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Use more optional chaining in the code-base (PR 15398 follow-up)

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*Fixes a few cases that I missed in PR 15398.*
This commit is contained in:
Jonas Jenwald 2022-09-21 16:47:36 +02:00
parent 2146d93609
commit 9f637966f8
3 changed files with 15 additions and 20 deletions
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11
src/display/fetch_stream.js
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@ -190,12 +190,11 @@ class PDFFetchStreamReader {
return { value, done }; return { value, done };
} }
this._loaded += value.byteLength; this._loaded += value.byteLength;
if (this.onProgress) { this.onProgress?.({
this.onProgress({ loaded: this._loaded,
loaded: this._loaded, total: this._contentLength,
total: this._contentLength, });
});
}
const buffer = new Uint8Array(value).buffer; const buffer = new Uint8Array(value).buffer;
return { value: buffer, done: false }; return { value: buffer, done: false };
} }

11
src/display/node_stream.js
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@ -163,12 +163,11 @@ class BaseFullReader {
return this.read(); return this.read();
} }
this._loaded += chunk.length; this._loaded += chunk.length;
if (this.onProgress) { this.onProgress?.({
this.onProgress({ loaded: this._loaded,
loaded: this._loaded, total: this._contentLength,
total: this._contentLength, });
});
}
// Ensure that `read()` method returns ArrayBuffer. // Ensure that `read()` method returns ArrayBuffer.
const buffer = new Uint8Array(chunk).buffer; const buffer = new Uint8Array(chunk).buffer;
return { value: buffer, done: false }; return { value: buffer, done: false };

13
src/display/transport_stream.js
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@ -92,15 +92,12 @@ class PDFDataTransportStream {
_onProgress(evt) { _onProgress(evt) {
if (evt.total === undefined) { if (evt.total === undefined) {
// Reporting to first range reader, if it exists. // Reporting to first range reader, if it exists.
const firstReader = this._rangeReaders[0]; this._rangeReaders[0]?.onProgress?.({ loaded: evt.loaded });
if (firstReader?.onProgress) {
firstReader.onProgress({ loaded: evt.loaded });
}
} else { } else {
const fullReader = this._fullRequestReader; this._fullRequestReader?.onProgress?.({
if (fullReader?.onProgress) { loaded: evt.loaded,
fullReader.onProgress({ loaded: evt.loaded, total: evt.total }); total: evt.total,
} });
} }
} }