biofriction-wp-theme/node_modules/es6-symbol/test/polyfill.js

30 lines
768 B
JavaScript
Raw Normal View History

2021-10-26 14:18:09 +02:00
'use strict';
var d = require('d')
, isSymbol = require('../is-symbol')
, defineProperty = Object.defineProperty;
module.exports = function (T, a) {
var symbol = T('test'), x = {};
defineProperty(x, symbol, d('foo'));
a(x.test, undefined, "Name");
a(x[symbol], 'foo', "Get");
a(x instanceof T, false);
a(isSymbol(symbol), true, "Symbol");
a(isSymbol(T.iterator), true, "iterator");
a(isSymbol(T.toStringTag), true, "toStringTag");
x = {};
x[symbol] = 'foo';
if (typeof symbol !== 'symbol') {
a.deep(Object.getOwnPropertyDescriptor(x, symbol), { configurable: true, enumerable: false,
value: 'foo', writable: true });
}
symbol = T.for('marko');
a(isSymbol(symbol), true);
a(T.for('marko'), symbol);
a(T.keyFor(symbol), 'marko');
};