github-pages-deploy-action/node_modules/object.fromentries/implementation.js

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2020-03-07 11:45:40 +08:00
'use strict';
var AddEntriesFromIterable = require('es-abstract/2019/AddEntriesFromIterable');
var CreateDataPropertyOrThrow = require('es-abstract/2019/CreateDataPropertyOrThrow');
var Get = require('es-abstract/2019/Get');
var IsArray = require('es-abstract/2019/IsArray');
var RequireObjectCoercible = require('es-abstract/2019/RequireObjectCoercible');
var ToPropertyKey = require('es-abstract/2019/ToPropertyKey');
var Type = require('es-abstract/2019/Type');
var adder = function addDataProperty(key, value) {
var O = this; // eslint-disable-line no-invalid-this
var propertyKey = ToPropertyKey(key);
CreateDataPropertyOrThrow(O, propertyKey, value);
};
var legacyAssign = function assign(obj, entries) {
for (var i = 0; i < entries.length; ++i) {
var entry = entries[i];
if (Type(entry) !== 'Object') {
throw new TypeError('iterator returned a non-object; entry expected');
}
var key = Get(entry, '0');
var value = Get(entry, '1');
var propertyKey = ToPropertyKey(key);
CreateDataPropertyOrThrow(obj, propertyKey, value);
}
};
var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol';
module.exports = function fromEntries(iterable) {
RequireObjectCoercible(iterable);
var obj = {};
// this part isn't in the spec, it's for a reasonable fallback for pre-ES6 environments
if (!hasSymbols) {
if (!IsArray(iterable)) {
throw new TypeError('this environment lacks native Symbols, and can not support non-Array iterables');
}
legacyAssign(obj, iterable);
return obj;
}
return AddEntriesFromIterable(obj, iterable, adder);
};