summaryrefslogtreecommitdiffstats
path: root/node_modules/es-abstract/2018/CopyDataProperties.js
diff options
context:
space:
mode:
authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
tree55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/es-abstract/2018/CopyDataProperties.js
downloadwebsite_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.gz
website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.bz2
website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.zip
api, login, auth
Diffstat (limited to 'node_modules/es-abstract/2018/CopyDataProperties.js')
-rw-r--r--node_modules/es-abstract/2018/CopyDataProperties.js68
1 files changed, 68 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 0000000..402de28
--- /dev/null
+++ b/node_modules/es-abstract/2018/CopyDataProperties.js
@@ -0,0 +1,68 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+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;
+};