peach a19a732be8 commit message 2 jaren geleden
..
.github a19a732be8 commit message 2 jaren geleden
dist a19a732be8 commit message 2 jaren geleden
test a19a732be8 commit message 2 jaren geleden
.editorconfig a19a732be8 commit message 2 jaren geleden
.eslintignore a19a732be8 commit message 2 jaren geleden
.eslintrc a19a732be8 commit message 2 jaren geleden
.nycrc a19a732be8 commit message 2 jaren geleden
CHANGELOG.md a19a732be8 commit message 2 jaren geleden
LICENSE a19a732be8 commit message 2 jaren geleden
README.md a19a732be8 commit message 2 jaren geleden
auto.js a19a732be8 commit message 2 jaren geleden
hasSymbols.js a19a732be8 commit message 2 jaren geleden
implementation.js a19a732be8 commit message 2 jaren geleden
index.js a19a732be8 commit message 2 jaren geleden
package.json a19a732be8 commit message 2 jaren geleden
polyfill.js a19a732be8 commit message 2 jaren geleden
shim.js a19a732be8 commit message 2 jaren geleden

README.md

#object.assign Version Badge

Build Status dependency status dev dependency status License Downloads

npm badge

browser support

An Object.assign shim. Invoke its "shim" method to shim Object.assign if it is unavailable.

This package implements the es-shim API interface. It works in an ES3-supported environment and complies with the spec. In an ES6 environment, it will also work properly with Symbols.

Takes a minimum of 2 arguments: target and source. Takes a variable sized list of source arguments - at least 1, as many as you want. Throws a TypeError if the target argument is null or undefined.

Most common usage:

var assign = require('object.assign').getPolyfill(); // returns native method if compliant
	/* or */
var assign = require('object.assign/polyfill')(); // returns native method if compliant

Example

var assert = require('assert');

// Multiple sources!
var target = { a: true };
var source1 = { b: true };
var source2 = { c: true };
var sourceN = { n: true };

var expected = {
	a: true,
	b: true,
	c: true,
	n: true
};

assign(target, source1, source2, sourceN);
assert.deepEqual(target, expected); // AWESOME!
var target = {
	a: true,
	b: true,
	c: true
};
var source1 = {
	c: false,
	d: false
};
var sourceN = {
	e: false
};

var assigned = assign(target, source1, sourceN);
assert.equal(target, assigned); // returns the target object
assert.deepEqual(assigned, {
	a: true,
	b: true,
	c: false,
	d: false,
	e: false
});
/* when Object.assign is not present */
delete Object.assign;
var shimmedAssign = require('object.assign').shim();
	/* or */
var shimmedAssign = require('object.assign/shim')();

assert.equal(shimmedAssign, assign);

var target = {
	a: true,
	b: true,
	c: true
};
var source = {
	c: false,
	d: false,
	e: false
};

var assigned = assign(target, source);
assert.deepEqual(Object.assign(target, source), assign(target, source));
/* when Object.assign is present */
var shimmedAssign = require('object.assign').shim();
assert.equal(shimmedAssign, Object.assign);

var target = {
	a: true,
	b: true,
	c: true
};
var source = {
	c: false,
	d: false,
	e: false
};

assert.deepEqual(Object.assign(target, source), assign(target, source));

Tests

Simply clone the repo, npm install, and run npm test