assign-symbols
Advanced tools
Assign the enumerable es6 Symbol properties from one or more objects to the first object passed on the arguments. Can be used as a supplement to other extend, assign or merge methods as a polyfill for the Symbols part of the es6 Object.assign method.
Package description
The assign-symbols npm package is designed to copy enumerable and non-enumerable symbols from one or more source objects to a target object. This is particularly useful when you need to ensure that all properties, including symbols, are transferred between objects, which is not handled by standard methods like Object.assign.
Copying symbols
This feature allows the copying of symbols from one or more source objects to a target object. It is useful for ensuring that all properties, including non-enumerable and symbol-typed properties, are copied.
const assignSymbols = require('assign-symbols');
const target = {};
const source = {};
Symbol.for('mySymbol') = 'value';
source[Symbol.for('mySymbol')] = 'copied value';
assignSymbols(target, source);
console.log(target[Symbol.for('mySymbol')]); // 'copied value'Similar to assign-symbols, the 'extend' package can also copy properties from one object to another. However, it primarily focuses on copying own properties and does not specifically handle symbols as assign-symbols does.
This package offers functionality similar to Object.assign but includes fixes for certain edge cases. Like assign-symbols, it is used to copy properties from source objects to a target object, but it does not handle symbols specifically.
Readme
Assign the enumerable es6 Symbol properties from one or more objects to the first object passed on the arguments. Can be used as a supplement to other extend, assign or merge methods as a polyfill for the Symbols part of the es6 Object.assign method.
Please consider following this project's author, Jon Schlinkert, and consider starring the project to show your :heart: and support.
Install with npm:
$ npm install --save assign-symbols
A symbol is a unique and immutable data type and may be used as an identifier for object properties. The symbol object is an implicit object wrapper for the symbol primitive data type. - Mozilla Developer docs for Symbol
const assignSymbols = require('assign-symbols');
let target = {};
// add a symbol to object "one"
let one = {};
let symbolOne = Symbol('aaa');
one[symbolOne] = 'bbb';
// add a symbol to object "two"
let two = {};
let symbolTwo = Symbol('ccc');
two[symbolTwo] = 'ddd';
// assign symbols from objects "one" and "two" to object "target"
assignSymbols(target, one, two);
console.log(target[symbolOne]); //=> 'bbb'
console.log(target[symbolTwo]); //=> 'ddd'
Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
$ npm install && npm test
(This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)
To generate the readme, run the following command:
$ npm install -g verbose/verb#dev verb-generate-readme && verb
You might also be interested in these projects:
| Commits | Contributor |
|---|---|
| 4 | jonschlinkert |
| 2 | phated |
Jon Schlinkert
Copyright © 2018, Jon Schlinkert. Released under the MIT License.
This file was generated by verb-generate-readme, v0.6.0, on August 06, 2018.
FAQs
Assign the enumerable es6 Symbol properties from one or more objects to the first object passed on the arguments. Can be used as a supplement to other extend, assign or merge methods as a polyfill for the Symbols part of the es6 Object.assign method.
The npm package assign-symbols receives a total of 9,858,184 weekly downloads. As such, assign-symbols popularity was classified as popular.
We found that assign-symbols demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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