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WIP: poster capture no longer dies on a late idle; gate waits 120s

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doxa-maps-88655c70 2026-09-25 13:36:32 +00:00
parent 178d7ac3e8
commit e50fc858ba
2 changed files with 18 additions and 12 deletions
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24
library/composables/poster/useMapPoster.js
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@ -410,24 +410,30 @@ async function _spawnHiddenMap(sourceMap, w, h, opts = {}) {
return { hiddenMap, restoreDpr, container };
}
// The hidden map's 'idle' can arrive late or never on a heavy render (measured 2026-09-25: an
// Arabic Letter poster, RTL shaping + a 2x canvas, missed a 15s idle and the export gave NO file).
// So: at IDLE_TIMEOUT_MS, capture if every tile is in (something else is only repainting); keep
// waiting to IDLE_HARD_MS otherwise, then capture what is drawn with a warning. A poster whose last
// tiles are missing is still a file; a rejected promise is a dead Export button.
const IDLE_HARD_MS = 60000;
function _waitForIdle(map) {
return new Promise((resolve, reject) => {
return new Promise((resolve) => {
let settled = false;
const t = setTimeout(() => {
const timers = [];
const finish = (why) => {
if (settled) return;
settled = true;
reject(new Error('useMapPoster: hidden map idle timeout'));
}, IDLE_TIMEOUT_MS);
const finish = () => {
if (settled) return;
settled = true;
clearTimeout(t);
timers.forEach(clearTimeout);
if (why) console.warn('[useMapPoster] ' + why);
requestAnimationFrame(() => resolve());
};
const tilesIn = () => { try { return typeof map.areTilesLoaded === 'function' && map.areTilesLoaded(); } catch (_) { return false; } };
timers.push(setTimeout(() => { if (tilesIn()) finish(); }, IDLE_TIMEOUT_MS));
timers.push(setTimeout(() => finish('hidden map not idle after ' + IDLE_HARD_MS / 1000 + 's; capturing what is drawn'), IDLE_HARD_MS));
if (map.loaded() && !map.isMoving()) {
finish();
} else {
map.once('idle', finish);
map.once('idle', () => finish());
}
});
}

6
plugin-designs/doxa-research-map/scripts/check-export-one-click.mjs
View file

@ -14,7 +14,7 @@
* The drawer's "Export poster…" does not count: the drawer is CLOSED by default (translated off
* screen), so it costs an extra click to reach — measured 2026-09-25, and in Arabic the button
* could not be clicked at all. The toolbar button must be on screen with no preparation;
* 2. a download arrives within 90s, WITHOUT any further click;
* 2. a download arrives within 120s, WITHOUT any further click;
* 3. the file is a real PNG (signature) of the print size (US Letter at 200 DPI = 1700x2200);
* 4. 0 page errors.
*
@ -71,7 +71,7 @@ try {
const label = ((await btn.getAttribute('title', { timeout: 20000 }).catch(() => '')) || '').trim()
let clicks = 0
try { await btn.click({ timeout: 20000 }); clicks = 1 } catch (e) { errs.push('could not click: ' + String(e.message || e).split('\n')[0]) }
for (let i = 0; i < 90 && !downloads.length; i++) await p.waitForTimeout(1000)
for (let i = 0; i < 120 && !downloads.length; i++) await p.waitForTimeout(1000)
let file = null, info = ''
if (downloads.length) {
file = downloads[0].suggestedFilename()
@ -83,7 +83,7 @@ try {
if (!png || w < 1600 || h < 2100) errs.push(`file is not the expected print PNG (${info})`)
}
const ok = clicks === 1 && !!file && !errs.length
console.log(`${ok ? 'PASS' : 'FAIL'} [${where} ${lang}] "${label}" · 1 click → ${file ? `${file} (${info})` : 'NO FILE within 90s'}${errs.length ? ' · ' + [...new Set(errs)].slice(0, 3).join(' | ') : ' · 0 errors'}`)
console.log(`${ok ? 'PASS' : 'FAIL'} [${where} ${lang}] "${label}" · 1 click → ${file ? `${file} (${info})` : 'NO FILE within 120s'}${errs.length ? ' · ' + [...new Set(errs)].slice(0, 3).join(' | ') : ' · 0 errors'}`)
if (!ok) fails.push(`${where} ${lang}`)
await ctx.close()
}