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Revalidate examples on every load instead of trusting the ten-minute page cache #5

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Merged
O6lvl4 merged 1 commit into from
Sep 23, 2026
Merged

Revalidate examples on every load instead of trusting the ten-minute page cache #5

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7 changes: 5 additions & 2 deletions web/app.js
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Original file line number Diff line number Diff line change
Expand Up @@ -680,7 +680,10 @@ let manifest = null;

async function loadManifest() {
try {
const resp = await fetch('./examples/manifest.json');
// GitHub Pages serves with max-age=600, so a plain fetch keeps a
// just-replaced example for up to ten minutes after a deploy. no-cache
// revalidates against the ETag on every load: a 304 when nothing moved.
const resp = await fetch('./examples/manifest.json', { cache: 'no-cache' });
manifest = await resp.json();
buildExamplesMenu();
} catch (e) {
Expand Down Expand Up @@ -727,7 +730,7 @@ async function loadExample(id) {
try {
const loaded = await Promise.all(
ex.files.map(async (name) => {
const resp = await fetch('./examples/' + id + '/' + name);
const resp = await fetch('./examples/' + id + '/' + name, { cache: 'no-cache' });
if (!resp.ok) throw new Error(name + ': HTTP ' + resp.status);
return { name, content: await resp.text() };
})
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