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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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5
web/pdf_thumbnail_viewer.js
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@ -231,10 +231,7 @@ class PDFThumbnailViewer {
// Set the first `pdfPage` immediately, since it's already loaded,
// rather than having to repeat the `PDFDocumentProxy.getPage` call in
// the `this.#ensurePdfPageLoaded` method before rendering can start.
const firstThumbnailView = this._thumbnails[0];
if (firstThumbnailView) {
firstThumbnailView.setPdfPage(firstPdfPage);
}
this._thumbnails[0]?.setPdfPage(firstPdfPage);
// Ensure that the current thumbnail is always highlighted on load.
const thumbnailView = this._thumbnails[this._currentPageNumber - 1];