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JavaScript's functional programming helper library.
20 lines (15 loc) • 884 B
JavaScript
define(['exports', './_setup', './_hasObjectTag'], function (exports, _setup, _hasObjectTag) {
// In IE 10 - Edge 13, `DataView` has string tag `'[object Object]'`.
// In IE 11, the most common among them, this problem also applies to
// `Map`, `WeakMap` and `Set`.
// Also, there are cases where an application can override the native
// `DataView` object, in cases like that we can't use the constructor
// safely and should just rely on alternate `DataView` checks
var hasDataViewBug = (
_setup.supportsDataView && (!/\[native code\]/.test(String(DataView)) || _hasObjectTag(new DataView(new ArrayBuffer(8))))
),
isIE11 = (typeof Map !== 'undefined' && _hasObjectTag(new Map));
exports.hasDataViewBug = hasDataViewBug;
exports.isIE11 = isIE11;
Object.defineProperty(exports, '__esModule', { value: true });
});