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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/es-abstract/2019/DeletePropertyOrThrow.js | |
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Diffstat (limited to 'node_modules/es-abstract/2019/DeletePropertyOrThrow.js')
-rw-r--r-- | node_modules/es-abstract/2019/DeletePropertyOrThrow.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2019/DeletePropertyOrThrow.js b/node_modules/es-abstract/2019/DeletePropertyOrThrow.js new file mode 100644 index 0000000..b476817 --- /dev/null +++ b/node_modules/es-abstract/2019/DeletePropertyOrThrow.js @@ -0,0 +1,27 @@ +'use strict'; + +var GetIntrinsic = require('../GetIntrinsic'); + +var $TypeError = GetIntrinsic('%TypeError%'); + +var IsPropertyKey = require('./IsPropertyKey'); +var Type = require('./Type'); + +// https://www.ecma-international.org/ecma-262/6.0/#sec-deletepropertyorthrow + +module.exports = function DeletePropertyOrThrow(O, P) { + if (Type(O) !== 'Object') { + throw new $TypeError('Assertion failed: Type(O) is not Object'); + } + + if (!IsPropertyKey(P)) { + throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true'); + } + + // eslint-disable-next-line no-param-reassign + var success = delete O[P]; + if (!success) { + throw new $TypeError('Attempt to delete property failed.'); + } + return success; +}; |