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Move, and modernize, Util.loadScript from src/shared/util.js to src/display/dom_utils.js

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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.
This commit is contained in:
Jonas Jenwald 2018-06-07 13:52:40 +02:00
parent 547f119be6
commit 07d610615c
5 changed files with 34 additions and 53 deletions
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15
src/shared/util.js
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@ -908,21 +908,6 @@ var Util = (function UtilClosure() {
}
};
Util.loadScript = function Util_loadScript(src, callback) {
var script = document.createElement('script');
var loaded = false;
script.setAttribute('src', src);
if (callback) {
script.onload = function() {
if (!loaded) {
callback();
}
loaded = true;
};
}
document.getElementsByTagName('head')[0].appendChild(script);
};
return Util;
})();