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Move, and modernize, Util.loadScript
from src/shared/util.js
to src/display/dom_utils.js
Not only is the `Util.loadScript` helper function unused on the Worker side, even trying to use it there would throw an Error (since `document` isn't defined/available in Workers). Hence this helper function is moved, and its code modernized slightly by having it return a Promise rather than needing a callback function. Finally, to reduced code duplication, the "new" loadScript function is exported and used in the viewer.
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5 changed files with 34 additions and 53 deletions
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@ -428,6 +428,19 @@ class DummyStatTimer {
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}
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}
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function loadScript(src) {
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return new Promise((resolve, reject) => {
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let script = document.createElement('script');
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script.src = src;
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script.onload = resolve;
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script.onerror = function() {
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reject(new Error(`Cannot load script at: ${script.src}`));
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};
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(document.head || document.documentElement).appendChild(script);
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});
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}
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export {
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PageViewport,
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RenderingCancelledException,
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@ -440,4 +453,5 @@ export {
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DOMSVGFactory,
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StatTimer,
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DummyStatTimer,
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loadScript,
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};
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