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Assume ES5+ built-ins exist.

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John-David Dalton
2017-01-09 19:06:04 -08:00
parent 8501b0c2ef
commit 8bc7e006db
26 changed files with 18 additions and 117 deletions
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13
_getTag.js
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@@ -1,8 +1,3 @@
import DataView from './_DataView.js';
import Map from './_Map.js';
import Promise from './_Promise.js';
import Set from './_Set.js';
import WeakMap from './_WeakMap.js';
import baseGetTag from './_baseGetTag.js';
import toSource from './_toSource.js';
@@ -32,10 +27,10 @@ let getTag = baseGetTag;
// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
(Map && getTag(new Map) != mapTag) ||
(Promise && getTag(Promise.resolve()) != promiseTag) ||
(Set && getTag(new Set) != setTag) ||
(WeakMap && getTag(new WeakMap) != weakMapTag)) {
(getTag(new Map) != mapTag) ||
(getTag(Promise.resolve()) != promiseTag) ||
(getTag(new Set) != setTag) ||
(getTag(new WeakMap) != weakMapTag)) {
getTag = value => {
const result = baseGetTag(value);
const Ctor = result == objectTag ? value.constructor : undefined;