diff options
Diffstat (limited to 'src/node_modules/es-abstract/2017/HasOwnProperty.js')
-rw-r--r-- | src/node_modules/es-abstract/2017/HasOwnProperty.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/node_modules/es-abstract/2017/HasOwnProperty.js b/src/node_modules/es-abstract/2017/HasOwnProperty.js new file mode 100644 index 0000000..679059f --- /dev/null +++ b/src/node_modules/es-abstract/2017/HasOwnProperty.js @@ -0,0 +1,22 @@ +'use strict'; + +var GetIntrinsic = require('../GetIntrinsic'); + +var $TypeError = GetIntrinsic('%TypeError%'); + +var has = require('has'); + +var IsPropertyKey = require('./IsPropertyKey'); +var Type = require('./Type'); + +// https://ecma-international.org/ecma-262/6.0/#sec-hasownproperty + +module.exports = function HasOwnProperty(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'); + } + return has(O, P); +}; |