giles
dbcbc39ebe
Turn the blog into a SPA using the SX-htmx engine (web/engine.sx) booting the
WASM OCaml kernel (same evaluator as the server) in-browser, with sx-boost
fragment-swapping every link into #content.
Server side DONE + verified:
- lib/host/static.sx: GET /static/** serves shared/static via the file-read
primitive (ctype by ext, traversal-guarded, 404 on missing). Wired into
serve.sh (module + route group). Tested: kernel JS + .wasm binary-exact.
- host/blog--page is now the SPA shell: full page = WASM boot scripts +
sx-boost=#content wrapper + #content; on SX-Request:true returns ONLY the
inner content fragment for the engine to swap. All 13 handlers thread req.
- docker-compose mounts ./shared/static.
- lib/host/playwright/spa-check.{spec.js,run-spa-check.sh}: boot/boost/swap/back.
Client side: the WASM kernel BOOTS (SxKernel object, data-sx-ready=true, web
stack loads). BLOCKER: the bundled .sxbc throw 'VM: unknown opcode 0' vs this
worktree's kernel -> .sx source fallback -> boot.sx source fails 'Expected
list, got string' -> process-boosted never binds links (boosted 0/N). Fix =
rebuild a consistent WASM bundle (recompile .sxbc against the kernel via
scripts/sx-build-all.sh); the browser wasm target isn't built here yet. See
plans/host-spa.md. Live NOT redeployed (stays on pre-SPA process).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
66 lines
3.1 KiB
JavaScript
66 lines
3.1 KiB
JavaScript
// Browser check for the blog SPA (lib/host/blog.sx + lib/host/static.sx). Runs
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// against an ephemeral host server seeded with a couple of posts by
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// run-spa-check.sh, which copies this spec into the Playwright env and sets
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// SX_TEST_URL. Verifies the WASM OCaml kernel boots in the browser, the SX-htmx
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// engine activates sx-boost on #content's links, and clicking a link does a
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// fragment swap (no full page reload) with history — i.e. it's a real SPA.
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const { test, expect } = require('playwright/test');
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// boot-init sets data-sx-ready="true" on <html> once the WASM kernel + web stack
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// have loaded and the page has been processed. WASM compile + ~25 asset fetches,
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// so allow generous time.
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async function waitReady(page) {
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await expect(page.locator('html[data-sx-ready="true"]')).toHaveCount(1, { timeout: 45000 });
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}
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// a post link in the listing (trailing slash); skip /new, /login, /tags.
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const POSTLINK = '#content a[href$="/"]';
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test.describe('blog SPA', () => {
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test('WASM kernel boots and marks the document ready', async ({ page }) => {
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const errors = [];
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page.on('console', (m) => { if (m.type() === 'error') errors.push(m.text()); });
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page.on('pageerror', (e) => errors.push(String(e)));
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await page.goto('/');
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await waitReady(page);
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// the shell shipped the WASM loaders
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expect(await page.locator('script[src*="sx_browser.bc.wasm.js"]').count()).toBe(1);
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expect(await page.locator('script[src*="sx-platform.js"]').count()).toBe(1);
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// no boot-time JS errors
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expect(errors, errors.join('\n')).toEqual([]);
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});
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test('links inside #content get boosted', async ({ page }) => {
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await page.goto('/');
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await waitReady(page);
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// the engine marks a boosted element with data-sx-bound containing "boost"
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await expect(page.locator(POSTLINK).first()).toHaveAttribute('data-sx-bound', /boost/, { timeout: 15000 });
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});
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test('clicking a link does a fragment swap — no full reload, URL updates', async ({ page }) => {
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await page.goto('/');
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await waitReady(page);
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// sentinel survives ONLY if there is no full-page reload
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await page.evaluate(() => { window.__noReload = true; });
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const link = page.locator(POSTLINK).first();
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const href = await link.getAttribute('href');
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await link.click();
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await page.waitForURL((u) => u.pathname === href, { timeout: 15000 });
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expect(await page.evaluate(() => window.__noReload)).toBe(true); // no reload
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// content was swapped into #content (a post page carries the post footer)
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await expect(page.locator('#content')).toContainText(/all posts/i, { timeout: 15000 });
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});
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test('back button restores the listing', async ({ page }) => {
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await page.goto('/');
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await waitReady(page);
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const link = page.locator(POSTLINK).first();
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const href = await link.getAttribute('href');
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await link.click();
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await page.waitForURL((u) => u.pathname === href, { timeout: 15000 });
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await page.goBack();
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await page.waitForURL((u) => u.pathname === '/', { timeout: 15000 });
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await expect(page.locator('#content h1')).toContainText('Posts');
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});
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});
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