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Use more optional chaining in the code-base

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This patch updates a bunch of older code, that makes conditional function calls, to use optional chaining rather than `if`-blocks.

These mostly mechanical changes reduce the size of the `gulp mozcentral` build by a little over 1 kB.
This commit is contained in:
Jonas Jenwald 2022-09-05 15:36:04 +02:00
parent 9578152ae4
commit 38ee28b1d3
15 changed files with 51 additions and 119 deletions
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18
src/display/fetch_stream.js
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@ -88,9 +88,8 @@ class PDFFetchStream {
}
cancelAllRequests(reason) {
if (this._fullRequestReader) {
this._fullRequestReader.cancel(reason);
}
this._fullRequestReader?.cancel(reason);
for (const reader of this._rangeRequestReaders.slice(0)) {
reader.cancel(reason);
}
@ -202,9 +201,7 @@ class PDFFetchStreamReader {
}
cancel(reason) {
if (this._reader) {
this._reader.cancel(reason);
}
this._reader?.cancel(reason);
this._abortController.abort();
}
}
@ -256,17 +253,14 @@ class PDFFetchStreamRangeReader {
return { value, done };
}
this._loaded += value.byteLength;
if (this.onProgress) {
this.onProgress({ loaded: this._loaded });
}
this.onProgress?.({ loaded: this._loaded });
const buffer = new Uint8Array(value).buffer;
return { value: buffer, done: false };
}
cancel(reason) {
if (this._reader) {
this._reader.cancel(reason);
}
this._reader?.cancel(reason);
this._abortController.abort();
}
}