From 46e43f4bde4a35785b4997b81e86cd19f046b69b Mon Sep 17 00:00:00 2001 From: Minteck Date: Tue, 21 Dec 2021 16:52:28 +0100 Subject: Commit --- .../es-abstract/2019/GetOwnPropertyKeys.js | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 src/node_modules/es-abstract/2019/GetOwnPropertyKeys.js (limited to 'src/node_modules/es-abstract/2019/GetOwnPropertyKeys.js') diff --git a/src/node_modules/es-abstract/2019/GetOwnPropertyKeys.js b/src/node_modules/es-abstract/2019/GetOwnPropertyKeys.js new file mode 100644 index 0000000..8d7e5ee --- /dev/null +++ b/src/node_modules/es-abstract/2019/GetOwnPropertyKeys.js @@ -0,0 +1,31 @@ +'use strict'; + +var GetIntrinsic = require('../GetIntrinsic'); + +var hasSymbols = require('has-symbols')(); + +var $TypeError = GetIntrinsic('%TypeError%'); + +var $gOPN = GetIntrinsic('%Object.getOwnPropertyNames%'); +var $gOPS = hasSymbols && GetIntrinsic('%Object.getOwnPropertySymbols%'); +var keys = require('object-keys'); + +var esType = require('./Type'); + +// https://www.ecma-international.org/ecma-262/6.0/#sec-getownpropertykeys + +module.exports = function GetOwnPropertyKeys(O, Type) { + if (esType(O) !== 'Object') { + throw new $TypeError('Assertion failed: Type(O) is not Object'); + } + if (Type === 'Symbol') { + return $gOPS ? $gOPS(O) : []; + } + if (Type === 'String') { + if (!$gOPN) { + return keys(O); + } + return $gOPN(O); + } + throw new $TypeError('Assertion failed: `Type` must be `"String"` or `"Symbol"`'); +}; -- cgit