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Plugin: eager-load tiddlers with custom fields, fixes #23

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For the Section Editor case, this is actually just a workaround, the real
issue is https://github.com/Jermolene/TiddlyWiki5/issues/7686
But this does sound like a heuristic to keep for whatever-else-can-plugins-do.
This commit is contained in:
Val Packett 2023-08-19 17:32:18 -03:00
parent e8a468b79f
commit b90e64e05c
1 changed files with 18 additions and 6 deletions
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24
plugins/tiddlypwa/main.js
View file

@ -105,6 +105,23 @@ Formatted with `deno fmt`.
return url === `${location.origin}${location.pathname}${location.search}`; return url === `${location.origin}${location.pathname}${location.search}`;
} }
const knownFields = new Set(['created', 'creator', 'modified', 'modifier', 'tags', 'text', 'title', 'type', 'uri']);
// Certain tiddlers must NEVER use _is_skinny lazy-loading
function mustEagerLoad(tid) {
// e.g. $:/DefaultTiddlers
if (tid.title.startsWith('$:')) return true;
// e.g. $:/tags/Macro, $:/tags/ManifestIcon
for (const t of $tw.Tiddler.fieldModules.tags.parse(tid.tags) || []) {
if (typeof t === 'string' && t.startsWith('$:')) return true;
}
// e.g. se-type from the Section Editor plugin https://codeberg.org/valpackett/tiddlypwa/issues/23
// (Actually that case is about core not firing lazyLoad when a custom viewtemplate is used,
// but we can imagine other kinds of custom-field-having tiddlers needing content always loaded)
for (const k of Object.keys(tid)) if (!knownFields.has(k)) return true;
return false;
}
class FetchError extends Error { class FetchError extends Error {
constructor(cause) { constructor(cause) {
super('fetch failed'); super('fetch failed');
@ -434,12 +451,7 @@ Formatted with `deno fmt`.
// not isReady yet, can safely addTiddler // not isReady yet, can safely addTiddler
const tid = await this.parseEncryptedTiddler({ thash, ct, iv }); const tid = await this.parseEncryptedTiddler({ thash, ct, iv });
if (sbiv && sbct) { if (sbiv && sbct) {
// These we need to eager-load no matter what, e.g. we could have a huge DefaultTiddlers end up as separate body if (mustEagerLoad(tid)) {
// Tags are also checked for $: due to $:/tags/Macro, $:/tags/ManifestIcon, etc.
if (
tid.title.startsWith('$:') ||
$tw.Tiddler.fieldModules.tags.parse(tid.tags)?.find((x) => typeof x === 'string' && x.startsWith('$:'))
) {
tid.text = await decodeData( tid.text = await decodeData(
await crypto.subtle.decrypt({ name: 'AES-GCM', iv: sbiv }, this.enckey(thash), sbct), await crypto.subtle.decrypt({ name: 'AES-GCM', iv: sbiv }, this.enckey(thash), sbct),
); );