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Move SX app CSS and init behavior from Python to init.sx

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Styles (indicator, jiggle animation) and nav aria-selected behavior
were inline Python strings in sx/app.py. Now they live in sx/sx/init.sx
as proper SX source — styles via collect! "cssx", nav via dom-listen.

The shell's inline_css is empty; CSSX handles style injection on boot.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
giles
2026-03-14 11:11:49 +00:00
parent 2211655060
commit 919998be1c
2 changed files with 31 additions and 20 deletions
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27
sx/app.py
View File

@@ -69,30 +69,17 @@ def create_app() -> "Quart":
# Minimal shell — no Prism, no SweetAlert, no body.js
# sx docs uses custom highlight.py, not Prism; body.js is for legacy apps
# Load init SX from file — styles + nav behavior, no inline Python strings
import os as _os
_init_path = _os.path.join(_os.path.dirname(__file__), "sx", "init.sx")
with open(_init_path) as _f:
_init_sx = _f.read()
app.config["SX_SHELL"] = {
"head_scripts": [], # no CDN scripts
"body_scripts": [], # no body.js
"inline_head_js": "", # no pre-boot JS (hover-capable, close-details unused)
"inline_css": (
".sx-indicator{display:none}"
".sx-request .sx-indicator{display:inline-flex}"
"@keyframes sxJiggle{0%,100%{transform:translateX(0)}"
"25%{transform:translateX(-.5px)}75%{transform:translateX(.5px)}}"
"a.sx-request{animation:sxJiggle .3s ease-in-out infinite}"
),
# Nav link aria-selected update on client-side routing — pure SX
"init_sx": (
'(dom-listen (dom-body) "sx:clientRoute"'
' (fn (e)'
' (let ((p (get (event-detail e) "pathname")))'
' (when p'
' (for-each'
' (fn (a) (dom-set-attr a "aria-selected" "false"))'
' (dom-query-all "nav a[aria-selected]"))'
' (for-each'
' (fn (a) (dom-set-attr a "aria-selected" "true"))'
' (dom-query-all (str "nav a[href=\\"" p "\\"]")))))))'
),
"inline_css": "", # styles injected via CSSX from init.sx
"init_sx": _init_sx,
}
app.url_map.strict_slashes = False

24
sx/sx/init.sx Normal file
View File

@@ -0,0 +1,24 @@
;; ---------------------------------------------------------------------------
;; SX app boot — styles and behaviors injected on page load
;;
;; Replaces inline_css and init_sx from Python app config.
;; Called as a data-init script on every page.
;; ---------------------------------------------------------------------------
;; Framework styles — request indicators + link jiggle
(collect! "cssx" ".sx-indicator{display:none}")
(collect! "cssx" ".sx-request .sx-indicator{display:inline-flex}")
(collect! "cssx" "@keyframes sxJiggle{0%,100%{transform:translateX(0)}25%{transform:translateX(-.5px)}75%{transform:translateX(.5px)}}")
(collect! "cssx" "a.sx-request{animation:sxJiggle .3s ease-in-out infinite}")
;; Nav link aria-selected update on client-side routing
(dom-listen (dom-body) "sx:clientRoute"
(fn (e)
(let ((p (get (event-detail e) "pathname")))
(when p
(for-each
(fn (a) (dom-set-attr a "aria-selected" "false"))
(dom-query-all "nav a[aria-selected]"))
(for-each
(fn (a) (dom-set-attr a "aria-selected" "true"))
(dom-query-all (str "nav a[href=\"" p "\"]")))))))