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Merge pull request #10203 from Snuffleupagus/canvasInRendering-WeakSet

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Change `canvasInRendering` to a `WeakSet` instead of a `WeakMap`
This commit is contained in:
Tim van der Meij 2018-10-31 22:59:20 +01:00 committed by GitHub
commit 7053b5a146
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 10 additions and 2 deletions
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4
src/display/api.js
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@ -2365,7 +2365,7 @@ var RenderTask = (function RenderTaskClosure() {
* @ignore
*/
var InternalRenderTask = (function InternalRenderTaskClosure() {
let canvasInRendering = new WeakMap();
let canvasInRendering = new WeakSet();
function InternalRenderTask(callback, params, objs, commonObjs, operatorList,
pageNumber, canvasFactory, webGLContext,
@ -2408,7 +2408,7 @@ var InternalRenderTask = (function InternalRenderTaskClosure() {
'Use different canvas or ensure previous operations were ' +
'cancelled or completed.');
}
canvasInRendering.set(this._canvas, this);
canvasInRendering.add(this._canvas);
}
if (this._pdfBug && globalScope.StepperManager &&

8
src/shared/compatibility.js
View File

@ -187,6 +187,14 @@ const hasDOM = typeof window === 'object' && typeof document === 'object';
globalScope.WeakMap = require('core-js/fn/weak-map');
})();
// Support: IE11
(function checkWeakSet() {
if (globalScope.WeakSet) {
return;
}
globalScope.WeakSet = require('core-js/fn/weak-set');
})();
// Provides support for String.codePointAt in legacy browsers.
// Support: IE11.
(function checkStringCodePointAt() {