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Use Map.prototype.getOrInsertComputed() in the src/display/api.js file

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This commit is contained in:
Jonas Jenwald 2026-02-22 18:15:22 +01:00
parent 7b451f6a89
commit e2c8fc6140
1 changed files with 16 additions and 30 deletions
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46
src/display/api.js
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@ -1502,12 +1502,9 @@ class PDFPageProxy {
optionalContentConfigPromise ||=
this._transport.getOptionalContentConfig(renderingIntent);
let intentState = this._intentStates.get(cacheKey);
if (!intentState) {
intentState = Object.create(null);
this._intentStates.set(cacheKey, intentState);
}
const intentState = this._intentStates.getOrInsertComputed(cacheKey, () =>
Object.create(null)
);
// Ensure that a pending `streamReader` cancel timeout is always aborted.
if (intentState.streamReaderCancelTimeout) {
clearTimeout(intentState.streamReaderCancelTimeout);
@ -1676,11 +1673,10 @@ class PDFPageProxy {
isEditing,
/* isOpList = */ true
);
let intentState = this._intentStates.get(intentArgs.cacheKey);
if (!intentState) {
intentState = Object.create(null);
this._intentStates.set(intentArgs.cacheKey, intentState);
}
const intentState = this._intentStates.getOrInsertComputed(
intentArgs.cacheKey,
() => Object.create(null)
);
let opListTask;
if (!intentState.opListReadCapability) {
@ -2516,14 +2512,9 @@ class WorkerTransport {
}
#cacheSimpleMethod(name, data = null) {
const cachedPromise = this.#methodPromises.get(name);
if (cachedPromise) {
return cachedPromise;
}
const promise = this.messageHandler.sendWithPromise(name, data);
this.#methodPromises.set(name, promise);
return promise;
return this.#methodPromises.getOrInsertComputed(name, () =>
this.messageHandler.sendWithPromise(name, data)
);
}
#onProgress({ loaded, total }) {
@ -3135,22 +3126,17 @@ class WorkerTransport {
}
getMetadata() {
const name = "GetMetadata",
cachedPromise = this.#methodPromises.get(name);
if (cachedPromise) {
return cachedPromise;
}
const promise = this.messageHandler
.sendWithPromise(name, null)
.then(results => ({
const name = "GetMetadata";
return this.#methodPromises.getOrInsertComputed(name, () =>
this.messageHandler.sendWithPromise(name, null).then(results => ({
info: results[0],
metadata: results[1] ? new Metadata(results[1]) : null,
contentDispositionFilename: this.#fullReader?.filename ?? null,
contentLength: this.#fullReader?.contentLength ?? null,
hasStructTree: results[2],
}));
this.#methodPromises.set(name, promise);
return promise;
}))
);
}
getMarkInfo() {