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Don't cache embedded GEDCOM in sessionStorage (#308)

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This commit is contained in:
Kamil Jiwa
2026-06-21 08:57:31 -07:00
committed by GitHub
parent b6e3a95741
commit 74bef35955
3 changed files with 58 additions and 10 deletions
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10
src/datasource/embedded.ts
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@@ -61,7 +61,15 @@ export class EmbeddedDataSource implements DataSource<EmbeddedSourceSpec> {
try {
const embeddedHash = 'embedded';
storeGedcom(embeddedHash, gedcom, new Map());
const data = await loadGedcom(embeddedHash, onProgress);
// Embedded data is volatile: the parent re-posts a fresh GEDCOM on every
// load (and a page reload re-runs the ready/parent_ready handshake, so
// the parent re-sends). That GEDCOM may inline object URLs (blob:/data:)
// that die with the previous document. Persisting it to sessionStorage
// under the constant 'embedded' key would return dead URLs on the next
// load, so opt out of the session cache for embedded data.
const data = await loadGedcom(embeddedHash, onProgress, {
useSessionCache: false,
});
const software = getSoftware(data.gedcom.head);
analyticsEvent('embedded_file_loaded', {
event_label: software,