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Object.values() polyfill for <Fx47 after 269e2f8b

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Zotero for Windows is still built with Fx45, so we need a polyfill for
Object.values().
This commit is contained in:
Dan Stillman 2016-12-26 15:17:19 -05:00
parent 044ecf2157
commit 437c55b286
2 changed files with 12 additions and 0 deletions
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2
chrome/content/zotero/xpcom/zotero.js
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@ -30,6 +30,8 @@ Components.utils.import("resource://gre/modules/Services.jsm");
Components.utils.import("resource://gre/modules/osfile.jsm"); Components.utils.import("resource://gre/modules/osfile.jsm");
Components.utils.import("resource://gre/modules/PluralForm.jsm"); Components.utils.import("resource://gre/modules/PluralForm.jsm");
Services.scriptloader.loadSubScript("resource://zotero/polyfill.js");
/* /*
* Core functions * Core functions
*/ */

10
resource/polyfill.js Normal file
View file

@ -0,0 +1,10 @@
if (!Object.values) {
const reduce = Function.bind.call(Function.call, Array.prototype.reduce);
const isEnumerable = Function.bind.call(Function.call, Object.prototype.propertyIsEnumerable);
const concat = Function.bind.call(Function.call, Array.prototype.concat);
const keys = Reflect.ownKeys;
Object.values = function values(O) {
return reduce(keys(O), (v, k) => concat(v, typeof k === 'string' && isEnumerable(O, k) ? [O[k]] : []), []);
};
}