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Diffstat (limited to 'src/node_modules/es-abstract/2018/Get.js')
-rw-r--r-- | src/node_modules/es-abstract/2018/Get.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/node_modules/es-abstract/2018/Get.js b/src/node_modules/es-abstract/2018/Get.js new file mode 100644 index 0000000..5b9ad78 --- /dev/null +++ b/src/node_modules/es-abstract/2018/Get.js @@ -0,0 +1,30 @@ +'use strict'; + +var GetIntrinsic = require('../GetIntrinsic'); + +var $TypeError = GetIntrinsic('%TypeError%'); + +var inspect = require('object-inspect'); + +var IsPropertyKey = require('./IsPropertyKey'); +var Type = require('./Type'); + +/** + * 7.3.1 Get (O, P) - https://ecma-international.org/ecma-262/6.0/#sec-get-o-p + * 1. Assert: Type(O) is Object. + * 2. Assert: IsPropertyKey(P) is true. + * 3. Return O.[[Get]](P, O). + */ + +module.exports = function Get(O, P) { + // 7.3.1.1 + if (Type(O) !== 'Object') { + throw new $TypeError('Assertion failed: Type(O) is not Object'); + } + // 7.3.1.2 + if (!IsPropertyKey(P)) { + throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true, got ' + inspect(P)); + } + // 7.3.1.3 + return O[P]; +}; |