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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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17
web/base_viewer.js
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@ -637,12 +637,9 @@ class BaseViewer {
this._cancelRendering();
this._resetView();
if (this.findController) {
this.findController.setDocument(null);
}
if (this._scriptingManager) {
this._scriptingManager.setDocument(null);
}
this.findController?.setDocument(null);
this._scriptingManager?.setDocument(null);
if (this.#annotationEditorUIManager) {
this.#annotationEditorUIManager.destroy();
this.#annotationEditorUIManager = null;
@ -807,12 +804,8 @@ class BaseViewer {
// starts to create the correct size canvas. Wait until one page is
// rendered so we don't tie up too many resources early on.
this.#onePageRenderedOrForceFetch().then(async () => {
if (this.findController) {
this.findController.setDocument(pdfDocument); // Enable searching.
}
if (this._scriptingManager) {
this._scriptingManager.setDocument(pdfDocument); // Enable scripting.
}
this.findController?.setDocument(pdfDocument); // Enable searching.
this._scriptingManager?.setDocument(pdfDocument); // Enable scripting.
if (this.#annotationEditorUIManager) {
// Ensure that the Editor buttons, in the toolbar, are updated.