(state, arg) { return (function() {
var idx = get(state, "i");
var skip = get(state, "skip");
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (idx + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((idx + 1) < len(rawArgs)))) ? (dictSet(kwargs, keywordName(arg), trampoline(evalExpr(nth(rawArgs, (idx + 1)), env))), assoc(state, "skip", true, "i", (idx + 1))) : (append_b(children, trampoline(evalExpr(arg, env))), assoc(state, "i", (idx + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, rawArgs);
return [kwargs, children];
})(); };
// sf-if
var sfIf = function(args, env) { return (function() {
var condition = trampoline(evalExpr(first(args), env));
return (isSxTruthy((isSxTruthy(condition) && !isSxTruthy(isNil(condition)))) ? makeThunk(nth(args, 1), env) : (isSxTruthy((len(args) > 2)) ? makeThunk(nth(args, 2), env) : NIL));
})(); };
// sf-when
var sfWhen = function(args, env) { return (function() {
var condition = trampoline(evalExpr(first(args), env));
return (isSxTruthy((isSxTruthy(condition) && !isSxTruthy(isNil(condition)))) ? (forEach(function(e) { return trampoline(evalExpr(e, env)); }, slice(args, 1, (len(args) - 1))), makeThunk(last(args), env)) : NIL);
})(); };
// sf-cond
var sfCond = function(args, env) { return (isSxTruthy((isSxTruthy((typeOf(first(args)) == "list")) && (len(first(args)) == 2))) ? sfCondScheme(args, env) : sfCondClojure(args, env)); };
// sf-cond-scheme
var sfCondScheme = function(clauses, env) { return (isSxTruthy(isEmpty(clauses)) ? NIL : (function() {
var clause = first(clauses);
var test = first(clause);
var body = nth(clause, 1);
return (isSxTruthy(sxOr((isSxTruthy((typeOf(test) == "symbol")) && sxOr((symbolName(test) == "else"), (symbolName(test) == ":else"))), (isSxTruthy((typeOf(test) == "keyword")) && (keywordName(test) == "else")))) ? makeThunk(body, env) : (isSxTruthy(trampoline(evalExpr(test, env))) ? makeThunk(body, env) : sfCondScheme(rest(clauses), env)));
})()); };
// sf-cond-clojure
var sfCondClojure = function(clauses, env) { return (isSxTruthy((len(clauses) < 2)) ? NIL : (function() {
var test = first(clauses);
var body = nth(clauses, 1);
return (isSxTruthy(sxOr((isSxTruthy((typeOf(test) == "keyword")) && (keywordName(test) == "else")), (isSxTruthy((typeOf(test) == "symbol")) && sxOr((symbolName(test) == "else"), (symbolName(test) == ":else"))))) ? makeThunk(body, env) : (isSxTruthy(trampoline(evalExpr(test, env))) ? makeThunk(body, env) : sfCondClojure(slice(clauses, 2), env)));
})()); };
// sf-case
var sfCase = function(args, env) { return (function() {
var matchVal = trampoline(evalExpr(first(args), env));
var clauses = rest(args);
return sfCaseLoop(matchVal, clauses, env);
})(); };
// sf-case-loop
var sfCaseLoop = function(matchVal, clauses, env) { return (isSxTruthy((len(clauses) < 2)) ? NIL : (function() {
var test = first(clauses);
var body = nth(clauses, 1);
return (isSxTruthy(sxOr((isSxTruthy((typeOf(test) == "keyword")) && (keywordName(test) == "else")), (isSxTruthy((typeOf(test) == "symbol")) && sxOr((symbolName(test) == "else"), (symbolName(test) == ":else"))))) ? makeThunk(body, env) : (isSxTruthy((matchVal == trampoline(evalExpr(test, env)))) ? makeThunk(body, env) : sfCaseLoop(matchVal, slice(clauses, 2), env)));
})()); };
// sf-and
var sfAnd = function(args, env) { return (isSxTruthy(isEmpty(args)) ? true : (function() {
var val = trampoline(evalExpr(first(args), env));
return (isSxTruthy(!isSxTruthy(val)) ? val : (isSxTruthy((len(args) == 1)) ? val : sfAnd(rest(args), env)));
})()); };
// sf-or
var sfOr = function(args, env) { return (isSxTruthy(isEmpty(args)) ? false : (function() {
var val = trampoline(evalExpr(first(args), env));
return (isSxTruthy(val) ? val : sfOr(rest(args), env));
})()); };
// sf-let
var sfLet = function(args, env) { return (isSxTruthy((typeOf(first(args)) == "symbol")) ? sfNamedLet(args, env) : (function() {
var bindings = first(args);
var body = rest(args);
var local = envExtend(env);
(isSxTruthy((isSxTruthy((typeOf(first(bindings)) == "list")) && (len(first(bindings)) == 2))) ? forEach(function(binding) { return (function() {
var vname = (isSxTruthy((typeOf(first(binding)) == "symbol")) ? symbolName(first(binding)) : first(binding));
return envSet(local, vname, trampoline(evalExpr(nth(binding, 1), local)));
})(); }, bindings) : (function() {
var i = 0;
return reduce(function(acc, pairIdx) { return (function() {
var vname = (isSxTruthy((typeOf(nth(bindings, (pairIdx * 2))) == "symbol")) ? symbolName(nth(bindings, (pairIdx * 2))) : nth(bindings, (pairIdx * 2)));
var valExpr = nth(bindings, ((pairIdx * 2) + 1));
return envSet(local, vname, trampoline(evalExpr(valExpr, local)));
})(); }, NIL, range(0, (len(bindings) / 2)));
})());
{ var _c = slice(body, 0, (len(body) - 1)); for (var _i = 0; _i < _c.length; _i++) { var e = _c[_i]; trampoline(evalExpr(e, local)); } }
return makeThunk(last(body), local);
})()); };
// sf-named-let
var sfNamedLet = function(args, env) { return (function() {
var loopName = symbolName(first(args));
var bindings = nth(args, 1);
var body = slice(args, 2);
var params = [];
var inits = [];
(isSxTruthy((isSxTruthy((typeOf(first(bindings)) == "list")) && (len(first(bindings)) == 2))) ? forEach(function(binding) { params.push((isSxTruthy((typeOf(first(binding)) == "symbol")) ? symbolName(first(binding)) : first(binding)));
return append_b(inits, nth(binding, 1)); }, bindings) : reduce(function(acc, pairIdx) { return (append_b(params, (isSxTruthy((typeOf(nth(bindings, (pairIdx * 2))) == "symbol")) ? symbolName(nth(bindings, (pairIdx * 2))) : nth(bindings, (pairIdx * 2)))), append_b(inits, nth(bindings, ((pairIdx * 2) + 1)))); }, NIL, range(0, (len(bindings) / 2))));
return (function() {
var loopBody = (isSxTruthy((len(body) == 1)) ? first(body) : cons(makeSymbol("begin"), body));
var loopFn = makeLambda(params, loopBody, env);
loopFn.name = loopName;
lambdaClosure(loopFn)[loopName] = loopFn;
return (function() {
var initVals = map(function(e) { return trampoline(evalExpr(e, env)); }, inits);
return callLambda(loopFn, initVals, env);
})();
})();
})(); };
// sf-lambda
var sfLambda = function(args, env) { return (function() {
var paramsExpr = first(args);
var bodyExprs = rest(args);
var body = (isSxTruthy((len(bodyExprs) == 1)) ? first(bodyExprs) : cons(makeSymbol("begin"), bodyExprs));
var paramNames = map(function(p) { return (isSxTruthy((typeOf(p) == "symbol")) ? symbolName(p) : p); }, paramsExpr);
return makeLambda(paramNames, body, env);
})(); };
// sf-define
var sfDefine = function(args, env) { return (function() {
var nameSym = first(args);
var value = trampoline(evalExpr(nth(args, 1), env));
if (isSxTruthy((isSxTruthy(isLambda(value)) && isNil(lambdaName(value))))) {
value.name = symbolName(nameSym);
}
env[symbolName(nameSym)] = value;
return value;
})(); };
// sf-defcomp
var sfDefcomp = function(args, env) { return (function() {
var nameSym = first(args);
var paramsRaw = nth(args, 1);
var body = last(args);
var compName = stripPrefix(symbolName(nameSym), "~");
var parsed = parseCompParams(paramsRaw);
var params = first(parsed);
var hasChildren = nth(parsed, 1);
var affinity = defcompKwarg(args, "affinity", "auto");
return (function() {
var comp = makeComponent(compName, params, hasChildren, body, env, affinity);
env[symbolName(nameSym)] = comp;
return comp;
})();
})(); };
// defcomp-kwarg
var defcompKwarg = function(args, key, default_) { return (function() {
var end = (len(args) - 1);
var result = default_;
{ var _c = range(2, end, 1); for (var _i = 0; _i < _c.length; _i++) { var i = _c[_i]; if (isSxTruthy((isSxTruthy((typeOf(nth(args, i)) == "keyword")) && isSxTruthy((keywordName(nth(args, i)) == key)) && ((i + 1) < end)))) {
(function() {
var val = nth(args, (i + 1));
return (result = (isSxTruthy((typeOf(val) == "keyword")) ? keywordName(val) : val));
})();
} } }
return result;
})(); };
// parse-comp-params
var parseCompParams = function(paramsExpr) { return (function() {
var params = [];
var hasChildren = false;
var inKey = false;
{ var _c = paramsExpr; for (var _i = 0; _i < _c.length; _i++) { var p = _c[_i]; if (isSxTruthy((typeOf(p) == "symbol"))) {
(function() {
var name = symbolName(p);
return (isSxTruthy((name == "&key")) ? (inKey = true) : (isSxTruthy((name == "&rest")) ? (hasChildren = true) : (isSxTruthy((name == "&children")) ? (hasChildren = true) : (isSxTruthy(hasChildren) ? NIL : (isSxTruthy(inKey) ? append_b(params, name) : append_b(params, name))))));
})();
} } }
return [params, hasChildren];
})(); };
// sf-defisland
var sfDefisland = function(args, env) { return (function() {
var nameSym = first(args);
var paramsRaw = nth(args, 1);
var body = last(args);
var compName = stripPrefix(symbolName(nameSym), "~");
var parsed = parseCompParams(paramsRaw);
var params = first(parsed);
var hasChildren = nth(parsed, 1);
return (function() {
var island = makeIsland(compName, params, hasChildren, body, env);
env[symbolName(nameSym)] = island;
return island;
})();
})(); };
// sf-defmacro
var sfDefmacro = function(args, env) { return (function() {
var nameSym = first(args);
var paramsRaw = nth(args, 1);
var body = nth(args, 2);
var parsed = parseMacroParams(paramsRaw);
var params = first(parsed);
var restParam = nth(parsed, 1);
return (function() {
var mac = makeMacro(params, restParam, body, env, symbolName(nameSym));
env[symbolName(nameSym)] = mac;
return mac;
})();
})(); };
// parse-macro-params
var parseMacroParams = function(paramsExpr) { return (function() {
var params = [];
var restParam = NIL;
reduce(function(state, p) { return (isSxTruthy((isSxTruthy((typeOf(p) == "symbol")) && (symbolName(p) == "&rest"))) ? assoc(state, "in-rest", true) : (isSxTruthy(get(state, "in-rest")) ? ((restParam = (isSxTruthy((typeOf(p) == "symbol")) ? symbolName(p) : p)), state) : (append_b(params, (isSxTruthy((typeOf(p) == "symbol")) ? symbolName(p) : p)), state))); }, {["in-rest"]: false}, paramsExpr);
return [params, restParam];
})(); };
// sf-defstyle
var sfDefstyle = function(args, env) { return (function() {
var nameSym = first(args);
var value = trampoline(evalExpr(nth(args, 1), env));
env[symbolName(nameSym)] = value;
return value;
})(); };
// sf-begin
var sfBegin = function(args, env) { return (isSxTruthy(isEmpty(args)) ? NIL : (forEach(function(e) { return trampoline(evalExpr(e, env)); }, slice(args, 0, (len(args) - 1))), makeThunk(last(args), env))); };
// sf-quote
var sfQuote = function(args, env) { return (isSxTruthy(isEmpty(args)) ? NIL : first(args)); };
// sf-quasiquote
var sfQuasiquote = function(args, env) { return qqExpand(first(args), env); };
// qq-expand
var qqExpand = function(template, env) { return (isSxTruthy(!isSxTruthy((typeOf(template) == "list"))) ? template : (isSxTruthy(isEmpty(template)) ? [] : (function() {
var head = first(template);
return (isSxTruthy((isSxTruthy((typeOf(head) == "symbol")) && (symbolName(head) == "unquote"))) ? trampoline(evalExpr(nth(template, 1), env)) : reduce(function(result, item) { return (isSxTruthy((isSxTruthy((typeOf(item) == "list")) && isSxTruthy((len(item) == 2)) && isSxTruthy((typeOf(first(item)) == "symbol")) && (symbolName(first(item)) == "splice-unquote"))) ? (function() {
var spliced = trampoline(evalExpr(nth(item, 1), env));
return (isSxTruthy((typeOf(spliced) == "list")) ? concat(result, spliced) : (isSxTruthy(isNil(spliced)) ? result : append(result, spliced)));
})() : append(result, qqExpand(item, env))); }, [], template));
})())); };
// sf-thread-first
var sfThreadFirst = function(args, env) { return (function() {
var val = trampoline(evalExpr(first(args), env));
return reduce(function(result, form) { return (isSxTruthy((typeOf(form) == "list")) ? (function() {
var f = trampoline(evalExpr(first(form), env));
var restArgs = map(function(a) { return trampoline(evalExpr(a, env)); }, rest(form));
var allArgs = cons(result, restArgs);
return (isSxTruthy((isSxTruthy(isCallable(f)) && !isSxTruthy(isLambda(f)))) ? apply(f, allArgs) : (isSxTruthy(isLambda(f)) ? trampoline(callLambda(f, allArgs, env)) : error((String("-> form not callable: ") + String(inspect(f))))));
})() : (function() {
var f = trampoline(evalExpr(form, env));
return (isSxTruthy((isSxTruthy(isCallable(f)) && !isSxTruthy(isLambda(f)))) ? f(result) : (isSxTruthy(isLambda(f)) ? trampoline(callLambda(f, [result], env)) : error((String("-> form not callable: ") + String(inspect(f))))));
})()); }, val, rest(args));
})(); };
// sf-set!
var sfSetBang = function(args, env) { return (function() {
var name = symbolName(first(args));
var value = trampoline(evalExpr(nth(args, 1), env));
env[name] = value;
return value;
})(); };
// sf-letrec
var sfLetrec = function(args, env) { return (function() {
var bindings = first(args);
var body = rest(args);
var local = envExtend(env);
var names = [];
var valExprs = [];
(isSxTruthy((isSxTruthy((typeOf(first(bindings)) == "list")) && (len(first(bindings)) == 2))) ? forEach(function(binding) { return (function() {
var vname = (isSxTruthy((typeOf(first(binding)) == "symbol")) ? symbolName(first(binding)) : first(binding));
names.push(vname);
valExprs.push(nth(binding, 1));
return envSet(local, vname, NIL);
})(); }, bindings) : reduce(function(acc, pairIdx) { return (function() {
var vname = (isSxTruthy((typeOf(nth(bindings, (pairIdx * 2))) == "symbol")) ? symbolName(nth(bindings, (pairIdx * 2))) : nth(bindings, (pairIdx * 2)));
var valExpr = nth(bindings, ((pairIdx * 2) + 1));
names.push(vname);
valExprs.push(valExpr);
return envSet(local, vname, NIL);
})(); }, NIL, range(0, (len(bindings) / 2))));
(function() {
var values = map(function(e) { return trampoline(evalExpr(e, local)); }, valExprs);
{ var _c = zip(names, values); for (var _i = 0; _i < _c.length; _i++) { var pair = _c[_i]; local[first(pair)] = nth(pair, 1); } }
return forEach(function(val) { return (isSxTruthy(isLambda(val)) ? forEach(function(n) { return envSet(lambdaClosure(val), n, envGet(local, n)); }, names) : NIL); }, values);
})();
{ var _c = slice(body, 0, (len(body) - 1)); for (var _i = 0; _i < _c.length; _i++) { var e = _c[_i]; trampoline(evalExpr(e, local)); } }
return makeThunk(last(body), local);
})(); };
// sf-dynamic-wind
var sfDynamicWind = function(args, env) { return (function() {
var before = trampoline(evalExpr(first(args), env));
var body = trampoline(evalExpr(nth(args, 1), env));
var after = trampoline(evalExpr(nth(args, 2), env));
callThunk(before, env);
pushWind(before, after);
return (function() {
var result = callThunk(body, env);
popWind();
callThunk(after, env);
return result;
})();
})(); };
// expand-macro
var expandMacro = function(mac, rawArgs, env) { return (function() {
var local = envMerge(macroClosure(mac), env);
{ var _c = mapIndexed(function(i, p) { return [p, i]; }, macroParams(mac)); for (var _i = 0; _i < _c.length; _i++) { var pair = _c[_i]; local[first(pair)] = (isSxTruthy((nth(pair, 1) < len(rawArgs))) ? nth(rawArgs, nth(pair, 1)) : NIL); } }
if (isSxTruthy(macroRestParam(mac))) {
local[macroRestParam(mac)] = slice(rawArgs, len(macroParams(mac)));
}
return trampoline(evalExpr(macroBody(mac), local));
})(); };
// call-fn
var callFn = function(f, args, env) { return (isSxTruthy(isLambda(f)) ? trampoline(callLambda(f, args, env)) : (isSxTruthy(isCallable(f)) ? apply(f, args) : error((String("Not callable in HO form: ") + String(inspect(f)))))); };
// ho-map
var hoMap = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return map(function(item) { return callFn(f, [item], env); }, coll);
})(); };
// ho-map-indexed
var hoMapIndexed = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return mapIndexed(function(i, item) { return callFn(f, [i, item], env); }, coll);
})(); };
// ho-filter
var hoFilter = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return filter(function(item) { return callFn(f, [item], env); }, coll);
})(); };
// ho-reduce
var hoReduce = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var init = trampoline(evalExpr(nth(args, 1), env));
var coll = trampoline(evalExpr(nth(args, 2), env));
return reduce(function(acc, item) { return callFn(f, [acc, item], env); }, init, coll);
})(); };
// ho-some
var hoSome = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return some(function(item) { return callFn(f, [item], env); }, coll);
})(); };
// ho-every
var hoEvery = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return isEvery(function(item) { return callFn(f, [item], env); }, coll);
})(); };
// ho-for-each
var hoForEach = function(args, env) { return (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return forEach(function(item) { return callFn(f, [item], env); }, coll);
})(); };
// === Transpiled from render (core) ===
// HTML_TAGS
var HTML_TAGS = ["html", "head", "body", "title", "meta", "link", "script", "style", "noscript", "header", "nav", "main", "section", "article", "aside", "footer", "h1", "h2", "h3", "h4", "h5", "h6", "hgroup", "div", "p", "blockquote", "pre", "figure", "figcaption", "address", "details", "summary", "a", "span", "em", "strong", "small", "b", "i", "u", "s", "mark", "sub", "sup", "abbr", "cite", "code", "time", "br", "wbr", "hr", "ul", "ol", "li", "dl", "dt", "dd", "table", "thead", "tbody", "tfoot", "tr", "th", "td", "caption", "colgroup", "col", "form", "input", "textarea", "select", "option", "optgroup", "button", "label", "fieldset", "legend", "output", "datalist", "img", "video", "audio", "source", "picture", "canvas", "iframe", "svg", "math", "path", "circle", "ellipse", "rect", "line", "polyline", "polygon", "text", "tspan", "g", "defs", "use", "clipPath", "mask", "pattern", "linearGradient", "radialGradient", "stop", "filter", "feGaussianBlur", "feOffset", "feBlend", "feColorMatrix", "feComposite", "feMerge", "feMergeNode", "feTurbulence", "feComponentTransfer", "feFuncR", "feFuncG", "feFuncB", "feFuncA", "feDisplacementMap", "feFlood", "feImage", "feMorphology", "feSpecularLighting", "feDiffuseLighting", "fePointLight", "feSpotLight", "feDistantLight", "animate", "animateTransform", "foreignObject", "template", "slot", "dialog", "menu"];
// VOID_ELEMENTS
var VOID_ELEMENTS = ["area", "base", "br", "col", "embed", "hr", "img", "input", "link", "meta", "param", "source", "track", "wbr"];
// BOOLEAN_ATTRS
var BOOLEAN_ATTRS = ["async", "autofocus", "autoplay", "checked", "controls", "default", "defer", "disabled", "formnovalidate", "hidden", "inert", "ismap", "loop", "multiple", "muted", "nomodule", "novalidate", "open", "playsinline", "readonly", "required", "reversed", "selected"];
// definition-form?
var isDefinitionForm = function(name) { return sxOr((name == "define"), (name == "defcomp"), (name == "defisland"), (name == "defmacro"), (name == "defstyle"), (name == "defhandler")); };
// parse-element-args
var parseElementArgs = function(args, env) { return (function() {
var attrs = {};
var children = [];
reduce(function(state, arg) { return (function() {
var skip = get(state, "skip");
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (get(state, "i") + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((get(state, "i") + 1) < len(args)))) ? (function() {
var val = trampoline(evalExpr(nth(args, (get(state, "i") + 1)), env));
attrs[keywordName(arg)] = val;
return assoc(state, "skip", true, "i", (get(state, "i") + 1));
})() : (append_b(children, arg), assoc(state, "i", (get(state, "i") + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, args);
return [attrs, children];
})(); };
// render-attrs
var renderAttrs = function(attrs) { return join("", map(function(key) { return (function() {
var val = dictGet(attrs, key);
return (isSxTruthy((isSxTruthy(contains(BOOLEAN_ATTRS, key)) && val)) ? (String(" ") + String(key)) : (isSxTruthy((isSxTruthy(contains(BOOLEAN_ATTRS, key)) && !isSxTruthy(val))) ? "" : (isSxTruthy(isNil(val)) ? "" : (String(" ") + String(key) + String("=\"") + String(escapeAttr((String(val)))) + String("\"")))));
})(); }, keys(attrs))); };
// eval-cond
var evalCond = function(clauses, env) { return (isSxTruthy((isSxTruthy(!isSxTruthy(isEmpty(clauses))) && isSxTruthy((typeOf(first(clauses)) == "list")) && (len(first(clauses)) == 2))) ? evalCondScheme(clauses, env) : evalCondClojure(clauses, env)); };
// eval-cond-scheme
var evalCondScheme = function(clauses, env) { return (isSxTruthy(isEmpty(clauses)) ? NIL : (function() {
var clause = first(clauses);
var test = first(clause);
var body = nth(clause, 1);
return (isSxTruthy(sxOr((isSxTruthy((typeOf(test) == "symbol")) && sxOr((symbolName(test) == "else"), (symbolName(test) == ":else"))), (isSxTruthy((typeOf(test) == "keyword")) && (keywordName(test) == "else")))) ? body : (isSxTruthy(trampoline(evalExpr(test, env))) ? body : evalCondScheme(rest(clauses), env)));
})()); };
// eval-cond-clojure
var evalCondClojure = function(clauses, env) { return (isSxTruthy((len(clauses) < 2)) ? NIL : (function() {
var test = first(clauses);
var body = nth(clauses, 1);
return (isSxTruthy(sxOr((isSxTruthy((typeOf(test) == "keyword")) && (keywordName(test) == "else")), (isSxTruthy((typeOf(test) == "symbol")) && sxOr((symbolName(test) == "else"), (symbolName(test) == ":else"))))) ? body : (isSxTruthy(trampoline(evalExpr(test, env))) ? body : evalCondClojure(slice(clauses, 2), env)));
})()); };
// process-bindings
var processBindings = function(bindings, env) { return (function() {
var local = merge(env);
{ var _c = bindings; for (var _i = 0; _i < _c.length; _i++) { var pair = _c[_i]; if (isSxTruthy((isSxTruthy((typeOf(pair) == "list")) && (len(pair) >= 2)))) {
(function() {
var name = (isSxTruthy((typeOf(first(pair)) == "symbol")) ? symbolName(first(pair)) : (String(first(pair))));
return envSet(local, name, trampoline(evalExpr(nth(pair, 1), local)));
})();
} } }
return local;
})(); };
// is-render-expr?
var isRenderExpr = function(expr) { return (isSxTruthy(sxOr(!isSxTruthy((typeOf(expr) == "list")), isEmpty(expr))) ? false : (function() {
var h = first(expr);
return (isSxTruthy(!isSxTruthy((typeOf(h) == "symbol"))) ? false : (function() {
var n = symbolName(h);
return sxOr((n == "<>"), (n == "raw!"), startsWith(n, "~"), startsWith(n, "html:"), contains(HTML_TAGS, n), (isSxTruthy((indexOf_(n, "-") > 0)) && isSxTruthy((len(expr) > 1)) && (typeOf(nth(expr, 1)) == "keyword")));
})());
})()); };
// === Transpiled from parser ===
// sx-parse
var sxParse = function(source) { return (function() {
var pos = 0;
var lenSrc = len(source);
var skipComment = function() { while(true) { if (isSxTruthy((isSxTruthy((pos < lenSrc)) && !isSxTruthy((nth(source, pos) == "\n"))))) { pos = (pos + 1);
continue; } else { return NIL; } } };
var skipWs = function() { while(true) { if (isSxTruthy((pos < lenSrc))) { { var ch = nth(source, pos);
if (isSxTruthy(sxOr((ch == " "), (ch == "\t"), (ch == "\n"), (ch == "\r")))) { pos = (pos + 1);
continue; } else if (isSxTruthy((ch == ";"))) { pos = (pos + 1);
skipComment();
continue; } else { return NIL; } } } else { return NIL; } } };
var readString = function() { pos = (pos + 1);
return (function() {
var buf = "";
var readStrLoop = function() { while(true) { if (isSxTruthy((pos >= lenSrc))) { return error("Unterminated string"); } else { { var ch = nth(source, pos);
if (isSxTruthy((ch == "\""))) { pos = (pos + 1);
return NIL; } else if (isSxTruthy((ch == "\\"))) { pos = (pos + 1);
{ var esc = nth(source, pos);
buf = (String(buf) + String((isSxTruthy((esc == "n")) ? "\n" : (isSxTruthy((esc == "t")) ? "\t" : (isSxTruthy((esc == "r")) ? "\r" : esc)))));
pos = (pos + 1);
continue; } } else { buf = (String(buf) + String(ch));
pos = (pos + 1);
continue; } } } } };
readStrLoop();
return buf;
})(); };
var readIdent = function() { return (function() {
var start = pos;
var readIdentLoop = function() { while(true) { if (isSxTruthy((isSxTruthy((pos < lenSrc)) && isIdentChar(nth(source, pos))))) { pos = (pos + 1);
continue; } else { return NIL; } } };
readIdentLoop();
return slice(source, start, pos);
})(); };
var readKeyword = function() { pos = (pos + 1);
return makeKeyword(readIdent()); };
var readNumber = function() { return (function() {
var start = pos;
if (isSxTruthy((isSxTruthy((pos < lenSrc)) && (nth(source, pos) == "-")))) {
pos = (pos + 1);
}
var readDigits = function() { while(true) { if (isSxTruthy((isSxTruthy((pos < lenSrc)) && (function() {
var c = nth(source, pos);
return (isSxTruthy((c >= "0")) && (c <= "9"));
})()))) { pos = (pos + 1);
continue; } else { return NIL; } } };
readDigits();
if (isSxTruthy((isSxTruthy((pos < lenSrc)) && (nth(source, pos) == ".")))) {
pos = (pos + 1);
readDigits();
}
if (isSxTruthy((isSxTruthy((pos < lenSrc)) && sxOr((nth(source, pos) == "e"), (nth(source, pos) == "E"))))) {
pos = (pos + 1);
if (isSxTruthy((isSxTruthy((pos < lenSrc)) && sxOr((nth(source, pos) == "+"), (nth(source, pos) == "-"))))) {
pos = (pos + 1);
}
readDigits();
}
return parseNumber(slice(source, start, pos));
})(); };
var readSymbol = function() { return (function() {
var name = readIdent();
return (isSxTruthy((name == "true")) ? true : (isSxTruthy((name == "false")) ? false : (isSxTruthy((name == "nil")) ? NIL : makeSymbol(name))));
})(); };
var readList = function(closeCh) { return (function() {
var items = [];
var readListLoop = function() { while(true) { skipWs();
if (isSxTruthy((pos >= lenSrc))) { return error("Unterminated list"); } else { if (isSxTruthy((nth(source, pos) == closeCh))) { pos = (pos + 1);
return NIL; } else { items.push(readExpr());
continue; } } } };
readListLoop();
return items;
})(); };
var readMap = function() { return (function() {
var result = {};
var readMapLoop = function() { while(true) { skipWs();
if (isSxTruthy((pos >= lenSrc))) { return error("Unterminated map"); } else { if (isSxTruthy((nth(source, pos) == "}"))) { pos = (pos + 1);
return NIL; } else { { var keyExpr = readExpr();
var keyStr = (isSxTruthy((typeOf(keyExpr) == "keyword")) ? keywordName(keyExpr) : (String(keyExpr)));
var valExpr = readExpr();
result[keyStr] = valExpr;
continue; } } } } };
readMapLoop();
return result;
})(); };
var readRawString = function() { return (function() {
var buf = "";
var rawLoop = function() { while(true) { if (isSxTruthy((pos >= lenSrc))) { return error("Unterminated raw string"); } else { { var ch = nth(source, pos);
if (isSxTruthy((ch == "|"))) { pos = (pos + 1);
return NIL; } else { buf = (String(buf) + String(ch));
pos = (pos + 1);
continue; } } } } };
rawLoop();
return buf;
})(); };
var readExpr = function() { while(true) { skipWs();
if (isSxTruthy((pos >= lenSrc))) { return error("Unexpected end of input"); } else { { var ch = nth(source, pos);
if (isSxTruthy((ch == "("))) { pos = (pos + 1);
return readList(")"); } else if (isSxTruthy((ch == "["))) { pos = (pos + 1);
return readList("]"); } else if (isSxTruthy((ch == "{"))) { pos = (pos + 1);
return readMap(); } else if (isSxTruthy((ch == "\""))) { return readString(); } else if (isSxTruthy((ch == ":"))) { return readKeyword(); } else if (isSxTruthy((ch == "`"))) { pos = (pos + 1);
return [makeSymbol("quasiquote"), readExpr()]; } else if (isSxTruthy((ch == ","))) { pos = (pos + 1);
if (isSxTruthy((isSxTruthy((pos < lenSrc)) && (nth(source, pos) == "@")))) { pos = (pos + 1);
return [makeSymbol("splice-unquote"), readExpr()]; } else { return [makeSymbol("unquote"), readExpr()]; } } else if (isSxTruthy((ch == "#"))) { pos = (pos + 1);
if (isSxTruthy((pos >= lenSrc))) { return error("Unexpected end of input after #"); } else { { var dispatchCh = nth(source, pos);
if (isSxTruthy((dispatchCh == ";"))) { pos = (pos + 1);
readExpr();
continue; } else if (isSxTruthy((dispatchCh == "|"))) { pos = (pos + 1);
return readRawString(); } else if (isSxTruthy((dispatchCh == "'"))) { pos = (pos + 1);
return [makeSymbol("quote"), readExpr()]; } else if (isSxTruthy(isIdentStart(dispatchCh))) { { var macroName = readIdent();
{ var handler = readerMacroGet(macroName);
if (isSxTruthy(handler)) { return handler(readExpr()); } else { return error((String("Unknown reader macro: #") + String(macroName))); } } } } else { return error((String("Unknown reader macro: #") + String(dispatchCh))); } } } } else if (isSxTruthy(sxOr((isSxTruthy((ch >= "0")) && (ch <= "9")), (isSxTruthy((ch == "-")) && isSxTruthy(((pos + 1) < lenSrc)) && (function() {
var nextCh = nth(source, (pos + 1));
return (isSxTruthy((nextCh >= "0")) && (nextCh <= "9"));
})())))) { return readNumber(); } else if (isSxTruthy((isSxTruthy((ch == ".")) && isSxTruthy(((pos + 2) < lenSrc)) && isSxTruthy((nth(source, (pos + 1)) == ".")) && (nth(source, (pos + 2)) == ".")))) { pos = (pos + 3);
return makeSymbol("..."); } else if (isSxTruthy(isIdentStart(ch))) { return readSymbol(); } else { return error((String("Unexpected character: ") + String(ch))); } } } } };
return (function() {
var exprs = [];
var parseLoop = function() { while(true) { skipWs();
if (isSxTruthy((pos < lenSrc))) { exprs.push(readExpr());
continue; } else { return NIL; } } };
parseLoop();
return exprs;
})();
})(); };
// sx-serialize
var sxSerialize = function(val) { return (function() { var _m = typeOf(val); if (_m == "nil") return "nil"; if (_m == "boolean") return (isSxTruthy(val) ? "true" : "false"); if (_m == "number") return (String(val)); if (_m == "string") return (String("\"") + String(escapeString(val)) + String("\"")); if (_m == "symbol") return symbolName(val); if (_m == "keyword") return (String(":") + String(keywordName(val))); if (_m == "list") return (String("(") + String(join(" ", map(sxSerialize, val))) + String(")")); if (_m == "dict") return sxSerializeDict(val); if (_m == "sx-expr") return sxExprSource(val); return (String(val)); })(); };
// sx-serialize-dict
var sxSerializeDict = function(d) { return (String("{") + String(join(" ", reduce(function(acc, key) { return concat(acc, [(String(":") + String(key)), sxSerialize(dictGet(d, key))]); }, [], keys(d)))) + String("}")); };
// serialize
var serialize = sxSerialize;
// === Transpiled from adapter-html ===
// render-to-html
var renderToHtml = function(expr, env) { return (function() { var _m = typeOf(expr); if (_m == "nil") return ""; if (_m == "string") return escapeHtml(expr); if (_m == "number") return (String(expr)); if (_m == "boolean") return (isSxTruthy(expr) ? "true" : "false"); if (_m == "list") return (isSxTruthy(isEmpty(expr)) ? "" : renderListToHtml(expr, env)); if (_m == "symbol") return renderValueToHtml(trampoline(evalExpr(expr, env)), env); if (_m == "keyword") return escapeHtml(keywordName(expr)); if (_m == "raw-html") return rawHtmlContent(expr); return renderValueToHtml(trampoline(evalExpr(expr, env)), env); })(); };
// render-value-to-html
var renderValueToHtml = function(val, env) { return (function() { var _m = typeOf(val); if (_m == "nil") return ""; if (_m == "string") return escapeHtml(val); if (_m == "number") return (String(val)); if (_m == "boolean") return (isSxTruthy(val) ? "true" : "false"); if (_m == "list") return renderListToHtml(val, env); if (_m == "raw-html") return rawHtmlContent(val); return escapeHtml((String(val))); })(); };
// RENDER_HTML_FORMS
var RENDER_HTML_FORMS = ["if", "when", "cond", "case", "let", "let*", "begin", "do", "define", "defcomp", "defisland", "defmacro", "defstyle", "defhandler", "map", "map-indexed", "filter", "for-each"];
// render-html-form?
var isRenderHtmlForm = function(name) { return contains(RENDER_HTML_FORMS, name); };
// render-list-to-html
var renderListToHtml = function(expr, env) { return (isSxTruthy(isEmpty(expr)) ? "" : (function() {
var head = first(expr);
return (isSxTruthy(!isSxTruthy((typeOf(head) == "symbol"))) ? join("", map(function(x) { return renderValueToHtml(x, env); }, expr)) : (function() {
var name = symbolName(head);
var args = rest(expr);
return (isSxTruthy((name == "<>")) ? join("", map(function(x) { return renderToHtml(x, env); }, args)) : (isSxTruthy((name == "raw!")) ? join("", map(function(x) { return (String(trampoline(evalExpr(x, env)))); }, args)) : (isSxTruthy(contains(HTML_TAGS, name)) ? renderHtmlElement(name, args, env) : (isSxTruthy((isSxTruthy(startsWith(name, "~")) && isSxTruthy(envHas(env, name)) && isIsland(envGet(env, name)))) ? renderHtmlIsland(envGet(env, name), args, env) : (isSxTruthy(startsWith(name, "~")) ? (function() {
var val = envGet(env, name);
return (isSxTruthy(isComponent(val)) ? renderHtmlComponent(val, args, env) : (isSxTruthy(isMacro(val)) ? renderToHtml(expandMacro(val, args, env), env) : error((String("Unknown component: ") + String(name)))));
})() : (isSxTruthy(isRenderHtmlForm(name)) ? dispatchHtmlForm(name, expr, env) : (isSxTruthy((isSxTruthy(envHas(env, name)) && isMacro(envGet(env, name)))) ? renderToHtml(expandMacro(envGet(env, name), args, env), env) : renderValueToHtml(trampoline(evalExpr(expr, env)), env))))))));
})());
})()); };
// dispatch-html-form
var dispatchHtmlForm = function(name, expr, env) { return (isSxTruthy((name == "if")) ? (function() {
var condVal = trampoline(evalExpr(nth(expr, 1), env));
return (isSxTruthy(condVal) ? renderToHtml(nth(expr, 2), env) : (isSxTruthy((len(expr) > 3)) ? renderToHtml(nth(expr, 3), env) : ""));
})() : (isSxTruthy((name == "when")) ? (isSxTruthy(!isSxTruthy(trampoline(evalExpr(nth(expr, 1), env)))) ? "" : join("", map(function(i) { return renderToHtml(nth(expr, i), env); }, range(2, len(expr))))) : (isSxTruthy((name == "cond")) ? (function() {
var branch = evalCond(rest(expr), env);
return (isSxTruthy(branch) ? renderToHtml(branch, env) : "");
})() : (isSxTruthy((name == "case")) ? renderToHtml(trampoline(evalExpr(expr, env)), env) : (isSxTruthy(sxOr((name == "let"), (name == "let*"))) ? (function() {
var local = processBindings(nth(expr, 1), env);
return join("", map(function(i) { return renderToHtml(nth(expr, i), local); }, range(2, len(expr))));
})() : (isSxTruthy(sxOr((name == "begin"), (name == "do"))) ? join("", map(function(i) { return renderToHtml(nth(expr, i), env); }, range(1, len(expr)))) : (isSxTruthy(isDefinitionForm(name)) ? (trampoline(evalExpr(expr, env)), "") : (isSxTruthy((name == "map")) ? (function() {
var f = trampoline(evalExpr(nth(expr, 1), env));
var coll = trampoline(evalExpr(nth(expr, 2), env));
return join("", map(function(item) { return (isSxTruthy(isLambda(f)) ? renderLambdaHtml(f, [item], env) : renderToHtml(apply(f, [item]), env)); }, coll));
})() : (isSxTruthy((name == "map-indexed")) ? (function() {
var f = trampoline(evalExpr(nth(expr, 1), env));
var coll = trampoline(evalExpr(nth(expr, 2), env));
return join("", mapIndexed(function(i, item) { return (isSxTruthy(isLambda(f)) ? renderLambdaHtml(f, [i, item], env) : renderToHtml(apply(f, [i, item]), env)); }, coll));
})() : (isSxTruthy((name == "filter")) ? renderToHtml(trampoline(evalExpr(expr, env)), env) : (isSxTruthy((name == "for-each")) ? (function() {
var f = trampoline(evalExpr(nth(expr, 1), env));
var coll = trampoline(evalExpr(nth(expr, 2), env));
return join("", map(function(item) { return (isSxTruthy(isLambda(f)) ? renderLambdaHtml(f, [item], env) : renderToHtml(apply(f, [item]), env)); }, coll));
})() : renderValueToHtml(trampoline(evalExpr(expr, env)), env)))))))))))); };
// render-lambda-html
var renderLambdaHtml = function(f, args, env) { return (function() {
var local = envMerge(lambdaClosure(f), env);
forEachIndexed(function(i, p) { return envSet(local, p, nth(args, i)); }, lambdaParams(f));
return renderToHtml(lambdaBody(f), local);
})(); };
// render-html-component
var renderHtmlComponent = function(comp, args, env) { return (function() {
var kwargs = {};
var children = [];
reduce(function(state, arg) { return (function() {
var skip = get(state, "skip");
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (get(state, "i") + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((get(state, "i") + 1) < len(args)))) ? (function() {
var val = trampoline(evalExpr(nth(args, (get(state, "i") + 1)), env));
kwargs[keywordName(arg)] = val;
return assoc(state, "skip", true, "i", (get(state, "i") + 1));
})() : (append_b(children, arg), assoc(state, "i", (get(state, "i") + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, args);
return (function() {
var local = envMerge(componentClosure(comp), env);
{ var _c = componentParams(comp); for (var _i = 0; _i < _c.length; _i++) { var p = _c[_i]; local[p] = (isSxTruthy(dictHas(kwargs, p)) ? dictGet(kwargs, p) : NIL); } }
if (isSxTruthy(componentHasChildren(comp))) {
local["children"] = makeRawHtml(join("", map(function(c) { return renderToHtml(c, env); }, children)));
}
return renderToHtml(componentBody(comp), local);
})();
})(); };
// render-html-element
var renderHtmlElement = function(tag, args, env) { return (function() {
var parsed = parseElementArgs(args, env);
var attrs = first(parsed);
var children = nth(parsed, 1);
var isVoid = contains(VOID_ELEMENTS, tag);
return (String("<") + String(tag) + String(renderAttrs(attrs)) + String((isSxTruthy(isVoid) ? " />" : (String(">") + String(join("", map(function(c) { return renderToHtml(c, env); }, children))) + String("")))));
})(); };
// render-html-island
var renderHtmlIsland = function(island, args, env) { return (function() {
var kwargs = {};
var children = [];
reduce(function(state, arg) { return (function() {
var skip = get(state, "skip");
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (get(state, "i") + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((get(state, "i") + 1) < len(args)))) ? (function() {
var val = trampoline(evalExpr(nth(args, (get(state, "i") + 1)), env));
kwargs[keywordName(arg)] = val;
return assoc(state, "skip", true, "i", (get(state, "i") + 1));
})() : (append_b(children, arg), assoc(state, "i", (get(state, "i") + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, args);
return (function() {
var local = envMerge(componentClosure(island), env);
var islandName = componentName(island);
{ var _c = componentParams(island); for (var _i = 0; _i < _c.length; _i++) { var p = _c[_i]; local[p] = (isSxTruthy(dictHas(kwargs, p)) ? dictGet(kwargs, p) : NIL); } }
if (isSxTruthy(componentHasChildren(island))) {
local["children"] = makeRawHtml(join("", map(function(c) { return renderToHtml(c, env); }, children)));
}
return (function() {
var bodyHtml = renderToHtml(componentBody(island), local);
var stateJson = serializeIslandState(kwargs);
return (String("") + String(bodyHtml) + String("
"));
})();
})();
})(); };
// serialize-island-state
var serializeIslandState = function(kwargs) { return (isSxTruthy(isEmptyDict(kwargs)) ? NIL : jsonSerialize(kwargs)); };
// === Transpiled from adapter-sx ===
// render-to-sx
var renderToSx = function(expr, env) { return (function() {
var result = aser(expr, env);
return (isSxTruthy((typeOf(result) == "string")) ? result : serialize(result));
})(); };
// aser
var aser = function(expr, env) { return (function() { var _m = typeOf(expr); if (_m == "number") return expr; if (_m == "string") return expr; if (_m == "boolean") return expr; if (_m == "nil") return NIL; if (_m == "symbol") return (function() {
var name = symbolName(expr);
return (isSxTruthy(envHas(env, name)) ? envGet(env, name) : (isSxTruthy(isPrimitive(name)) ? getPrimitive(name) : (isSxTruthy((name == "true")) ? true : (isSxTruthy((name == "false")) ? false : (isSxTruthy((name == "nil")) ? NIL : error((String("Undefined symbol: ") + String(name))))))));
})(); if (_m == "keyword") return keywordName(expr); if (_m == "list") return (isSxTruthy(isEmpty(expr)) ? [] : aserList(expr, env)); return expr; })(); };
// aser-list
var aserList = function(expr, env) { return (function() {
var head = first(expr);
var args = rest(expr);
return (isSxTruthy(!isSxTruthy((typeOf(head) == "symbol"))) ? map(function(x) { return aser(x, env); }, expr) : (function() {
var name = symbolName(head);
return (isSxTruthy((name == "<>")) ? aserFragment(args, env) : (isSxTruthy(startsWith(name, "~")) ? aserCall(name, args, env) : (isSxTruthy(contains(HTML_TAGS, name)) ? aserCall(name, args, env) : (isSxTruthy(sxOr(isSpecialForm(name), isHoForm(name))) ? aserSpecial(name, expr, env) : (isSxTruthy((isSxTruthy(envHas(env, name)) && isMacro(envGet(env, name)))) ? aser(expandMacro(envGet(env, name), args, env), env) : (function() {
var f = trampoline(evalExpr(head, env));
var evaledArgs = map(function(a) { return trampoline(evalExpr(a, env)); }, args);
return (isSxTruthy((isSxTruthy(isCallable(f)) && isSxTruthy(!isSxTruthy(isLambda(f))) && isSxTruthy(!isSxTruthy(isComponent(f))) && !isSxTruthy(isIsland(f)))) ? apply(f, evaledArgs) : (isSxTruthy(isLambda(f)) ? trampoline(callLambda(f, evaledArgs, env)) : (isSxTruthy(isComponent(f)) ? aserCall((String("~") + String(componentName(f))), args, env) : (isSxTruthy(isIsland(f)) ? aserCall((String("~") + String(componentName(f))), args, env) : error((String("Not callable: ") + String(inspect(f))))))));
})())))));
})());
})(); };
// aser-fragment
var aserFragment = function(children, env) { return (function() {
var parts = filter(function(x) { return !isSxTruthy(isNil(x)); }, map(function(c) { return aser(c, env); }, children));
return (isSxTruthy(isEmpty(parts)) ? "" : (String("(<> ") + String(join(" ", map(serialize, parts))) + String(")")));
})(); };
// aser-call
var aserCall = function(name, args, env) { return (function() {
var parts = [name];
reduce(function(state, arg) { return (function() {
var skip = get(state, "skip");
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (get(state, "i") + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((get(state, "i") + 1) < len(args)))) ? (function() {
var val = aser(nth(args, (get(state, "i") + 1)), env);
if (isSxTruthy(!isSxTruthy(isNil(val)))) {
parts.push((String(":") + String(keywordName(arg))));
parts.push(serialize(val));
}
return assoc(state, "skip", true, "i", (get(state, "i") + 1));
})() : (function() {
var val = aser(arg, env);
if (isSxTruthy(!isSxTruthy(isNil(val)))) {
parts.push(serialize(val));
}
return assoc(state, "i", (get(state, "i") + 1));
})()));
})(); }, {["i"]: 0, ["skip"]: false}, args);
return (String("(") + String(join(" ", parts)) + String(")"));
})(); };
// SPECIAL_FORM_NAMES
var SPECIAL_FORM_NAMES = ["if", "when", "cond", "case", "and", "or", "let", "let*", "lambda", "fn", "define", "defcomp", "defmacro", "defstyle", "defhandler", "defpage", "defquery", "defaction", "defrelation", "begin", "do", "quote", "quasiquote", "->", "set!", "letrec", "dynamic-wind", "defisland"];
// HO_FORM_NAMES
var HO_FORM_NAMES = ["map", "map-indexed", "filter", "reduce", "some", "every?", "for-each"];
// special-form?
var isSpecialForm = function(name) { return contains(SPECIAL_FORM_NAMES, name); };
// ho-form?
var isHoForm = function(name) { return contains(HO_FORM_NAMES, name); };
// aser-special
var aserSpecial = function(name, expr, env) { return (function() {
var args = rest(expr);
return (isSxTruthy((name == "if")) ? (isSxTruthy(trampoline(evalExpr(first(args), env))) ? aser(nth(args, 1), env) : (isSxTruthy((len(args) > 2)) ? aser(nth(args, 2), env) : NIL)) : (isSxTruthy((name == "when")) ? (isSxTruthy(!isSxTruthy(trampoline(evalExpr(first(args), env)))) ? NIL : (function() {
var result = NIL;
{ var _c = rest(args); for (var _i = 0; _i < _c.length; _i++) { var body = _c[_i]; result = aser(body, env); } }
return result;
})()) : (isSxTruthy((name == "cond")) ? (function() {
var branch = evalCond(args, env);
return (isSxTruthy(branch) ? aser(branch, env) : NIL);
})() : (isSxTruthy((name == "case")) ? (function() {
var matchVal = trampoline(evalExpr(first(args), env));
var clauses = rest(args);
return evalCaseAser(matchVal, clauses, env);
})() : (isSxTruthy(sxOr((name == "let"), (name == "let*"))) ? (function() {
var local = processBindings(first(args), env);
var result = NIL;
{ var _c = rest(args); for (var _i = 0; _i < _c.length; _i++) { var body = _c[_i]; result = aser(body, local); } }
return result;
})() : (isSxTruthy(sxOr((name == "begin"), (name == "do"))) ? (function() {
var result = NIL;
{ var _c = args; for (var _i = 0; _i < _c.length; _i++) { var body = _c[_i]; result = aser(body, env); } }
return result;
})() : (isSxTruthy((name == "and")) ? (function() {
var result = true;
some(function(arg) { result = trampoline(evalExpr(arg, env));
return !isSxTruthy(result); }, args);
return result;
})() : (isSxTruthy((name == "or")) ? (function() {
var result = false;
some(function(arg) { result = trampoline(evalExpr(arg, env));
return result; }, args);
return result;
})() : (isSxTruthy((name == "map")) ? (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return map(function(item) { return (isSxTruthy(isLambda(f)) ? (function() {
var local = envMerge(lambdaClosure(f), env);
local[first(lambdaParams(f))] = item;
return aser(lambdaBody(f), local);
})() : invoke(f, item)); }, coll);
})() : (isSxTruthy((name == "map-indexed")) ? (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
return mapIndexed(function(i, item) { return (isSxTruthy(isLambda(f)) ? (function() {
var local = envMerge(lambdaClosure(f), env);
local[first(lambdaParams(f))] = i;
local[nth(lambdaParams(f), 1)] = item;
return aser(lambdaBody(f), local);
})() : invoke(f, i, item)); }, coll);
})() : (isSxTruthy((name == "for-each")) ? (function() {
var f = trampoline(evalExpr(first(args), env));
var coll = trampoline(evalExpr(nth(args, 1), env));
var results = [];
{ var _c = coll; for (var _i = 0; _i < _c.length; _i++) { var item = _c[_i]; (isSxTruthy(isLambda(f)) ? (function() {
var local = envMerge(lambdaClosure(f), env);
local[first(lambdaParams(f))] = item;
return append_b(results, aser(lambdaBody(f), local));
})() : invoke(f, item)); } }
return (isSxTruthy(isEmpty(results)) ? NIL : results);
})() : (isSxTruthy((name == "defisland")) ? (trampoline(evalExpr(expr, env)), serialize(expr)) : (isSxTruthy(sxOr((name == "define"), (name == "defcomp"), (name == "defmacro"), (name == "defstyle"), (name == "defhandler"), (name == "defpage"), (name == "defquery"), (name == "defaction"), (name == "defrelation"))) ? (trampoline(evalExpr(expr, env)), NIL) : trampoline(evalExpr(expr, env)))))))))))))));
})(); };
// eval-case-aser
var evalCaseAser = function(matchVal, clauses, env) { return (isSxTruthy((len(clauses) < 2)) ? NIL : (function() {
var test = first(clauses);
var body = nth(clauses, 1);
return (isSxTruthy(sxOr((isSxTruthy((typeOf(test) == "keyword")) && (keywordName(test) == "else")), (isSxTruthy((typeOf(test) == "symbol")) && sxOr((symbolName(test) == ":else"), (symbolName(test) == "else"))))) ? aser(body, env) : (isSxTruthy((matchVal == trampoline(evalExpr(test, env)))) ? aser(body, env) : evalCaseAser(matchVal, slice(clauses, 2), env)));
})()); };
// === Transpiled from adapter-dom ===
// SVG_NS
var SVG_NS = "http://www.w3.org/2000/svg";
// MATH_NS
var MATH_NS = "http://www.w3.org/1998/Math/MathML";
// render-to-dom
var renderToDom = function(expr, env, ns) { return (function() { var _m = typeOf(expr); if (_m == "nil") return createFragment(); if (_m == "boolean") return createFragment(); if (_m == "raw-html") return domParseHtml(rawHtmlContent(expr)); if (_m == "string") return createTextNode(expr); if (_m == "number") return createTextNode((String(expr))); if (_m == "symbol") return renderToDom(trampoline(evalExpr(expr, env)), env, ns); if (_m == "keyword") return createTextNode(keywordName(expr)); if (_m == "dom-node") return expr; if (_m == "dict") return createFragment(); if (_m == "list") return (isSxTruthy(isEmpty(expr)) ? createFragment() : renderDomList(expr, env, ns)); return createTextNode((String(expr))); })(); };
// render-dom-list
var renderDomList = function(expr, env, ns) { return (function() {
var head = first(expr);
return (isSxTruthy((typeOf(head) == "symbol")) ? (function() {
var name = symbolName(head);
var args = rest(expr);
return (isSxTruthy((name == "raw!")) ? renderDomRaw(args, env) : (isSxTruthy((name == "<>")) ? renderDomFragment(args, env, ns) : (isSxTruthy(startsWith(name, "html:")) ? renderDomElement(slice(name, 5), args, env, ns) : (isSxTruthy(isRenderDomForm(name)) ? (isSxTruthy((isSxTruthy(contains(HTML_TAGS, name)) && sxOr((isSxTruthy((len(args) > 0)) && (typeOf(first(args)) == "keyword")), ns))) ? renderDomElement(name, args, env, ns) : dispatchRenderForm(name, expr, env, ns)) : (isSxTruthy((isSxTruthy(envHas(env, name)) && isMacro(envGet(env, name)))) ? renderToDom(expandMacro(envGet(env, name), args, env), env, ns) : (isSxTruthy(contains(HTML_TAGS, name)) ? renderDomElement(name, args, env, ns) : (isSxTruthy((isSxTruthy(startsWith(name, "~")) && isSxTruthy(envHas(env, name)) && isIsland(envGet(env, name)))) ? renderDomIsland(envGet(env, name), args, env, ns) : (isSxTruthy(startsWith(name, "~")) ? (function() {
var comp = envGet(env, name);
return (isSxTruthy(isComponent(comp)) ? renderDomComponent(comp, args, env, ns) : renderDomUnknownComponent(name));
})() : (isSxTruthy((isSxTruthy((indexOf_(name, "-") > 0)) && isSxTruthy((len(args) > 0)) && (typeOf(first(args)) == "keyword"))) ? renderDomElement(name, args, env, ns) : (isSxTruthy(ns) ? renderDomElement(name, args, env, ns) : (isSxTruthy((isSxTruthy((name == "deref")) && _islandScope)) ? (function() {
var sigOrVal = trampoline(evalExpr(first(args), env));
return (isSxTruthy(isSignal(sigOrVal)) ? reactiveText(sigOrVal) : createTextNode((String(deref(sigOrVal)))));
})() : renderToDom(trampoline(evalExpr(expr, env)), env, ns))))))))))));
})() : (isSxTruthy(sxOr(isLambda(head), (typeOf(head) == "list"))) ? renderToDom(trampoline(evalExpr(expr, env)), env, ns) : (function() {
var frag = createFragment();
{ var _c = expr; for (var _i = 0; _i < _c.length; _i++) { var x = _c[_i]; domAppend(frag, renderToDom(x, env, ns)); } }
return frag;
})()));
})(); };
// render-dom-element
var renderDomElement = function(tag, args, env, ns) { return (function() {
var newNs = (isSxTruthy((tag == "svg")) ? SVG_NS : (isSxTruthy((tag == "math")) ? MATH_NS : ns));
var el = domCreateElement(tag, newNs);
reduce(function(state, arg) { return (function() {
var skip = get(state, "skip");
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (get(state, "i") + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((get(state, "i") + 1) < len(args)))) ? (function() {
var attrName = keywordName(arg);
var attrExpr = nth(args, (get(state, "i") + 1));
(isSxTruthy(startsWith(attrName, "on-")) ? (function() {
var attrVal = trampoline(evalExpr(attrExpr, env));
return (isSxTruthy(isCallable(attrVal)) ? domListen(el, slice(attrName, 3), attrVal) : NIL);
})() : (isSxTruthy((attrName == "bind")) ? (function() {
var attrVal = trampoline(evalExpr(attrExpr, env));
return (isSxTruthy(isSignal(attrVal)) ? bindInput(el, attrVal) : NIL);
})() : (isSxTruthy((attrName == "ref")) ? (function() {
var attrVal = trampoline(evalExpr(attrExpr, env));
return dictSet(attrVal, "current", el);
})() : (isSxTruthy((attrName == "key")) ? (function() {
var attrVal = trampoline(evalExpr(attrExpr, env));
return domSetAttr(el, "key", (String(attrVal)));
})() : (isSxTruthy(_islandScope) ? reactiveAttr(el, attrName, function() { return trampoline(evalExpr(attrExpr, env)); }) : (function() {
var attrVal = trampoline(evalExpr(attrExpr, env));
return (isSxTruthy(sxOr(isNil(attrVal), (attrVal == false))) ? NIL : (isSxTruthy(contains(BOOLEAN_ATTRS, attrName)) ? (isSxTruthy(attrVal) ? domSetAttr(el, attrName, "") : NIL) : (isSxTruthy((attrVal == true)) ? domSetAttr(el, attrName, "") : domSetAttr(el, attrName, (String(attrVal))))));
})())))));
return assoc(state, "skip", true, "i", (get(state, "i") + 1));
})() : ((isSxTruthy(!isSxTruthy(contains(VOID_ELEMENTS, tag))) ? domAppend(el, renderToDom(arg, env, newNs)) : NIL), assoc(state, "i", (get(state, "i") + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, args);
return el;
})(); };
// render-dom-component
var renderDomComponent = function(comp, args, env, ns) { return (function() {
var kwargs = {};
var children = [];
reduce(function(state, arg) { return (function() {
var skip = get(state, "skip");
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (get(state, "i") + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((get(state, "i") + 1) < len(args)))) ? (function() {
var val = trampoline(evalExpr(nth(args, (get(state, "i") + 1)), env));
kwargs[keywordName(arg)] = val;
return assoc(state, "skip", true, "i", (get(state, "i") + 1));
})() : (append_b(children, arg), assoc(state, "i", (get(state, "i") + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, args);
return (function() {
var local = envMerge(componentClosure(comp), env);
{ var _c = componentParams(comp); for (var _i = 0; _i < _c.length; _i++) { var p = _c[_i]; local[p] = (isSxTruthy(dictHas(kwargs, p)) ? dictGet(kwargs, p) : NIL); } }
if (isSxTruthy(componentHasChildren(comp))) {
(function() {
var childFrag = createFragment();
{ var _c = children; for (var _i = 0; _i < _c.length; _i++) { var c = _c[_i]; domAppend(childFrag, renderToDom(c, env, ns)); } }
return envSet(local, "children", childFrag);
})();
}
return renderToDom(componentBody(comp), local, ns);
})();
})(); };
// render-dom-fragment
var renderDomFragment = function(args, env, ns) { return (function() {
var frag = createFragment();
{ var _c = args; for (var _i = 0; _i < _c.length; _i++) { var x = _c[_i]; domAppend(frag, renderToDom(x, env, ns)); } }
return frag;
})(); };
// render-dom-raw
var renderDomRaw = function(args, env) { return (function() {
var frag = createFragment();
{ var _c = args; for (var _i = 0; _i < _c.length; _i++) { var arg = _c[_i]; (function() {
var val = trampoline(evalExpr(arg, env));
return (isSxTruthy((typeOf(val) == "string")) ? domAppend(frag, domParseHtml(val)) : (isSxTruthy((typeOf(val) == "dom-node")) ? domAppend(frag, domClone(val)) : (isSxTruthy(!isSxTruthy(isNil(val))) ? domAppend(frag, createTextNode((String(val)))) : NIL)));
})(); } }
return frag;
})(); };
// render-dom-unknown-component
var renderDomUnknownComponent = function(name) { return error((String("Unknown component: ") + String(name))); };
// RENDER_DOM_FORMS
var RENDER_DOM_FORMS = ["if", "when", "cond", "case", "let", "let*", "begin", "do", "define", "defcomp", "defisland", "defmacro", "defstyle", "defhandler", "map", "map-indexed", "filter", "for-each", "portal", "error-boundary"];
// render-dom-form?
var isRenderDomForm = function(name) { return contains(RENDER_DOM_FORMS, name); };
// dispatch-render-form
var dispatchRenderForm = function(name, expr, env, ns) { return (isSxTruthy((name == "if")) ? (isSxTruthy(_islandScope) ? (function() {
var marker = createComment("r-if");
var currentNodes = [];
var initialResult = NIL;
effect(function() { return (function() {
var result = (function() {
var condVal = trampoline(evalExpr(nth(expr, 1), env));
return (isSxTruthy(condVal) ? renderToDom(nth(expr, 2), env, ns) : (isSxTruthy((len(expr) > 3)) ? renderToDom(nth(expr, 3), env, ns) : createFragment()));
})();
return (isSxTruthy(domParent(marker)) ? (forEach(function(n) { return domRemove(n); }, currentNodes), (currentNodes = (isSxTruthy(domIsFragment(result)) ? domChildNodes(result) : [result])), domInsertAfter(marker, result)) : (initialResult = result));
})(); });
return (function() {
var frag = createFragment();
domAppend(frag, marker);
if (isSxTruthy(initialResult)) {
currentNodes = (isSxTruthy(domIsFragment(initialResult)) ? domChildNodes(initialResult) : [initialResult]);
domAppend(frag, initialResult);
}
return frag;
})();
})() : (function() {
var condVal = trampoline(evalExpr(nth(expr, 1), env));
return (isSxTruthy(condVal) ? renderToDom(nth(expr, 2), env, ns) : (isSxTruthy((len(expr) > 3)) ? renderToDom(nth(expr, 3), env, ns) : createFragment()));
})()) : (isSxTruthy((name == "when")) ? (isSxTruthy(_islandScope) ? (function() {
var marker = createComment("r-when");
var currentNodes = [];
var initialResult = NIL;
effect(function() { return (isSxTruthy(domParent(marker)) ? (forEach(function(n) { return domRemove(n); }, currentNodes), (currentNodes = []), (isSxTruthy(trampoline(evalExpr(nth(expr, 1), env))) ? (function() {
var frag = createFragment();
{ var _c = range(2, len(expr)); for (var _i = 0; _i < _c.length; _i++) { var i = _c[_i]; domAppend(frag, renderToDom(nth(expr, i), env, ns)); } }
currentNodes = domChildNodes(frag);
return domInsertAfter(marker, frag);
})() : NIL)) : (isSxTruthy(trampoline(evalExpr(nth(expr, 1), env))) ? (function() {
var frag = createFragment();
{ var _c = range(2, len(expr)); for (var _i = 0; _i < _c.length; _i++) { var i = _c[_i]; domAppend(frag, renderToDom(nth(expr, i), env, ns)); } }
currentNodes = domChildNodes(frag);
return (initialResult = frag);
})() : NIL)); });
return (function() {
var frag = createFragment();
domAppend(frag, marker);
if (isSxTruthy(initialResult)) {
domAppend(frag, initialResult);
}
return frag;
})();
})() : (isSxTruthy(!isSxTruthy(trampoline(evalExpr(nth(expr, 1), env)))) ? createFragment() : (function() {
var frag = createFragment();
{ var _c = range(2, len(expr)); for (var _i = 0; _i < _c.length; _i++) { var i = _c[_i]; domAppend(frag, renderToDom(nth(expr, i), env, ns)); } }
return frag;
})())) : (isSxTruthy((name == "cond")) ? (isSxTruthy(_islandScope) ? (function() {
var marker = createComment("r-cond");
var currentNodes = [];
var initialResult = NIL;
effect(function() { return (function() {
var branch = evalCond(rest(expr), env);
return (isSxTruthy(domParent(marker)) ? (forEach(function(n) { return domRemove(n); }, currentNodes), (currentNodes = []), (isSxTruthy(branch) ? (function() {
var result = renderToDom(branch, env, ns);
currentNodes = (isSxTruthy(domIsFragment(result)) ? domChildNodes(result) : [result]);
return domInsertAfter(marker, result);
})() : NIL)) : (isSxTruthy(branch) ? (function() {
var result = renderToDom(branch, env, ns);
currentNodes = (isSxTruthy(domIsFragment(result)) ? domChildNodes(result) : [result]);
return (initialResult = result);
})() : NIL));
})(); });
return (function() {
var frag = createFragment();
domAppend(frag, marker);
if (isSxTruthy(initialResult)) {
domAppend(frag, initialResult);
}
return frag;
})();
})() : (function() {
var branch = evalCond(rest(expr), env);
return (isSxTruthy(branch) ? renderToDom(branch, env, ns) : createFragment());
})()) : (isSxTruthy((name == "case")) ? renderToDom(trampoline(evalExpr(expr, env)), env, ns) : (isSxTruthy(sxOr((name == "let"), (name == "let*"))) ? (function() {
var local = processBindings(nth(expr, 1), env);
var frag = createFragment();
{ var _c = range(2, len(expr)); for (var _i = 0; _i < _c.length; _i++) { var i = _c[_i]; domAppend(frag, renderToDom(nth(expr, i), local, ns)); } }
return frag;
})() : (isSxTruthy(sxOr((name == "begin"), (name == "do"))) ? (function() {
var frag = createFragment();
{ var _c = range(1, len(expr)); for (var _i = 0; _i < _c.length; _i++) { var i = _c[_i]; domAppend(frag, renderToDom(nth(expr, i), env, ns)); } }
return frag;
})() : (isSxTruthy(isDefinitionForm(name)) ? (trampoline(evalExpr(expr, env)), createFragment()) : (isSxTruthy((name == "map")) ? (function() {
var collExpr = nth(expr, 2);
return (isSxTruthy((isSxTruthy(_islandScope) && isSxTruthy((typeOf(collExpr) == "list")) && isSxTruthy((len(collExpr) > 1)) && (first(collExpr) == "deref"))) ? (function() {
var f = trampoline(evalExpr(nth(expr, 1), env));
var sig = trampoline(evalExpr(nth(collExpr, 1), env));
return (isSxTruthy(isSignal(sig)) ? reactiveList(f, sig, env, ns) : (function() {
var coll = deref(sig);
var frag = createFragment();
{ var _c = coll; for (var _i = 0; _i < _c.length; _i++) { var item = _c[_i]; (function() {
var val = (isSxTruthy(isLambda(f)) ? renderLambdaDom(f, [item], env, ns) : renderToDom(apply(f, [item]), env, ns));
return domAppend(frag, val);
})(); } }
return frag;
})());
})() : (function() {
var f = trampoline(evalExpr(nth(expr, 1), env));
var coll = trampoline(evalExpr(nth(expr, 2), env));
var frag = createFragment();
{ var _c = coll; for (var _i = 0; _i < _c.length; _i++) { var item = _c[_i]; (function() {
var val = (isSxTruthy(isLambda(f)) ? renderLambdaDom(f, [item], env, ns) : renderToDom(apply(f, [item]), env, ns));
return domAppend(frag, val);
})(); } }
return frag;
})());
})() : (isSxTruthy((name == "map-indexed")) ? (function() {
var f = trampoline(evalExpr(nth(expr, 1), env));
var coll = trampoline(evalExpr(nth(expr, 2), env));
var frag = createFragment();
forEachIndexed(function(i, item) { return (function() {
var val = (isSxTruthy(isLambda(f)) ? renderLambdaDom(f, [i, item], env, ns) : renderToDom(apply(f, [i, item]), env, ns));
return domAppend(frag, val);
})(); }, coll);
return frag;
})() : (isSxTruthy((name == "filter")) ? renderToDom(trampoline(evalExpr(expr, env)), env, ns) : (isSxTruthy((name == "portal")) ? renderDomPortal(rest(expr), env, ns) : (isSxTruthy((name == "error-boundary")) ? renderDomErrorBoundary(rest(expr), env, ns) : (isSxTruthy((name == "for-each")) ? (function() {
var f = trampoline(evalExpr(nth(expr, 1), env));
var coll = trampoline(evalExpr(nth(expr, 2), env));
var frag = createFragment();
{ var _c = coll; for (var _i = 0; _i < _c.length; _i++) { var item = _c[_i]; (function() {
var val = (isSxTruthy(isLambda(f)) ? renderLambdaDom(f, [item], env, ns) : renderToDom(apply(f, [item]), env, ns));
return domAppend(frag, val);
})(); } }
return frag;
})() : renderToDom(trampoline(evalExpr(expr, env)), env, ns)))))))))))))); };
// render-lambda-dom
var renderLambdaDom = function(f, args, env, ns) { return (function() {
var local = envMerge(lambdaClosure(f), env);
forEachIndexed(function(i, p) { return envSet(local, p, nth(args, i)); }, lambdaParams(f));
return renderToDom(lambdaBody(f), local, ns);
})(); };
// render-dom-island
var renderDomIsland = function(island, args, env, ns) { return (function() {
var kwargs = {};
var children = [];
reduce(function(state, arg) { return (function() {
var skip = get(state, "skip");
return (isSxTruthy(skip) ? assoc(state, "skip", false, "i", (get(state, "i") + 1)) : (isSxTruthy((isSxTruthy((typeOf(arg) == "keyword")) && ((get(state, "i") + 1) < len(args)))) ? (function() {
var val = trampoline(evalExpr(nth(args, (get(state, "i") + 1)), env));
kwargs[keywordName(arg)] = val;
return assoc(state, "skip", true, "i", (get(state, "i") + 1));
})() : (append_b(children, arg), assoc(state, "i", (get(state, "i") + 1)))));
})(); }, {["i"]: 0, ["skip"]: false}, args);
return (function() {
var local = envMerge(componentClosure(island), env);
var islandName = componentName(island);
{ var _c = componentParams(island); for (var _i = 0; _i < _c.length; _i++) { var p = _c[_i]; local[p] = (isSxTruthy(dictHas(kwargs, p)) ? dictGet(kwargs, p) : NIL); } }
if (isSxTruthy(componentHasChildren(island))) {
(function() {
var childFrag = createFragment();
{ var _c = children; for (var _i = 0; _i < _c.length; _i++) { var c = _c[_i]; domAppend(childFrag, renderToDom(c, env, ns)); } }
return envSet(local, "children", childFrag);
})();
}
return (function() {
var container = domCreateElement("div", NIL);
var disposers = [];
domSetAttr(container, "data-sx-island", islandName);
return (function() {
var bodyDom = withIslandScope(function(disposable) { return append_b(disposers, disposable); }, function() { return renderToDom(componentBody(island), local, ns); });
domAppend(container, bodyDom);
domSetData(container, "sx-disposers", disposers);
return container;
})();
})();
})();
})(); };
// reactive-text
var reactiveText = function(sig) { return (function() {
var node = createTextNode((String(deref(sig))));
effect(function() { return domSetTextContent(node, (String(deref(sig)))); });
return node;
})(); };
// reactive-attr
var reactiveAttr = function(el, attrName, computeFn) { return effect(function() { return (function() {
var val = computeFn();
return (isSxTruthy(sxOr(isNil(val), (val == false))) ? domRemoveAttr(el, attrName) : (isSxTruthy((val == true)) ? domSetAttr(el, attrName, "") : domSetAttr(el, attrName, (String(val)))));
})(); }); };
// reactive-fragment
var reactiveFragment = function(testFn, renderFn, env, ns) { return (function() {
var marker = createComment("island-fragment");
var currentNodes = [];
effect(function() { { var _c = currentNodes; for (var _i = 0; _i < _c.length; _i++) { var n = _c[_i]; domRemove(n); } }
currentNodes = [];
return (isSxTruthy(testFn()) ? (function() {
var frag = renderFn();
currentNodes = domChildNodes(frag);
return domInsertAfter(marker, frag);
})() : NIL); });
return marker;
})(); };
// render-list-item
var renderListItem = function(mapFn, item, env, ns) { return (isSxTruthy(isLambda(mapFn)) ? renderLambdaDom(mapFn, [item], env, ns) : renderToDom(apply(mapFn, [item]), env, ns)); };
// extract-key
var extractKey = function(node, index) { return (function() {
var k = domGetAttr(node, "key");
return (isSxTruthy(k) ? (domRemoveAttr(node, "key"), k) : (function() {
var dk = domGetData(node, "key");
return (isSxTruthy(dk) ? (String(dk)) : (String("__idx_") + String(index)));
})());
})(); };
// reactive-list
var reactiveList = function(mapFn, itemsSig, env, ns) { return (function() {
var container = createFragment();
var marker = createComment("island-list");
var keyMap = {};
var keyOrder = [];
domAppend(container, marker);
effect(function() { return (function() {
var items = deref(itemsSig);
return (isSxTruthy(domParent(marker)) ? (function() {
var newMap = {};
var newKeys = [];
var hasKeys = false;
forEachIndexed(function(idx, item) { return (function() {
var rendered = renderListItem(mapFn, item, env, ns);
var key = extractKey(rendered, idx);
if (isSxTruthy((isSxTruthy(!isSxTruthy(hasKeys)) && !isSxTruthy(startsWith(key, "__idx_"))))) {
hasKeys = true;
}
(isSxTruthy(dictHas(keyMap, key)) ? dictSet(newMap, key, dictGet(keyMap, key)) : dictSet(newMap, key, rendered));
return append_b(newKeys, key);
})(); }, items);
(isSxTruthy(!isSxTruthy(hasKeys)) ? (domRemoveChildrenAfter(marker), (function() {
var frag = createFragment();
{ var _c = newKeys; for (var _i = 0; _i < _c.length; _i++) { var k = _c[_i]; domAppend(frag, dictGet(newMap, k)); } }
return domInsertAfter(marker, frag);
})()) : (forEach(function(oldKey) { return (isSxTruthy(!isSxTruthy(dictHas(newMap, oldKey))) ? domRemove(dictGet(keyMap, oldKey)) : NIL); }, keyOrder), (function() {
var cursor = marker;
return forEach(function(k) { return (function() {
var node = dictGet(newMap, k);
var next = domNextSibling(cursor);
if (isSxTruthy(!isSxTruthy(isIdentical(node, next)))) {
domInsertAfter(cursor, node);
}
return (cursor = node);
})(); }, newKeys);
})()));
keyMap = newMap;
return (keyOrder = newKeys);
})() : forEachIndexed(function(idx, item) { return (function() {
var rendered = renderListItem(mapFn, item, env, ns);
var key = extractKey(rendered, idx);
keyMap[key] = rendered;
keyOrder.push(key);
return domAppend(container, rendered);
})(); }, items));
})(); });
return container;
})(); };
// bind-input
var bindInput = function(el, sig) { return (function() {
var inputType = lower(sxOr(domGetAttr(el, "type"), ""));
var isCheckbox = sxOr((inputType == "checkbox"), (inputType == "radio"));
(isSxTruthy(isCheckbox) ? domSetProp(el, "checked", deref(sig)) : domSetProp(el, "value", (String(deref(sig)))));
effect(function() { return (isSxTruthy(isCheckbox) ? domSetProp(el, "checked", deref(sig)) : (function() {
var v = (String(deref(sig)));
return (isSxTruthy((domGetProp(el, "value") != v)) ? domSetProp(el, "value", v) : NIL);
})()); });
return domListen(el, (isSxTruthy(isCheckbox) ? "change" : "input"), function(e) { return (isSxTruthy(isCheckbox) ? reset_b(sig, domGetProp(el, "checked")) : reset_b(sig, domGetProp(el, "value"))); });
})(); };
// render-dom-portal
var renderDomPortal = function(args, env, ns) { return (function() {
var selector = trampoline(evalExpr(first(args), env));
var target = sxOr(domQuery(selector), domEnsureElement(selector));
return (isSxTruthy(!isSxTruthy(target)) ? createComment((String("portal: ") + String(selector) + String(" (not found)"))) : (function() {
var marker = createComment((String("portal: ") + String(selector)));
var frag = createFragment();
{ var _c = rest(args); for (var _i = 0; _i < _c.length; _i++) { var child = _c[_i]; domAppend(frag, renderToDom(child, env, ns)); } }
(function() {
var portalNodes = domChildNodes(frag);
domAppend(target, frag);
return registerInScope(function() { return forEach(function(n) { return domRemove(n); }, portalNodes); });
})();
return marker;
})());
})(); };
// render-dom-error-boundary
var renderDomErrorBoundary = function(args, env, ns) { return (function() {
var fallbackExpr = first(args);
var bodyExprs = rest(args);
var container = domCreateElement("div", NIL);
var retryVersion = signal(0);
domSetAttr(container, "data-sx-boundary", "true");
effect(function() { deref(retryVersion);
domSetProp(container, "innerHTML", "");
return (function() {
var savedScope = _islandScope;
_islandScope = NIL;
return tryCatch(function() { (function() {
var frag = createFragment();
{ var _c = bodyExprs; for (var _i = 0; _i < _c.length; _i++) { var child = _c[_i]; domAppend(frag, renderToDom(child, env, ns)); } }
return domAppend(container, frag);
})();
return (_islandScope = savedScope); }, function(err) { _islandScope = savedScope;
return (function() {
var fallbackFn = trampoline(evalExpr(fallbackExpr, env));
var retryFn = function() { return swap_b(retryVersion, function(n) { return (n + 1); }); };
return (function() {
var fallbackDom = (isSxTruthy(isLambda(fallbackFn)) ? renderLambdaDom(fallbackFn, [err, retryFn], env, ns) : renderToDom(apply(fallbackFn, [err, retryFn]), env, ns));
return domAppend(container, fallbackDom);
})();
})(); });
})(); });
return container;
})(); };
// === Transpiled from engine ===
// ENGINE_VERBS
var ENGINE_VERBS = ["get", "post", "put", "delete", "patch"];
// DEFAULT_SWAP
var DEFAULT_SWAP = "outerHTML";
// parse-time
var parseTime = function(s) { return (isSxTruthy(isNil(s)) ? 0 : (isSxTruthy(endsWith(s, "ms")) ? parseInt_(s, 0) : (isSxTruthy(endsWith(s, "s")) ? (parseInt_(replace_(s, "s", ""), 0) * 1000) : parseInt_(s, 0)))); };
// parse-trigger-spec
var parseTriggerSpec = function(spec) { return (isSxTruthy(isNil(spec)) ? NIL : (function() {
var rawParts = split(spec, ",");
return filter(function(x) { return !isSxTruthy(isNil(x)); }, map(function(part) { return (function() {
var tokens = split(trim(part), " ");
return (isSxTruthy(isEmpty(tokens)) ? NIL : (isSxTruthy((isSxTruthy((first(tokens) == "every")) && (len(tokens) >= 2))) ? {["event"]: "every", ["modifiers"]: {["interval"]: parseTime(nth(tokens, 1))}} : (function() {
var mods = {};
{ var _c = rest(tokens); for (var _i = 0; _i < _c.length; _i++) { var tok = _c[_i]; (isSxTruthy((tok == "once")) ? dictSet(mods, "once", true) : (isSxTruthy((tok == "changed")) ? dictSet(mods, "changed", true) : (isSxTruthy(startsWith(tok, "delay:")) ? dictSet(mods, "delay", parseTime(slice(tok, 6))) : (isSxTruthy(startsWith(tok, "from:")) ? dictSet(mods, "from", slice(tok, 5)) : NIL)))); } }
return {["event"]: first(tokens), ["modifiers"]: mods};
})()));
})(); }, rawParts));
})()); };
// default-trigger
var defaultTrigger = function(tagName) { return (isSxTruthy((tagName == "FORM")) ? [{["event"]: "submit", ["modifiers"]: {}}] : (isSxTruthy(sxOr((tagName == "INPUT"), (tagName == "SELECT"), (tagName == "TEXTAREA"))) ? [{["event"]: "change", ["modifiers"]: {}}] : [{["event"]: "click", ["modifiers"]: {}}])); };
// get-verb-info
var getVerbInfo = function(el) { return some(function(verb) { return (function() {
var url = domGetAttr(el, (String("sx-") + String(verb)));
return (isSxTruthy(url) ? {["method"]: upper(verb), ["url"]: url} : NIL);
})(); }, ENGINE_VERBS); };
// build-request-headers
var buildRequestHeaders = function(el, loadedComponents, cssHash) { return (function() {
var headers = {["SX-Request"]: "true", ["SX-Current-URL"]: browserLocationHref()};
(function() {
var targetSel = domGetAttr(el, "sx-target");
return (isSxTruthy(targetSel) ? dictSet(headers, "SX-Target", targetSel) : NIL);
})();
if (isSxTruthy(!isSxTruthy(isEmpty(loadedComponents)))) {
headers["SX-Components"] = join(",", loadedComponents);
}
if (isSxTruthy(cssHash)) {
headers["SX-Css"] = cssHash;
}
(function() {
var extraH = domGetAttr(el, "sx-headers");
return (isSxTruthy(extraH) ? (function() {
var parsed = parseHeaderValue(extraH);
return (isSxTruthy(parsed) ? forEach(function(key) { return dictSet(headers, key, (String(get(parsed, key)))); }, keys(parsed)) : NIL);
})() : NIL);
})();
return headers;
})(); };
// process-response-headers
var processResponseHeaders = function(getHeader) { return {["redirect"]: getHeader("SX-Redirect"), ["refresh"]: getHeader("SX-Refresh"), ["trigger"]: getHeader("SX-Trigger"), ["retarget"]: getHeader("SX-Retarget"), ["reswap"]: getHeader("SX-Reswap"), ["location"]: getHeader("SX-Location"), ["replace-url"]: getHeader("SX-Replace-Url"), ["css-hash"]: getHeader("SX-Css-Hash"), ["trigger-swap"]: getHeader("SX-Trigger-After-Swap"), ["trigger-settle"]: getHeader("SX-Trigger-After-Settle"), ["content-type"]: getHeader("Content-Type"), ["cache-invalidate"]: getHeader("SX-Cache-Invalidate"), ["cache-update"]: getHeader("SX-Cache-Update")}; };
// parse-swap-spec
var parseSwapSpec = function(rawSwap, globalTransitions_p) { return (function() {
var parts = split(sxOr(rawSwap, DEFAULT_SWAP), " ");
var style = first(parts);
var useTransition = globalTransitions_p;
{ var _c = rest(parts); for (var _i = 0; _i < _c.length; _i++) { var p = _c[_i]; (isSxTruthy((p == "transition:true")) ? (useTransition = true) : (isSxTruthy((p == "transition:false")) ? (useTransition = false) : NIL)); } }
return {["style"]: style, ["transition"]: useTransition};
})(); };
// parse-retry-spec
var parseRetrySpec = function(retryAttr) { return (isSxTruthy(isNil(retryAttr)) ? NIL : (function() {
var parts = split(retryAttr, ":");
return {["strategy"]: first(parts), ["start-ms"]: parseInt_(nth(parts, 1), 1000), ["cap-ms"]: parseInt_(nth(parts, 2), 30000)};
})()); };
// next-retry-ms
var nextRetryMs = function(currentMs, capMs) { return min((currentMs * 2), capMs); };
// filter-params
var filterParams = function(paramsSpec, allParams) { return (isSxTruthy(isNil(paramsSpec)) ? allParams : (isSxTruthy((paramsSpec == "none")) ? [] : (isSxTruthy((paramsSpec == "*")) ? allParams : (isSxTruthy(startsWith(paramsSpec, "not ")) ? (function() {
var excluded = map(trim, split(slice(paramsSpec, 4), ","));
return filter(function(p) { return !isSxTruthy(contains(excluded, first(p))); }, allParams);
})() : (function() {
var allowed = map(trim, split(paramsSpec, ","));
return filter(function(p) { return contains(allowed, first(p)); }, allParams);
})())))); };
// resolve-target
var resolveTarget = function(el) { return (function() {
var sel = domGetAttr(el, "sx-target");
return (isSxTruthy(sxOr(isNil(sel), (sel == "this"))) ? el : (isSxTruthy((sel == "closest")) ? domParent(el) : domQuery(sel)));
})(); };
// apply-optimistic
var applyOptimistic = function(el) { return (function() {
var directive = domGetAttr(el, "sx-optimistic");
return (isSxTruthy(isNil(directive)) ? NIL : (function() {
var target = sxOr(resolveTarget(el), el);
var state = {["target"]: target, ["directive"]: directive};
(isSxTruthy((directive == "remove")) ? (dictSet(state, "opacity", domGetStyle(target, "opacity")), domSetStyle(target, "opacity", "0"), domSetStyle(target, "pointer-events", "none")) : (isSxTruthy((directive == "disable")) ? (dictSet(state, "disabled", domGetProp(target, "disabled")), domSetProp(target, "disabled", true)) : (isSxTruthy(startsWith(directive, "add-class:")) ? (function() {
var cls = slice(directive, 10);
state["add-class"] = cls;
return domAddClass(target, cls);
})() : NIL)));
return state;
})());
})(); };
// revert-optimistic
var revertOptimistic = function(state) { return (isSxTruthy(state) ? (function() {
var target = get(state, "target");
var directive = get(state, "directive");
return (isSxTruthy((directive == "remove")) ? (domSetStyle(target, "opacity", sxOr(get(state, "opacity"), "")), domSetStyle(target, "pointer-events", "")) : (isSxTruthy((directive == "disable")) ? domSetProp(target, "disabled", sxOr(get(state, "disabled"), false)) : (isSxTruthy(get(state, "add-class")) ? domRemoveClass(target, get(state, "add-class")) : NIL)));
})() : NIL); };
// find-oob-swaps
var findOobSwaps = function(container) { return (function() {
var results = [];
{ var _c = ["sx-swap-oob", "hx-swap-oob"]; for (var _i = 0; _i < _c.length; _i++) { var attr = _c[_i]; (function() {
var oobEls = domQueryAll(container, (String("[") + String(attr) + String("]")));
return forEach(function(oob) { return (function() {
var swapType = sxOr(domGetAttr(oob, attr), "outerHTML");
var targetId = domId(oob);
domRemoveAttr(oob, attr);
return (isSxTruthy(targetId) ? append_b(results, {["element"]: oob, ["swap-type"]: swapType, ["target-id"]: targetId}) : NIL);
})(); }, oobEls);
})(); } }
return results;
})(); };
// morph-node
var morphNode = function(oldNode, newNode) { return (isSxTruthy(sxOr(domHasAttr(oldNode, "sx-preserve"), domHasAttr(oldNode, "sx-ignore"))) ? NIL : (isSxTruthy(sxOr(!isSxTruthy((domNodeType(oldNode) == domNodeType(newNode))), !isSxTruthy((domNodeName(oldNode) == domNodeName(newNode))))) ? domReplaceChild(domParent(oldNode), domClone(newNode), oldNode) : (isSxTruthy(sxOr((domNodeType(oldNode) == 3), (domNodeType(oldNode) == 8))) ? (isSxTruthy(!isSxTruthy((domTextContent(oldNode) == domTextContent(newNode)))) ? domSetTextContent(oldNode, domTextContent(newNode)) : NIL) : (isSxTruthy((domNodeType(oldNode) == 1)) ? (syncAttrs(oldNode, newNode), (isSxTruthy(!isSxTruthy((isSxTruthy(domIsActiveElement(oldNode)) && domIsInputElement(oldNode)))) ? morphChildren(oldNode, newNode) : NIL)) : NIL)))); };
// sync-attrs
var syncAttrs = function(oldEl, newEl) { { var _c = domAttrList(newEl); for (var _i = 0; _i < _c.length; _i++) { var attr = _c[_i]; (function() {
var name = first(attr);
var val = nth(attr, 1);
return (isSxTruthy(!isSxTruthy((domGetAttr(oldEl, name) == val))) ? domSetAttr(oldEl, name, val) : NIL);
})(); } }
return forEach(function(attr) { return (isSxTruthy(!isSxTruthy(domHasAttr(newEl, first(attr)))) ? domRemoveAttr(oldEl, first(attr)) : NIL); }, domAttrList(oldEl)); };
// morph-children
var morphChildren = function(oldParent, newParent) { return (function() {
var oldKids = domChildList(oldParent);
var newKids = domChildList(newParent);
var oldById = reduce(function(acc, kid) { return (function() {
var id = domId(kid);
return (isSxTruthy(id) ? (dictSet(acc, id, kid), acc) : acc);
})(); }, {}, oldKids);
var oi = 0;
{ var _c = newKids; for (var _i = 0; _i < _c.length; _i++) { var newChild = _c[_i]; (function() {
var matchId = domId(newChild);
var matchById = (isSxTruthy(matchId) ? dictGet(oldById, matchId) : NIL);
return (isSxTruthy((isSxTruthy(matchById) && !isSxTruthy(isNil(matchById)))) ? ((isSxTruthy((isSxTruthy((oi < len(oldKids))) && !isSxTruthy((matchById == nth(oldKids, oi))))) ? domInsertBefore(oldParent, matchById, (isSxTruthy((oi < len(oldKids))) ? nth(oldKids, oi) : NIL)) : NIL), morphNode(matchById, newChild), (oi = (oi + 1))) : (isSxTruthy((oi < len(oldKids))) ? (function() {
var oldChild = nth(oldKids, oi);
return (isSxTruthy((isSxTruthy(domId(oldChild)) && !isSxTruthy(matchId))) ? domInsertBefore(oldParent, domClone(newChild), oldChild) : (morphNode(oldChild, newChild), (oi = (oi + 1))));
})() : domAppend(oldParent, domClone(newChild))));
})(); } }
return forEach(function(i) { return (isSxTruthy((i >= oi)) ? (function() {
var leftover = nth(oldKids, i);
return (isSxTruthy((isSxTruthy(domIsChildOf(leftover, oldParent)) && isSxTruthy(!isSxTruthy(domHasAttr(leftover, "sx-preserve"))) && !isSxTruthy(domHasAttr(leftover, "sx-ignore")))) ? domRemoveChild(oldParent, leftover) : NIL);
})() : NIL); }, range(oi, len(oldKids)));
})(); };
// swap-dom-nodes
var swapDomNodes = function(target, newNodes, strategy) { return (function() { var _m = strategy; if (_m == "innerHTML") return (isSxTruthy(domIsFragment(newNodes)) ? morphChildren(target, newNodes) : (function() {
var wrapper = domCreateElement("div", NIL);
domAppend(wrapper, newNodes);
return morphChildren(target, wrapper);
})()); if (_m == "outerHTML") return (function() {
var parent = domParent(target);
(isSxTruthy(domIsFragment(newNodes)) ? (function() {
var fc = domFirstChild(newNodes);
return (isSxTruthy(fc) ? (morphNode(target, fc), (function() {
var sib = domNextSibling(fc);
return insertRemainingSiblings(parent, target, sib);
})()) : domRemoveChild(parent, target));
})() : morphNode(target, newNodes));
return parent;
})(); if (_m == "afterend") return domInsertAfter(target, newNodes); if (_m == "beforeend") return domAppend(target, newNodes); if (_m == "afterbegin") return domPrepend(target, newNodes); if (_m == "beforebegin") return domInsertBefore(domParent(target), newNodes, target); if (_m == "delete") return domRemoveChild(domParent(target), target); if (_m == "none") return NIL; return (isSxTruthy(domIsFragment(newNodes)) ? morphChildren(target, newNodes) : (function() {
var wrapper = domCreateElement("div", NIL);
domAppend(wrapper, newNodes);
return morphChildren(target, wrapper);
})()); })(); };
// insert-remaining-siblings
var insertRemainingSiblings = function(parent, refNode, sib) { return (isSxTruthy(sib) ? (function() {
var next = domNextSibling(sib);
domInsertAfter(refNode, sib);
return insertRemainingSiblings(parent, sib, next);
})() : NIL); };
// swap-html-string
var swapHtmlString = function(target, html, strategy) { return (function() { var _m = strategy; if (_m == "innerHTML") return domSetInnerHtml(target, html); if (_m == "outerHTML") return (function() {
var parent = domParent(target);
domInsertAdjacentHtml(target, "afterend", html);
domRemoveChild(parent, target);
return parent;
})(); if (_m == "afterend") return domInsertAdjacentHtml(target, "afterend", html); if (_m == "beforeend") return domInsertAdjacentHtml(target, "beforeend", html); if (_m == "afterbegin") return domInsertAdjacentHtml(target, "afterbegin", html); if (_m == "beforebegin") return domInsertAdjacentHtml(target, "beforebegin", html); if (_m == "delete") return domRemoveChild(domParent(target), target); if (_m == "none") return NIL; return domSetInnerHtml(target, html); })(); };
// handle-history
var handleHistory = function(el, url, respHeaders) { return (function() {
var pushUrl = domGetAttr(el, "sx-push-url");
var replaceUrl = domGetAttr(el, "sx-replace-url");
var hdrReplace = get(respHeaders, "replace-url");
return (isSxTruthy(hdrReplace) ? browserReplaceState(hdrReplace) : (isSxTruthy((isSxTruthy(pushUrl) && !isSxTruthy((pushUrl == "false")))) ? browserPushState((isSxTruthy((pushUrl == "true")) ? url : pushUrl)) : (isSxTruthy((isSxTruthy(replaceUrl) && !isSxTruthy((replaceUrl == "false")))) ? browserReplaceState((isSxTruthy((replaceUrl == "true")) ? url : replaceUrl)) : NIL)));
})(); };
// PRELOAD_TTL
var PRELOAD_TTL = 30000;
// preload-cache-get
var preloadCacheGet = function(cache, url) { return (function() {
var entry = dictGet(cache, url);
return (isSxTruthy(isNil(entry)) ? NIL : (isSxTruthy(((nowMs() - get(entry, "timestamp")) > PRELOAD_TTL)) ? (dictDelete(cache, url), NIL) : (dictDelete(cache, url), entry)));
})(); };
// preload-cache-set
var preloadCacheSet = function(cache, url, text, contentType) { return dictSet(cache, url, {["text"]: text, ["content-type"]: contentType, ["timestamp"]: nowMs()}); };
// classify-trigger
var classifyTrigger = function(trigger) { return (function() {
var event = get(trigger, "event");
return (isSxTruthy((event == "every")) ? "poll" : (isSxTruthy((event == "intersect")) ? "intersect" : (isSxTruthy((event == "load")) ? "load" : (isSxTruthy((event == "revealed")) ? "revealed" : "event"))));
})(); };
// should-boost-link?
var shouldBoostLink = function(link) { return (function() {
var href = domGetAttr(link, "href");
return (isSxTruthy(href) && isSxTruthy(!isSxTruthy(startsWith(href, "#"))) && isSxTruthy(!isSxTruthy(startsWith(href, "javascript:"))) && isSxTruthy(!isSxTruthy(startsWith(href, "mailto:"))) && isSxTruthy(browserSameOrigin(href)) && isSxTruthy(!isSxTruthy(domHasAttr(link, "sx-get"))) && isSxTruthy(!isSxTruthy(domHasAttr(link, "sx-post"))) && !isSxTruthy(domHasAttr(link, "sx-disable")));
})(); };
// should-boost-form?
var shouldBoostForm = function(form) { return (isSxTruthy(!isSxTruthy(domHasAttr(form, "sx-get"))) && isSxTruthy(!isSxTruthy(domHasAttr(form, "sx-post"))) && !isSxTruthy(domHasAttr(form, "sx-disable"))); };
// parse-sse-swap
var parseSseSwap = function(el) { return sxOr(domGetAttr(el, "sx-sse-swap"), "message"); };
// === Transpiled from orchestration ===
// _preload-cache
var _preloadCache = {};
// _css-hash
var _cssHash = NIL;
// dispatch-trigger-events
var dispatchTriggerEvents = function(el, headerVal) { return (isSxTruthy(headerVal) ? (function() {
var parsed = tryParseJson(headerVal);
return (isSxTruthy(parsed) ? forEach(function(key) { return domDispatch(el, key, get(parsed, key)); }, keys(parsed)) : forEach(function(name) { return (function() {
var trimmed = trim(name);
return (isSxTruthy(!isSxTruthy(isEmpty(trimmed))) ? domDispatch(el, trimmed, {}) : NIL);
})(); }, split(headerVal, ",")));
})() : NIL); };
// init-css-tracking
var initCssTracking = function() { return (function() {
var meta = domQuery("meta[name=\"sx-css-classes\"]");
return (isSxTruthy(meta) ? (function() {
var content = domGetAttr(meta, "content");
return (isSxTruthy(content) ? (_cssHash = content) : NIL);
})() : NIL);
})(); };
// execute-request
var executeRequest = function(el, verbInfo, extraParams) { return (function() {
var info = sxOr(getVerbInfo(el), verbInfo);
return (isSxTruthy(isNil(info)) ? promiseResolve(NIL) : (function() {
var verb = get(info, "method");
var url = get(info, "url");
return (isSxTruthy((function() {
var media = domGetAttr(el, "sx-media");
return (isSxTruthy(media) && !isSxTruthy(browserMediaMatches(media)));
})()) ? promiseResolve(NIL) : (isSxTruthy((function() {
var confirmMsg = domGetAttr(el, "sx-confirm");
return (isSxTruthy(confirmMsg) && !isSxTruthy(browserConfirm(confirmMsg)));
})()) ? promiseResolve(NIL) : (function() {
var promptMsg = domGetAttr(el, "sx-prompt");
var promptVal = (isSxTruthy(promptMsg) ? browserPrompt(promptMsg) : NIL);
return (isSxTruthy((isSxTruthy(promptMsg) && isNil(promptVal))) ? promiseResolve(NIL) : (isSxTruthy(!isSxTruthy(validateForRequest(el))) ? promiseResolve(NIL) : doFetch(el, verb, verb, url, (isSxTruthy(promptVal) ? assoc(sxOr(extraParams, {}), "SX-Prompt", promptVal) : extraParams))));
})()));
})());
})(); };
// do-fetch
var doFetch = function(el, verb, method, url, extraParams) { return (function() {
var sync = domGetAttr(el, "sx-sync");
if (isSxTruthy((sync == "replace"))) {
abortPrevious(el);
}
return (function() {
var ctrl = newAbortController();
trackController(el, ctrl);
return (function() {
var bodyInfo = buildRequestBody(el, method, url);
var finalUrl = get(bodyInfo, "url");
var body = get(bodyInfo, "body");
var ct = get(bodyInfo, "content-type");
var headers = buildRequestHeaders(el, loadedComponentNames(), _cssHash);
var csrf = csrfToken();
if (isSxTruthy(extraParams)) {
{ var _c = keys(extraParams); for (var _i = 0; _i < _c.length; _i++) { var k = _c[_i]; headers[k] = get(extraParams, k); } }
}
if (isSxTruthy(ct)) {
headers["Content-Type"] = ct;
}
if (isSxTruthy(csrf)) {
headers["X-CSRFToken"] = csrf;
}
return (function() {
var cached = preloadCacheGet(_preloadCache, finalUrl);
var optimisticState = applyOptimistic(el);
var indicator = showIndicator(el);
var disabledElts = disableElements(el);
domAddClass(el, "sx-request");
domSetAttr(el, "aria-busy", "true");
domDispatch(el, "sx:beforeRequest", {["url"]: finalUrl, ["method"]: method});
return fetchRequest({["url"]: finalUrl, ["method"]: method, ["headers"]: headers, ["body"]: body, ["signal"]: controllerSignal(ctrl), ["cross-origin"]: isCrossOrigin(finalUrl), ["preloaded"]: cached}, function(respOk, status, getHeader, text) { return (clearLoadingState(el, indicator, disabledElts), revertOptimistic(optimisticState), (isSxTruthy(!isSxTruthy(respOk)) ? (domDispatch(el, "sx:responseError", {["status"]: status, ["text"]: text}), handleRetry(el, verb, method, finalUrl, extraParams)) : (domDispatch(el, "sx:afterRequest", {["status"]: status}), handleFetchSuccess(el, finalUrl, verb, extraParams, getHeader, text)))); }, function(err) { return (clearLoadingState(el, indicator, disabledElts), revertOptimistic(optimisticState), (isSxTruthy(!isSxTruthy(isAbortError(err))) ? domDispatch(el, "sx:requestError", {["error"]: err}) : NIL)); });
})();
})();
})();
})(); };
// handle-fetch-success
var handleFetchSuccess = function(el, url, verb, extraParams, getHeader, text) { return (function() {
var respHeaders = processResponseHeaders(getHeader);
(function() {
var newHash = get(respHeaders, "css-hash");
return (isSxTruthy(newHash) ? (_cssHash = newHash) : NIL);
})();
dispatchTriggerEvents(el, get(respHeaders, "trigger"));
processCacheDirectives(el, respHeaders, text);
return (isSxTruthy(get(respHeaders, "redirect")) ? browserNavigate(get(respHeaders, "redirect")) : (isSxTruthy(get(respHeaders, "refresh")) ? browserReload() : (isSxTruthy(get(respHeaders, "location")) ? fetchLocation(get(respHeaders, "location")) : (function() {
var targetEl = (isSxTruthy(get(respHeaders, "retarget")) ? domQuery(get(respHeaders, "retarget")) : resolveTarget(el));
var swapSpec = parseSwapSpec(sxOr(get(respHeaders, "reswap"), domGetAttr(el, "sx-swap")), domHasClass(domBody(), "sx-transitions"));
var swapStyle = get(swapSpec, "style");
var useTransition = get(swapSpec, "transition");
var ct = sxOr(get(respHeaders, "content-type"), "");
(isSxTruthy(contains(ct, "text/sx")) ? handleSxResponse(el, targetEl, text, swapStyle, useTransition) : handleHtmlResponse(el, targetEl, text, swapStyle, useTransition));
dispatchTriggerEvents(el, get(respHeaders, "trigger-swap"));
handleHistory(el, url, respHeaders);
if (isSxTruthy(get(respHeaders, "trigger-settle"))) {
setTimeout_(function() { return dispatchTriggerEvents(el, get(respHeaders, "trigger-settle")); }, 20);
}
return domDispatch(el, "sx:afterSwap", {["target"]: targetEl, ["swap"]: swapStyle});
})())));
})(); };
// handle-sx-response
var handleSxResponse = function(el, target, text, swapStyle, useTransition) { return (function() {
var cleaned = stripComponentScripts(text);
return (function() {
var final_ = extractResponseCss(cleaned);
return (function() {
var trimmed = trim(final_);
return (isSxTruthy(!isSxTruthy(isEmpty(trimmed))) ? (function() {
var rendered = sxRender(trimmed);
var container = domCreateElement("div", NIL);
domAppend(container, rendered);
processOobSwaps(container, function(t, oob, s) { disposeIslandsIn(t);
swapDomNodes(t, oob, s);
sxHydrate(t);
return processElements(t); });
return (function() {
var selectSel = domGetAttr(el, "sx-select");
var content = (isSxTruthy(selectSel) ? selectFromContainer(container, selectSel) : childrenToFragment(container));
disposeIslandsIn(target);
return withTransition(useTransition, function() { swapDomNodes(target, content, swapStyle);
return postSwap(target); });
})();
})() : NIL);
})();
})();
})(); };
// handle-html-response
var handleHtmlResponse = function(el, target, text, swapStyle, useTransition) { return (function() {
var doc = domParseHtmlDocument(text);
return (isSxTruthy(doc) ? (function() {
var selectSel = domGetAttr(el, "sx-select");
disposeIslandsIn(target);
return (isSxTruthy(selectSel) ? (function() {
var html = selectHtmlFromDoc(doc, selectSel);
return withTransition(useTransition, function() { swapHtmlString(target, html, swapStyle);
return postSwap(target); });
})() : (function() {
var container = domCreateElement("div", NIL);
domSetInnerHtml(container, domBodyInnerHtml(doc));
processOobSwaps(container, function(t, oob, s) { disposeIslandsIn(t);
swapDomNodes(t, oob, s);
return postSwap(t); });
hoistHeadElements(container);
return withTransition(useTransition, function() { swapDomNodes(target, childrenToFragment(container), swapStyle);
return postSwap(target); });
})());
})() : NIL);
})(); };
// handle-retry
var handleRetry = function(el, verb, method, url, extraParams) { return (function() {
var retryAttr = domGetAttr(el, "sx-retry");
var spec = parseRetrySpec(retryAttr);
return (isSxTruthy(spec) ? (function() {
var currentMs = sxOr(domGetAttr(el, "data-sx-retry-ms"), get(spec, "start-ms"));
return (function() {
var ms = parseInt_(currentMs, get(spec, "start-ms"));
domSetAttr(el, "data-sx-retry-ms", (String(nextRetryMs(ms, get(spec, "cap-ms")))));
return setTimeout_(function() { return doFetch(el, verb, method, url, extraParams); }, ms);
})();
})() : NIL);
})(); };
// bind-triggers
var bindTriggers = function(el, verbInfo) { return (function() {
var triggers = sxOr(parseTriggerSpec(domGetAttr(el, "sx-trigger")), defaultTrigger(domTagName(el)));
return forEach(function(trigger) { return (function() {
var kind = classifyTrigger(trigger);
var mods = get(trigger, "modifiers");
return (isSxTruthy((kind == "poll")) ? setInterval_(function() { return executeRequest(el, NIL, NIL); }, get(mods, "interval")) : (isSxTruthy((kind == "intersect")) ? observeIntersection(el, function() { return executeRequest(el, NIL, NIL); }, false, get(mods, "delay")) : (isSxTruthy((kind == "load")) ? setTimeout_(function() { return executeRequest(el, NIL, NIL); }, sxOr(get(mods, "delay"), 0)) : (isSxTruthy((kind == "revealed")) ? observeIntersection(el, function() { return executeRequest(el, NIL, NIL); }, true, get(mods, "delay")) : (isSxTruthy((kind == "event")) ? bindEvent(el, get(trigger, "event"), mods, verbInfo) : NIL)))));
})(); }, triggers);
})(); };
// bind-event
var bindEvent = function(el, eventName, mods, verbInfo) { return (function() {
var timer = NIL;
var lastVal = NIL;
var listenTarget = (isSxTruthy(get(mods, "from")) ? domQuery(get(mods, "from")) : el);
return (isSxTruthy(listenTarget) ? domAddListener(listenTarget, eventName, function(e) { return (function() {
var shouldFire = true;
if (isSxTruthy(get(mods, "changed"))) {
(function() {
var val = elementValue(el);
return (isSxTruthy((val == lastVal)) ? (shouldFire = false) : (lastVal = val));
})();
}
return (isSxTruthy(shouldFire) ? ((isSxTruthy(sxOr((eventName == "submit"), (isSxTruthy((eventName == "click")) && domHasAttr(el, "href")))) ? preventDefault_(e) : NIL), (function() {
var liveInfo = sxOr(getVerbInfo(el), verbInfo);
var isGetLink = (isSxTruthy((eventName == "click")) && isSxTruthy((get(liveInfo, "method") == "GET")) && isSxTruthy(domHasAttr(el, "href")) && !isSxTruthy(get(mods, "delay")));
var clientRouted = false;
if (isSxTruthy(isGetLink)) {
clientRouted = tryClientRoute(urlPathname(get(liveInfo, "url")), domGetAttr(el, "sx-target"));
}
return (isSxTruthy(clientRouted) ? (browserPushState(get(liveInfo, "url")), browserScrollTo(0, 0)) : ((isSxTruthy(isGetLink) ? logInfo((String("sx:route server fetch ") + String(get(liveInfo, "url")))) : NIL), (isSxTruthy(get(mods, "delay")) ? (clearTimeout_(timer), (timer = setTimeout_(function() { return executeRequest(el, NIL, NIL); }, get(mods, "delay")))) : executeRequest(el, NIL, NIL))));
})()) : NIL);
})(); }, (isSxTruthy(get(mods, "once")) ? {["once"]: true} : NIL)) : NIL);
})(); };
// post-swap
var postSwap = function(root) { activateScripts(root);
sxProcessScripts(root);
sxHydrate(root);
sxHydrateIslands(root);
return processElements(root); };
// activate-scripts
var activateScripts = function(root) { return (isSxTruthy(root) ? (function() {
var scripts = domQueryAll(root, "script");
return forEach(function(dead) { return (isSxTruthy((isSxTruthy(!isSxTruthy(domHasAttr(dead, "data-components"))) && !isSxTruthy(domHasAttr(dead, "data-sx-activated")))) ? (function() {
var live = createScriptClone(dead);
domSetAttr(live, "data-sx-activated", "true");
return domReplaceChild(domParent(dead), live, dead);
})() : NIL); }, scripts);
})() : NIL); };
// process-oob-swaps
var processOobSwaps = function(container, swapFn) { return (function() {
var oobs = findOobSwaps(container);
return forEach(function(oob) { return (function() {
var targetId = get(oob, "target-id");
var target = domQueryById(targetId);
var oobEl = get(oob, "element");
var swapType = get(oob, "swap-type");
if (isSxTruthy(domParent(oobEl))) {
domRemoveChild(domParent(oobEl), oobEl);
}
return (isSxTruthy(target) ? swapFn(target, oobEl, swapType) : NIL);
})(); }, oobs);
})(); };
// hoist-head-elements
var hoistHeadElements = function(container) { { var _c = domQueryAll(container, "style[data-sx-css]"); for (var _i = 0; _i < _c.length; _i++) { var style = _c[_i]; if (isSxTruthy(domParent(style))) {
domRemoveChild(domParent(style), style);
}
domAppendToHead(style); } }
return forEach(function(link) { if (isSxTruthy(domParent(link))) {
domRemoveChild(domParent(link), link);
}
return domAppendToHead(link); }, domQueryAll(container, "link[rel=\"stylesheet\"]")); };
// process-boosted
var processBoosted = function(root) { return forEach(function(container) { return boostDescendants(container); }, domQueryAll(sxOr(root, domBody()), "[sx-boost]")); };
// boost-descendants
var boostDescendants = function(container) { return (function() {
var boostTarget = domGetAttr(container, "sx-boost");
{ var _c = domQueryAll(container, "a[href]"); for (var _i = 0; _i < _c.length; _i++) { var link = _c[_i]; if (isSxTruthy((isSxTruthy(!isSxTruthy(isProcessed(link, "boost"))) && shouldBoostLink(link)))) {
markProcessed(link, "boost");
if (isSxTruthy((isSxTruthy(!isSxTruthy(domHasAttr(link, "sx-target"))) && isSxTruthy(boostTarget) && !isSxTruthy((boostTarget == "true"))))) {
domSetAttr(link, "sx-target", boostTarget);
}
if (isSxTruthy(!isSxTruthy(domHasAttr(link, "sx-swap")))) {
domSetAttr(link, "sx-swap", "innerHTML");
}
if (isSxTruthy(!isSxTruthy(domHasAttr(link, "sx-push-url")))) {
domSetAttr(link, "sx-push-url", "true");
}
bindClientRouteLink(link, domGetAttr(link, "href"));
} } }
return forEach(function(form) { return (isSxTruthy((isSxTruthy(!isSxTruthy(isProcessed(form, "boost"))) && shouldBoostForm(form))) ? (markProcessed(form, "boost"), (function() {
var method = upper(sxOr(domGetAttr(form, "method"), "GET"));
var action = sxOr(domGetAttr(form, "action"), browserLocationHref());
if (isSxTruthy((isSxTruthy(!isSxTruthy(domHasAttr(form, "sx-target"))) && isSxTruthy(boostTarget) && !isSxTruthy((boostTarget == "true"))))) {
domSetAttr(form, "sx-target", boostTarget);
}
if (isSxTruthy(!isSxTruthy(domHasAttr(form, "sx-swap")))) {
domSetAttr(form, "sx-swap", "innerHTML");
}
return bindBoostForm(form, method, action);
})()) : NIL); }, domQueryAll(container, "form"));
})(); };
// _page-data-cache
var _pageDataCache = {};
// _page-data-cache-ttl
var _pageDataCacheTtl = 30000;
// page-data-cache-key
var pageDataCacheKey = function(pageName, params) { return (function() {
var base = pageName;
return (isSxTruthy(sxOr(isNil(params), isEmpty(keys(params)))) ? base : (function() {
var parts = [];
{ var _c = keys(params); for (var _i = 0; _i < _c.length; _i++) { var k = _c[_i]; parts.push((String(k) + String("=") + String(get(params, k)))); } }
return (String(base) + String(":") + String(join("&", parts)));
})());
})(); };
// page-data-cache-get
var pageDataCacheGet = function(cacheKey) { return (function() {
var entry = get(_pageDataCache, cacheKey);
return (isSxTruthy(isNil(entry)) ? NIL : (isSxTruthy(((nowMs() - get(entry, "ts")) > _pageDataCacheTtl)) ? (dictSet(_pageDataCache, cacheKey, NIL), NIL) : get(entry, "data")));
})(); };
// page-data-cache-set
var pageDataCacheSet = function(cacheKey, data) { return dictSet(_pageDataCache, cacheKey, {"data": data, "ts": nowMs()}); };
// invalidate-page-cache
var invalidatePageCache = function(pageName) { { var _c = keys(_pageDataCache); for (var _i = 0; _i < _c.length; _i++) { var k = _c[_i]; if (isSxTruthy(sxOr((k == pageName), startsWith(k, (String(pageName) + String(":")))))) {
_pageDataCache[k] = NIL;
} } }
swPostMessage({"type": "invalidate", "page": pageName});
return logInfo((String("sx:cache invalidate ") + String(pageName))); };
// invalidate-all-page-cache
var invalidateAllPageCache = function() { _pageDataCache = {};
swPostMessage({"type": "invalidate", "page": "*"});
return logInfo("sx:cache invalidate *"); };
// update-page-cache
var updatePageCache = function(pageName, data) { return (function() {
var cacheKey = pageDataCacheKey(pageName, {});
pageDataCacheSet(cacheKey, data);
return logInfo((String("sx:cache update ") + String(pageName)));
})(); };
// process-cache-directives
var processCacheDirectives = function(el, respHeaders, responseText) { (function() {
var elInvalidate = domGetAttr(el, "sx-cache-invalidate");
return (isSxTruthy(elInvalidate) ? (isSxTruthy((elInvalidate == "*")) ? invalidateAllPageCache() : invalidatePageCache(elInvalidate)) : NIL);
})();
(function() {
var hdrInvalidate = get(respHeaders, "cache-invalidate");
return (isSxTruthy(hdrInvalidate) ? (isSxTruthy((hdrInvalidate == "*")) ? invalidateAllPageCache() : invalidatePageCache(hdrInvalidate)) : NIL);
})();
return (function() {
var hdrUpdate = get(respHeaders, "cache-update");
return (isSxTruthy(hdrUpdate) ? (function() {
var data = parseSxData(responseText);
return (isSxTruthy(data) ? updatePageCache(hdrUpdate, data) : NIL);
})() : NIL);
})(); };
// _optimistic-snapshots
var _optimisticSnapshots = {};
// optimistic-cache-update
var optimisticCacheUpdate = function(cacheKey, mutator) { return (function() {
var cached = pageDataCacheGet(cacheKey);
return (isSxTruthy(cached) ? (function() {
var predicted = mutator(cached);
_optimisticSnapshots[cacheKey] = cached;
pageDataCacheSet(cacheKey, predicted);
return predicted;
})() : NIL);
})(); };
// optimistic-cache-revert
var optimisticCacheRevert = function(cacheKey) { return (function() {
var snapshot = get(_optimisticSnapshots, cacheKey);
return (isSxTruthy(snapshot) ? (pageDataCacheSet(cacheKey, snapshot), dictDelete(_optimisticSnapshots, cacheKey), snapshot) : NIL);
})(); };
// optimistic-cache-confirm
var optimisticCacheConfirm = function(cacheKey) { return dictDelete(_optimisticSnapshots, cacheKey); };
// submit-mutation
var submitMutation = function(pageName, params, actionName, payload, mutatorFn, onComplete) { return (function() {
var cacheKey = pageDataCacheKey(pageName, params);
var predicted = optimisticCacheUpdate(cacheKey, mutatorFn);
if (isSxTruthy(predicted)) {
tryRerenderPage(pageName, params, predicted);
}
return executeAction(actionName, payload, function(result) { if (isSxTruthy(result)) {
pageDataCacheSet(cacheKey, result);
}
optimisticCacheConfirm(cacheKey);
if (isSxTruthy(result)) {
tryRerenderPage(pageName, params, result);
}
logInfo((String("sx:optimistic confirmed ") + String(pageName)));
return (isSxTruthy(onComplete) ? onComplete("confirmed") : NIL); }, function(error) { return (function() {
var reverted = optimisticCacheRevert(cacheKey);
if (isSxTruthy(reverted)) {
tryRerenderPage(pageName, params, reverted);
}
logWarn((String("sx:optimistic reverted ") + String(pageName) + String(": ") + String(error)));
return (isSxTruthy(onComplete) ? onComplete("reverted") : NIL);
})(); });
})(); };
// _is-online
var _isOnline = true;
// _offline-queue
var _offlineQueue = [];
// offline-is-online?
var offlineIsOnline_p = function() { return _isOnline; };
// offline-set-online!
var offlineSetOnline_b = function(val) { return (_isOnline = val); };
// offline-queue-mutation
var offlineQueueMutation = function(actionName, payload, pageName, params, mutatorFn) { return (function() {
var cacheKey = pageDataCacheKey(pageName, params);
var entry = {["action"]: actionName, ["payload"]: payload, ["page"]: pageName, ["params"]: params, ["timestamp"]: nowMs(), ["status"]: "pending"};
_offlineQueue.push(entry);
(function() {
var predicted = optimisticCacheUpdate(cacheKey, mutatorFn);
return (isSxTruthy(predicted) ? tryRerenderPage(pageName, params, predicted) : NIL);
})();
logInfo((String("sx:offline queued ") + String(actionName) + String(" (") + String(len(_offlineQueue)) + String(" pending)")));
return entry;
})(); };
// offline-sync
var offlineSync = function() { return (function() {
var pending = filter(function(e) { return (get(e, "status") == "pending"); }, _offlineQueue);
return (isSxTruthy(!isSxTruthy(isEmpty(pending))) ? (logInfo((String("sx:offline syncing ") + String(len(pending)) + String(" mutations"))), forEach(function(entry) { return executeAction(get(entry, "action"), get(entry, "payload"), function(result) { entry["status"] = "synced";
return logInfo((String("sx:offline synced ") + String(get(entry, "action")))); }, function(error) { entry["status"] = "failed";
return logWarn((String("sx:offline sync failed ") + String(get(entry, "action")) + String(": ") + String(error))); }); }, pending)) : NIL);
})(); };
// offline-pending-count
var offlinePendingCount = function() { return len(filter(function(e) { return (get(e, "status") == "pending"); }, _offlineQueue)); };
// offline-aware-mutation
var offlineAwareMutation = function(pageName, params, actionName, payload, mutatorFn, onComplete) { return (isSxTruthy(_isOnline) ? submitMutation(pageName, params, actionName, payload, mutatorFn, onComplete) : (offlineQueueMutation(actionName, payload, pageName, params, mutatorFn), (isSxTruthy(onComplete) ? onComplete("queued") : NIL))); };
// current-page-layout
var currentPageLayout = function() { return (function() {
var pathname = urlPathname(browserLocationHref());
var match = findMatchingRoute(pathname, _pageRoutes);
return (isSxTruthy(isNil(match)) ? "" : sxOr(get(match, "layout"), ""));
})(); };
// swap-rendered-content
var swapRenderedContent = function(target, rendered, pathname) { return (disposeIslandsIn(target), domSetTextContent(target, ""), domAppend(target, rendered), hoistHeadElementsFull(target), processElements(target), sxHydrateElements(target), domDispatch(target, "sx:clientRoute", {["pathname"]: pathname}), logInfo((String("sx:route client ") + String(pathname)))); };
// resolve-route-target
var resolveRouteTarget = function(targetSel) { return (isSxTruthy((isSxTruthy(targetSel) && !isSxTruthy((targetSel == "true")))) ? domQuery(targetSel) : NIL); };
// deps-satisfied?
var depsSatisfied_p = function(match) { return (function() {
var deps = get(match, "deps");
var loaded = loadedComponentNames();
return (isSxTruthy(sxOr(isNil(deps), isEmpty(deps))) ? true : isEvery(function(dep) { return contains(loaded, dep); }, deps));
})(); };
// try-client-route
var tryClientRoute = function(pathname, targetSel) { return (function() {
var match = findMatchingRoute(pathname, _pageRoutes);
return (isSxTruthy(isNil(match)) ? (logInfo((String("sx:route no match (") + String(len(_pageRoutes)) + String(" routes) ") + String(pathname))), false) : (function() {
var targetLayout = sxOr(get(match, "layout"), "");
var curLayout = currentPageLayout();
return (isSxTruthy(!isSxTruthy((targetLayout == curLayout))) ? (logInfo((String("sx:route server (layout: ") + String(curLayout) + String(" -> ") + String(targetLayout) + String(") ") + String(pathname))), false) : (function() {
var contentSrc = get(match, "content");
var closure = sxOr(get(match, "closure"), {});
var params = get(match, "params");
var pageName = get(match, "name");
return (isSxTruthy(sxOr(isNil(contentSrc), isEmpty(contentSrc))) ? (logWarn((String("sx:route no content for ") + String(pathname))), false) : (function() {
var target = resolveRouteTarget(targetSel);
return (isSxTruthy(isNil(target)) ? (logWarn((String("sx:route target not found: ") + String(targetSel))), false) : (isSxTruthy(!isSxTruthy(depsSatisfied_p(match))) ? (logInfo((String("sx:route deps miss for ") + String(pageName))), false) : (function() {
var ioDeps = get(match, "io-deps");
var hasIo = (isSxTruthy(ioDeps) && !isSxTruthy(isEmpty(ioDeps)));
var renderPlan = get(match, "render-plan");
if (isSxTruthy(renderPlan)) {
(function() {
var srv = sxOr(get(renderPlan, "server"), []);
var cli = sxOr(get(renderPlan, "client"), []);
return logInfo((String("sx:route plan ") + String(pageName) + String(" — ") + String(len(srv)) + String(" server, ") + String(len(cli)) + String(" client")));
})();
}
if (isSxTruthy(hasIo)) {
registerIoDeps(ioDeps);
}
return (isSxTruthy(get(match, "stream")) ? (logInfo((String("sx:route streaming ") + String(pathname))), fetchStreaming(target, pathname, buildRequestHeaders(target, loadedComponentNames(), _cssHash)), true) : (isSxTruthy(get(match, "has-data")) ? (function() {
var cacheKey = pageDataCacheKey(pageName, params);
var cached = pageDataCacheGet(cacheKey);
return (isSxTruthy(cached) ? (function() {
var env = merge(closure, params, cached);
return (isSxTruthy(hasIo) ? (logInfo((String("sx:route client+cache+async ") + String(pathname))), tryAsyncEvalContent(contentSrc, env, function(rendered) { return (isSxTruthy(isNil(rendered)) ? logWarn((String("sx:route async eval failed for ") + String(pathname))) : swapRenderedContent(target, rendered, pathname)); }), true) : (function() {
var rendered = tryEvalContent(contentSrc, env);
return (isSxTruthy(isNil(rendered)) ? (logWarn((String("sx:route cached eval failed for ") + String(pathname))), false) : (logInfo((String("sx:route client+cache ") + String(pathname))), swapRenderedContent(target, rendered, pathname), true));
})());
})() : (logInfo((String("sx:route client+data ") + String(pathname))), resolvePageData(pageName, params, function(data) { pageDataCacheSet(cacheKey, data);
return (function() {
var env = merge(closure, params, data);
return (isSxTruthy(hasIo) ? tryAsyncEvalContent(contentSrc, env, function(rendered) { return (isSxTruthy(isNil(rendered)) ? logWarn((String("sx:route data+async eval failed for ") + String(pathname))) : swapRenderedContent(target, rendered, pathname)); }) : (function() {
var rendered = tryEvalContent(contentSrc, env);
return (isSxTruthy(isNil(rendered)) ? logWarn((String("sx:route data eval failed for ") + String(pathname))) : swapRenderedContent(target, rendered, pathname));
})());
})(); }), true));
})() : (isSxTruthy(hasIo) ? (logInfo((String("sx:route client+async ") + String(pathname))), tryAsyncEvalContent(contentSrc, merge(closure, params), function(rendered) { return (isSxTruthy(isNil(rendered)) ? logWarn((String("sx:route async eval failed for ") + String(pathname))) : swapRenderedContent(target, rendered, pathname)); }), true) : (function() {
var env = merge(closure, params);
var rendered = tryEvalContent(contentSrc, env);
return (isSxTruthy(isNil(rendered)) ? (logInfo((String("sx:route server (eval failed) ") + String(pathname))), false) : (swapRenderedContent(target, rendered, pathname), true));
})())));
})()));
})());
})());
})());
})(); };
// bind-client-route-link
var bindClientRouteLink = function(link, href) { return bindClientRouteClick(link, href, function() { return bindBoostLink(link, href); }); };
// process-sse
var processSse = function(root) { return forEach(function(el) { return (isSxTruthy(!isSxTruthy(isProcessed(el, "sse"))) ? (markProcessed(el, "sse"), bindSse(el)) : NIL); }, domQueryAll(sxOr(root, domBody()), "[sx-sse]")); };
// bind-sse
var bindSse = function(el) { return (function() {
var url = domGetAttr(el, "sx-sse");
return (isSxTruthy(url) ? (function() {
var source = eventSourceConnect(url, el);
var eventName = parseSseSwap(el);
return eventSourceListen(source, eventName, function(data) { return bindSseSwap(el, data); });
})() : NIL);
})(); };
// bind-sse-swap
var bindSseSwap = function(el, data) { return (function() {
var target = resolveTarget(el);
var swapSpec = parseSwapSpec(domGetAttr(el, "sx-swap"), domHasClass(domBody(), "sx-transitions"));
var swapStyle = get(swapSpec, "style");
var useTransition = get(swapSpec, "transition");
var trimmed = trim(data);
return (isSxTruthy(!isSxTruthy(isEmpty(trimmed))) ? (disposeIslandsIn(target), (isSxTruthy(startsWith(trimmed, "(")) ? (function() {
var rendered = sxRender(trimmed);
var container = domCreateElement("div", NIL);
domAppend(container, rendered);
return withTransition(useTransition, function() { swapDomNodes(target, childrenToFragment(container), swapStyle);
return postSwap(target); });
})() : withTransition(useTransition, function() { swapHtmlString(target, trimmed, swapStyle);
return postSwap(target); }))) : NIL);
})(); };
// bind-inline-handlers
var bindInlineHandlers = function(root) { return forEach(function(el) { return forEach(function(attr) { return (function() {
var name = first(attr);
var body = nth(attr, 1);
return (isSxTruthy(startsWith(name, "sx-on:")) ? (function() {
var eventName = slice(name, 6);
return (isSxTruthy(!isSxTruthy(isProcessed(el, (String("on:") + String(eventName))))) ? (markProcessed(el, (String("on:") + String(eventName))), bindInlineHandler(el, eventName, body)) : NIL);
})() : NIL);
})(); }, domAttrList(el)); }, domQueryAll(sxOr(root, domBody()), "[sx-on\\:beforeRequest],[sx-on\\:afterRequest],[sx-on\\:afterSwap],[sx-on\\:afterSettle],[sx-on\\:load]")); };
// bind-preload-for
var bindPreloadFor = function(el) { return (function() {
var preloadAttr = domGetAttr(el, "sx-preload");
return (isSxTruthy(preloadAttr) ? (function() {
var events = (isSxTruthy((preloadAttr == "mousedown")) ? ["mousedown", "touchstart"] : ["mouseover"]);
var debounceMs = (isSxTruthy((preloadAttr == "mousedown")) ? 0 : 100);
return bindPreload(el, events, debounceMs, function() { return (function() {
var info = getVerbInfo(el);
return (isSxTruthy(info) ? doPreload(get(info, "url"), buildRequestHeaders(el, loadedComponentNames(), _cssHash)) : NIL);
})(); });
})() : NIL);
})(); };
// do-preload
var doPreload = function(url, headers) { return (isSxTruthy(isNil(preloadCacheGet(_preloadCache, url))) ? fetchPreload(url, headers, _preloadCache) : NIL); };
// VERB_SELECTOR
var VERB_SELECTOR = (String("[sx-get],[sx-post],[sx-put],[sx-delete],[sx-patch]"));
// process-elements
var processElements = function(root) { (function() {
var els = domQueryAll(sxOr(root, domBody()), VERB_SELECTOR);
return forEach(function(el) { return (isSxTruthy(!isSxTruthy(isProcessed(el, "verb"))) ? (markProcessed(el, "verb"), processOne(el)) : NIL); }, els);
})();
processBoosted(root);
processSse(root);
bindInlineHandlers(root);
return processEmitElements(root); };
// process-one
var processOne = function(el) { return (function() {
var verbInfo = getVerbInfo(el);
return (isSxTruthy(verbInfo) ? (isSxTruthy(!isSxTruthy(domHasAttr(el, "sx-disable"))) ? (bindTriggers(el, verbInfo), bindPreloadFor(el)) : NIL) : NIL);
})(); };
// process-emit-elements
var processEmitElements = function(root) { return (function() {
var els = domQueryAll(sxOr(root, domBody()), "[data-sx-emit]");
return forEach(function(el) { return (isSxTruthy(!isSxTruthy(isProcessed(el, "emit"))) ? (markProcessed(el, "emit"), (function() {
var eventName = domGetAttr(el, "data-sx-emit");
return (isSxTruthy(eventName) ? domListen(el, "click", function(e) { return (function() {
var detailJson = domGetAttr(el, "data-sx-emit-detail");
var detail = (isSxTruthy(detailJson) ? jsonParse(detailJson) : {});
return domDispatch(el, eventName, detail);
})(); }) : NIL);
})()) : NIL); }, els);
})(); };
// handle-popstate
var handlePopstate = function(scrollY) { return (function() {
var url = browserLocationHref();
var boostEl = domQuery("[sx-boost]");
var targetSel = (isSxTruthy(boostEl) ? (function() {
var attr = domGetAttr(boostEl, "sx-boost");
return (isSxTruthy((isSxTruthy(attr) && !isSxTruthy((attr == "true")))) ? attr : NIL);
})() : NIL);
var targetSel = sxOr(targetSel, "#main-panel");
var target = domQuery(targetSel);
var pathname = urlPathname(url);
return (isSxTruthy(target) ? (isSxTruthy(tryClientRoute(pathname, targetSel)) ? browserScrollTo(0, scrollY) : (function() {
var headers = buildRequestHeaders(target, loadedComponentNames(), _cssHash);
return fetchAndRestore(target, url, headers, scrollY);
})()) : NIL);
})(); };
// engine-init
var engineInit = function() { return (initCssTracking(), sxProcessScripts(NIL), sxHydrate(NIL), processElements(NIL)); };
// === Transpiled from boot ===
// HEAD_HOIST_SELECTOR
var HEAD_HOIST_SELECTOR = "meta, title, link[rel='canonical'], script[type='application/ld+json']";
// hoist-head-elements-full
var hoistHeadElementsFull = function(root) { return (function() {
var els = domQueryAll(root, HEAD_HOIST_SELECTOR);
return forEach(function(el) { return (function() {
var tag = lower(domTagName(el));
return (isSxTruthy((tag == "title")) ? (setDocumentTitle(domTextContent(el)), domRemoveChild(domParent(el), el)) : (isSxTruthy((tag == "meta")) ? ((function() {
var name = domGetAttr(el, "name");
var prop = domGetAttr(el, "property");
if (isSxTruthy(name)) {
removeHeadElement((String("meta[name=\"") + String(name) + String("\"]")));
}
return (isSxTruthy(prop) ? removeHeadElement((String("meta[property=\"") + String(prop) + String("\"]"))) : NIL);
})(), domRemoveChild(domParent(el), el), domAppendToHead(el)) : (isSxTruthy((isSxTruthy((tag == "link")) && (domGetAttr(el, "rel") == "canonical"))) ? (removeHeadElement("link[rel=\"canonical\"]"), domRemoveChild(domParent(el), el), domAppendToHead(el)) : (domRemoveChild(domParent(el), el), domAppendToHead(el)))));
})(); }, els);
})(); };
// sx-mount
var sxMount = function(target, source, extraEnv) { return (function() {
var el = resolveMountTarget(target);
return (isSxTruthy(el) ? (function() {
var node = sxRenderWithEnv(source, extraEnv);
domSetTextContent(el, "");
domAppend(el, node);
hoistHeadElementsFull(el);
processElements(el);
sxHydrateElements(el);
return sxHydrateIslands(el);
})() : NIL);
})(); };
// resolve-suspense
var resolveSuspense = function(id, sx) { processSxScripts(NIL);
return (function() {
var el = domQuery((String("[data-suspense=\"") + String(id) + String("\"]")));
return (isSxTruthy(el) ? (function() {
var exprs = parse(sx);
var env = getRenderEnv(NIL);
domSetTextContent(el, "");
{ var _c = exprs; for (var _i = 0; _i < _c.length; _i++) { var expr = _c[_i]; domAppend(el, renderToDom(expr, env, NIL)); } }
processElements(el);
sxHydrateElements(el);
sxHydrateIslands(el);
return domDispatch(el, "sx:resolved", {"id": id});
})() : logWarn((String("resolveSuspense: no element for id=") + String(id))));
})(); };
// sx-hydrate-elements
var sxHydrateElements = function(root) { return (function() {
var els = domQueryAll(sxOr(root, domBody()), "[data-sx]");
return forEach(function(el) { return (isSxTruthy(!isSxTruthy(isProcessed(el, "hydrated"))) ? (markProcessed(el, "hydrated"), sxUpdateElement(el, NIL)) : NIL); }, els);
})(); };
// sx-update-element
var sxUpdateElement = function(el, newEnv) { return (function() {
var target = resolveMountTarget(el);
return (isSxTruthy(target) ? (function() {
var source = domGetAttr(target, "data-sx");
return (isSxTruthy(source) ? (function() {
var baseEnv = parseEnvAttr(target);
var env = mergeEnvs(baseEnv, newEnv);
return (function() {
var node = sxRenderWithEnv(source, env);
domSetTextContent(target, "");
domAppend(target, node);
return (isSxTruthy(newEnv) ? storeEnvAttr(target, baseEnv, newEnv) : NIL);
})();
})() : NIL);
})() : NIL);
})(); };
// sx-render-component
var sxRenderComponent = function(name, kwargs, extraEnv) { return (function() {
var fullName = (isSxTruthy(startsWith(name, "~")) ? name : (String("~") + String(name)));
return (function() {
var env = getRenderEnv(extraEnv);
var comp = envGet(env, fullName);
return (isSxTruthy(!isSxTruthy(isComponent(comp))) ? error((String("Unknown component: ") + String(fullName))) : (function() {
var callExpr = [makeSymbol(fullName)];
{ var _c = keys(kwargs); for (var _i = 0; _i < _c.length; _i++) { var k = _c[_i]; callExpr.push(makeKeyword(toKebab(k)));
callExpr.push(dictGet(kwargs, k)); } }
return renderToDom(callExpr, env, NIL);
})());
})();
})(); };
// process-sx-scripts
var processSxScripts = function(root) { return (function() {
var scripts = querySxScripts(root);
return forEach(function(s) { return (isSxTruthy(!isSxTruthy(isProcessed(s, "script"))) ? (markProcessed(s, "script"), (function() {
var text = domTextContent(s);
return (isSxTruthy(domHasAttr(s, "data-components")) ? processComponentScript(s, text) : (isSxTruthy(sxOr(isNil(text), isEmpty(trim(text)))) ? NIL : (isSxTruthy(domHasAttr(s, "data-mount")) ? (function() {
var mountSel = domGetAttr(s, "data-mount");
var target = domQuery(mountSel);
return (isSxTruthy(target) ? sxMount(target, text, NIL) : NIL);
})() : sxLoadComponents(text))));
})()) : NIL); }, scripts);
})(); };
// process-component-script
var processComponentScript = function(script, text) { return (function() {
var hash = domGetAttr(script, "data-hash");
return (isSxTruthy(isNil(hash)) ? (isSxTruthy((isSxTruthy(text) && !isSxTruthy(isEmpty(trim(text))))) ? sxLoadComponents(text) : NIL) : (function() {
var hasInline = (isSxTruthy(text) && !isSxTruthy(isEmpty(trim(text))));
(function() {
var cachedHash = localStorageGet("sx-components-hash");
return (isSxTruthy((cachedHash == hash)) ? (isSxTruthy(hasInline) ? (localStorageSet("sx-components-hash", hash), localStorageSet("sx-components-src", text), sxLoadComponents(text), logInfo("components: downloaded (cookie stale)")) : (function() {
var cached = localStorageGet("sx-components-src");
return (isSxTruthy(cached) ? (sxLoadComponents(cached), logInfo((String("components: cached (") + String(hash) + String(")")))) : (clearSxCompCookie(), browserReload()));
})()) : (isSxTruthy(hasInline) ? (localStorageSet("sx-components-hash", hash), localStorageSet("sx-components-src", text), sxLoadComponents(text), logInfo((String("components: downloaded (") + String(hash) + String(")")))) : (localStorageRemove("sx-components-hash"), localStorageRemove("sx-components-src"), clearSxCompCookie(), browserReload())));
})();
return setSxCompCookie(hash);
})());
})(); };
// _page-routes
var _pageRoutes = [];
// process-page-scripts
var processPageScripts = function() { return (function() {
var scripts = queryPageScripts();
logInfo((String("pages: found ") + String(len(scripts)) + String(" script tags")));
{ var _c = scripts; for (var _i = 0; _i < _c.length; _i++) { var s = _c[_i]; if (isSxTruthy(!isSxTruthy(isProcessed(s, "pages")))) {
markProcessed(s, "pages");
(function() {
var text = domTextContent(s);
logInfo((String("pages: script text length=") + String((isSxTruthy(text) ? len(text) : 0))));
return (isSxTruthy((isSxTruthy(text) && !isSxTruthy(isEmpty(trim(text))))) ? (function() {
var pages = parse(text);
logInfo((String("pages: parsed ") + String(len(pages)) + String(" entries")));
return forEach(function(page) { return append_b(_pageRoutes, merge(page, {"parsed": parseRoutePattern(get(page, "path"))})); }, pages);
})() : logWarn("pages: script tag is empty"));
})();
} } }
return logInfo((String("pages: ") + String(len(_pageRoutes)) + String(" routes loaded")));
})(); };
// sx-hydrate-islands
var sxHydrateIslands = function(root) { return (function() {
var els = domQueryAll(sxOr(root, domBody()), "[data-sx-island]");
return forEach(function(el) { return (isSxTruthy(!isSxTruthy(isProcessed(el, "island-hydrated"))) ? (markProcessed(el, "island-hydrated"), hydrateIsland(el)) : NIL); }, els);
})(); };
// hydrate-island
var hydrateIsland = function(el) { return (function() {
var name = domGetAttr(el, "data-sx-island");
var stateJson = sxOr(domGetAttr(el, "data-sx-state"), "{}");
return (function() {
var compName = (String("~") + String(name));
var env = getRenderEnv(NIL);
return (function() {
var comp = envGet(env, compName);
return (isSxTruthy(!isSxTruthy(sxOr(isComponent(comp), isIsland(comp)))) ? logWarn((String("hydrate-island: unknown island ") + String(compName))) : (function() {
var kwargs = jsonParse(stateJson);
var disposers = [];
var local = envMerge(componentClosure(comp), env);
{ var _c = componentParams(comp); for (var _i = 0; _i < _c.length; _i++) { var p = _c[_i]; local[p] = (isSxTruthy(dictHas(kwargs, p)) ? dictGet(kwargs, p) : NIL); } }
return (function() {
var bodyDom = withIslandScope(function(disposable) { return append_b(disposers, disposable); }, function() { return renderToDom(componentBody(comp), local, NIL); });
domSetTextContent(el, "");
domAppend(el, bodyDom);
domSetData(el, "sx-disposers", disposers);
processElements(el);
return logInfo((String("hydrated island: ") + String(compName) + String(" (") + String(len(disposers)) + String(" disposers)")));
})();
})());
})();
})();
})(); };
// dispose-island
var disposeIsland = function(el) { return (function() {
var disposers = domGetData(el, "sx-disposers");
return (isSxTruthy(disposers) ? (forEach(function(d) { return (isSxTruthy(isCallable(d)) ? d() : NIL); }, disposers), domSetData(el, "sx-disposers", NIL)) : NIL);
})(); };
// dispose-islands-in
var disposeIslandsIn = function(root) { return (isSxTruthy(root) ? (function() {
var islands = domQueryAll(root, "[data-sx-island]");
return (isSxTruthy((isSxTruthy(islands) && !isSxTruthy(isEmpty(islands)))) ? (logInfo((String("disposing ") + String(len(islands)) + String(" island(s)"))), forEach(disposeIsland, islands)) : NIL);
})() : NIL); };
// boot-init
var bootInit = function() { return (logInfo((String("sx-browser ") + String(SX_VERSION))), initCssTracking(), processPageScripts(), processSxScripts(NIL), sxHydrateElements(NIL), sxHydrateIslands(NIL), processElements(NIL)); };
// === Transpiled from router (client-side route matching) ===
// split-path-segments
var splitPathSegments = function(path) { return (function() {
var trimmed = (isSxTruthy(startsWith(path, "/")) ? slice(path, 1) : path);
return (function() {
var trimmed2 = (isSxTruthy((isSxTruthy(!isSxTruthy(isEmpty(trimmed))) && endsWith(trimmed, "/"))) ? slice(trimmed, 0, (len(trimmed) - 1)) : trimmed);
return (isSxTruthy(isEmpty(trimmed2)) ? [] : split(trimmed2, "/"));
})();
})(); };
// make-route-segment
var makeRouteSegment = function(seg) { return (isSxTruthy((isSxTruthy(startsWith(seg, "<")) && endsWith(seg, ">"))) ? (function() {
var paramName = slice(seg, 1, (len(seg) - 1));
return (function() {
var d = {};
d["type"] = "param";
d["value"] = paramName;
return d;
})();
})() : (function() {
var d = {};
d["type"] = "literal";
d["value"] = seg;
return d;
})()); };
// parse-route-pattern
var parseRoutePattern = function(pattern) { return (function() {
var segments = splitPathSegments(pattern);
return map(makeRouteSegment, segments);
})(); };
// match-route-segments
var matchRouteSegments = function(pathSegs, parsedSegs) { return (isSxTruthy(!isSxTruthy((len(pathSegs) == len(parsedSegs)))) ? NIL : (function() {
var params = {};
var matched = true;
forEachIndexed(function(i, parsedSeg) { return (isSxTruthy(matched) ? (function() {
var pathSeg = nth(pathSegs, i);
var segType = get(parsedSeg, "type");
return (isSxTruthy((segType == "literal")) ? (isSxTruthy(!isSxTruthy((pathSeg == get(parsedSeg, "value")))) ? (matched = false) : NIL) : (isSxTruthy((segType == "param")) ? dictSet(params, get(parsedSeg, "value"), pathSeg) : (matched = false)));
})() : NIL); }, parsedSegs);
return (isSxTruthy(matched) ? params : NIL);
})()); };
// match-route
var matchRoute = function(path, pattern) { return (function() {
var pathSegs = splitPathSegments(path);
var parsedSegs = parseRoutePattern(pattern);
return matchRouteSegments(pathSegs, parsedSegs);
})(); };
// find-matching-route
var findMatchingRoute = function(path, routes) { return (function() {
var pathSegs = splitPathSegments(path);
var result = NIL;
{ var _c = routes; for (var _i = 0; _i < _c.length; _i++) { var route = _c[_i]; if (isSxTruthy(isNil(result))) {
(function() {
var params = matchRouteSegments(pathSegs, get(route, "parsed"));
return (isSxTruthy(!isSxTruthy(isNil(params))) ? (function() {
var matched = merge(route, {});
matched["params"] = params;
return (result = matched);
})() : NIL);
})();
} } }
return result;
})(); };
// === Transpiled from signals (reactive signal runtime) ===
// signal
var signal = function(initialValue) { return makeSignal(initialValue); };
// deref
var deref = function(s) { return (isSxTruthy(!isSxTruthy(isSignal(s))) ? s : (function() {
var ctx = getTrackingContext();
if (isSxTruthy(ctx)) {
trackingContextAddDep(ctx, s);
signalAddSub(s, trackingContextNotifyFn(ctx));
}
return signalValue(s);
})()); };
// reset!
var reset_b = function(s, value) { return (isSxTruthy(isSignal(s)) ? (function() {
var old = signalValue(s);
return (isSxTruthy(!isSxTruthy(isIdentical(old, value))) ? (signalSetValue(s, value), notifySubscribers(s)) : NIL);
})() : NIL); };
// swap!
var swap_b = function(s, f) { var args = Array.prototype.slice.call(arguments, 2); return (isSxTruthy(isSignal(s)) ? (function() {
var old = signalValue(s);
var newVal = apply(f, cons(old, args));
return (isSxTruthy(!isSxTruthy(isIdentical(old, newVal))) ? (signalSetValue(s, newVal), notifySubscribers(s)) : NIL);
})() : NIL); };
// computed
var computed = function(computeFn) { return (function() {
var s = makeSignal(NIL);
var deps = [];
var computeCtx = NIL;
return (function() {
var recompute = function() { { var _c = signalDeps(s); for (var _i = 0; _i < _c.length; _i++) { var dep = _c[_i]; signalRemoveSub(dep, recompute); } }
signalSetDeps(s, []);
return (function() {
var ctx = makeTrackingContext(recompute);
return (function() {
var prev = getTrackingContext();
setTrackingContext(ctx);
return (function() {
var newVal = invoke(computeFn);
setTrackingContext(prev);
signalSetDeps(s, trackingContextDeps(ctx));
return (function() {
var old = signalValue(s);
signalSetValue(s, newVal);
return (isSxTruthy(!isSxTruthy(isIdentical(old, newVal))) ? notifySubscribers(s) : NIL);
})();
})();
})();
})(); };
recompute();
registerInScope(function() { return disposeComputed(s); });
return s;
})();
})(); };
// effect
var effect = function(effectFn) { return (function() {
var deps = [];
var disposed = false;
var cleanupFn = NIL;
return (function() {
var runEffect = function() { return (isSxTruthy(!isSxTruthy(disposed)) ? ((isSxTruthy(cleanupFn) ? invoke(cleanupFn) : NIL), forEach(function(dep) { return signalRemoveSub(dep, runEffect); }, deps), (deps = []), (function() {
var ctx = makeTrackingContext(runEffect);
return (function() {
var prev = getTrackingContext();
setTrackingContext(ctx);
return (function() {
var result = invoke(effectFn);
setTrackingContext(prev);
deps = trackingContextDeps(ctx);
return (isSxTruthy(isCallable(result)) ? (cleanupFn = result) : NIL);
})();
})();
})()) : NIL); };
runEffect();
return (function() {
var disposeFn = function() { disposed = true;
if (isSxTruthy(cleanupFn)) {
invoke(cleanupFn);
}
{ var _c = deps; for (var _i = 0; _i < _c.length; _i++) { var dep = _c[_i]; signalRemoveSub(dep, runEffect); } }
return (deps = []); };
registerInScope(disposeFn);
return disposeFn;
})();
})();
})(); };
// *batch-depth*
var _batchDepth = NIL;
// *batch-queue*
var _batchQueue = [];
// batch
var batch = function(thunk) { _batchDepth = (_batchDepth + 1);
invoke(thunk);
_batchDepth = (_batchDepth - 1);
return (isSxTruthy((_batchDepth == 0)) ? (function() {
var queue = _batchQueue;
_batchQueue = [];
return (function() {
var seen = [];
var pending = [];
{ var _c = queue; for (var _i = 0; _i < _c.length; _i++) { var s = _c[_i]; { var _c = signalSubscribers(s); for (var _i = 0; _i < _c.length; _i++) { var sub = _c[_i]; if (isSxTruthy(!isSxTruthy(contains(seen, sub)))) {
seen.push(sub);
pending.push(sub);
} } } } }
return forEach(function(sub) { return sub(); }, pending);
})();
})() : NIL); };
// notify-subscribers
var notifySubscribers = function(s) { return (isSxTruthy((_batchDepth > 0)) ? (isSxTruthy(!isSxTruthy(contains(_batchQueue, s))) ? append_b(_batchQueue, s) : NIL) : flushSubscribers(s)); };
// flush-subscribers
var flushSubscribers = function(s) { return forEach(function(sub) { return sub(); }, signalSubscribers(s)); };
// dispose-computed
var disposeComputed = function(s) { return (isSxTruthy(isSignal(s)) ? (forEach(function(dep) { return signalRemoveSub(dep, NIL); }, signalDeps(s)), signalSetDeps(s, [])) : NIL); };
// *island-scope*
var _islandScope = NIL;
// with-island-scope
var withIslandScope = function(scopeFn, bodyFn) { return (function() {
var prev = _islandScope;
_islandScope = scopeFn;
return (function() {
var result = bodyFn();
_islandScope = prev;
return result;
})();
})(); };
// register-in-scope
var registerInScope = function(disposable) { return (isSxTruthy(_islandScope) ? _islandScope(disposable) : NIL); };
// *store-registry*
var _storeRegistry = {};
// def-store
var defStore = function(name, initFn) { return (function() {
var registry = _storeRegistry;
if (isSxTruthy(!isSxTruthy(dictHas(registry, name)))) {
_storeRegistry = assoc(registry, name, invoke(initFn));
}
return get(_storeRegistry, name);
})(); };
// use-store
var useStore = function(name) { return (isSxTruthy(dictHas(_storeRegistry, name)) ? get(_storeRegistry, name) : error((String("Store not found: ") + String(name) + String(". Call (def-store ...) before (use-store ...).")))); };
// clear-stores
var clearStores = function() { return (_storeRegistry = {}); };
// emit-event
var emitEvent = function(el, eventName, detail) { return domDispatch(el, eventName, detail); };
// on-event
var onEvent = function(el, eventName, handler) { return domListen(el, eventName, handler); };
// bridge-event
var bridgeEvent = function(el, eventName, targetSignal, transformFn) { return effect(function() { return (function() {
var remove = domListen(el, eventName, function(e) { return (function() {
var detail = eventDetail(e);
var newVal = (isSxTruthy(transformFn) ? invoke(transformFn, detail) : detail);
return reset_b(targetSignal, newVal);
})(); });
return remove;
})(); }); };
// resource
var resource = function(fetchFn) { return (function() {
var state = signal({["loading"]: true, ["data"]: NIL, ["error"]: NIL});
promiseThen(invoke(fetchFn), function(data) { return reset_b(state, {["loading"]: false, ["data"]: data, ["error"]: NIL}); }, function(err) { return reset_b(state, {["loading"]: false, ["data"]: NIL, ["error"]: err}); });
return state;
})(); };
// =========================================================================
// Platform interface — DOM adapter (browser-only)
// =========================================================================
var _hasDom = typeof document !== "undefined";
// Register DOM adapter as the render dispatch target for the evaluator.
_renderExprFn = function(expr, env) { return renderToDom(expr, env, null); };
var SVG_NS = "http://www.w3.org/2000/svg";
var MATH_NS = "http://www.w3.org/1998/Math/MathML";
function domCreateElement(tag, ns) {
if (!_hasDom) return null;
if (ns && ns !== NIL) return document.createElementNS(ns, tag);
return document.createElement(tag);
}
function createTextNode(s) {
return _hasDom ? document.createTextNode(s) : null;
}
function createComment(s) {
return _hasDom ? document.createComment(s || "") : null;
}
function createFragment() {
return _hasDom ? document.createDocumentFragment() : null;
}
function domAppend(parent, child) {
if (parent && child) parent.appendChild(child);
}
function domPrepend(parent, child) {
if (parent && child) parent.insertBefore(child, parent.firstChild);
}
function domSetAttr(el, name, val) {
if (el && el.setAttribute) el.setAttribute(name, val);
}
function domGetAttr(el, name) {
if (!el || !el.getAttribute) return NIL;
var v = el.getAttribute(name);
return v === null ? NIL : v;
}
function domRemoveAttr(el, name) {
if (el && el.removeAttribute) el.removeAttribute(name);
}
function domHasAttr(el, name) {
return !!(el && el.hasAttribute && el.hasAttribute(name));
}
function domParseHtml(html) {
if (!_hasDom) return null;
var tpl = document.createElement("template");
tpl.innerHTML = html;
return tpl.content;
}
function domClone(node) {
return node && node.cloneNode ? node.cloneNode(true) : node;
}
function domParent(el) { return el ? el.parentNode : null; }
function domId(el) { return el && el.id ? el.id : NIL; }
function domNodeType(el) { return el ? el.nodeType : 0; }
function domNodeName(el) { return el ? el.nodeName : ""; }
function domTextContent(el) { return el ? el.textContent || el.nodeValue || "" : ""; }
function domSetTextContent(el, s) { if (el) { if (el.nodeType === 3 || el.nodeType === 8) el.nodeValue = s; else el.textContent = s; } }
function domIsFragment(el) { return el ? el.nodeType === 11 : false; }
function domIsChildOf(child, parent) { return !!(parent && child && child.parentNode === parent); }
function domIsActiveElement(el) { return _hasDom && el === document.activeElement; }
function domIsInputElement(el) {
if (!el || !el.tagName) return false;
var t = el.tagName;
return t === "INPUT" || t === "TEXTAREA" || t === "SELECT";
}
function domFirstChild(el) { return el ? el.firstChild : null; }
function domNextSibling(el) { return el ? el.nextSibling : null; }
function domChildList(el) {
if (!el || !el.childNodes) return [];
return Array.prototype.slice.call(el.childNodes);
}
function domAttrList(el) {
if (!el || !el.attributes) return [];
var r = [];
for (var i = 0; i < el.attributes.length; i++) {
r.push([el.attributes[i].name, el.attributes[i].value]);
}
return r;
}
function domInsertBefore(parent, node, ref) {
if (parent && node) parent.insertBefore(node, ref || null);
}
function domInsertAfter(ref, node) {
if (ref && ref.parentNode && node) {
ref.parentNode.insertBefore(node, ref.nextSibling);
}
}
function domRemoveChild(parent, child) {
if (parent && child && child.parentNode === parent) parent.removeChild(child);
}
function domReplaceChild(parent, newChild, oldChild) {
if (parent && newChild && oldChild) parent.replaceChild(newChild, oldChild);
}
function domSetInnerHtml(el, html) {
if (el) el.innerHTML = html;
}
function domInsertAdjacentHtml(el, pos, html) {
if (el && el.insertAdjacentHTML) el.insertAdjacentHTML(pos, html);
}
function domGetStyle(el, prop) {
return el && el.style ? el.style[prop] || "" : "";
}
function domSetStyle(el, prop, val) {
if (el && el.style) el.style[prop] = val;
}
function domGetProp(el, name) { return el ? el[name] : NIL; }
function domSetProp(el, name, val) { if (el) el[name] = val; }
function domAddClass(el, cls) {
if (el && el.classList) el.classList.add(cls);
}
function domRemoveClass(el, cls) {
if (el && el.classList) el.classList.remove(cls);
}
function domDispatch(el, name, detail) {
if (!_hasDom || !el) return false;
var evt = new CustomEvent(name, { bubbles: true, cancelable: true, detail: detail || {} });
return el.dispatchEvent(evt);
}
function domListen(el, name, handler) {
if (!_hasDom || !el) return function() {};
// Wrap SX lambdas from runtime-evaluated island code into native fns
var wrapped = isLambda(handler)
? function(e) { invoke(handler, e); }
: handler;
el.addEventListener(name, wrapped);
return function() { el.removeEventListener(name, wrapped); };
}
function eventDetail(e) {
return (e && e.detail != null) ? e.detail : nil;
}
function domQuery(sel) {
return _hasDom ? document.querySelector(sel) : null;
}
function domEnsureElement(sel) {
if (!_hasDom) return null;
var el = document.querySelector(sel);
if (el) return el;
// Parse #id selector → create div with that id, append to body
if (sel.charAt(0) === '#') {
el = document.createElement('div');
el.id = sel.slice(1);
document.body.appendChild(el);
return el;
}
return null;
}
function domQueryAll(root, sel) {
if (!root || !root.querySelectorAll) return [];
return Array.prototype.slice.call(root.querySelectorAll(sel));
}
function domTagName(el) { return el && el.tagName ? el.tagName : ""; }
// Island DOM helpers
function domRemove(node) {
if (node && node.parentNode) node.parentNode.removeChild(node);
}
function domChildNodes(el) {
if (!el || !el.childNodes) return [];
return Array.prototype.slice.call(el.childNodes);
}
function domRemoveChildrenAfter(marker) {
if (!marker || !marker.parentNode) return;
var parent = marker.parentNode;
while (marker.nextSibling) parent.removeChild(marker.nextSibling);
}
function domSetData(el, key, val) {
if (el) { if (!el._sxData) el._sxData = {}; el._sxData[key] = val; }
}
function domGetData(el, key) {
return (el && el._sxData) ? (el._sxData[key] != null ? el._sxData[key] : nil) : nil;
}
function jsonParse(s) {
try { return JSON.parse(s); } catch(e) { return {}; }
}
// renderDomComponent and renderDomElement are transpiled from
// adapter-dom.sx — no imperative overrides needed.
// =========================================================================
// Platform interface — Engine pure logic (browser + node compatible)
// =========================================================================
function browserLocationHref() {
return typeof location !== "undefined" ? location.href : "";
}
function browserSameOrigin(url) {
try { return new URL(url, location.href).origin === location.origin; }
catch (e) { return true; }
}
function browserPushState(url) {
if (typeof history !== "undefined") {
try { history.pushState({ sxUrl: url, scrollY: typeof window !== "undefined" ? window.scrollY : 0 }, "", url); }
catch (e) {}
}
}
function browserReplaceState(url) {
if (typeof history !== "undefined") {
try { history.replaceState({ sxUrl: url, scrollY: typeof window !== "undefined" ? window.scrollY : 0 }, "", url); }
catch (e) {}
}
}
function nowMs() { return Date.now(); }
function parseHeaderValue(s) {
if (!s) return null;
try {
if (s.charAt(0) === "{" && s.charAt(1) === ":") return parse(s);
return JSON.parse(s);
} catch (e) { return null; }
}
// =========================================================================
// Platform interface — Orchestration (browser-only)
// =========================================================================
// --- Browser/Network ---
function browserNavigate(url) {
if (typeof location !== "undefined") location.assign(url);
}
function browserReload() {
if (typeof location !== "undefined") location.reload();
}
function browserScrollTo(x, y) {
if (typeof window !== "undefined") window.scrollTo(x, y);
}
function browserMediaMatches(query) {
if (typeof window === "undefined") return false;
return window.matchMedia(query).matches;
}
function browserConfirm(msg) {
if (typeof window === "undefined") return false;
return window.confirm(msg);
}
function browserPrompt(msg) {
if (typeof window === "undefined") return NIL;
var r = window.prompt(msg);
return r === null ? NIL : r;
}
function csrfToken() {
if (!_hasDom) return NIL;
var m = document.querySelector('meta[name="csrf-token"]');
return m ? m.getAttribute("content") : NIL;
}
function isCrossOrigin(url) {
try {
var h = new URL(url, location.href).hostname;
return h !== location.hostname &&
(h.indexOf(".rose-ash.com") >= 0 || h.indexOf(".localhost") >= 0);
} catch (e) { return false; }
}
// --- Promises ---
function promiseResolve(val) { return Promise.resolve(val); }
function promiseThen(p, onResolve, onReject) {
if (!p || !p.then) return p;
return onReject ? p.then(onResolve, onReject) : p.then(onResolve);
}
function promiseCatch(p, fn) { return p && p.catch ? p.catch(fn) : p; }
function promiseDelayed(ms, value) {
return new Promise(function(resolve) {
setTimeout(function() { resolve(value); }, ms);
});
}
// --- Abort controllers ---
var _controllers = typeof WeakMap !== "undefined" ? new WeakMap() : null;
function abortPrevious(el) {
if (_controllers) {
var prev = _controllers.get(el);
if (prev) prev.abort();
}
}
function trackController(el, ctrl) {
if (_controllers) _controllers.set(el, ctrl);
}
function newAbortController() {
return typeof AbortController !== "undefined" ? new AbortController() : { signal: null, abort: function() {} };
}
function controllerSignal(ctrl) { return ctrl ? ctrl.signal : null; }
function isAbortError(err) { return err && err.name === "AbortError"; }
// --- Timers ---
function _wrapSxFn(fn) {
if (fn && fn._lambda) {
return function() { return trampoline(callLambda(fn, [], lambdaClosure(fn))); };
}
return fn;
}
function setTimeout_(fn, ms) { return setTimeout(_wrapSxFn(fn), ms || 0); }
function setInterval_(fn, ms) { return setInterval(_wrapSxFn(fn), ms || 1000); }
function clearTimeout_(id) { clearTimeout(id); }
function clearInterval_(id) { clearInterval(id); }
function requestAnimationFrame_(fn) {
var cb = _wrapSxFn(fn);
if (typeof requestAnimationFrame !== "undefined") requestAnimationFrame(cb);
else setTimeout(cb, 16);
}
// --- Fetch ---
function fetchRequest(config, successFn, errorFn) {
var opts = { method: config.method, headers: config.headers };
if (config.signal) opts.signal = config.signal;
if (config.body && config.method !== "GET") opts.body = config.body;
if (config["cross-origin"]) opts.credentials = "include";
var p = (config.preloaded && config.preloaded !== NIL)
? Promise.resolve({
ok: true, status: 200,
headers: new Headers({ "Content-Type": config.preloaded["content-type"] || "" }),
text: function() { return Promise.resolve(config.preloaded.text); }
})
: fetch(config.url, opts);
return p.then(function(resp) {
return resp.text().then(function(text) {
var getHeader = function(name) {
var v = resp.headers.get(name);
return v === null ? NIL : v;
};
return successFn(resp.ok, resp.status, getHeader, text);
});
}).catch(function(err) {
return errorFn(err);
});
}
function fetchLocation(headerVal) {
if (!_hasDom) return;
var locUrl = headerVal;
try { var obj = JSON.parse(headerVal); locUrl = obj.path || obj; } catch (e) {}
fetch(locUrl, { headers: { "SX-Request": "true" } }).then(function(r) {
return r.text().then(function(t) {
var main = document.getElementById("main-panel");
if (main) {
main.innerHTML = t;
postSwap(main);
try { history.pushState({ sxUrl: locUrl }, "", locUrl); } catch (e) {}
}
});
});
}
function fetchAndRestore(main, url, headers, scrollY) {
var opts = { headers: headers };
try {
var h = new URL(url, location.href).hostname;
if (h !== location.hostname &&
(h.indexOf(".rose-ash.com") >= 0 || h.indexOf(".localhost") >= 0)) {
opts.credentials = "include";
}
} catch (e) {}
fetch(url, opts).then(function(resp) {
return resp.text().then(function(text) {
text = stripComponentScripts(text);
text = extractResponseCss(text);
text = text.trim();
if (text.charAt(0) === "(") {
try {
var dom = sxRender(text);
var container = document.createElement("div");
container.appendChild(dom);
processOobSwaps(container, function(t, oob, s) {
swapDomNodes(t, oob, s);
sxHydrate(t);
processElements(t);
});
var newMain = container.querySelector("#main-panel");
morphChildren(main, newMain || container);
postSwap(main);
if (typeof window !== "undefined") window.scrollTo(0, scrollY || 0);
} catch (err) {
console.error("sx-ref popstate error:", err);
location.reload();
}
} else {
var parser = new DOMParser();
var doc = parser.parseFromString(text, "text/html");
var newMain = doc.getElementById("main-panel");
if (newMain) {
morphChildren(main, newMain);
postSwap(main);
if (typeof window !== "undefined") window.scrollTo(0, scrollY || 0);
} else {
location.reload();
}
}
});
}).catch(function() { location.reload(); });
}
function fetchStreaming(target, url, headers) {
// Streaming fetch for multi-stream pages.
// First chunk = OOB SX swap (shell with skeletons).
// Subsequent chunks = __sxResolve script tags filling suspense slots.
var opts = { headers: headers };
try {
var h = new URL(url, location.href).hostname;
if (h !== location.hostname &&
(h.indexOf(".rose-ash.com") >= 0 || h.indexOf(".localhost") >= 0)) {
opts.credentials = "include";
}
} catch (e) {}
fetch(url, opts).then(function(resp) {
if (!resp.ok || !resp.body) {
// Fallback: non-streaming
return resp.text().then(function(text) {
text = stripComponentScripts(text);
text = extractResponseCss(text);
text = text.trim();
if (text.charAt(0) === "(") {
var dom = sxRender(text);
var container = document.createElement("div");
container.appendChild(dom);
processOobSwaps(container, function(t, oob, s) {
swapDomNodes(t, oob, s);
sxHydrate(t);
processElements(t);
});
var newMain = container.querySelector("#main-panel");
morphChildren(target, newMain || container);
postSwap(target);
}
});
}
var reader = resp.body.getReader();
var decoder = new TextDecoder();
var buffer = "";
var initialSwapDone = false;
// Regex to match __sxResolve script tags
var RESOLVE_START = "";
function processResolveScripts() {
// Strip and load any extra component defs before resolve scripts
buffer = stripSxScripts(buffer);
var idx;
while ((idx = buffer.indexOf(RESOLVE_START)) >= 0) {
var endIdx = buffer.indexOf(RESOLVE_END, idx);
if (endIdx < 0) break; // incomplete, wait for more data
var argsStr = buffer.substring(idx + RESOLVE_START.length, endIdx);
buffer = buffer.substring(endIdx + RESOLVE_END.length);
// argsStr is: "stream-id","sx source"
var commaIdx = argsStr.indexOf(",");
if (commaIdx >= 0) {
try {
var id = JSON.parse(argsStr.substring(0, commaIdx));
var sx = JSON.parse(argsStr.substring(commaIdx + 1));
if (typeof Sx !== "undefined" && Sx.resolveSuspense) {
Sx.resolveSuspense(id, sx);
}
} catch (e) {
console.error("[sx-ref] resolve parse error:", e);
}
}
}
}
function pump() {
return reader.read().then(function(result) {
buffer += decoder.decode(result.value || new Uint8Array(), { stream: !result.done });
if (!initialSwapDone) {
// Look for the first resolve script — everything before it is OOB content
var scriptIdx = buffer.indexOf(" (without data-components).
// These contain extra component defs from streaming resolve chunks.
var SxObj = typeof Sx !== "undefined" ? Sx : null;
return text.replace(/]*type="text\/sx"[^>]*>([\s\S]*?)<\/script>/gi,
function(_, defs) { if (SxObj && SxObj.loadComponents) SxObj.loadComponents(defs); return ""; });
}
function extractResponseCss(text) {
if (!_hasDom) return text;
var target = document.getElementById("sx-css");
if (!target) return text;
return text.replace(/]*data-sx-css[^>]*>([\s\S]*?)<\/style>/gi,
function(_, css) { target.textContent += css; return ""; });
}
function selectFromContainer(container, sel) {
var frag = document.createDocumentFragment();
sel.split(",").forEach(function(s) {
container.querySelectorAll(s.trim()).forEach(function(m) { frag.appendChild(m); });
});
return frag;
}
function childrenToFragment(container) {
var frag = document.createDocumentFragment();
while (container.firstChild) frag.appendChild(container.firstChild);
return frag;
}
function selectHtmlFromDoc(doc, sel) {
var parts = sel.split(",").map(function(s) { return s.trim(); });
var frags = [];
parts.forEach(function(s) {
doc.querySelectorAll(s).forEach(function(m) { frags.push(m.outerHTML); });
});
return frags.join("");
}
// --- Parsing ---
function tryParseJson(s) {
if (!s) return NIL;
try { return JSON.parse(s); } catch (e) { return NIL; }
}
// =========================================================================
// Platform interface — Boot (mount, hydrate, scripts, cookies)
// =========================================================================
function resolveMountTarget(target) {
if (typeof target === "string") return _hasDom ? document.querySelector(target) : null;
return target;
}
function sxRenderWithEnv(source, extraEnv) {
var env = extraEnv ? merge(componentEnv, extraEnv) : componentEnv;
var exprs = parse(source);
if (!_hasDom) return null;
var frag = document.createDocumentFragment();
for (var i = 0; i < exprs.length; i++) {
var node = renderToDom(exprs[i], env, null);
if (node) frag.appendChild(node);
}
return frag;
}
function getRenderEnv(extraEnv) {
return extraEnv ? merge(componentEnv, extraEnv) : componentEnv;
}
function mergeEnvs(base, newEnv) {
return newEnv ? merge(componentEnv, base, newEnv) : merge(componentEnv, base);
}
function sxLoadComponents(text) {
try {
var exprs = parse(text);
for (var i = 0; i < exprs.length; i++) trampoline(evalExpr(exprs[i], componentEnv));
} catch (err) {
logParseError("loadComponents", text, err);
throw err;
}
}
function setDocumentTitle(s) {
if (_hasDom) document.title = s || "";
}
function removeHeadElement(sel) {
if (!_hasDom) return;
var old = document.head.querySelector(sel);
if (old) old.parentNode.removeChild(old);
}
function querySxScripts(root) {
if (!_hasDom) return [];
var r = (root && root !== NIL) ? root : document;
return Array.prototype.slice.call(
r.querySelectorAll('script[type="text/sx"]'));
}
function queryPageScripts() {
if (!_hasDom) return [];
return Array.prototype.slice.call(
document.querySelectorAll('script[type="text/sx-pages"]'));
}
// --- localStorage ---
function localStorageGet(key) {
try { var v = localStorage.getItem(key); return v === null ? NIL : v; }
catch (e) { return NIL; }
}
function localStorageSet(key, val) {
try { localStorage.setItem(key, val); } catch (e) {}
}
function localStorageRemove(key) {
try { localStorage.removeItem(key); } catch (e) {}
}
// --- Cookies ---
function setSxCompCookie(hash) {
if (_hasDom) document.cookie = "sx-comp-hash=" + hash + ";path=/;max-age=31536000;SameSite=Lax";
}
function clearSxCompCookie() {
if (_hasDom) document.cookie = "sx-comp-hash=;path=/;max-age=0;SameSite=Lax";
}
// --- Env helpers ---
function parseEnvAttr(el) {
var attr = el && el.getAttribute ? el.getAttribute("data-sx-env") : null;
if (!attr) return {};
try { return JSON.parse(attr); } catch (e) { return {}; }
}
function storeEnvAttr(el, base, newEnv) {
var merged = merge(base, newEnv);
if (el && el.setAttribute) el.setAttribute("data-sx-env", JSON.stringify(merged));
}
function toKebab(s) { return s.replace(/_/g, "-"); }
// --- Logging ---
function logInfo(msg) {
if (typeof console !== "undefined") console.log("[sx-ref] " + msg);
}
function logWarn(msg) {
if (typeof console !== "undefined") console.warn("[sx-ref] " + msg);
}
function logParseError(label, text, err) {
if (typeof console === "undefined") return;
var msg = err && err.message ? err.message : String(err);
var colMatch = msg.match(/col (\d+)/);
var lineMatch = msg.match(/line (\d+)/);
if (colMatch && text) {
var errLine = lineMatch ? parseInt(lineMatch[1]) : 1;
var errCol = parseInt(colMatch[1]);
var lines = text.split("\n");
var pos = 0;
for (var i = 0; i < errLine - 1 && i < lines.length; i++) pos += lines[i].length + 1;
pos += errCol;
var ws = 80;
var start = Math.max(0, pos - ws);
var end = Math.min(text.length, pos + ws);
console.error("[sx-ref] " + label + ":", msg,
"\n around error (pos ~" + pos + "):",
"\n \u00ab" + text.substring(start, pos) + "\u26d4" + text.substring(pos, end) + "\u00bb");
} else {
console.error("[sx-ref] " + label + ":", msg);
}
}
// =========================================================================
// Post-transpilation fixups
// =========================================================================
// The reference spec's call-lambda only handles Lambda objects, but HO forms
// (map, reduce, etc.) may receive native primitives. Wrap to handle both.
var _rawCallLambda = callLambda;
callLambda = function(f, args, callerEnv) {
if (typeof f === "function") return f.apply(null, args);
return _rawCallLambda(f, args, callerEnv);
};
// Expose render functions as primitives so SX code can call them
if (typeof renderToHtml === "function") PRIMITIVES["render-to-html"] = renderToHtml;
if (typeof renderToSx === "function") PRIMITIVES["render-to-sx"] = renderToSx;
if (typeof aser === "function") PRIMITIVES["aser"] = aser;
if (typeof renderToDom === "function") PRIMITIVES["render-to-dom"] = renderToDom;
// Expose signal functions as primitives so runtime-evaluated SX code
// (e.g. island bodies from .sx files) can call them
PRIMITIVES["signal"] = signal;
PRIMITIVES["signal?"] = isSignal;
PRIMITIVES["deref"] = deref;
PRIMITIVES["reset!"] = reset_b;
PRIMITIVES["swap!"] = swap_b;
PRIMITIVES["computed"] = computed;
PRIMITIVES["effect"] = effect;
PRIMITIVES["batch"] = batch;
// Timer primitives for island code
PRIMITIVES["set-interval"] = setInterval_;
PRIMITIVES["clear-interval"] = clearInterval_;
// Reactive DOM helpers for island code
PRIMITIVES["reactive-text"] = reactiveText;
PRIMITIVES["create-text-node"] = createTextNode;
PRIMITIVES["dom-set-text-content"] = domSetTextContent;
PRIMITIVES["dom-listen"] = domListen;
PRIMITIVES["dom-dispatch"] = domDispatch;
PRIMITIVES["event-detail"] = eventDetail;
PRIMITIVES["resource"] = resource;
PRIMITIVES["promise-delayed"] = promiseDelayed;
PRIMITIVES["promise-then"] = promiseThen;
PRIMITIVES["def-store"] = defStore;
PRIMITIVES["use-store"] = useStore;
PRIMITIVES["emit-event"] = emitEvent;
PRIMITIVES["on-event"] = onEvent;
PRIMITIVES["bridge-event"] = bridgeEvent;
// DOM primitives for island code
PRIMITIVES["dom-focus"] = domFocus;
PRIMITIVES["dom-tag-name"] = domTagName;
PRIMITIVES["dom-get-prop"] = domGetProp;
PRIMITIVES["stop-propagation"] = stopPropagation_;
PRIMITIVES["error-message"] = errorMessage;
PRIMITIVES["schedule-idle"] = scheduleIdle;
PRIMITIVES["invoke"] = invoke;
PRIMITIVES["error"] = function(msg) { throw new Error(msg); };
PRIMITIVES["filter"] = filter;
// =========================================================================
// Async IO: Promise-aware rendering for client-side IO primitives
// =========================================================================
//
// IO primitives (query, current-user, etc.) return Promises on the client.
// asyncRenderToDom walks the component tree; when it encounters an IO
// primitive, it awaits the Promise and continues rendering.
//
// The sync evaluator/renderer is untouched. This is a separate async path
// used only when a page's component tree contains IO references.
var IO_PRIMITIVES = {};
function registerIoPrimitive(name, fn) {
IO_PRIMITIVES[name] = fn;
}
function isPromise(x) {
return x != null && typeof x === "object" && typeof x.then === "function";
}
// Async trampoline: resolves thunks, awaits Promises
function asyncTrampoline(val) {
if (isPromise(val)) return val.then(asyncTrampoline);
if (isThunk(val)) return asyncTrampoline(evalExpr(thunkExpr(val), thunkEnv(val)));
return val;
}
// Async eval: like trampoline(evalExpr(...)) but handles IO primitives
function asyncEval(expr, env) {
// Intercept IO primitive calls at the AST level
if (Array.isArray(expr) && expr.length > 0) {
var head = expr[0];
if (head && head._sym) {
var name = head.name;
if (IO_PRIMITIVES[name]) {
// Evaluate args, then call the IO primitive
return asyncEvalIoCall(name, expr.slice(1), env);
}
}
}
// Non-IO: use sync eval, but result might be a thunk
var result = evalExpr(expr, env);
return asyncTrampoline(result);
}
function asyncEvalIoCall(name, rawArgs, env) {
// Parse keyword args and positional args, evaluating each (may be async)
var kwargs = {};
var args = [];
var promises = [];
var i = 0;
while (i < rawArgs.length) {
var arg = rawArgs[i];
if (arg && arg._kw && (i + 1) < rawArgs.length) {
var kName = arg.name;
var kVal = asyncEval(rawArgs[i + 1], env);
if (isPromise(kVal)) {
(function(k) { promises.push(kVal.then(function(v) { kwargs[k] = v; })); })(kName);
} else {
kwargs[kName] = kVal;
}
i += 2;
} else {
var aVal = asyncEval(arg, env);
if (isPromise(aVal)) {
(function(idx) { promises.push(aVal.then(function(v) { args[idx] = v; })); })(args.length);
args.push(null); // placeholder
} else {
args.push(aVal);
}
i++;
}
}
var ioFn = IO_PRIMITIVES[name];
if (promises.length > 0) {
return Promise.all(promises).then(function() { return ioFn(args, kwargs); });
}
return ioFn(args, kwargs);
}
// Async render-to-dom: returns Promise or Node
function asyncRenderToDom(expr, env, ns) {
// Literals
if (expr === NIL || expr === null || expr === undefined) return null;
if (expr === true || expr === false) return null;
if (typeof expr === "string") return document.createTextNode(expr);
if (typeof expr === "number") return document.createTextNode(String(expr));
// Symbol -> async eval then render
if (expr && expr._sym) {
var val = asyncEval(expr, env);
if (isPromise(val)) return val.then(function(v) { return asyncRenderToDom(v, env, ns); });
return asyncRenderToDom(val, env, ns);
}
// Keyword
if (expr && expr._kw) return document.createTextNode(expr.name);
// DocumentFragment / DOM nodes pass through
if (expr instanceof DocumentFragment || (expr && expr.nodeType)) return expr;
// Dict -> skip
if (expr && typeof expr === "object" && !Array.isArray(expr)) return null;
// List
if (!Array.isArray(expr) || expr.length === 0) return null;
var head = expr[0];
if (!head) return null;
// Symbol head
if (head._sym) {
var hname = head.name;
// IO primitive
if (IO_PRIMITIVES[hname]) {
var ioResult = asyncEval(expr, env);
if (isPromise(ioResult)) return ioResult.then(function(v) { return asyncRenderToDom(v, env, ns); });
return asyncRenderToDom(ioResult, env, ns);
}
// Fragment
if (hname === "<>") return asyncRenderChildren(expr.slice(1), env, ns);
// raw!
if (hname === "raw!") {
return asyncEvalRaw(expr.slice(1), env);
}
// Special forms that need async handling
if (hname === "if") return asyncRenderIf(expr, env, ns);
if (hname === "when") return asyncRenderWhen(expr, env, ns);
if (hname === "cond") return asyncRenderCond(expr, env, ns);
if (hname === "case") return asyncRenderCase(expr, env, ns);
if (hname === "let" || hname === "let*") return asyncRenderLet(expr, env, ns);
if (hname === "begin" || hname === "do") return asyncRenderChildren(expr.slice(1), env, ns);
if (hname === "map") return asyncRenderMap(expr, env, ns);
if (hname === "map-indexed") return asyncRenderMapIndexed(expr, env, ns);
if (hname === "for-each") return asyncRenderMap(expr, env, ns);
// define/defcomp/defmacro — eval for side effects
if (hname === "define" || hname === "defcomp" || hname === "defmacro" ||
hname === "defstyle" || hname === "defhandler") {
trampoline(evalExpr(expr, env));
return null;
}
// quote
if (hname === "quote") return null;
// lambda/fn
if (hname === "lambda" || hname === "fn") {
trampoline(evalExpr(expr, env));
return null;
}
// and/or — eval and render result
if (hname === "and" || hname === "or" || hname === "->") {
var aoResult = asyncEval(expr, env);
if (isPromise(aoResult)) return aoResult.then(function(v) { return asyncRenderToDom(v, env, ns); });
return asyncRenderToDom(aoResult, env, ns);
}
// set!
if (hname === "set!") {
asyncEval(expr, env);
return null;
}
// Component or Island
if (hname.charAt(0) === "~") {
var comp = env[hname];
if (comp && comp._island) return renderDomIsland(comp, expr.slice(1), env, ns);
if (comp && comp._component) return asyncRenderComponent(comp, expr.slice(1), env, ns);
if (comp && comp._macro) {
var expanded = trampoline(expandMacro(comp, expr.slice(1), env));
return asyncRenderToDom(expanded, env, ns);
}
}
// Macro
if (env[hname] && env[hname]._macro) {
var mac = env[hname];
var expanded = trampoline(expandMacro(mac, expr.slice(1), env));
return asyncRenderToDom(expanded, env, ns);
}
// HTML tag
if (typeof renderDomElement === "function" && contains(HTML_TAGS, hname)) {
return asyncRenderElement(hname, expr.slice(1), env, ns);
}
// html: prefix
if (hname.indexOf("html:") === 0) {
return asyncRenderElement(hname.slice(5), expr.slice(1), env, ns);
}
// Custom element
if (hname.indexOf("-") >= 0 && expr.length > 1 && expr[1] && expr[1]._kw) {
return asyncRenderElement(hname, expr.slice(1), env, ns);
}
// SVG context
if (ns) return asyncRenderElement(hname, expr.slice(1), env, ns);
// Fallback: eval and render
var fResult = asyncEval(expr, env);
if (isPromise(fResult)) return fResult.then(function(v) { return asyncRenderToDom(v, env, ns); });
return asyncRenderToDom(fResult, env, ns);
}
// Non-symbol head: eval call
var cResult = asyncEval(expr, env);
if (isPromise(cResult)) return cResult.then(function(v) { return asyncRenderToDom(v, env, ns); });
return asyncRenderToDom(cResult, env, ns);
}
function asyncRenderChildren(exprs, env, ns) {
var frag = document.createDocumentFragment();
var pending = [];
for (var i = 0; i < exprs.length; i++) {
var result = asyncRenderToDom(exprs[i], env, ns);
if (isPromise(result)) {
// Insert placeholder, replace when resolved
var placeholder = document.createComment("async");
frag.appendChild(placeholder);
(function(ph) {
pending.push(result.then(function(node) {
if (node) ph.parentNode.replaceChild(node, ph);
else ph.parentNode.removeChild(ph);
}));
})(placeholder);
} else if (result) {
frag.appendChild(result);
}
}
if (pending.length > 0) {
return Promise.all(pending).then(function() { return frag; });
}
return frag;
}
function asyncRenderElement(tag, args, env, ns) {
var newNs = tag === "svg" ? SVG_NS : tag === "math" ? MATH_NS : ns;
var el = domCreateElement(tag, newNs);
var pending = [];
var isVoid = contains(VOID_ELEMENTS, tag);
for (var i = 0; i < args.length; i++) {
var arg = args[i];
if (arg && arg._kw && (i + 1) < args.length) {
var attrName = arg.name;
var attrVal = asyncEval(args[i + 1], env);
i++;
if (isPromise(attrVal)) {
(function(an, av) {
pending.push(av.then(function(v) {
if (!isNil(v) && v !== false) {
if (contains(BOOLEAN_ATTRS, an)) { if (isSxTruthy(v)) el.setAttribute(an, ""); }
else if (v === true) el.setAttribute(an, "");
else el.setAttribute(an, String(v));
}
}));
})(attrName, attrVal);
} else {
if (!isNil(attrVal) && attrVal !== false) {
if (contains(BOOLEAN_ATTRS, attrName)) {
if (isSxTruthy(attrVal)) el.setAttribute(attrName, "");
} else if (attrVal === true) {
el.setAttribute(attrName, "");
} else {
el.setAttribute(attrName, String(attrVal));
}
}
}
} else if (!isVoid) {
var child = asyncRenderToDom(arg, env, newNs);
if (isPromise(child)) {
var placeholder = document.createComment("async");
el.appendChild(placeholder);
(function(ph) {
pending.push(child.then(function(node) {
if (node) ph.parentNode.replaceChild(node, ph);
else ph.parentNode.removeChild(ph);
}));
})(placeholder);
} else if (child) {
el.appendChild(child);
}
}
}
if (pending.length > 0) return Promise.all(pending).then(function() { return el; });
return el;
}
function asyncRenderComponent(comp, args, env, ns) {
var kwargs = {};
var children = [];
var pending = [];
for (var i = 0; i < args.length; i++) {
var arg = args[i];
if (arg && arg._kw && (i + 1) < args.length) {
var kName = arg.name;
var kVal = asyncEval(args[i + 1], env);
if (isPromise(kVal)) {
(function(k) { pending.push(kVal.then(function(v) { kwargs[k] = v; })); })(kName);
} else {
kwargs[kName] = kVal;
}
i++;
} else {
children.push(arg);
}
}
function doRender() {
var local = Object.create(componentClosure(comp));
for (var k in env) if (env.hasOwnProperty(k)) local[k] = env[k];
var params = componentParams(comp);
for (var j = 0; j < params.length; j++) {
local[params[j]] = params[j] in kwargs ? kwargs[params[j]] : NIL;
}
if (componentHasChildren(comp)) {
var childResult = asyncRenderChildren(children, env, ns);
if (isPromise(childResult)) {
return childResult.then(function(childFrag) {
local["children"] = childFrag;
return asyncRenderToDom(componentBody(comp), local, ns);
});
}
local["children"] = childResult;
}
return asyncRenderToDom(componentBody(comp), local, ns);
}
if (pending.length > 0) return Promise.all(pending).then(doRender);
return doRender();
}
function asyncRenderIf(expr, env, ns) {
var cond = asyncEval(expr[1], env);
if (isPromise(cond)) {
return cond.then(function(v) {
return isSxTruthy(v)
? asyncRenderToDom(expr[2], env, ns)
: (expr.length > 3 ? asyncRenderToDom(expr[3], env, ns) : null);
});
}
return isSxTruthy(cond)
? asyncRenderToDom(expr[2], env, ns)
: (expr.length > 3 ? asyncRenderToDom(expr[3], env, ns) : null);
}
function asyncRenderWhen(expr, env, ns) {
var cond = asyncEval(expr[1], env);
if (isPromise(cond)) {
return cond.then(function(v) {
return isSxTruthy(v) ? asyncRenderChildren(expr.slice(2), env, ns) : null;
});
}
return isSxTruthy(cond) ? asyncRenderChildren(expr.slice(2), env, ns) : null;
}
function asyncRenderCond(expr, env, ns) {
var clauses = expr.slice(1);
function step(idx) {
if (idx >= clauses.length) return null;
var clause = clauses[idx];
if (!Array.isArray(clause) || clause.length < 2) return step(idx + 1);
var test = clause[0];
if ((test && test._sym && (test.name === "else" || test.name === ":else")) ||
(test && test._kw && test.name === "else")) {
return asyncRenderToDom(clause[1], env, ns);
}
var v = asyncEval(test, env);
if (isPromise(v)) return v.then(function(r) { return isSxTruthy(r) ? asyncRenderToDom(clause[1], env, ns) : step(idx + 1); });
return isSxTruthy(v) ? asyncRenderToDom(clause[1], env, ns) : step(idx + 1);
}
return step(0);
}
function asyncRenderCase(expr, env, ns) {
var matchVal = asyncEval(expr[1], env);
function doCase(mv) {
var clauses = expr.slice(2);
for (var i = 0; i < clauses.length - 1; i += 2) {
var test = clauses[i];
if ((test && test._kw && test.name === "else") ||
(test && test._sym && (test.name === "else" || test.name === ":else"))) {
return asyncRenderToDom(clauses[i + 1], env, ns);
}
var tv = trampoline(evalExpr(test, env));
if (mv === tv || (typeof mv === "string" && typeof tv === "string" && mv === tv)) {
return asyncRenderToDom(clauses[i + 1], env, ns);
}
}
return null;
}
if (isPromise(matchVal)) return matchVal.then(doCase);
return doCase(matchVal);
}
function asyncRenderLet(expr, env, ns) {
var bindings = expr[1];
var local = Object.create(env);
for (var k in env) if (env.hasOwnProperty(k)) local[k] = env[k];
function bindStep(idx) {
if (!Array.isArray(bindings)) return asyncRenderChildren(expr.slice(2), local, ns);
// Nested pairs: ((a 1) (b 2))
if (bindings.length > 0 && Array.isArray(bindings[0])) {
if (idx >= bindings.length) return asyncRenderChildren(expr.slice(2), local, ns);
var b = bindings[idx];
var vname = b[0]._sym ? b[0].name : String(b[0]);
var val = asyncEval(b[1], local);
if (isPromise(val)) return val.then(function(v) { local[vname] = v; return bindStep(idx + 1); });
local[vname] = val;
return bindStep(idx + 1);
}
// Flat pairs: (a 1 b 2)
if (idx >= bindings.length) return asyncRenderChildren(expr.slice(2), local, ns);
var vn = bindings[idx]._sym ? bindings[idx].name : String(bindings[idx]);
var vv = asyncEval(bindings[idx + 1], local);
if (isPromise(vv)) return vv.then(function(v) { local[vn] = v; return bindStep(idx + 2); });
local[vn] = vv;
return bindStep(idx + 2);
}
return bindStep(0);
}
function asyncRenderMap(expr, env, ns) {
var fn = asyncEval(expr[1], env);
var coll = asyncEval(expr[2], env);
function doMap(f, c) {
if (!Array.isArray(c)) return null;
var frag = document.createDocumentFragment();
var pending = [];
for (var i = 0; i < c.length; i++) {
var item = c[i];
var result;
if (f && f._lambda) {
var lenv = Object.create(f.closure || env);
for (var k in env) if (env.hasOwnProperty(k)) lenv[k] = env[k];
lenv[f.params[0]] = item;
result = asyncRenderToDom(f.body, lenv, null);
} else if (typeof f === "function") {
var r = f(item);
result = isPromise(r) ? r.then(function(v) { return asyncRenderToDom(v, env, null); }) : asyncRenderToDom(r, env, null);
} else {
result = asyncRenderToDom(item, env, null);
}
if (isPromise(result)) {
var ph = document.createComment("async");
frag.appendChild(ph);
(function(p) { pending.push(result.then(function(n) { if (n) p.parentNode.replaceChild(n, p); else p.parentNode.removeChild(p); })); })(ph);
} else if (result) {
frag.appendChild(result);
}
}
if (pending.length) return Promise.all(pending).then(function() { return frag; });
return frag;
}
if (isPromise(fn) || isPromise(coll)) {
return Promise.all([isPromise(fn) ? fn : Promise.resolve(fn), isPromise(coll) ? coll : Promise.resolve(coll)])
.then(function(r) { return doMap(r[0], r[1]); });
}
return doMap(fn, coll);
}
function asyncRenderMapIndexed(expr, env, ns) {
var fn = asyncEval(expr[1], env);
var coll = asyncEval(expr[2], env);
function doMap(f, c) {
if (!Array.isArray(c)) return null;
var frag = document.createDocumentFragment();
var pending = [];
for (var i = 0; i < c.length; i++) {
var item = c[i];
var result;
if (f && f._lambda) {
var lenv = Object.create(f.closure || env);
for (var k in env) if (env.hasOwnProperty(k)) lenv[k] = env[k];
lenv[f.params[0]] = i;
lenv[f.params[1]] = item;
result = asyncRenderToDom(f.body, lenv, null);
} else if (typeof f === "function") {
var r = f(i, item);
result = isPromise(r) ? r.then(function(v) { return asyncRenderToDom(v, env, null); }) : asyncRenderToDom(r, env, null);
} else {
result = asyncRenderToDom(item, env, null);
}
if (isPromise(result)) {
var ph = document.createComment("async");
frag.appendChild(ph);
(function(p) { pending.push(result.then(function(n) { if (n) p.parentNode.replaceChild(n, p); else p.parentNode.removeChild(p); })); })(ph);
} else if (result) {
frag.appendChild(result);
}
}
if (pending.length) return Promise.all(pending).then(function() { return frag; });
return frag;
}
if (isPromise(fn) || isPromise(coll)) {
return Promise.all([isPromise(fn) ? fn : Promise.resolve(fn), isPromise(coll) ? coll : Promise.resolve(coll)])
.then(function(r) { return doMap(r[0], r[1]); });
}
return doMap(fn, coll);
}
function asyncEvalRaw(args, env) {
var parts = [];
var pending = [];
for (var i = 0; i < args.length; i++) {
var val = asyncEval(args[i], env);
if (isPromise(val)) {
(function(idx) {
pending.push(val.then(function(v) { parts[idx] = v; }));
})(parts.length);
parts.push(null);
} else {
parts.push(val);
}
}
function assemble() {
var html = "";
for (var j = 0; j < parts.length; j++) {
var p = parts[j];
if (p && p._rawHtml) html += p.html;
else if (typeof p === "string") html += p;
else if (p != null && !isNil(p)) html += String(p);
}
var el = document.createElement("span");
el.innerHTML = html;
var frag = document.createDocumentFragment();
while (el.firstChild) frag.appendChild(el.firstChild);
return frag;
}
if (pending.length) return Promise.all(pending).then(assemble);
return assemble();
}
// Async version of sxRenderWithEnv — returns Promise
function asyncSxRenderWithEnv(source, extraEnv) {
var env = extraEnv ? merge(componentEnv, extraEnv) : componentEnv;
var exprs = parse(source);
if (!_hasDom) return Promise.resolve(null);
return asyncRenderChildren(exprs, env, null);
}
// IO proxy cache: key → { value, expires }
var _ioCache = {};
var IO_CACHE_TTL = 300000; // 5 minutes
// Register a server-proxied IO primitive: fetches from /sx/io/
// Uses GET for short args, POST for long payloads (URL length safety).
// Results are cached client-side by (name + args) with a TTL.
function registerProxiedIo(name) {
registerIoPrimitive(name, function(args, kwargs) {
// Cache key: name + serialized args
var cacheKey = name;
for (var ci = 0; ci < args.length; ci++) cacheKey += " " + String(args[ci]);
for (var ck in kwargs) {
if (kwargs.hasOwnProperty(ck)) cacheKey += " " + ck + "=" + String(kwargs[ck]);
}
var cached = _ioCache[cacheKey];
if (cached && cached.expires > Date.now()) return cached.value;
var url = "/sx/io/" + encodeURIComponent(name);
var qs = [];
for (var i = 0; i < args.length; i++) {
qs.push("_arg" + i + "=" + encodeURIComponent(String(args[i])));
}
for (var k in kwargs) {
if (kwargs.hasOwnProperty(k)) {
qs.push(encodeURIComponent(k) + "=" + encodeURIComponent(String(kwargs[k])));
}
}
var queryStr = qs.join("&");
var fetchOpts;
if (queryStr.length > 1500) {
// POST with JSON body for long payloads
var sArgs = [];
for (var j = 0; j < args.length; j++) sArgs.push(String(args[j]));
var sKwargs = {};
for (var kk in kwargs) {
if (kwargs.hasOwnProperty(kk)) sKwargs[kk] = String(kwargs[kk]);
}
var postHeaders = { "SX-Request": "true", "Content-Type": "application/json" };
var csrf = csrfToken();
if (csrf && csrf !== NIL) postHeaders["X-CSRFToken"] = csrf;
fetchOpts = {
method: "POST",
headers: postHeaders,
body: JSON.stringify({ args: sArgs, kwargs: sKwargs })
};
} else {
if (queryStr) url += "?" + queryStr;
fetchOpts = { headers: { "SX-Request": "true" } };
}
var result = fetch(url, fetchOpts)
.then(function(resp) {
if (!resp.ok) {
logWarn("sx:io " + name + " failed " + resp.status);
return NIL;
}
return resp.text();
})
.then(function(text) {
if (!text || text === "nil") return NIL;
try {
var exprs = parse(text);
var val = exprs.length === 1 ? exprs[0] : exprs;
_ioCache[cacheKey] = { value: val, expires: Date.now() + IO_CACHE_TTL };
return val;
} catch (e) {
logWarn("sx:io " + name + " parse error: " + (e && e.message ? e.message : e));
return NIL;
}
})
.catch(function(e) {
logWarn("sx:io " + name + " network error: " + (e && e.message ? e.message : e));
return NIL;
});
// Cache the in-flight promise too (dedup concurrent calls for same args)
_ioCache[cacheKey] = { value: result, expires: Date.now() + IO_CACHE_TTL };
return result;
});
}
// Register IO deps as proxied primitives (idempotent, called per-page)
function registerIoDeps(names) {
if (!names || !names.length) return;
var registered = 0;
for (var i = 0; i < names.length; i++) {
var name = names[i];
if (!IO_PRIMITIVES[name]) {
registerProxiedIo(name);
registered++;
}
}
if (registered > 0) {
logInfo("sx:io registered " + registered + " proxied primitives: " + names.join(", "));
}
}
// Parser — compiled from parser.sx (see PLATFORM_PARSER_JS for ident char classes)
var parse = sxParse;
// =========================================================================
// Public API
// =========================================================================
var componentEnv = {};
function loadComponents(source) {
var exprs = parse(source);
for (var i = 0; i < exprs.length; i++) {
trampoline(evalExpr(exprs[i], componentEnv));
}
}
function render(source) {
if (!_hasDom) {
var exprs = parse(source);
var parts = [];
for (var i = 0; i < exprs.length; i++) parts.push(renderToHtml(exprs[i], merge(componentEnv)));
return parts.join("");
}
var exprs = parse(source);
var frag = document.createDocumentFragment();
for (var i = 0; i < exprs.length; i++) frag.appendChild(renderToDom(exprs[i], merge(componentEnv), null));
return frag;
}
function renderToString(source) {
var exprs = parse(source);
var parts = [];
for (var i = 0; i < exprs.length; i++) parts.push(renderToHtml(exprs[i], merge(componentEnv)));
return parts.join("");
}
var Sx = {
VERSION: "ref-2.0",
parse: parse,
parseAll: parse,
eval: function(expr, env) { return trampoline(evalExpr(expr, env || merge(componentEnv))); },
loadComponents: loadComponents,
render: render,
renderToString: renderToString,
serialize: serialize,
NIL: NIL,
Symbol: Symbol,
Keyword: Keyword,
isTruthy: isSxTruthy,
isNil: isNil,
componentEnv: componentEnv,
renderToHtml: function(expr, env) { return renderToHtml(expr, env || merge(componentEnv)); },
renderToSx: function(expr, env) { return renderToSx(expr, env || merge(componentEnv)); },
renderToDom: _hasDom ? function(expr, env, ns) { return renderToDom(expr, env || merge(componentEnv), ns || null); } : null,
parseTriggerSpec: typeof parseTriggerSpec === "function" ? parseTriggerSpec : null,
parseTime: typeof parseTime === "function" ? parseTime : null,
defaultTrigger: typeof defaultTrigger === "function" ? defaultTrigger : null,
parseSwapSpec: typeof parseSwapSpec === "function" ? parseSwapSpec : null,
parseRetrySpec: typeof parseRetrySpec === "function" ? parseRetrySpec : null,
nextRetryMs: typeof nextRetryMs === "function" ? nextRetryMs : null,
filterParams: typeof filterParams === "function" ? filterParams : null,
morphNode: typeof morphNode === "function" ? morphNode : null,
morphChildren: typeof morphChildren === "function" ? morphChildren : null,
swapDomNodes: typeof swapDomNodes === "function" ? swapDomNodes : null,
process: typeof processElements === "function" ? processElements : null,
executeRequest: typeof executeRequest === "function" ? executeRequest : null,
postSwap: typeof postSwap === "function" ? postSwap : null,
processScripts: typeof processSxScripts === "function" ? processSxScripts : null,
mount: typeof sxMount === "function" ? sxMount : null,
hydrate: typeof sxHydrateElements === "function" ? sxHydrateElements : null,
update: typeof sxUpdateElement === "function" ? sxUpdateElement : null,
renderComponent: typeof sxRenderComponent === "function" ? sxRenderComponent : null,
getEnv: function() { return componentEnv; },
resolveSuspense: typeof resolveSuspense === "function" ? resolveSuspense : null,
hydrateIslands: typeof sxHydrateIslands === "function" ? sxHydrateIslands : null,
disposeIsland: typeof disposeIsland === "function" ? disposeIsland : null,
init: typeof bootInit === "function" ? bootInit : null,
splitPathSegments: splitPathSegments,
parseRoutePattern: parseRoutePattern,
matchRoute: matchRoute,
findMatchingRoute: findMatchingRoute,
registerIo: typeof registerIoPrimitive === "function" ? registerIoPrimitive : null,
registerIoDeps: typeof registerIoDeps === "function" ? registerIoDeps : null,
asyncRender: typeof asyncSxRenderWithEnv === "function" ? asyncSxRenderWithEnv : null,
asyncRenderToDom: typeof asyncRenderToDom === "function" ? asyncRenderToDom : null,
signal: signal,
deref: deref,
reset: reset_b,
swap: swap_b,
computed: computed,
effect: effect,
batch: batch,
isSignal: isSignal,
makeSignal: makeSignal,
defStore: defStore,
useStore: useStore,
clearStores: clearStores,
emitEvent: emitEvent,
onEvent: onEvent,
bridgeEvent: bridgeEvent,
_version: "ref-2.0 (boot+dom+engine+html+orchestration+parser+sx, bootstrap-compiled)"
};
// --- Popstate listener ---
if (typeof window !== "undefined") {
window.addEventListener("popstate", function(e) {
handlePopstate(e && e.state ? e.state.scrollY || 0 : 0);
});
}
// --- Auto-init ---
if (typeof document !== "undefined") {
var _sxInit = function() {
bootInit();
// Process any suspense resolutions that arrived before init
if (global.__sxPending) {
for (var pi = 0; pi < global.__sxPending.length; pi++) {
resolveSuspense(global.__sxPending[pi].id, global.__sxPending[pi].sx);
}
global.__sxPending = null;
}
// Set up direct resolution for future chunks
global.__sxResolve = function(id, sx) { resolveSuspense(id, sx); };
// Register service worker for offline data caching
if ("serviceWorker" in navigator) {
navigator.serviceWorker.register("/sx-sw.js", { scope: "/" }).then(function(reg) {
logInfo("sx:sw registered (scope: " + reg.scope + ")");
}).catch(function(err) {
logWarn("sx:sw registration failed: " + (err && err.message ? err.message : err));
});
}
};
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", _sxInit);
} else {
_sxInit();
}
}
if (typeof module !== "undefined" && module.exports) module.exports = Sx;
else global.Sx = Sx;
})(typeof globalThis !== "undefined" ? globalThis : typeof window !== "undefined" ? window : this);
/**
* sx.js — S-expression parser, evaluator, and DOM renderer. [v2-debug]
*
* Client-side counterpart to shared/sx/ Python modules.
* Parses s-expression text, evaluates it, and renders to DOM nodes.
*
* Usage:
* Sx.loadComponents('(defcomp ~card (&key title) (div :class "c" title))');
* const node = Sx.render('(~card :title "Hello")');
* document.body.appendChild(node);
*/
;(function (global) {
"use strict";
// --- Types ---
/** Singleton nil — falsy placeholder. */
var NIL = Object.freeze({ _nil: true, toString: function () { return "nil"; } });
function isNil(x) { return x === NIL || x === null || x === undefined; }
function isSxTruthy(x) { return x !== false && !isNil(x); }
function Symbol(name) { this.name = name; }
Symbol.prototype.toString = function () { return this.name; };
Symbol.prototype._sym = true;
function Keyword(name) { this.name = name; }
Keyword.prototype.toString = function () { return ":" + this.name; };
Keyword.prototype._kw = true;
function Lambda(params, body, closure, name) {
this.params = params;
this.body = body;
this.closure = closure || {};
this.name = name || null;
}
Lambda.prototype._lambda = true;
function Component(name, params, hasChildren, body, closure) {
this.name = name;
this.params = params;
this.hasChildren = hasChildren;
this.body = body;
this.closure = closure || {};
}
Component.prototype._component = true;
function Macro(params, restParam, body, closure, name) {
this.params = params;
this.restParam = restParam;
this.body = body;
this.closure = closure || {};
this.name = name || null;
}
Macro.prototype._macro = true;
/** Thunk — deferred evaluation for tail-call optimization. */
function _Thunk(expr, env) { this.expr = expr; this.env = env; }
_Thunk.prototype._thunk = true;
function isThunk(x) { return x && x._thunk; }
/** Marker for pre-rendered HTML that bypasses escaping. */
function RawHTML(html) { this.html = html; }
RawHTML.prototype._raw = true;
function isSym(x) { return x && x._sym === true; }
function isKw(x) { return x && x._kw === true; }
function isLambda(x) { return x && x._lambda === true; }
function isComponent(x) { return x && x._component === true; }
function isMacro(x) { return x && x._macro === true; }
function isRaw(x) { return x && x._raw === true; }
// --- Reader macro registry ---
var _readerMacros = {};
// --- Parser ---
var RE_WS = /\s+/y;
var RE_COMMENT = /;[^\n]*/y;
var RE_STRING = /"(?:[^"\\]|\\[\s\S])*"/y;
var RE_NUMBER = /-?(?:\d+\.?\d*|\.\d+)(?:[eE][+-]?\d+)?/y;
var RE_KEYWORD = /:[a-zA-Z_~*+\-><=/!?&\[][a-zA-Z0-9_~*+\-><=/!?.:&/\[\]#,]*/y;
var RE_SYMBOL = /[a-zA-Z_~*+\-><=/!?&][a-zA-Z0-9_~*+\-><=/!?.:&]*/y;
function Tokenizer(text) {
this.text = text;
this.pos = 0;
this.line = 1;
this.col = 1;
}
Tokenizer.prototype._advance = function (count) {
for (var i = 0; i < count; i++) {
if (this.pos < this.text.length) {
if (this.text[this.pos] === "\n") { this.line++; this.col = 1; }
else { this.col++; }
this.pos++;
}
}
};
Tokenizer.prototype._skip = function () {
while (this.pos < this.text.length) {
RE_WS.lastIndex = this.pos;
var m = RE_WS.exec(this.text);
if (m && m.index === this.pos) { this._advance(m[0].length); continue; }
RE_COMMENT.lastIndex = this.pos;
m = RE_COMMENT.exec(this.text);
if (m && m.index === this.pos) { this._advance(m[0].length); continue; }
break;
}
};
Tokenizer.prototype.peek = function () {
this._skip();
return this.pos < this.text.length ? this.text[this.pos] : null;
};
Tokenizer.prototype.next = function () {
this._skip();
if (this.pos >= this.text.length) return null;
var ch = this.text[this.pos];
// Delimiters
if ("()[]{}".indexOf(ch) !== -1) { this._advance(1); return ch; }
// String
if (ch === '"') {
RE_STRING.lastIndex = this.pos;
var m = RE_STRING.exec(this.text);
if (!m || m.index !== this.pos) throw parseErr("Unterminated string", this);
this._advance(m[0].length);
var raw = m[0].slice(1, -1);
return raw.replace(/\\n/g, "\n").replace(/\\t/g, "\t")
.replace(/\\"/g, '"').replace(/\\[/]/g, "/").replace(/\\\\/g, "\\");
}
// Keyword
if (ch === ":") {
RE_KEYWORD.lastIndex = this.pos;
m = RE_KEYWORD.exec(this.text);
if (!m || m.index !== this.pos) throw parseErr("Invalid keyword", this);
this._advance(m[0].length);
return new Keyword(m[0].slice(1));
}
// Number (before symbol due to leading -)
if (isDigit(ch) || (ch === "-" && this.pos + 1 < this.text.length &&
(isDigit(this.text[this.pos + 1]) || this.text[this.pos + 1] === "."))) {
RE_NUMBER.lastIndex = this.pos;
m = RE_NUMBER.exec(this.text);
if (m && m.index === this.pos) {
this._advance(m[0].length);
var s = m[0];
return (s.indexOf(".") !== -1 || s.indexOf("e") !== -1 || s.indexOf("E") !== -1)
? parseFloat(s) : parseInt(s, 10);
}
}
// Reader macro dispatch: #
if (ch === "#") { this._advance(1); return "#"; }
// Symbol
RE_SYMBOL.lastIndex = this.pos;
m = RE_SYMBOL.exec(this.text);
if (m && m.index === this.pos) {
this._advance(m[0].length);
var name = m[0];
if (name === "true") return true;
if (name === "false") return false;
if (name === "nil") return NIL;
return new Symbol(name);
}
var ctx = this.text.substring(Math.max(0, this.pos - 40), this.pos + 40);
throw parseErr("Unexpected character: " + ch + " | context: «" + ctx.replace(/\n/g, "\\n") + "»", this);
};
Tokenizer.prototype._readRawString = function () {
var buf = [];
while (this.pos < this.text.length) {
var ch = this.text[this.pos];
if (ch === "|") { this._advance(1); return buf.join(""); }
buf.push(ch);
this._advance(1);
}
throw parseErr("Unterminated raw string", this);
};
Tokenizer.prototype._readIdent = function () {
RE_SYMBOL.lastIndex = this.pos;
var m = RE_SYMBOL.exec(this.text);
if (m && m.index === this.pos) {
this._advance(m[0].length);
return m[0];
}
throw parseErr("Expected identifier after #", this);
};
function isDigit(c) { return c >= "0" && c <= "9"; }
function parseErr(msg, tok) {
return new Error(msg + " at line " + tok.line + ", col " + tok.col);
}
function parseExpr(tok) {
// Use peek() (raw character) for structural decisions so that string
// values like ")" or "(" don't get confused with actual delimiters.
var raw = tok.peek();
if (raw === null) throw parseErr("Unexpected end of input", tok);
if (raw === ")" || raw === "]" || raw === "}") {
tok.next(); // consume the delimiter
throw parseErr("Unexpected " + raw, tok);
}
if (raw === "(") { tok.next(); return parseList(tok, ")"); }
if (raw === "[") { tok.next(); return parseList(tok, "]"); }
if (raw === "{") { tok.next(); return parseMap(tok); }
// Quasiquote syntax
if (raw === "`") { tok._advance(1); return [new Symbol("quasiquote"), parseExpr(tok)]; }
if (raw === ",") {
tok._advance(1);
if (tok.pos < tok.text.length && tok.text[tok.pos] === "@") {
tok._advance(1);
return [new Symbol("splice-unquote"), parseExpr(tok)];
}
return [new Symbol("unquote"), parseExpr(tok)];
}
// Reader macro dispatch: #
if (raw === "#") {
tok._advance(1); // consume #
if (tok.pos >= tok.text.length) throw parseErr("Unexpected end of input after #", tok);
var dispatch = tok.text[tok.pos];
if (dispatch === ";") {
tok._advance(1);
parseExpr(tok); // read and discard
return parseExpr(tok); // return next
}
if (dispatch === "|") {
tok._advance(1);
return tok._readRawString();
}
if (dispatch === "'") {
tok._advance(1);
return [new Symbol("quote"), parseExpr(tok)];
}
// Extensible dispatch: #name expr
if (/[a-zA-Z_~]/.test(dispatch)) {
var macroName = tok._readIdent();
var handler = _readerMacros[macroName];
if (!handler) throw parseErr("Unknown reader macro: #" + macroName, tok);
return handler(parseExpr(tok));
}
throw parseErr("Unknown reader macro: #" + dispatch, tok);
}
return tok.next();
}
function parseList(tok, closer) {
var items = [];
while (true) {
var c = tok.peek();
if (c === null) throw parseErr("Unterminated list, expected " + closer, tok);
if (c === closer) { tok.next(); return items; }
items.push(parseExpr(tok));
}
}
function parseMap(tok) {
var result = {};
while (true) {
var c = tok.peek();
if (c === null) throw parseErr("Unterminated map", tok);
if (c === "}") { tok.next(); return result; }
var key = parseExpr(tok);
var keyStr = isKw(key) ? key.name : String(key);
result[keyStr] = parseExpr(tok);
}
}
/** Parse a single s-expression. */
function parse(text) {
var tok = new Tokenizer(text);
var result = parseExpr(tok);
if (tok.peek() !== null) throw parseErr("Unexpected content after expression", tok);
return result;
}
/** Parse zero or more s-expressions. */
function parseAll(text) {
var tok = new Tokenizer(text);
var results = [];
while (tok.peek() !== null) results.push(parseExpr(tok));
return results;
}
/** Serialize a JS object as SX dict {:key "val" ...} for attribute values. */
function _serializeDict(obj) {
var parts = [];
for (var k in obj) {
if (!obj.hasOwnProperty(k)) continue;
var v = obj[k];
var vs = typeof v === "string" ? '"' + v.replace(/\\/g, "\\\\").replace(/"/g, '\\"') + '"' : String(v);
parts.push(":" + k + " " + vs);
}
return "{" + parts.join(" ") + "}";
}
// --- Primitives ---
var PRIMITIVES = {};
// Arithmetic
PRIMITIVES["+"] = function () { var s = 0; for (var i = 0; i < arguments.length; i++) s += arguments[i]; return s; };
PRIMITIVES["-"] = function (a, b) { return arguments.length === 1 ? -a : a - b; };
PRIMITIVES["*"] = function () { var s = 1; for (var i = 0; i < arguments.length; i++) s *= arguments[i]; return s; };
PRIMITIVES["/"] = function (a, b) { return a / b; };
PRIMITIVES["mod"] = function (a, b) { return a % b; };
PRIMITIVES["inc"] = function (n) { return n + 1; };
PRIMITIVES["dec"] = function (n) { return n - 1; };
PRIMITIVES["abs"] = Math.abs;
PRIMITIVES["floor"] = Math.floor;
PRIMITIVES["ceil"] = Math.ceil;
PRIMITIVES["round"] = Math.round;
PRIMITIVES["min"] = Math.min;
PRIMITIVES["max"] = Math.max;
PRIMITIVES["sqrt"] = Math.sqrt;
PRIMITIVES["pow"] = Math.pow;
// Comparison
PRIMITIVES["="] = function (a, b) { return a == b; }; // loose, matches Python sx
PRIMITIVES["!="] = function (a, b) { return a != b; };
PRIMITIVES["<"] = function (a, b) { return a < b; };
PRIMITIVES[">"] = function (a, b) { return a > b; };
PRIMITIVES["<="] = function (a, b) { return a <= b; };
PRIMITIVES[">="] = function (a, b) { return a >= b; };
// Logic
PRIMITIVES["not"] = function (x) { return !isSxTruthy(x); };
// String
PRIMITIVES["str"] = function () {
var parts = [];
for (var i = 0; i < arguments.length; i++) {
var v = arguments[i];
if (isNil(v)) continue;
parts.push(String(v));
}
return parts.join("");
};
PRIMITIVES["upper"] = function (s) { return String(s).toUpperCase(); };
PRIMITIVES["lower"] = function (s) { return String(s).toLowerCase(); };
PRIMITIVES["trim"] = function (s) { return String(s).trim(); };
PRIMITIVES["split"] = function (s, sep) { return String(s).split(sep); };
PRIMITIVES["join"] = function (sep, coll) { return coll.join(sep); };
PRIMITIVES["starts-with?"] = function (s, p) { return String(s).indexOf(p) === 0; };
PRIMITIVES["ends-with?"] = function (s, p) { var str = String(s); return str.indexOf(p, str.length - p.length) !== -1; };
PRIMITIVES["concat"] = function () {
var out = [];
for (var i = 0; i < arguments.length; i++) out = out.concat(arguments[i]);
return out;
};
// Predicates
PRIMITIVES["nil?"] = function (x) { return isNil(x); };
PRIMITIVES["number?"] = function (x) { return typeof x === "number"; };
PRIMITIVES["string?"] = function (x) { return typeof x === "string"; };
PRIMITIVES["list?"] = function (x) { return Array.isArray(x); };
PRIMITIVES["dict?"] = function (x) { return x !== null && typeof x === "object" && !Array.isArray(x) && !x._sym && !x._kw; };
PRIMITIVES["empty?"] = function (c) { return !c || (Array.isArray(c) ? c.length === 0 : Object.keys(c).length === 0); };
PRIMITIVES["contains?"] = function (c, k) { return typeof c === "string" ? c.indexOf(k) !== -1 : Array.isArray(c) ? c.indexOf(k) !== -1 : k in c; };
PRIMITIVES["odd?"] = function (n) { return n % 2 !== 0; };
PRIMITIVES["even?"] = function (n) { return n % 2 === 0; };
PRIMITIVES["zero?"] = function (n) { return n === 0; };
// Collections
PRIMITIVES["list"] = function () { return Array.prototype.slice.call(arguments); };
PRIMITIVES["dict"] = function () {
var d = {};
for (var i = 0; i < arguments.length - 1; i += 2) d[arguments[i]] = arguments[i + 1];
return d;
};
PRIMITIVES["get"] = function (c, k, def) { var v = (c && c[k]); return v !== undefined ? v : (def !== undefined ? def : NIL); };
PRIMITIVES["len"] = function (c) { return Array.isArray(c) ? c.length : Object.keys(c).length; };
PRIMITIVES["first"] = function (c) { return c && c.length > 0 ? c[0] : NIL; };
PRIMITIVES["last"] = function (c) { return c && c.length > 0 ? c[c.length - 1] : NIL; };
PRIMITIVES["rest"] = function (c) { return c ? c.slice(1) : []; };
PRIMITIVES["nth"] = function (c, n) { return c && n < c.length ? c[n] : NIL; };
PRIMITIVES["slice"] = function (c, start, end) { return c ? (end !== undefined && end !== NIL ? c.slice(start, end) : c.slice(start)) : c; };
PRIMITIVES["cons"] = function (x, c) { return [x].concat(c || []); };
PRIMITIVES["append"] = function (c, x) { return (c || []).concat([x]); };
PRIMITIVES["keys"] = function (d) { return Object.keys(d || {}); };
PRIMITIVES["vals"] = function (d) { var r = []; for (var k in d) r.push(d[k]); return r; };
PRIMITIVES["merge"] = function () {
var out = {};
for (var i = 0; i < arguments.length; i++) { var d = arguments[i]; for (var k in d) out[k] = d[k]; }
return out;
};
PRIMITIVES["assoc"] = function (d) {
var out = {}; for (var k in d) out[k] = d[k];
for (var i = 1; i < arguments.length - 1; i += 2) out[arguments[i]] = arguments[i + 1];
return out;
};
PRIMITIVES["range"] = function (a, b, step) {
var r = []; step = step || 1;
if (b === undefined) { b = a; a = 0; }
for (var i = a; step > 0 ? i < b : i > b; i += step) r.push(i);
return r;
};
PRIMITIVES["dissoc"] = function (d) {
var out = {}; for (var k in d) out[k] = d[k];
for (var i = 1; i < arguments.length; i++) delete out[arguments[i]];
return out;
};
PRIMITIVES["into"] = function (target, src) {
if (Array.isArray(target)) return target.concat(src || []);
var out = {}; for (var k in target) out[k] = target[k]; for (var k2 in src) out[k2] = src[k2]; return out;
};
// String operations
PRIMITIVES["replace"] = function (s, from, to) { return s ? String(s).split(from).join(to) : ""; };
PRIMITIVES["upper"] = function (s) { return s ? String(s).toUpperCase() : ""; };
PRIMITIVES["lower"] = function (s) { return s ? String(s).toLowerCase() : ""; };
PRIMITIVES["trim"] = function (s) { return s ? String(s).trim() : ""; };
PRIMITIVES["starts-with?"] = function (s, pfx) { return s ? String(s).indexOf(pfx) === 0 : false; };
PRIMITIVES["ends-with?"] = function (s, sfx) { var str = String(s || ""); return str.indexOf(sfx, str.length - sfx.length) !== -1; };
PRIMITIVES["escape"] = function (s) {
if (!s) return "";
return String(s).replace(/&/g, "&").replace(//g, ">").replace(/"/g, """);
};
PRIMITIVES["strip-tags"] = function (s) { return s ? String(s).replace(/<[^>]*>/g, "") : ""; };
PRIMITIVES["split"] = function (s, sep) { return s ? String(s).split(sep) : []; };
PRIMITIVES["join"] = function (lst, sep) { return (lst || []).join(sep !== undefined ? sep : ""); };
PRIMITIVES["pluralize"] = function (n, singular, plural) { return n === 1 ? singular : (plural || singular + "s"); };
// Numeric
PRIMITIVES["clamp"] = function (val, lo, hi) { return Math.max(lo, Math.min(hi, val)); };
PRIMITIVES["parse-int"] = function (s, def) { var n = parseInt(s, 10); return isNaN(n) ? (def !== undefined ? def : 0) : n; };
PRIMITIVES["format-decimal"] = function (n, places) { return Number(n || 0).toFixed(places !== undefined ? places : 2); };
// Date formatting (basic)
PRIMITIVES["format-date"] = function (s, fmt) {
if (!s) return "";
try {
var d = new Date(s);
if (isNaN(d.getTime())) return String(s);
// Basic strftime-like: %Y %m %d %H %M %B %b %-d
var months = ["January","February","March","April","May","June","July","August","September","October","November","December"];
var short_months = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];
return fmt.replace(/%-d/g, d.getDate()).replace(/%d/g, ("0"+d.getDate()).slice(-2))
.replace(/%B/g, months[d.getMonth()]).replace(/%b/g, short_months[d.getMonth()])
.replace(/%Y/g, d.getFullYear()).replace(/%m/g, ("0"+(d.getMonth()+1)).slice(-2))
.replace(/%H/g, ("0"+d.getHours()).slice(-2)).replace(/%M/g, ("0"+d.getMinutes()).slice(-2));
} catch (e) { return String(s); }
};
PRIMITIVES["parse-datetime"] = function (s) { return s ? String(s) : NIL; };
PRIMITIVES["split-ids"] = function (s) {
if (!s) return [];
return String(s).split(",").map(function(x) { return x.trim(); }).filter(function(x) { return x; });
};
// --- Evaluator ---
/** Unwrap thunks by re-entering the evaluator until we get an actual value. */
function trampoline(val) {
while (isThunk(val)) val = _sxEval(val.expr, val.env);
return val;
}
/** Public evaluator — trampolines thunks from tail positions. */
function sxEval(expr, env) { return trampoline(_sxEval(expr, env)); }
/** Internal evaluator — may return _Thunk for tail positions. */
function _sxEval(expr, env) {
// Literals
if (typeof expr === "number" || typeof expr === "string" || typeof expr === "boolean") return expr;
if (isNil(expr)) return NIL;
// Symbol lookup
if (isSym(expr)) {
var name = expr.name;
if (name in env) return env[name];
if (name in PRIMITIVES) return PRIMITIVES[name];
if (name === "true") return true;
if (name === "false") return false;
if (name === "nil") return NIL;
throw new Error("Undefined symbol: " + name);
}
// Keyword → its name
if (isKw(expr)) return expr.name;
// Dict literal
if (expr && typeof expr === "object" && !Array.isArray(expr) && !expr._sym && !expr._kw && !expr._raw) {
var d = {};
for (var dk in expr) d[dk] = sxEval(expr[dk], env);
return d;
}
// List
if (!Array.isArray(expr)) return expr;
if (expr.length === 0) return [];
var head = expr[0];
// Non-callable head → data list
if (!isSym(head) && !isLambda(head) && !Array.isArray(head)) {
return expr.map(function (x) { return sxEval(x, env); });
}
// Special forms
if (isSym(head)) {
var sf = SPECIAL_FORMS[head.name];
if (sf) return sf(expr, env);
var ho = HO_FORMS[head.name];
if (ho) {
// If name is also an HTML tag and first arg is Keyword → not a HO call
if (!(HTML_TAGS[head.name] && expr.length > 1 && isKw(expr[1]))) return ho(expr, env);
}
// Macro expansion
if (head.name in env) {
var macroVal = env[head.name];
if (isMacro(macroVal)) {
var expanded = expandMacro(macroVal, expr.slice(1), env);
return new _Thunk(expanded, env);
}
}
// HTML tag or component in data position — delegate to renderDOM
if (_isRenderExpr(expr)) return renderDOM(expr, env);
}
// Function call
var fn = sxEval(head, env);
var args = [];
for (var ai = 1; ai < expr.length; ai++) args.push(sxEval(expr[ai], env));
if (typeof fn === "function") return fn.apply(null, args);
if (isLambda(fn)) return callLambda(fn, args, env);
if (isComponent(fn)) return callComponent(fn, expr.slice(1), env);
throw new Error("Not callable: " + fn);
}
function callLambda(fn, args, callerEnv) {
if (args.length !== fn.params.length) {
throw new Error((fn.name || "lambda") + " expects " + fn.params.length + " args, got " + args.length);
}
var local = merge({}, fn.closure, callerEnv);
for (var i = 0; i < fn.params.length; i++) local[fn.params[i]] = args[i];
return new _Thunk(fn.body, local);
}
function callComponent(comp, rawArgs, env) {
var kwargs = {}, children = [];
var i = 0;
while (i < rawArgs.length) {
if (isKw(rawArgs[i]) && i + 1 < rawArgs.length) {
kwargs[rawArgs[i].name] = sxEval(rawArgs[i + 1], env);
i += 2;
} else {
children.push(sxEval(rawArgs[i], env));
i++;
}
}
var local = merge({}, comp.closure, env);
for (var pi = 0; pi < comp.params.length; pi++) {
var p = comp.params[pi];
local[p] = (p in kwargs) ? kwargs[p] : NIL;
}
if (comp.hasChildren) local["children"] = children;
return new _Thunk(comp.body, local);
}
// --- Shared helpers for special/render forms ---
function _processBindings(bindings, env) {
var local = merge({}, env);
if (Array.isArray(bindings)) {
if (bindings.length && Array.isArray(bindings[0])) {
for (var i = 0; i < bindings.length; i++) {
var vname = isSym(bindings[i][0]) ? bindings[i][0].name : bindings[i][0];
local[vname] = sxEval(bindings[i][1], local);
}
} else {
for (var j = 0; j < bindings.length; j += 2) {
var vn = isSym(bindings[j]) ? bindings[j].name : bindings[j];
local[vn] = sxEval(bindings[j + 1], local);
}
}
}
return local;
}
function _evalCond(clauses, env) {
if (!clauses.length) return null;
if (Array.isArray(clauses[0]) && clauses[0].length === 2) {
for (var i = 0; i < clauses.length; i++) {
var test = clauses[i][0];
if ((isSym(test) && (test.name === "else" || test.name === ":else")) ||
(isKw(test) && test.name === "else")) return clauses[i][1];
if (isSxTruthy(sxEval(test, env))) return clauses[i][1];
}
} else {
for (var j = 0; j < clauses.length - 1; j += 2) {
var t = clauses[j];
if ((isKw(t) && t.name === "else") || (isSym(t) && (t.name === ":else" || t.name === "else")))
return clauses[j + 1];
if (isSxTruthy(sxEval(t, env))) return clauses[j + 1];
}
}
return null;
}
function _logParseError(label, text, err, windowSize) {
var colMatch = err.message && err.message.match(/col (\d+)/);
var lineMatch = err.message && err.message.match(/line (\d+)/);
if (colMatch && text) {
var errLine = lineMatch ? parseInt(lineMatch[1]) : 1;
var errCol = parseInt(colMatch[1]);
var lines = text.split("\n");
var pos = 0;
for (var i = 0; i < errLine - 1 && i < lines.length; i++) pos += lines[i].length + 1;
pos += errCol;
var start = Math.max(0, pos - windowSize);
var end = Math.min(text.length, pos + windowSize);
console.error("sx.js " + label + ":", err.message,
"\n total length:", text.length, "lines:", lines.length,
"\n error line " + errLine + ":", lines[errLine - 1] ? lines[errLine - 1].substring(0, 200) : "(no such line)",
"\n around error (pos ~" + pos + "):",
"\n «" + text.substring(start, pos) + "⛔" + text.substring(pos, end) + "»");
} else {
console.error("sx.js " + label + ":", err.message || err);
}
}
// --- Special forms -------------------------------------------------------
var SPECIAL_FORMS = {};
SPECIAL_FORMS["if"] = function (expr, env) {
var cond = sxEval(expr[1], env);
if (isSxTruthy(cond)) return new _Thunk(expr[2], env);
return expr.length > 3 ? new _Thunk(expr[3], env) : NIL;
};
SPECIAL_FORMS["when"] = function (expr, env) {
if (!isSxTruthy(sxEval(expr[1], env))) return NIL;
for (var i = 2; i < expr.length - 1; i++) sxEval(expr[i], env);
return new _Thunk(expr[expr.length - 1], env);
};
SPECIAL_FORMS["cond"] = function (expr, env) {
var branch = _evalCond(expr.slice(1), env);
return branch ? new _Thunk(branch, env) : NIL;
};
SPECIAL_FORMS["case"] = function (expr, env) {
var val = sxEval(expr[1], env);
for (var i = 2; i < expr.length - 1; i += 2) {
var t = expr[i];
if ((isKw(t) && t.name === "else") || (isSym(t) && (t.name === ":else" || t.name === "else")))
return new _Thunk(expr[i + 1], env);
if (val == sxEval(t, env)) return new _Thunk(expr[i + 1], env);
}
return NIL;
};
SPECIAL_FORMS["and"] = function (expr, env) {
var result = true;
for (var i = 1; i < expr.length; i++) {
result = sxEval(expr[i], env);
if (!isSxTruthy(result)) return result;
}
return result;
};
SPECIAL_FORMS["or"] = function (expr, env) {
var result = false;
for (var i = 1; i < expr.length; i++) {
result = sxEval(expr[i], env);
if (isSxTruthy(result)) return result;
}
return result;
};
SPECIAL_FORMS["let"] = SPECIAL_FORMS["let*"] = function (expr, env) {
var local = _processBindings(expr[1], env);
for (var k = 2; k < expr.length - 1; k++) sxEval(expr[k], local);
return expr.length > 2 ? new _Thunk(expr[expr.length - 1], local) : NIL;
};
SPECIAL_FORMS["lambda"] = SPECIAL_FORMS["fn"] = function (expr, env) {
var paramsExpr = expr[1], paramNames = [];
for (var i = 0; i < paramsExpr.length; i++) {
var p = paramsExpr[i];
paramNames.push(isSym(p) ? p.name : String(p));
}
return new Lambda(paramNames, expr[2], merge({}, env));
};
SPECIAL_FORMS["define"] = function (expr, env) {
var name = expr[1].name;
var value = sxEval(expr[2], env);
if (isLambda(value) && !value.name) value.name = name;
env[name] = value;
return value;
};
SPECIAL_FORMS["defstyle"] = function (expr, env) {
var name = expr[1].name;
var value = sxEval(expr[2], env);
env[name] = value;
return value;
};
SPECIAL_FORMS["defcomp"] = function (expr, env) {
var nameSym = expr[1];
var compName = nameSym.name.replace(/^~/, "");
var paramsExpr = expr[2];
var params = [], hasChildren = false, inKey = false;
for (var i = 0; i < paramsExpr.length; i++) {
var p = paramsExpr[i];
if (isSym(p)) {
if (p.name === "&key") { inKey = true; continue; }
if (p.name === "&rest") { hasChildren = true; continue; }
if (inKey || hasChildren) { if (!hasChildren) params.push(p.name); }
else params.push(p.name);
}
}
var comp = new Component(compName, params, hasChildren, expr[3], merge({}, env));
env[nameSym.name] = comp;
return comp;
};
SPECIAL_FORMS["begin"] = SPECIAL_FORMS["do"] = function (expr, env) {
for (var i = 1; i < expr.length - 1; i++) sxEval(expr[i], env);
return expr.length > 1 ? new _Thunk(expr[expr.length - 1], env) : NIL;
};
SPECIAL_FORMS["quote"] = function (expr) { return expr[1]; };
SPECIAL_FORMS["set!"] = function (expr, env) {
var v = sxEval(expr[2], env);
env[expr[1].name] = v;
return v;
};
SPECIAL_FORMS["->"] = function (expr, env) {
var result = sxEval(expr[1], env);
for (var i = 2; i < expr.length; i++) {
var form = expr[i];
var fn, args;
if (Array.isArray(form)) {
fn = sxEval(form[0], env);
args = [result];
for (var j = 1; j < form.length; j++) args.push(sxEval(form[j], env));
} else {
fn = sxEval(form, env);
args = [result];
}
if (typeof fn === "function") result = fn.apply(null, args);
else if (isLambda(fn)) result = trampoline(callLambda(fn, args, env));
else throw new Error("-> form not callable: " + fn);
}
return result;
};
SPECIAL_FORMS["defmacro"] = function (expr, env) {
var nameSym = expr[1];
var paramsExpr = expr[2];
var params = [], restParam = null;
for (var i = 0; i < paramsExpr.length; i++) {
var p = paramsExpr[i];
if (isSym(p) && p.name === "&rest") {
if (i + 1 < paramsExpr.length) {
var rp = paramsExpr[i + 1];
restParam = isSym(rp) ? rp.name : String(rp);
}
break;
}
if (isSym(p)) params.push(p.name);
else if (typeof p === "string") params.push(p);
}
var macro = new Macro(params, restParam, expr[3], merge({}, env), nameSym.name);
env[nameSym.name] = macro;
return macro;
};
SPECIAL_FORMS["quasiquote"] = function (expr, env) {
return qqExpand(expr[1], env);
};
function qqExpand(template, env) {
if (!Array.isArray(template)) return template;
if (!template.length) return [];
var head = template[0];
if (isSym(head)) {
if (head.name === "unquote") return sxEval(template[1], env);
if (head.name === "splice-unquote") throw new Error("splice-unquote not inside a list");
}
var result = [];
for (var i = 0; i < template.length; i++) {
var item = template[i];
if (Array.isArray(item) && item.length === 2 && isSym(item[0]) && item[0].name === "splice-unquote") {
var spliced = sxEval(item[1], env);
if (Array.isArray(spliced)) { for (var j = 0; j < spliced.length; j++) result.push(spliced[j]); }
else if (!isNil(spliced)) result.push(spliced);
} else {
result.push(qqExpand(item, env));
}
}
return result;
}
function expandMacro(macro, rawArgs, env) {
var local = merge({}, macro.closure, env);
for (var i = 0; i < macro.params.length; i++) {
local[macro.params[i]] = i < rawArgs.length ? rawArgs[i] : NIL;
}
if (macro.restParam !== null) {
local[macro.restParam] = rawArgs.slice(macro.params.length);
}
return sxEval(macro.body, local);
}
// --- Higher-order forms --------------------------------------------------
var HO_FORMS = {};
HO_FORMS["map"] = function (expr, env) {
var fn = sxEval(expr[1], env), coll = sxEval(expr[2], env);
return coll.map(function (item) { return isLambda(fn) ? trampoline(callLambda(fn, [item], env)) : fn(item); });
};
HO_FORMS["map-indexed"] = function (expr, env) {
var fn = sxEval(expr[1], env), coll = sxEval(expr[2], env);
return coll.map(function (item, i) { return isLambda(fn) ? trampoline(callLambda(fn, [i, item], env)) : fn(i, item); });
};
HO_FORMS["filter"] = function (expr, env) {
var fn = sxEval(expr[1], env), coll = sxEval(expr[2], env);
return coll.filter(function (item) {
var r = isLambda(fn) ? trampoline(callLambda(fn, [item], env)) : fn(item);
return isSxTruthy(r);
});
};
HO_FORMS["reduce"] = function (expr, env) {
var fn = sxEval(expr[1], env), acc = sxEval(expr[2], env), coll = sxEval(expr[3], env);
for (var i = 0; i < coll.length; i++) acc = isLambda(fn) ? trampoline(callLambda(fn, [acc, coll[i]], env)) : fn(acc, coll[i]);
return acc;
};
HO_FORMS["some"] = function (expr, env) {
var fn = sxEval(expr[1], env), coll = sxEval(expr[2], env);
for (var i = 0; i < coll.length; i++) {
var r = isLambda(fn) ? trampoline(callLambda(fn, [coll[i]], env)) : fn(coll[i]);
if (isSxTruthy(r)) return r;
}
return NIL;
};
HO_FORMS["every?"] = function (expr, env) {
var fn = sxEval(expr[1], env), coll = sxEval(expr[2], env);
for (var i = 0; i < coll.length; i++) {
if (!isSxTruthy(isLambda(fn) ? trampoline(callLambda(fn, [coll[i]], env)) : fn(coll[i]))) return false;
}
return true;
};
HO_FORMS["for-each"] = function (expr, env) {
var fn = sxEval(expr[1], env), coll = sxEval(expr[2], env);
for (var i = 0; i < coll.length; i++) isLambda(fn) ? trampoline(callLambda(fn, [coll[i]], env)) : fn(coll[i]);
return NIL;
};
// --- DOM Renderer ---
var HTML_TAGS = makeSet(
"html head body title meta link style script base noscript " +
"header footer main nav aside section article address hgroup " +
"h1 h2 h3 h4 h5 h6 " +
"div p blockquote pre figure figcaption ul ol li dl dt dd hr " +
"a span em strong small s cite q abbr code var samp kbd sub sup " +
"i b u mark ruby rt rp bdi bdo br wbr time data " +
"ins del " +
"img picture source iframe embed object param video audio track canvas map area " +
"svg math path circle ellipse line polygon polyline rect g defs use text tspan " +
"clipPath mask linearGradient radialGradient stop filter " +
"feGaussianBlur feOffset feMerge feMergeNode " +
"feTurbulence feColorMatrix feBlend " +
"feComponentTransfer feFuncR feFuncG feFuncB feFuncA " +
"feDisplacementMap feComposite feFlood feImage " +
"feMorphology feSpecularLighting feDiffuseLighting " +
"fePointLight feSpotLight feDistantLight " +
"animate animateTransform " +
"table thead tbody tfoot tr th td caption colgroup col " +
"form fieldset legend label input button select option optgroup textarea output " +
"datalist progress meter details summary dialog template slot"
);
var VOID_ELEMENTS = makeSet(
"area base br col embed hr img input link meta param source track wbr"
);
var BOOLEAN_ATTRS = makeSet(
"async autofocus autoplay checked controls default defer disabled " +
"formnovalidate hidden inert ismap loop multiple muted nomodule " +
"novalidate open playsinline readonly required reversed selected"
);
// SVG elements that need createElementNS
var SVG_TAGS = makeSet(
"svg path circle ellipse line polygon polyline rect g defs use text tspan " +
"clipPath mask linearGradient radialGradient stop filter " +
"feGaussianBlur feOffset feMerge feMergeNode " +
"feTurbulence feColorMatrix feBlend " +
"feComponentTransfer feFuncR feFuncG feFuncB feFuncA " +
"feDisplacementMap feComposite feFlood feImage " +
"feMorphology feSpecularLighting feDiffuseLighting " +
"fePointLight feSpotLight feDistantLight " +
"animate animateTransform"
);
var SVG_NS = "http://www.w3.org/2000/svg";
var MATH_NS = "http://www.w3.org/1998/Math/MathML";
/**
* Render an s-expression to DOM node(s).
* Returns a DocumentFragment, Element, or Text node.
* @param {*} expr - s-expression
* @param {Object} env - variable bindings
* @param {string|null} ns - namespace URI (SVG_NS or MATH_NS) when inside svg/math
*/
function renderDOM(expr, env, ns) {
// nil / false → empty
if (isNil(expr) || expr === false || expr === true) return document.createDocumentFragment();
// Pre-rendered HTML
if (isRaw(expr)) {
var tpl = document.createElement("template");
tpl.innerHTML = expr.html;
return tpl.content;
}
// String → text node
if (typeof expr === "string") return document.createTextNode(expr);
// Number → text node
if (typeof expr === "number") return document.createTextNode(String(expr));
// Symbol → evaluate then render
if (isSym(expr)) return renderDOM(sxEval(expr, env), env, ns);
// Keyword → text
if (isKw(expr)) return document.createTextNode(expr.name);
// Pre-rendered DOM node → return as-is
if (expr && expr.nodeType) return expr;
// Dict → empty
if (expr && typeof expr === "object" && !Array.isArray(expr)) return document.createDocumentFragment();
// List → dispatch
if (Array.isArray(expr)) {
if (!expr.length) return document.createDocumentFragment();
return renderList(expr, env, ns);
}
return document.createTextNode(String(expr));
}
/** Render-aware special forms for DOM output. */
var RENDER_FORMS = {};
RENDER_FORMS["if"] = function (expr, env, ns) {
var cond = sxEval(expr[1], env);
if (isSxTruthy(cond)) return renderDOM(expr[2], env, ns);
return expr.length > 3 ? renderDOM(expr[3], env, ns) : document.createDocumentFragment();
};
RENDER_FORMS["when"] = function (expr, env, ns) {
if (!isSxTruthy(sxEval(expr[1], env))) return document.createDocumentFragment();
var frag = document.createDocumentFragment();
for (var i = 2; i < expr.length; i++) frag.appendChild(renderDOM(expr[i], env, ns));
return frag;
};
RENDER_FORMS["cond"] = function (expr, env, ns) {
var branch = _evalCond(expr.slice(1), env);
return branch ? renderDOM(branch, env, ns) : document.createDocumentFragment();
};
RENDER_FORMS["let"] = RENDER_FORMS["let*"] = function (expr, env, ns) {
var local = _processBindings(expr[1], env);
var frag = document.createDocumentFragment();
for (var k = 2; k < expr.length; k++) frag.appendChild(renderDOM(expr[k], local, ns));
return frag;
};
RENDER_FORMS["begin"] = RENDER_FORMS["do"] = function (expr, env, ns) {
var frag = document.createDocumentFragment();
for (var i = 1; i < expr.length; i++) frag.appendChild(renderDOM(expr[i], env, ns));
return frag;
};
RENDER_FORMS["define"] = function (expr, env) { sxEval(expr, env); return document.createDocumentFragment(); };
RENDER_FORMS["defstyle"] = function (expr, env) { sxEval(expr, env); return document.createDocumentFragment(); };
RENDER_FORMS["defcomp"] = function (expr, env) { sxEval(expr, env); return document.createDocumentFragment(); };
RENDER_FORMS["defmacro"] = function (expr, env) { sxEval(expr, env); return document.createDocumentFragment(); };
RENDER_FORMS["defhandler"] = function (expr, env) { sxEval(expr, env); return document.createDocumentFragment(); };
RENDER_FORMS["map"] = function (expr, env, ns) {
var fn = sxEval(expr[1], env), coll = sxEval(expr[2], env);
var frag = document.createDocumentFragment();
for (var i = 0; i < coll.length; i++) {
var val = isLambda(fn) ? renderLambdaDOM(fn, [coll[i]], env, ns) : renderDOM(fn(coll[i]), env, ns);
frag.appendChild(val);
}
return frag;
};
RENDER_FORMS["map-indexed"] = function (expr, env, ns) {
var fn = sxEval(expr[1], env), coll = sxEval(expr[2], env);
var frag = document.createDocumentFragment();
for (var i = 0; i < coll.length; i++) {
var val = isLambda(fn) ? renderLambdaDOM(fn, [i, coll[i]], env, ns) : renderDOM(fn(i, coll[i]), env, ns);
frag.appendChild(val);
}
return frag;
};
RENDER_FORMS["filter"] = function (expr, env, ns) {
var result = sxEval(expr, env);
return renderDOM(result, env, ns);
};
RENDER_FORMS["for-each"] = function (expr, env, ns) {
var fn = sxEval(expr[1], env), coll = sxEval(expr[2], env);
var frag = document.createDocumentFragment();
for (var i = 0; i < coll.length; i++) {
var val = isLambda(fn) ? renderLambdaDOM(fn, [coll[i]], env, ns) : renderDOM(fn(coll[i]), env, ns);
frag.appendChild(val);
}
return frag;
};
function renderLambdaDOM(fn, args, env, ns) {
var local = merge({}, fn.closure, env);
for (var i = 0; i < fn.params.length; i++) local[fn.params[i]] = args[i];
return renderDOM(fn.body, local, ns);
}
/** True when the array expr is a render-only form (HTML tag, <>, raw!, ~comp). */
function _isRenderExpr(v) {
if (!Array.isArray(v) || !v.length) return false;
var h = v[0];
if (!isSym(h)) return false;
var n = h.name;
return !!(HTML_TAGS[n] || SVG_TAGS[n] || n === "<>" || n === "raw!" || n.charAt(0) === "~" || n.indexOf("html:") === 0 || (n.indexOf("-") > 0 && v.length > 1 && isKw(v[1])));
}
function renderComponentDOM(comp, args, env) {
var kwargs = {}, children = [];
var i = 0;
while (i < args.length) {
if (isKw(args[i]) && i + 1 < args.length) {
// Evaluate kwarg values eagerly in the caller's env so expressions
// like (get t "src") resolve while lambda params are still bound.
var v = args[i + 1];
if (typeof v === "string" || typeof v === "number" ||
typeof v === "boolean" || isNil(v) || isKw(v)) {
kwargs[args[i].name] = v;
} else if (isSym(v)) {
kwargs[args[i].name] = sxEval(v, env);
} else if (Array.isArray(v) && v.length && isSym(v[0])) {
// Expression with Symbol head — evaluate in caller's env.
// Render-only forms go through renderDOM; data exprs through sxEval.
if (_isRenderExpr(v)) {
kwargs[args[i].name] = renderDOM(v, env);
} else {
kwargs[args[i].name] = sxEval(v, env);
}
} else {
// Data arrays, dicts, etc — evaluate in caller's env
kwargs[args[i].name] = sxEval(v, env);
}
i += 2;
} else {
children.push(args[i]);
i++;
}
}
var local = merge({}, comp.closure, env);
for (var pi = 0; pi < comp.params.length; pi++) {
var p = comp.params[pi];
local[p] = (p in kwargs) ? kwargs[p] : NIL;
}
if (comp.hasChildren) {
// Pre-render children to a fragment, wrap as RawHTML for raw! compatibility
var childFrag = document.createDocumentFragment();
for (var ci = 0; ci < children.length; ci++) childFrag.appendChild(renderDOM(children[ci], env));
local["children"] = childFrag;
}
return renderDOM(comp.body, local);
}
function renderList(expr, env, ns) {
var head = expr[0];
if (isSym(head)) {
var name = head.name;
// raw! → insert unescaped
if (name === "raw!") {
var frag = document.createDocumentFragment();
for (var ri = 1; ri < expr.length; ri++) {
var val = sxEval(expr[ri], env);
if (typeof val === "string") {
var tpl = document.createElement("template");
tpl.innerHTML = val;
// Scripts in innerHTML don't execute — recreate them as live elements
var deadScripts = tpl.content.querySelectorAll("script");
for (var si = 0; si < deadScripts.length; si++) {
var dead = deadScripts[si];
var live = document.createElement("script");
for (var ai = 0; ai < dead.attributes.length; ai++)
live.setAttribute(dead.attributes[ai].name, dead.attributes[ai].value);
live.textContent = dead.textContent;
dead.parentNode.replaceChild(live, dead);
}
frag.appendChild(tpl.content);
} else if (val && val.nodeType) {
// Already a DOM node (e.g. from children fragment)
frag.appendChild(val.cloneNode ? val.cloneNode(true) : val);
} else if (!isNil(val)) {
frag.appendChild(document.createTextNode(String(val)));
}
}
return frag;
}
// <> → fragment
if (name === "<>") {
var f = document.createDocumentFragment();
for (var fi = 1; fi < expr.length; fi++) f.appendChild(renderDOM(expr[fi], env, ns));
return f;
}
// html: prefix → force element rendering
if (name.indexOf("html:") === 0) return renderElement(name.substring(5), expr.slice(1), env, ns);
// Render-aware special forms
// If name is also an HTML tag and (keyword arg or SVG/MathML ns) → tag call
if (RENDER_FORMS[name]) {
if (HTML_TAGS[name] && ((expr.length > 1 && isKw(expr[1])) || ns)) return renderElement(name, expr.slice(1), env, ns);
return RENDER_FORMS[name](expr, env, ns);
}
// Macro expansion
if (name in env && isMacro(env[name])) {
var mExpanded = expandMacro(env[name], expr.slice(1), env);
return renderDOM(mExpanded, env, ns);
}
// HTML tag
if (HTML_TAGS[name]) return renderElement(name, expr.slice(1), env, ns);
// Component
if (name.charAt(0) === "~") {
var comp = env[name];
if (isComponent(comp)) return renderComponentDOM(comp, expr.slice(1), env);
// Unknown component — render a visible warning, don't crash
console.warn("sx.js: unknown component " + name);
var warn = document.createElement("div");
warn.setAttribute("style",
"background:#fef2f2;border:1px solid #fca5a5;color:#991b1b;" +
"padding:4px 8px;margin:2px;border-radius:4px;font-size:12px;font-family:monospace");
warn.textContent = "Unknown component: " + name;
return warn;
}
// Custom element (hyphenated name with keyword attrs) → render as element
if (name.indexOf("-") > 0 && expr.length > 1 && isKw(expr[1])) return renderElement(name, expr.slice(1), env, ns);
// SVG/MathML namespace auto-detection: inside (svg ...) or (math ...),
// unknown tags are created with the inherited namespace
if (ns) return renderElement(name, expr.slice(1), env, ns);
// Fallback: evaluate then render
return renderDOM(sxEval(expr, env), env, ns);
}
// Lambda/list head → evaluate
if (isLambda(head) || Array.isArray(head)) return renderDOM(sxEval(expr, env), env, ns);
// Data list
var dl = document.createDocumentFragment();
for (var di = 0; di < expr.length; di++) dl.appendChild(renderDOM(expr[di], env, ns));
return dl;
}
function renderElement(tag, args, env, ns) {
// Detect namespace from tag: svg → SVG_NS, math → MATH_NS
if (tag === "svg") ns = SVG_NS;
else if (tag === "math") ns = MATH_NS;
var el = ns
? document.createElementNS(ns, tag)
: (SVG_TAGS[tag] ? document.createElementNS(SVG_NS, tag) : document.createElement(tag));
var i = 0;
while (i < args.length) {
var arg = args[i];
if (isKw(arg) && i + 1 < args.length) {
var attrName = arg.name;
var attrVal = sxEval(args[i + 1], env);
i += 2;
if (isNil(attrVal) || attrVal === false) continue;
if (BOOLEAN_ATTRS[attrName]) {
if (attrVal) el.setAttribute(attrName, "");
} else if (attrVal === true) {
el.setAttribute(attrName, "");
} else {
el.setAttribute(attrName, typeof attrVal === "object" && attrVal !== null && !Array.isArray(attrVal) ? _serializeDict(attrVal) : String(attrVal));
}
} else {
// Child
if (!(tag in VOID_ELEMENTS)) {
el.appendChild(renderDOM(arg, env, ns));
}
i++;
}
}
return el;
}
// --- Helpers ---
function merge(target) {
for (var i = 1; i < arguments.length; i++) {
var src = arguments[i];
if (src) for (var k in src) target[k] = src[k];
}
return target;
}
function makeSet(str) {
var s = {}, parts = str.split(/\s+/);
for (var i = 0; i < parts.length; i++) if (parts[i]) s[parts[i]] = true;
return s;
}
/** Convert snake_case kwargs to kebab-case for sx conventions. */
function toKebab(s) { return s.replace(/_/g, "-"); }
// --- Public API ---
var _componentEnv = {};
// --- Head auto-hoist ---
var HEAD_HOIST_SELECTOR =
"meta, title, link[rel='canonical'], script[type='application/ld+json']";
function _hoistHeadElements(root) {
var els = root.querySelectorAll(HEAD_HOIST_SELECTOR);
if (!els.length) return;
var head = document.head;
for (var i = 0; i < els.length; i++) {
var el = els[i];
var tag = el.tagName.toLowerCase();
// For , replace existing
if (tag === "title") {
document.title = el.textContent || "";
el.parentNode.removeChild(el);
continue;
}
// For <meta>, remove existing with same name/property to avoid duplicates
if (tag === "meta") {
var name = el.getAttribute("name");
var prop = el.getAttribute("property");
if (name) {
var old = head.querySelector('meta[name="' + name + '"]');
if (old) old.parentNode.removeChild(old);
}
if (prop) {
var old2 = head.querySelector('meta[property="' + prop + '"]');
if (old2) old2.parentNode.removeChild(old2);
}
}
// For <link rel=canonical>, remove existing
if (tag === "link" && el.getAttribute("rel") === "canonical") {
var oldLink = head.querySelector('link[rel="canonical"]');
if (oldLink) oldLink.parentNode.removeChild(oldLink);
}
// Move from body to head
el.parentNode.removeChild(el);
head.appendChild(el);
}
}
var Sx = {
// Types
NIL: NIL,
Symbol: Symbol,
Keyword: Keyword,
// Parser
parse: parse,
parseAll: parseAll,
// Evaluator
eval: function (expr, env) { return sxEval(expr, env || _componentEnv); },
// DOM Renderer
render: function (exprOrText, extraEnv) {
var env = extraEnv ? merge({}, _componentEnv, extraEnv) : _componentEnv;
if (typeof exprOrText === "string") {
// Try single expression first; fall back to multi-expression fragment
try {
return renderDOM(parse(exprOrText), env);
} catch (e) {
var exprs = parseAll(exprOrText);
if (exprs.length === 0) throw e;
var frag = document.createDocumentFragment();
for (var i = 0; i < exprs.length; i++) {
var node = renderDOM(exprs[i], env);
if (node) frag.appendChild(node);
}
return frag;
}
}
return renderDOM(exprOrText, env);
},
/**
* Render a named component with keyword args (Python-style API).
* Sx.renderComponent("card", {title: "Hi"})
*/
renderComponent: function (name, kwargs, extraEnv) {
var fullName = name.charAt(0) === "~" ? name : "~" + name;
var env = extraEnv ? merge({}, _componentEnv, extraEnv) : _componentEnv;
var comp = env[fullName];
if (!isComponent(comp)) throw new Error("Unknown component: " + fullName);
// Build a synthetic call expression
var callExpr = [new Symbol(fullName)];
if (kwargs) {
for (var k in kwargs) {
callExpr.push(new Keyword(toKebab(k)));
callExpr.push(kwargs[k]);
}
}
return renderDOM(callExpr, env);
},
// Component management
loadComponents: function (text) {
try {
var exprs = parseAll(text);
for (var i = 0; i < exprs.length; i++) sxEval(exprs[i], _componentEnv);
} catch (err) {
_logParseError("loadComponents PARSE ERROR", text, err, 120);
throw err;
}
},
getEnv: function () { return _componentEnv; },
// Utility
isTruthy: isSxTruthy,
isNil: isNil,
/**
* Resolve a streaming suspense placeholder.
* Called by inline <script> tags that arrive during chunked transfer:
* __sxResolve("content", "(~article :title \"Hello\")")
*
* Finds the suspense wrapper by data-suspense attribute, renders the
* new SX content, and replaces the wrapper's children.
*/
resolveSuspense: function (id, sx) {
// Process any new <script type="text/sx"> tags (streaming extras)
Sx.processScripts();
var el = document.querySelector('[data-suspense="' + id + '"]');
if (!el) {
console.warn("[sx] resolveSuspense: no element for id=" + id);
return;
}
try {
var node = Sx.render(sx);
el.textContent = "";
el.appendChild(node);
if (typeof SxEngine !== "undefined") SxEngine.process(el);
Sx.hydrate(el);
el.dispatchEvent(new CustomEvent("sx:resolved", { bubbles: true, detail: { id: id } }));
} catch (e) {
console.error("[sx] resolveSuspense error for id=" + id, e);
}
},
/**
* Mount a sx expression into a DOM element, replacing its contents.
* Sx.mount(el, '(~card :title "Hi")')
* Sx.mount("#target", '(~card :title "Hi")')
* Sx.mount(el, '(~card :title name)', {name: "Jo"})
*/
mount: function (target, exprOrText, extraEnv) {
var el = typeof target === "string" ? document.querySelector(target) : target;
if (!el) return;
var node;
try {
node = Sx.render(exprOrText, extraEnv);
} catch (e) {
if (typeof exprOrText === "string") _logParseError("MOUNT PARSE ERROR", exprOrText, e, 80);
throw e;
}
el.textContent = "";
el.appendChild(node);
// Auto-hoist head elements (meta, title, link, script[ld+json]) to <head>
_hoistHeadElements(el);
// Process sx- attributes and hydrate the newly mounted content
if (typeof SxEngine !== "undefined") SxEngine.process(el);
Sx.hydrate(el);
},
/**
* Process all <script type="text/sx"> tags in the document.
* Tags with data-components load component definitions.
* Tags with data-mount="<selector>" render into that element.
*/
processScripts: function (root) {
var scripts = (root || document).querySelectorAll('script[type="text/sx"]');
for (var i = 0; i < scripts.length; i++) {
var s = scripts[i];
if (s._sxProcessed) continue;
s._sxProcessed = true;
var text = s.textContent;
// data-components: check before empty-text guard (may load from localStorage)
if (s.hasAttribute("data-components")) {
var hash = s.getAttribute("data-hash");
if (hash) {
var hasInline = text && text.trim();
try {
var cachedHash = localStorage.getItem("sx-components-hash");
if (cachedHash === hash) {
// Cache hit
if (hasInline) {
// Server sent full source (cookie was missing/stale) — update cache
localStorage.setItem("sx-components-src", text);
Sx.loadComponents(text);
console.log("[sx.js] components: downloaded (cookie stale)");
} else {
// Server omitted source — load from cache
var cached = localStorage.getItem("sx-components-src");
if (cached) {
Sx.loadComponents(cached);
console.log("[sx.js] components: cached (" + hash + ")");
} else {
// Cache entry missing — clear cookie and reload to get full source
_clearSxCompCookie();
location.reload();
return;
}
}
} else {
// Cache miss — hash mismatch
if (hasInline) {
// Server sent full source — parse and cache
localStorage.setItem("sx-components-hash", hash);
localStorage.setItem("sx-components-src", text);
Sx.loadComponents(text);
console.log("[sx.js] components: downloaded (" + hash + ")");
} else {
// Server omitted source but our cache is stale — clear and reload
localStorage.removeItem("sx-components-hash");
localStorage.removeItem("sx-components-src");
_clearSxCompCookie();
location.reload();
return;
}
}
} catch (e) {
// localStorage unavailable — fall back to inline
if (hasInline) Sx.loadComponents(text);
}
_setSxCompCookie(hash);
} else {
// Legacy: no hash attribute — just load inline
if (text && text.trim()) Sx.loadComponents(text);
}
continue;
}
if (!text || !text.trim()) continue;
// data-mount="<selector>": render into target
var mountSel = s.getAttribute("data-mount");
if (mountSel) {
var target = document.querySelector(mountSel);
if (target) Sx.mount(target, text);
continue;
}
// Default: load as components
Sx.loadComponents(text);
}
},
/**
* Bind client-side sx rendering to elements with data-sx-* attrs.
*
* Pattern:
* <div data-sx="(~card :title title)" data-sx-env='{"title":"Hi"}'>
* <!-- server-rendered HTML (hydration target) -->
* </div>
*
* Call Sx.update(el, {title: "New"}) to re-render with new data.
*/
update: function (target, newEnv) {
var el = typeof target === "string" ? document.querySelector(target) : target;
if (!el) return;
var source = el.getAttribute("data-sx");
if (!source) return;
var baseEnv = {};
var envAttr = el.getAttribute("data-sx-env");
if (envAttr) {
try { baseEnv = JSON.parse(envAttr); } catch (e) { /* ignore */ }
}
var env = merge({}, _componentEnv, baseEnv, newEnv || {});
var node = renderDOM(parse(source), env);
el.textContent = "";
el.appendChild(node);
if (newEnv) {
merge(baseEnv, newEnv);
el.setAttribute("data-sx-env", JSON.stringify(baseEnv));
}
},
/**
* Find all [data-sx] elements within root and render them.
* Useful after HTMX swaps bring in new sx-enabled elements.
*/
hydrate: function (root) {
var els = (root || document).querySelectorAll("[data-sx]");
for (var i = 0; i < els.length; i++) {
if (els[i]._sxHydrated) continue;
els[i]._sxHydrated = true;
Sx.update(els[i]);
}
},
/** Register a reader macro: Sx.registerReaderMacro("z3", fn) */
registerReaderMacro: function (name, handler) { _readerMacros[name] = handler; },
// For testing / sx-test.js
_types: { NIL: NIL, Symbol: Symbol, Keyword: Keyword, Lambda: Lambda, Component: Component, RawHTML: RawHTML },
_eval: sxEval,
_expandMacro: expandMacro,
_callLambda: function (fn, args, env) { return trampoline(callLambda(fn, args, env)); },
_renderDOM: renderDOM,
};
global.Sx = Sx;
// --- SxEngine — native fetch/swap/history engine ---
var SxEngine = (function () {
if (typeof document === "undefined") return {};
// ---- helpers ----------------------------------------------------------
var PROCESSED = "_sxBound";
var VERBS = ["get", "post", "put", "delete", "patch"];
var DEFAULT_SWAP = "outerHTML";
var _config = { globalViewTransitions: false };
/** Wrap a function in View Transition API if supported and enabled. */
function _withTransition(enabled, fn) {
if (enabled && document.startViewTransition) {
document.startViewTransition(fn);
} else {
fn();
}
}
function dispatch(el, name, detail) {
var evt = new CustomEvent(name, { bubbles: true, cancelable: true, detail: detail || {} });
return el.dispatchEvent(evt);
}
/** Parse and dispatch SX-Trigger header events.
* Value can be: "myEvent" (plain string), '{"myEvent": {"key": "val"}}' (JSON). */
function _dispatchTriggerEvents(el, headerVal) {
if (!headerVal) return;
try {
var parsed = JSON.parse(headerVal);
if (typeof parsed === "object" && parsed !== null) {
for (var evtName in parsed) dispatch(el, evtName, parsed[evtName]);
} else {
dispatch(el, String(parsed), {});
}
} catch (e) {
// Plain string — may be comma-separated event names
headerVal.split(",").forEach(function (name) {
var n = name.trim();
if (n) dispatch(el, n, {});
});
}
}
function csrfToken() {
var m = document.querySelector('meta[name="csrf-token"]');
return m ? m.getAttribute("content") : null;
}
function sameOrigin(url) {
try { return new URL(url, location.href).origin === location.origin; } catch (e) { return true; }
}
function resolveTarget(el, attr) {
var sel = el.getAttribute("sx-target") || attr;
if (!sel || sel === "this") return el;
if (sel === "closest") return el.parentElement;
return document.querySelector(sel);
}
function getVerb(el) {
for (var i = 0; i < VERBS.length; i++) {
var v = VERBS[i];
if (el.hasAttribute("sx-" + v)) return { method: v.toUpperCase(), url: el.getAttribute("sx-" + v) };
}
return null;
}
// ---- Sync manager -----------------------------------------------------
var _controllers = new WeakMap();
function abortPrevious(el) {
var prev = _controllers.get(el);
if (prev) prev.abort();
}
function trackController(el, ctrl) {
_controllers.set(el, ctrl);
}
// ---- Request executor -------------------------------------------------
function executeRequest(el, verbInfo, extraParams) {
// Re-read verb from element in case attributes were morphed since binding
var currentVerb = getVerb(el);
if (currentVerb) verbInfo = currentVerb;
var method = verbInfo.method;
var url = verbInfo.url;
// Reset retry backoff on fresh (non-retry) requests
if (!el.classList.contains("sx-error")) {
el.removeAttribute("data-sx-retry-ms");
}
// sx-media: skip if media query doesn't match
var media = el.getAttribute("sx-media");
if (media && !window.matchMedia(media).matches) return Promise.resolve();
// sx-confirm: show dialog first
var confirmMsg = el.getAttribute("sx-confirm");
if (confirmMsg) {
if (typeof Swal !== "undefined") {
return Swal.fire({
title: confirmMsg,
icon: "warning",
showCancelButton: true,
confirmButtonText: "Yes",
cancelButtonText: "Cancel"
}).then(function (result) {
if (!result.isConfirmed) return;
return _doFetch(el, verbInfo, method, url, extraParams);
});
}
if (!window.confirm(confirmMsg)) return Promise.resolve();
}
// sx-prompt: show prompt dialog, send result as SX-Prompt header
var promptMsg = el.getAttribute("sx-prompt");
if (promptMsg) {
var promptVal = window.prompt(promptMsg);
if (promptVal === null) return Promise.resolve(); // cancelled
extraParams = extraParams || {};
extraParams.promptValue = promptVal;
}
return _doFetch(el, verbInfo, method, url, extraParams);
}
function _doFetch(el, verbInfo, method, url, extraParams) {
// sx-sync: abort previous
var sync = el.getAttribute("sx-sync");
if (sync && sync.indexOf("replace") >= 0) abortPrevious(el);
var ctrl = new AbortController();
trackController(el, ctrl);
// Build headers
var headers = {
"SX-Request": "true",
"SX-Current-URL": location.href
};
var targetSel = el.getAttribute("sx-target");
if (targetSel) headers["SX-Target"] = targetSel;
// Send loaded component names so cross-domain responses can prepend missing defs
var loadedNames = Object.keys(_componentEnv).filter(function (k) {
return k.charAt(0) === "~";
});
if (loadedNames.length) headers["SX-Components"] = loadedNames.join(",");
// Send known CSS classes so server only sends new rules
var cssHeader = _getSxCssHeader();
if (cssHeader) headers["SX-Css"] = cssHeader;
// Extra headers from sx-headers (SX dict {:key "val"} or JSON)
var extraH = el.getAttribute("sx-headers");
if (extraH) {
try {
var parsed = extraH.charAt(0) === "{" && extraH.charAt(1) === ":" ? parse(extraH) : JSON.parse(extraH);
for (var k in parsed) headers[k] = String(parsed[k]);
} catch (e) { /* ignore */ }
}
// SX-Prompt header from sx-prompt dialog result
if (extraParams && extraParams.promptValue !== undefined) {
headers["SX-Prompt"] = extraParams.promptValue;
}
// CSRF for same-origin mutating requests
if (method !== "GET" && sameOrigin(url)) {
var csrf = csrfToken();
if (csrf) headers["X-CSRFToken"] = csrf;
}
// Build body
var body = null;
var isJson = el.getAttribute("sx-encoding") === "json";
if (method !== "GET") {
var form = el.closest("form") || (el.tagName === "FORM" ? el : null);
if (form) {
if (isJson) {
var fd = new FormData(form);
var obj = {};
fd.forEach(function (v, k) {
if (obj[k] !== undefined) {
if (!Array.isArray(obj[k])) obj[k] = [obj[k]];
obj[k].push(v);
} else {
obj[k] = v;
}
});
body = JSON.stringify(obj);
headers["Content-Type"] = "application/json";
} else {
body = new URLSearchParams(new FormData(form));
headers["Content-Type"] = "application/x-www-form-urlencoded";
}
}
}
// sx-params: filter form parameters
var paramsSpec = el.getAttribute("sx-params");
if (paramsSpec && body instanceof URLSearchParams) {
if (paramsSpec === "none") {
body = new URLSearchParams();
} else if (paramsSpec.indexOf("not ") === 0) {
var excluded = paramsSpec.substring(4).split(",").map(function (s) { return s.trim(); });
excluded.forEach(function (k) { body.delete(k); });
} else if (paramsSpec !== "*") {
var allowed = paramsSpec.split(",").map(function (s) { return s.trim(); });
var filtered = new URLSearchParams();
allowed.forEach(function (k) {
body.getAll(k).forEach(function (v) { filtered.append(k, v); });
});
body = filtered;
}
}
// Include extra inputs
var includeSel = el.getAttribute("sx-include");
if (includeSel && method !== "GET") {
var extras = document.querySelectorAll(includeSel);
if (!body) body = new URLSearchParams();
extras.forEach(function (inp) {
if (inp.name) body.append(inp.name, inp.value);
});
}
// sx-vals: merge extra key-value pairs
var valsAttr = el.getAttribute("sx-vals");
if (valsAttr) {
try {
var vals = valsAttr.charAt(0) === "{" && valsAttr.charAt(1) === ":" ? parse(valsAttr) : JSON.parse(valsAttr);
if (method === "GET") {
for (var vk in vals) {
url += (url.indexOf("?") >= 0 ? "&" : "?") + encodeURIComponent(vk) + "=" + encodeURIComponent(vals[vk]);
}
} else if (body instanceof URLSearchParams) {
for (var vk2 in vals) body.append(vk2, vals[vk2]);
} else if (!body) {
body = new URLSearchParams();
for (var vk3 in vals) body.append(vk3, vals[vk3]);
headers["Content-Type"] = "application/x-www-form-urlencoded";
}
} catch (e) { /* ignore */ }
}
// For GET with form data, append to URL
if (method === "GET") {
var form2 = el.closest("form") || (el.tagName === "FORM" ? el : null);
if (form2) {
var qs = new URLSearchParams(new FormData(form2)).toString();
if (qs) url += (url.indexOf("?") >= 0 ? "&" : "?") + qs;
}
// Also handle inputs/selects/textareas with name attr
if ((el.tagName === "INPUT" || el.tagName === "SELECT" || el.tagName === "TEXTAREA") && el.name) {
var param = encodeURIComponent(el.name) + "=" + encodeURIComponent(el.value);
url += (url.indexOf("?") >= 0 ? "&" : "?") + param;
}
}
// Lifecycle: beforeRequest
if (!dispatch(el, "sx:beforeRequest", { method: method, url: url })) return Promise.resolve();
// Loading state
el.classList.add("sx-request");
el.setAttribute("aria-busy", "true");
// sx-indicator: show indicator element
var indicatorSel = el.getAttribute("sx-indicator");
var indicatorEl = indicatorSel ? (document.querySelector(indicatorSel) || el.closest(indicatorSel)) : null;
if (indicatorEl) {
indicatorEl.classList.add("sx-request");
indicatorEl.style.display = "";
}
// sx-disabled-elt: disable elements during request
var disabledEltSel = el.getAttribute("sx-disabled-elt");
var disabledElts = disabledEltSel ? Array.prototype.slice.call(document.querySelectorAll(disabledEltSel)) : [];
disabledElts.forEach(function (e) { e.disabled = true; });
var fetchOpts = { method: method, headers: headers, signal: ctrl.signal };
// Cross-origin credentials for known subdomains
try {
var urlHost = new URL(url, location.href).hostname;
if (urlHost !== location.hostname &&
(urlHost.endsWith(".rose-ash.com") || urlHost.endsWith(".localhost"))) {
fetchOpts.credentials = "include";
}
} catch (e) {}
if (body && method !== "GET") fetchOpts.body = body;
// sx-preload: use cached response if available
var preloaded = method === "GET" ? _getPreloaded(url) : null;
var fetchPromise = preloaded
? Promise.resolve({ ok: true, status: 200, headers: new Headers({ "Content-Type": preloaded.contentType }), text: function () { return Promise.resolve(preloaded.text); }, _preloaded: true })
: fetch(url, fetchOpts);
return fetchPromise.then(function (resp) {
el.classList.remove("sx-request");
el.removeAttribute("aria-busy");
if (indicatorEl) { indicatorEl.classList.remove("sx-request"); indicatorEl.style.display = "none"; }
disabledElts.forEach(function (e) { e.disabled = false; });
if (!resp.ok) {
dispatch(el, "sx:responseError", { response: resp, status: resp.status });
return _handleRetry(el, verbInfo, extraParams);
}
return resp.text().then(function (text) {
dispatch(el, "sx:afterRequest", { response: resp });
// --- Response header processing ---
// SX-Redirect: navigate away (skip swap entirely)
var hdrRedirect = resp.headers.get("SX-Redirect");
if (hdrRedirect) { location.assign(hdrRedirect); return; }
// SX-Refresh: reload page (skip swap entirely)
var hdrRefresh = resp.headers.get("SX-Refresh");
if (hdrRefresh === "true") { location.reload(); return; }
// SX-Trigger: dispatch custom events on target
var hdrTrigger = resp.headers.get("SX-Trigger");
if (hdrTrigger) _dispatchTriggerEvents(el, hdrTrigger);
// Process the response
var rawSwap = el.getAttribute("sx-swap") || DEFAULT_SWAP;
var target = resolveTarget(el, null);
var selectSel = el.getAttribute("sx-select");
// SX-Retarget: server overrides target
var hdrRetarget = resp.headers.get("SX-Retarget");
if (hdrRetarget) target = document.querySelector(hdrRetarget) || target;
// SX-Reswap: server overrides swap strategy
var hdrReswap = resp.headers.get("SX-Reswap");
if (hdrReswap) rawSwap = hdrReswap;
// Parse swap style and modifiers (e.g. "innerHTML transition:true")
var swapParts = rawSwap.split(/\s+/);
var swapStyle = swapParts[0];
var useTransition = _config.globalViewTransitions;
for (var sp = 1; sp < swapParts.length; sp++) {
if (swapParts[sp] === "transition:true") useTransition = true;
else if (swapParts[sp] === "transition:false") useTransition = false;
}
// Check for text/sx content type — use direct DOM rendering path
var ct = resp.headers.get("Content-Type") || "";
if (ct.indexOf("text/sx") >= 0) {
try {
// Strip and load any <script type="text/sx" data-components> blocks
text = text.replace(/<script[^>]*type="text\/sx"[^>]*data-components[^>]*>([\s\S]*?)<\/script>/gi,
function (_, defs) { Sx.loadComponents(defs); return ""; });
// Process on-demand CSS: extract <style data-sx-css> and inject into head
text = _processCssResponse(text, resp);
var sxSource = text.trim();
// Parse and render to live DOM nodes (skip renderToString + DOMParser)
if (sxSource && sxSource.charAt(0) !== "(") {
console.error("sx.js: sxSource does not start with '(' — first 200 chars:", sxSource.substring(0, 200));
}
var sxDom = Sx.render(sxSource);
// Wrap in container for querySelectorAll (DocumentFragment doesn't support it)
var container = document.createElement("div");
container.appendChild(sxDom);
// OOB processing on live DOM nodes
_processOOBSwaps(container, _swapDOM);
// sx-select filtering
var selectedDOM;
if (selectSel) {
selectedDOM = document.createDocumentFragment();
selectSel.split(",").forEach(function (sel) {
container.querySelectorAll(sel.trim()).forEach(function (m) {
selectedDOM.appendChild(m);
});
});
} else {
// Use all remaining children
selectedDOM = document.createDocumentFragment();
while (container.firstChild) selectedDOM.appendChild(container.firstChild);
}
// Main swap using DOM morph
if (swapStyle !== "none" && target) {
_withTransition(useTransition, function () {
_swapDOM(target, selectedDOM, swapStyle);
_hoistHeadElements(target);
});
}
} catch (err) {
console.error("sx.js render error [v2]:", err, "\nsxSource first 500:", sxSource ? sxSource.substring(0, 500) : "(empty)");
return;
}
} else {
// HTML string path — existing DOMParser pipeline
var parser = new DOMParser();
var doc = parser.parseFromString(text, "text/html");
// Process any sx script blocks in the response
Sx.processScripts(doc);
// OOB processing
_processOOBSwaps(doc, function (t, o, s) { _swapContent(t, o.outerHTML, s); });
// Build final content
var content;
if (selectSel) {
var parts = selectSel.split(",").map(function (s) { return s.trim(); });
var frags = [];
parts.forEach(function (sel) {
var matches = doc.querySelectorAll(sel);
matches.forEach(function (m) { frags.push(m.outerHTML); });
});
content = frags.join("");
} else {
content = doc.body ? doc.body.innerHTML : text;
}
// Main swap
if (swapStyle !== "none" && target) {
_withTransition(useTransition, function () {
_swapContent(target, content, swapStyle);
_hoistHeadElements(target);
});
}
}
// SX-Location: server-driven client-side navigation
var hdrLocation = resp.headers.get("SX-Location");
if (hdrLocation) {
var locUrl = hdrLocation;
try { var locObj = JSON.parse(hdrLocation); locUrl = locObj.path || locObj; } catch (e) {}
fetch(locUrl, { headers: { "SX-Request": "true" } }).then(function (r) {
return r.text().then(function (t) {
var main = document.getElementById("main-panel");
if (main) { _swapContent(main, t, "innerHTML"); _postSwap(main); }
try { history.pushState({ sxUrl: locUrl }, "", locUrl); } catch (e) {}
});
});
return;
}
// History: sx-push-url (pushState) and sx-replace-url (replaceState)
var pushUrl = el.getAttribute("sx-push-url");
var replaceUrl = el.getAttribute("sx-replace-url");
// SX-Replace-Url response header overrides client-side attribute
var hdrReplaceUrl = resp.headers.get("SX-Replace-Url");
if (hdrReplaceUrl) {
try { history.replaceState({ sxUrl: hdrReplaceUrl, scrollY: window.scrollY }, "", hdrReplaceUrl); } catch (e) {}
} else if (pushUrl === "true" || (pushUrl && pushUrl !== "false")) {
var pushTarget = pushUrl === "true" ? url : pushUrl;
try {
history.pushState({ sxUrl: pushTarget, scrollY: window.scrollY }, "", pushTarget);
} catch (e) {
location.assign(pushTarget);
return;
}
} else if (replaceUrl === "true" || (replaceUrl && replaceUrl !== "false")) {
var replTarget = replaceUrl === "true" ? url : replaceUrl;
try {
history.replaceState({ sxUrl: replTarget, scrollY: window.scrollY }, "", replTarget);
} catch (e) { /* ignore */ }
}
dispatch(el, "sx:afterSwap", { target: target });
// SX-Trigger-After-Swap
var hdrTriggerSwap = resp.headers.get("SX-Trigger-After-Swap");
if (hdrTriggerSwap) _dispatchTriggerEvents(el, hdrTriggerSwap);
// Settle tick
requestAnimationFrame(function () {
dispatch(el, "sx:afterSettle", { target: target });
// SX-Trigger-After-Settle
var hdrTriggerSettle = resp.headers.get("SX-Trigger-After-Settle");
if (hdrTriggerSettle) _dispatchTriggerEvents(el, hdrTriggerSettle);
});
});
}).catch(function (err) {
el.classList.remove("sx-request");
el.removeAttribute("aria-busy");
if (indicatorEl) { indicatorEl.classList.remove("sx-request"); indicatorEl.style.display = "none"; }
disabledElts.forEach(function (e) { e.disabled = false; });
if (err.name === "AbortError") return;
dispatch(el, "sx:sendError", { error: err });
return _handleRetry(el, verbInfo, extraParams);
});
}
// ---- DOM morphing ------------------------------------------------------
/**
* Lightweight DOM reconciler — patches oldNode to match newNode in-place,
* preserving event listeners, focus, scroll position, and form state on
* keyed (id) elements.
*/
function _morphDOM(oldNode, newNode) {
// sx-preserve / sx-ignore: skip morphing entirely
if (oldNode.hasAttribute && (oldNode.hasAttribute("sx-preserve") || oldNode.hasAttribute("sx-ignore"))) return;
// Different node types or tag names → replace wholesale
if (oldNode.nodeType !== newNode.nodeType ||
oldNode.nodeName !== newNode.nodeName) {
oldNode.parentNode.replaceChild(newNode.cloneNode(true), oldNode);
return;
}
// Text/comment nodes → update content
if (oldNode.nodeType === 3 || oldNode.nodeType === 8) {
if (oldNode.nodeValue !== newNode.nodeValue)
oldNode.nodeValue = newNode.nodeValue;
return;
}
// Element nodes → sync attributes, then recurse children
if (oldNode.nodeType === 1) {
// Skip morphing focused input to preserve user's in-progress edits
if (oldNode === document.activeElement &&
(oldNode.tagName === "INPUT" || oldNode.tagName === "TEXTAREA" || oldNode.tagName === "SELECT")) {
_syncAttrs(oldNode, newNode); // sync non-value attrs (class, style, etc.)
return; // don't touch value or children
}
_syncAttrs(oldNode, newNode);
_morphChildren(oldNode, newNode);
}
}
function _syncAttrs(old, neu) {
// Add/update attributes from new
var newAttrs = neu.attributes;
for (var i = 0; i < newAttrs.length; i++) {
var a = newAttrs[i];
if (old.getAttribute(a.name) !== a.value)
old.setAttribute(a.name, a.value);
}
// Remove attributes not in new
var oldAttrs = old.attributes;
for (var j = oldAttrs.length - 1; j >= 0; j--) {
if (!neu.hasAttribute(oldAttrs[j].name))
old.removeAttribute(oldAttrs[j].name);
}
}
function _morphChildren(oldParent, newParent) {
var oldChildren = Array.prototype.slice.call(oldParent.childNodes);
var newChildren = Array.prototype.slice.call(newParent.childNodes);
// Build ID map of old children for keyed matching
var oldById = {};
for (var k = 0; k < oldChildren.length; k++) {
var kid = oldChildren[k];
if (kid.id) oldById[kid.id] = kid;
}
var oi = 0;
for (var ni = 0; ni < newChildren.length; ni++) {
var newChild = newChildren[ni];
var matchById = newChild.id ? oldById[newChild.id] : null;
if (matchById) {
// Keyed match — move into position if needed, then morph
if (matchById !== oldChildren[oi]) {
oldParent.insertBefore(matchById, oldChildren[oi] || null);
}
_morphDOM(matchById, newChild);
oi++;
} else if (oi < oldChildren.length) {
// Positional match — morph in place
var oldChild = oldChildren[oi];
if (oldChild.id && !newChild.id) {
// Old has ID, new doesn't — insert new before old (don't clobber keyed)
oldParent.insertBefore(newChild.cloneNode(true), oldChild);
} else {
_morphDOM(oldChild, newChild);
oi++;
}
} else {
// Extra new children — append
oldParent.appendChild(newChild.cloneNode(true));
}
}
// Remove leftover old children (skip sx-preserve / sx-ignore)
while (oi < oldChildren.length) {
var leftover = oldChildren[oi];
if (leftover.parentNode === oldParent &&
!(leftover.hasAttribute && (leftover.hasAttribute("sx-preserve") || leftover.hasAttribute("sx-ignore")))) {
oldParent.removeChild(leftover);
}
oi++;
}
}
// ---- DOM-native swap engine --------------------------------------------
/**
* Swap using live DOM nodes (from Sx.render) instead of HTML strings.
* Uses _morphDOM for innerHTML/outerHTML to preserve state.
*/
function _swapDOM(target, newNodes, strategy) {
// newNodes is a DocumentFragment, Element, or Text node
var wrapper;
switch (strategy) {
case "innerHTML":
// Morph children of target to match newNodes
if (newNodes.nodeType === 11) {
// DocumentFragment — morph its children into target
_morphChildren(target, newNodes);
} else {
wrapper = document.createElement("div");
wrapper.appendChild(newNodes);
_morphChildren(target, wrapper);
}
break;
case "outerHTML":
var parent = target.parentNode;
if (newNodes.nodeType === 11) {
// Fragment — morph first child, insert rest
var first = newNodes.firstChild;
if (first) {
_morphDOM(target, first);
var sib = first.nextSibling; // skip first (used as morph template, not consumed)
while (sib) {
var next = sib.nextSibling;
parent.insertBefore(sib, target.nextSibling);
sib = next;
}
} else {
parent.removeChild(target);
}
} else {
_morphDOM(target, newNodes);
}
_postSwap(parent);
return; // early return like existing outerHTML
case "afterend":
target.parentNode.insertBefore(newNodes, target.nextSibling);
break;
case "beforeend":
target.appendChild(newNodes);
break;
case "afterbegin":
target.insertBefore(newNodes, target.firstChild);
break;
case "beforebegin":
target.parentNode.insertBefore(newNodes, target);
break;
case "delete":
target.parentNode.removeChild(target);
return;
default: // fallback = innerHTML
if (newNodes.nodeType === 11) {
_morphChildren(target, newNodes);
} else {
wrapper = document.createElement("div");
wrapper.appendChild(newNodes);
_morphChildren(target, wrapper);
}
}
_postSwap(target);
}
// ---- Swap engine (string-based, kept as fallback) ----------------------
function _processOOBSwaps(container, swapFn, postSwapFn) {
["sx-swap-oob", "hx-swap-oob"].forEach(function (attr) {
container.querySelectorAll("[" + attr + "]").forEach(function (oob) {
var swapType = oob.getAttribute(attr) || "outerHTML";
var target = document.getElementById(oob.id);
oob.removeAttribute(attr);
if (oob.parentNode) oob.parentNode.removeChild(oob);
if (target) {
swapFn(target, oob, swapType);
if (postSwapFn) postSwapFn(target);
}
});
});
}
/** Scripts inserted via innerHTML/insertAdjacentHTML don't execute.
* Recreate them as live elements so the browser fetches & runs them. */
function _activateScripts(root) {
var dead = root.querySelectorAll("script:not([type]), script[type='text/javascript']");
for (var i = 0; i < dead.length; i++) {
var d = dead[i];
var live = document.createElement("script");
for (var a = 0; a < d.attributes.length; a++)
live.setAttribute(d.attributes[a].name, d.attributes[a].value);
live.textContent = d.textContent;
d.parentNode.replaceChild(live, d);
}
}
function _postSwap(root) {
_activateScripts(root);
Sx.processScripts(root);
Sx.hydrate(root);
SxEngine.process(root);
}
function _swapContent(target, html, strategy) {
switch (strategy) {
case "innerHTML":
// Detach sx-preserve elements, swap, then re-attach
var preserved = [];
target.querySelectorAll("[sx-preserve][id]").forEach(function (el) {
preserved.push({ id: el.id, node: el });
el.parentNode.removeChild(el);
});
target.innerHTML = html;
preserved.forEach(function (p) {
var placeholder = target.querySelector("#" + CSS.escape(p.id));
if (placeholder) placeholder.parentNode.replaceChild(p.node, placeholder);
else target.appendChild(p.node);
});
break;
case "outerHTML":
var tgt = target;
var parent = tgt.parentNode;
tgt.insertAdjacentHTML("afterend", html);
parent.removeChild(tgt);
_postSwap(parent);
return; // early return — afterSwap handling done inline
case "afterend":
target.insertAdjacentHTML("afterend", html);
break;
case "beforeend":
target.insertAdjacentHTML("beforeend", html);
break;
case "afterbegin":
target.insertAdjacentHTML("afterbegin", html);
break;
case "beforebegin":
target.insertAdjacentHTML("beforebegin", html);
break;
case "delete":
target.parentNode.removeChild(target);
return;
default:
target.innerHTML = html;
}
_postSwap(target);
}
// ---- Retry system -----------------------------------------------------
function _handleRetry(el, verbInfo, extraParams) {
var retry = el.getAttribute("sx-retry");
if (!retry) return;
var parts = retry.split(":");
var strategy = parts[0]; // "exponential"
var startMs = parseInt(parts[1], 10) || 1000;
var capMs = parseInt(parts[2], 10) || 30000;
var currentMs = parseInt(el.getAttribute("data-sx-retry-ms"), 10) || startMs;
el.classList.add("sx-error");
el.classList.remove("sx-loading");
setTimeout(function () {
el.classList.remove("sx-error");
el.classList.add("sx-loading");
el.setAttribute("data-sx-retry-ms", Math.min(currentMs * 2, capMs));
executeRequest(el, verbInfo, extraParams);
}, currentMs);
}
// ---- Trigger system ---------------------------------------------------
function _parseTime(s) {
// Parse time string: "2s" → 2000, "500ms" → 500, "1.5s" → 1500
if (!s) return 0;
if (s.indexOf("ms") >= 0) return parseInt(s, 10);
if (s.indexOf("s") >= 0) return parseFloat(s) * 1000;
return parseInt(s, 10);
}
function parseTrigger(spec) {
if (!spec) return null;
var triggers = [];
var parts = spec.split(",");
for (var i = 0; i < parts.length; i++) {
var p = parts[i].trim();
if (!p) continue;
var tokens = p.split(/\s+/);
// Handle "every <time>" as a special trigger
if (tokens[0] === "every" && tokens.length >= 2) {
triggers.push({ event: "every", modifiers: { interval: _parseTime(tokens[1]) } });
continue;
}
var trigger = { event: tokens[0], modifiers: {} };
for (var j = 1; j < tokens.length; j++) {
var tok = tokens[j];
if (tok === "once") trigger.modifiers.once = true;
else if (tok === "changed") trigger.modifiers.changed = true;
else if (tok.indexOf("delay:") === 0) trigger.modifiers.delay = _parseTime(tok.substring(6));
else if (tok.indexOf("from:") === 0) trigger.modifiers.from = tok.substring(5);
}
triggers.push(trigger);
}
return triggers;
}
function bindTriggers(el, verbInfo) {
var triggerSpec = el.getAttribute("sx-trigger");
var triggers;
if (triggerSpec) {
triggers = parseTrigger(triggerSpec);
} else {
// Defaults
if (el.tagName === "FORM") {
triggers = [{ event: "submit", modifiers: {} }];
} else if (el.tagName === "INPUT" || el.tagName === "SELECT" || el.tagName === "TEXTAREA") {
triggers = [{ event: "change", modifiers: {} }];
} else {
triggers = [{ event: "click", modifiers: {} }];
}
}
triggers.forEach(function (trig) {
if (trig.event === "every") {
var ms = trig.modifiers.interval || 1000;
setInterval(function () { executeRequest(el, verbInfo); }, ms);
} else if (trig.event === "intersect") {
_bindIntersect(el, verbInfo, trig.modifiers);
} else if (trig.event === "load") {
setTimeout(function () { executeRequest(el, verbInfo); }, 0);
} else if (trig.event === "revealed") {
_bindIntersect(el, verbInfo, { once: true });
} else {
_bindEvent(el, verbInfo, trig);
}
});
}
function _bindEvent(el, verbInfo, trig) {
var eventName = trig.event;
var mods = trig.modifiers;
var listenTarget = mods.from ? document.querySelector(mods.from) || el : el;
var timer = null;
var lastVal = undefined;
var handler = function (e) {
// For form submissions, prevent default
if (eventName === "submit") e.preventDefault();
// For links, prevent navigation
if (eventName === "click" && el.tagName === "A") e.preventDefault();
// sx-validate: run validation before request
var validateAttr = el.getAttribute("sx-validate");
if (validateAttr === null) {
var vForm = el.closest("[sx-validate]");
if (vForm) validateAttr = vForm.getAttribute("sx-validate");
}
if (validateAttr !== null) {
var formToValidate = el.tagName === "FORM" ? el : el.closest("form");
if (formToValidate && !formToValidate.reportValidity()) {
dispatch(el, "sx:validationFailed", {});
return;
}
// Custom validator function
if (validateAttr && validateAttr !== "true" && validateAttr !== "") {
var validatorFn = window[validateAttr];
if (typeof validatorFn === "function" && !validatorFn(el)) {
dispatch(el, "sx:validationFailed", {});
return;
}
}
}
// changed modifier: only fire if value changed
if (mods.changed && el.value !== undefined) {
if (el.value === lastVal) return;
lastVal = el.value;
}
// sx-optimistic: apply preview before request
var optimisticState = _applyOptimistic(el);
var _execAndReconcile = function () {
var p = executeRequest(el, verbInfo);
if (optimisticState && p && p.catch) {
p.catch(function () { _revertOptimistic(optimisticState); });
}
};
if (mods.delay) {
clearTimeout(timer);
timer = setTimeout(_execAndReconcile, mods.delay);
} else {
_execAndReconcile();
}
};
listenTarget.addEventListener(eventName, handler, { once: !!mods.once });
}
function _bindIntersect(el, verbInfo, mods) {
if (!("IntersectionObserver" in window)) {
executeRequest(el, verbInfo);
return;
}
var fired = false;
var delay = mods.delay || 0;
var obs = new IntersectionObserver(function (entries) {
entries.forEach(function (entry) {
if (!entry.isIntersecting) return;
if (mods.once && fired) return;
fired = true;
if (mods.once) obs.unobserve(el);
if (delay) {
setTimeout(function () { executeRequest(el, verbInfo); }, delay);
} else {
executeRequest(el, verbInfo);
}
});
});
obs.observe(el);
}
// ---- History manager --------------------------------------------------
if (typeof window !== "undefined") {
window.addEventListener("popstate", function (e) {
var url = location.href;
var main = document.getElementById("main-panel");
if (!main) { location.reload(); return; }
var histHeaders = { "SX-Request": "true", "SX-History-Restore": "true" };
var cssH = _getSxCssHeader();
if (cssH) histHeaders["SX-Css"] = cssH;
var loadedN = Object.keys(_componentEnv).filter(function (k) { return k.charAt(0) === "~"; });
if (loadedN.length) histHeaders["SX-Components"] = loadedN.join(",");
var histOpts = { headers: histHeaders };
try {
var hHost = new URL(url, location.href).hostname;
if (hHost !== location.hostname &&
(hHost.endsWith(".rose-ash.com") || hHost.endsWith(".localhost"))) {
histOpts.credentials = "include";
}
} catch (e) {}
fetch(url, histOpts).then(function (resp) {
return resp.text().then(function (t) { return { text: t, resp: resp }; });
}).then(function (r) {
var text = r.text;
var resp = r.resp;
// Strip and load any <script type="text/sx" data-components> blocks
text = text.replace(/<script[^>]*type="text\/sx"[^>]*data-components[^>]*>([\s\S]*?)<\/script>/gi,
function (_, defs) { Sx.loadComponents(defs); return ""; });
// Process on-demand CSS
text = _processCssResponse(text, resp);
text = text.trim();
if (text.charAt(0) === "(") {
// sx response — render to live DOM, morph into main
try {
var popDom = Sx.render(text);
var popContainer = document.createElement("div");
popContainer.appendChild(popDom);
// Process OOB swaps (sidebar, filter, menu, headers)
_processOOBSwaps(popContainer, _swapDOM, function (t) { Sx.hydrate(t); SxEngine.process(t); });
var newMain = popContainer.querySelector("#main-panel");
_morphChildren(main, newMain || popContainer);
_postSwap(main);
dispatch(document.body, "sx:afterSettle", { target: main });
window.scrollTo(0, e.state && e.state.scrollY || 0);
} catch (err) {
console.error("sx.js popstate render error [v2]:", err, "\ntext first 500:", text ? text.substring(0, 500) : "(empty)");
location.reload();
}
} else {
// HTML response — parse and morph
var parser = new DOMParser();
var doc = parser.parseFromString(text, "text/html");
// Process OOB swaps from HTML response
_processOOBSwaps(doc, function (t, o, s) { _swapContent(t, o.outerHTML, s); });
var newMain = doc.getElementById("main-panel");
if (newMain) {
_morphChildren(main, newMain);
_postSwap(main);
dispatch(document.body, "sx:afterSettle", { target: main });
window.scrollTo(0, e.state && e.state.scrollY || 0);
} else {
location.reload();
}
}
}).catch(function () {
location.reload();
});
});
}
// ---- sx-on:* inline event handlers ------------------------------------
function _bindInlineHandlers(el) {
var attrs = el.attributes;
for (var i = 0; i < attrs.length; i++) {
var name = attrs[i].name;
if (name.indexOf("sx-on:") === 0) {
var evtName = name.substring(6);
el.addEventListener(evtName, new Function("event", attrs[i].value));
}
}
}
// ---- sx-optimistic ----------------------------------------------------
function _applyOptimistic(el) {
var directive = el.getAttribute("sx-optimistic");
if (!directive) return null;
var target = resolveTarget(el, null) || el;
var state = { target: target, directive: directive };
if (directive === "remove") {
state.display = target.style.display;
state.opacity = target.style.opacity;
target.style.opacity = "0";
target.style.pointerEvents = "none";
} else if (directive === "disable") {
state.disabled = target.disabled;
target.disabled = true;
} else if (directive.indexOf("add-class:") === 0) {
var cls = directive.substring(10);
state.addClass = cls;
target.classList.add(cls);
}
return state;
}
function _revertOptimistic(state) {
if (!state) return;
var target = state.target;
if (state.directive === "remove") {
target.style.opacity = state.opacity || "";
target.style.pointerEvents = "";
} else if (state.directive === "disable") {
target.disabled = state.disabled || false;
} else if (state.addClass) {
target.classList.remove(state.addClass);
}
}
// ---- sx-preload -------------------------------------------------------
var _preloadCache = {};
var _PRELOAD_TTL = 30000; // 30 seconds
function _bindPreload(el) {
if (!el.hasAttribute("sx-preload")) return;
var mode = el.getAttribute("sx-preload") || "mousedown";
var events = mode === "mouseover" ? ["mouseenter", "focusin"] : ["mousedown", "focusin"];
var debounceTimer = null;
var debounceMs = mode === "mouseover" ? 100 : 0;
events.forEach(function (evt) {
el.addEventListener(evt, function () {
var verb = getVerb(el);
if (!verb) return;
var url = verb.url;
var cached = _preloadCache[url];
if (cached && (Date.now() - cached.timestamp < _PRELOAD_TTL)) return; // already cached
if (debounceMs) {
clearTimeout(debounceTimer);
debounceTimer = setTimeout(function () { _doPreload(url); }, debounceMs);
} else {
_doPreload(url);
}
});
});
}
function _doPreload(url) {
var headers = { "SX-Request": "true", "SX-Current-URL": location.href };
var cssH = _getSxCssHeader();
if (cssH) headers["SX-Css"] = cssH;
var loadedN = Object.keys(_componentEnv).filter(function (k) { return k.charAt(0) === "~"; });
if (loadedN.length) headers["SX-Components"] = loadedN.join(",");
fetch(url, { headers: headers }).then(function (resp) {
if (!resp.ok) return;
var ct = resp.headers.get("Content-Type") || "";
return resp.text().then(function (text) {
_preloadCache[url] = { text: text, contentType: ct, timestamp: Date.now() };
});
}).catch(function () { /* ignore preload errors */ });
}
function _getPreloaded(url) {
var cached = _preloadCache[url];
if (!cached) return null;
if (Date.now() - cached.timestamp > _PRELOAD_TTL) {
delete _preloadCache[url];
return null;
}
delete _preloadCache[url]; // consume once
return cached;
}
// ---- sx-boost ---------------------------------------------------------
function _processBoosted(root) {
var boostContainers = root.querySelectorAll("[sx-boost]");
if (root.matches && root.matches("[sx-boost]")) {
_boostDescendants(root);
}
for (var i = 0; i < boostContainers.length; i++) {
_boostDescendants(boostContainers[i]);
}
}
function _boostDescendants(container) {
// Boost links
var links = container.querySelectorAll("a[href]");
for (var i = 0; i < links.length; i++) {
var link = links[i];
if (link[PROCESSED] || link[PROCESSED + "boost"]) continue;
var href = link.getAttribute("href");
// Skip anchors, external, javascript:, mailto:, already sx-processed
if (!href || href.charAt(0) === "#" || href.indexOf("javascript:") === 0 ||
href.indexOf("mailto:") === 0 || !sameOrigin(href) ||
link.hasAttribute("sx-get") || link.hasAttribute("sx-post") ||
link.hasAttribute("sx-disable")) continue;
link[PROCESSED + "boost"] = true;
(function (el, url) {
el.addEventListener("click", function (e) {
e.preventDefault();
executeRequest(el, { method: "GET", url: url }).then(function () {
try { history.pushState({ sxUrl: url, scrollY: window.scrollY }, "", url); } catch (err) {}
});
});
})(link, href);
// Default target for boosted links
if (!link.hasAttribute("sx-target")) link.setAttribute("sx-target", "#main-panel");
if (!link.hasAttribute("sx-swap")) link.setAttribute("sx-swap", "innerHTML");
if (!link.hasAttribute("sx-select")) link.setAttribute("sx-select", "#main-panel");
}
// Boost forms
var forms = container.querySelectorAll("form");
for (var j = 0; j < forms.length; j++) {
var form = forms[j];
if (form[PROCESSED] || form[PROCESSED + "boost"]) continue;
if (form.hasAttribute("sx-get") || form.hasAttribute("sx-post") ||
form.hasAttribute("sx-disable")) continue;
form[PROCESSED + "boost"] = true;
(function (el) {
var method = (el.getAttribute("method") || "GET").toUpperCase();
var action = el.getAttribute("action") || location.href;
el.addEventListener("submit", function (e) {
e.preventDefault();
executeRequest(el, { method: method, url: action }).then(function () {
try { history.pushState({ sxUrl: action, scrollY: window.scrollY }, "", action); } catch (err) {}
});
});
})(form);
if (!form.hasAttribute("sx-target")) form.setAttribute("sx-target", "#main-panel");
if (!form.hasAttribute("sx-swap")) form.setAttribute("sx-swap", "innerHTML");
}
}
// ---- SSE (Server-Sent Events) ----------------------------------------
function _processSSE(root) {
var sseEls = root.querySelectorAll("[sx-sse]");
if (root.matches && root.matches("[sx-sse]")) _bindSSE(root);
for (var i = 0; i < sseEls.length; i++) _bindSSE(sseEls[i]);
}
function _bindSSE(el) {
if (el._sxSSE) return; // already connected
var url = el.getAttribute("sx-sse");
if (!url) return;
var source = new EventSource(url);
el._sxSSE = source;
// Bind swap handlers for sx-sse-swap="eventName" attributes on el and descendants
var swapEls = el.querySelectorAll("[sx-sse-swap]");
if (el.hasAttribute("sx-sse-swap")) _bindSSESwap(el, source);
for (var i = 0; i < swapEls.length; i++) _bindSSESwap(swapEls[i], source);
source.addEventListener("error", function () { dispatch(el, "sx:sseError", {}); });
source.addEventListener("open", function () { dispatch(el, "sx:sseOpen", {}); });
// Cleanup: close EventSource when element is removed from DOM
if (typeof MutationObserver !== "undefined") {
var obs = new MutationObserver(function () {
if (!document.body.contains(el)) {
source.close();
el._sxSSE = null;
obs.disconnect();
}
});
obs.observe(document.body, { childList: true, subtree: true });
}
}
function _bindSSESwap(el, source) {
var eventName = el.getAttribute("sx-sse-swap") || "message";
source.addEventListener(eventName, function (e) {
var target = resolveTarget(el, null) || el;
var swapStyle = el.getAttribute("sx-swap") || "innerHTML";
var data = e.data;
if (data.trim().charAt(0) === "(") {
try {
var dom = Sx.render(data);
_swapDOM(target, dom, swapStyle);
} catch (err) {
_swapContent(target, data, swapStyle);
}
} else {
_swapContent(target, data, swapStyle);
}
_postSwap(target);
dispatch(el, "sx:sseMessage", { data: data, event: eventName });
});
}
// ---- Process function -------------------------------------------------
function process(root) {
root = root || document.body;
if (!root || !root.querySelectorAll) return;
var selector = "[sx-get],[sx-post],[sx-put],[sx-delete],[sx-patch]";
var elements = root.querySelectorAll(selector);
// Also check root itself
if (root.matches && root.matches(selector)) {
_processOne(root);
}
for (var i = 0; i < elements.length; i++) {
_processOne(elements[i]);
}
// Process sx-boost containers
_processBoosted(root);
// Process SSE connections
_processSSE(root);
// Bind sx-on:* handlers on all elements
var allOnEls = root.querySelectorAll("[sx-on\\:beforeRequest],[sx-on\\:afterRequest],[sx-on\\:afterSwap],[sx-on\\:afterSettle],[sx-on\\:responseError]");
allOnEls.forEach(function (el) {
if (el[PROCESSED + "on"]) return;
el[PROCESSED + "on"] = true;
_bindInlineHandlers(el);
});
}
function _processOne(el) {
if (el[PROCESSED]) return;
// sx-disable: skip processing
if (el.hasAttribute("sx-disable") || el.closest("[sx-disable]")) return;
el[PROCESSED] = true;
var verbInfo = getVerb(el);
if (!verbInfo) return;
bindTriggers(el, verbInfo);
_bindPreload(el);
}
// ---- Public API -------------------------------------------------------
var engine = {
process: process,
executeRequest: executeRequest,
config: _config,
version: "1.0.0"
};
return engine;
})();
global.SxEngine = SxEngine;
// --- Auto-init in browser ---
Sx.VERSION = "2026-03-04-cssx2";
// CSS class tracking for on-demand CSS delivery
var _sxCssHash = ""; // 8-char hex hash from server
function _initCssTracking() {
var meta = document.querySelector('meta[name="sx-css-classes"]');
if (meta) {
var content = meta.getAttribute("content");
if (content) _sxCssHash = content;
}
}
function _getSxCssHeader() {
return _sxCssHash;
}
function _processCssResponse(text, resp) {
var hashHeader = resp.headers.get("SX-Css-Hash");
if (hashHeader) _sxCssHash = hashHeader;
// Extract <style data-sx-css>...</style> blocks and inject into <style id="sx-css">
var cssTarget = document.getElementById("sx-css");
if (cssTarget) {
text = text.replace(/<style[^>]*data-sx-css[^>]*>([\s\S]*?)<\/style>/gi,
function (_, css) {
cssTarget.textContent += css;
return "";
});
}
return text;
}
// --- sx-comp-hash cookie helpers ---
function _setSxCompCookie(hash) {
document.cookie = "sx-comp-hash=" + hash + ";path=/;max-age=31536000;SameSite=Lax";
}
function _clearSxCompCookie() {
document.cookie = "sx-comp-hash=;path=/;max-age=0;SameSite=Lax";
}
if (typeof document !== "undefined") {
var init = function () {
console.log("[sx.js] v" + Sx.VERSION + " init");
_initCssTracking();
Sx.processScripts();
Sx.hydrate();
SxEngine.process();
// Process any streaming suspense resolutions that arrived before init
if (global.__sxPending) {
for (var pi = 0; pi < global.__sxPending.length; pi++) {
Sx.resolveSuspense(global.__sxPending[pi].id, global.__sxPending[pi].sx);
}
global.__sxPending = null;
}
// Replace bootstrap resolver with direct calls
global.__sxResolve = function (id, sx) { Sx.resolveSuspense(id, sx); };
};
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", init);
} else {
init();
}
}
})(typeof window !== "undefined" ? window : this);