diff options
author | isaacs <i@izs.me> | 2020-07-23 20:58:04 +0300 |
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committer | isaacs <i@izs.me> | 2020-07-29 21:53:42 +0300 |
commit | ad5e07d8bd86d1dbe2b03dc142f8c8d6f4828ffe (patch) | |
tree | 97b66f97d77f35774f10a5e3e9957b1897d150bb /node_modules/es-abstract/2016/CreateDataProperty.js | |
parent | a16994cfdd2f255016f3d8ee60d03473d80eabd8 (diff) |
Full dependency reboot
Reinstall everything from a clean node_modules and package-lock.json
state.
Re-generate list of bundleDependencies and node_modules/.gitignore with
a script that does the right thing based on actual dependency state.
Diffstat (limited to 'node_modules/es-abstract/2016/CreateDataProperty.js')
-rw-r--r-- | node_modules/es-abstract/2016/CreateDataProperty.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2016/CreateDataProperty.js b/node_modules/es-abstract/2016/CreateDataProperty.js new file mode 100644 index 000000000..32a86ef04 --- /dev/null +++ b/node_modules/es-abstract/2016/CreateDataProperty.js @@ -0,0 +1,45 @@ +'use strict'; + +var GetIntrinsic = require('../GetIntrinsic'); + +var $TypeError = GetIntrinsic('%TypeError%'); + +var DefineOwnProperty = require('../helpers/DefineOwnProperty'); + +var FromPropertyDescriptor = require('./FromPropertyDescriptor'); +var OrdinaryGetOwnProperty = require('./OrdinaryGetOwnProperty'); +var IsDataDescriptor = require('./IsDataDescriptor'); +var IsExtensible = require('./IsExtensible'); +var IsPropertyKey = require('./IsPropertyKey'); +var SameValue = require('./SameValue'); +var Type = require('./Type'); + +// https://www.ecma-international.org/ecma-262/6.0/#sec-createdataproperty + +module.exports = function CreateDataProperty(O, P, V) { + 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'); + } + var oldDesc = OrdinaryGetOwnProperty(O, P); + var extensible = !oldDesc || IsExtensible(O); + var immutable = oldDesc && (!oldDesc['[[Writable]]'] || !oldDesc['[[Configurable]]']); + if (immutable || !extensible) { + return false; + } + return DefineOwnProperty( + IsDataDescriptor, + SameValue, + FromPropertyDescriptor, + O, + P, + { + '[[Configurable]]': true, + '[[Enumerable]]': true, + '[[Value]]': V, + '[[Writable]]': true + } + ); +}; |