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/2018/CopyDataProperties.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/2018/CopyDataProperties.js')
-rw-r--r-- | node_modules/es-abstract/2018/CopyDataProperties.js | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2018/CopyDataProperties.js b/node_modules/es-abstract/2018/CopyDataProperties.js new file mode 100644 index 000000000..842709903 --- /dev/null +++ b/node_modules/es-abstract/2018/CopyDataProperties.js @@ -0,0 +1,64 @@ +'use strict'; + +var callBound = require('../helpers/callBound'); +var forEach = require('../helpers/forEach'); +var OwnPropertyKeys = require('../helpers/OwnPropertyKeys'); + +var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable'); + +var CreateDataProperty = require('./CreateDataProperty'); +var Get = require('./Get'); +var IsArray = require('./IsArray'); +var IsInteger = require('./IsInteger'); +var IsPropertyKey = require('./IsPropertyKey'); +var SameValue = require('./SameValue'); +var ToNumber = require('./ToNumber'); +var ToObject = require('./ToObject'); +var Type = require('./Type'); + +// https://www.ecma-international.org/ecma-262/9.0/#sec-copydataproperties + +module.exports = function CopyDataProperties(target, source, excludedItems) { + if (Type(target) !== 'Object') { + throw new TypeError('Assertion failed: "target" must be an Object'); + } + + if (!IsArray(excludedItems)) { + throw new TypeError('Assertion failed: "excludedItems" must be a List of Property Keys'); + } + for (var i = 0; i < excludedItems.length; i += 1) { + if (!IsPropertyKey(excludedItems[i])) { + throw new TypeError('Assertion failed: "excludedItems" must be a List of Property Keys'); + } + } + + if (typeof source === 'undefined' || source === null) { + return target; + } + + var fromObj = ToObject(source); + + var sourceKeys = OwnPropertyKeys(fromObj); + forEach(sourceKeys, function (nextKey) { + var excluded = false; + + forEach(excludedItems, function (e) { + if (SameValue(e, nextKey) === true) { + excluded = true; + } + }); + + var enumerable = $isEnumerable(fromObj, nextKey) || ( + // this is to handle string keys being non-enumerable in older engines + typeof source === 'string' + && nextKey >= 0 + && IsInteger(ToNumber(nextKey)) + ); + if (excluded === false && enumerable) { + var propValue = Get(fromObj, nextKey); + CreateDataProperty(target, nextKey, propValue); + } + }); + + return target; +}; |