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44 lines
1.1 KiB
44 lines
1.1 KiB
4 years ago
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'use strict';
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var GetIntrinsic = require('get-intrinsic');
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var $TypeError = GetIntrinsic('%TypeError%');
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var objectKeys = require('object-keys');
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var callBound = require('call-bind/callBound');
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var callBind = require('call-bind');
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var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable');
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var $pushApply = callBind.apply(GetIntrinsic('%Array.prototype.push%'));
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var forEach = require('../helpers/forEach');
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var Type = require('./Type');
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// https://262.ecma-international.org/8.0/#sec-enumerableownproperties
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module.exports = function EnumerableOwnProperties(O, kind) {
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if (Type(O) !== 'Object') {
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throw new $TypeError('Assertion failed: Type(O) is not Object');
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}
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var keys = objectKeys(O);
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if (kind === 'key') {
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return keys;
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}
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if (kind === 'value' || kind === 'key+value') {
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var results = [];
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forEach(keys, function (key) {
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if ($isEnumerable(O, key)) {
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$pushApply(results, [
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kind === 'value' ? O[key] : [key, O[key]]
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]);
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}
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});
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return results;
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}
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throw new $TypeError('Assertion failed: "kind" is not "key", "value", or "key+value": ' + kind);
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};
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