main repo

node_modules/es-abstract/2016/OrdinaryGetOwnProperty.js

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+'use strict';
+
+var $gOPD = require('gopd');
+var $TypeError = require('es-errors/type');
+
+var callBound = require('call-bind/callBound');
+
+var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable');
+
+var hasOwn = require('hasown');
+
+var IsArray = require('./IsArray');
+var IsPropertyKey = require('./IsPropertyKey');
+var IsRegExp = require('./IsRegExp');
+var ToPropertyDescriptor = require('./ToPropertyDescriptor');
+var Type = require('./Type');
+
+// https://262.ecma-international.org/6.0/#sec-ordinarygetownproperty
+
+module.exports = function OrdinaryGetOwnProperty(O, P) {
+	if (Type(O) !== 'Object') {
+		throw new $TypeError('Assertion failed: O must be an Object');
+	}
+	if (!IsPropertyKey(P)) {
+		throw new $TypeError('Assertion failed: P must be a Property Key');
+	}
+	if (!hasOwn(O, P)) {
+		return void 0;
+	}
+	if (!$gOPD) {
+		// ES3 / IE 8 fallback
+		var arrayLength = IsArray(O) && P === 'length';
+		var regexLastIndex = IsRegExp(O) && P === 'lastIndex';
+		return {
+			'[[Configurable]]': !(arrayLength || regexLastIndex),
+			'[[Enumerable]]': $isEnumerable(O, P),
+			'[[Value]]': O[P],
+			'[[Writable]]': true
+		};
+	}
+	return ToPropertyDescriptor($gOPD(O, P));
+};