ember-material-icons
Version:
Google Material icons for your ember-cli app
12 lines • 1.09 kB
JavaScript
export const HAS_NATIVE_WEAKMAP = (function () {
// detect if `WeakMap` is even present
let hasWeakMap = typeof WeakMap === 'function';
if (!hasWeakMap) {
return false;
}
let instance = new WeakMap();
// use `Object`'s `.toString` directly to prevent us from detecting
// polyfills as native weakmaps
return Object.prototype.toString.call(instance) === '[object WeakMap]';
})();
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