49 lines
1.2 KiB
Markdown
49 lines
1.2 KiB
Markdown
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<!-- DO NOT EDIT THIS FILE! THIS FILE WAS AUTOGENERATED BY TEMPLATE-MATE -->
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<!-- SEE https://github.com/angus-c/just/blob/master/CONTRIBUTING.md#readme-template -->
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## just-extend
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Part of a [library](https://anguscroll.com/just) of zero-dependency npm modules that do just do one thing.
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Guilt-free utilities for every occasion.
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[`🍦 Try it`](https://anguscroll.com/just/just-extend)
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```shell
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npm install just-extend
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```
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```shell
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yarn add just-extend
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```
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Extend an object
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```js
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import extend from 'just-extend';
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var obj = {a: 3, b: 5};
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extend(obj, {a: 4, c: 8}); // {a: 4, b: 5, c: 8}
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obj; // {a: 4, b: 5, c: 8}
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var obj = {a: 3, b: 5};
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extend({}, obj, {a: 4, c: 8}); // {a: 4, b: 5, c: 8}
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obj; // {a: 3, b: 5}
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var arr = [1, 2, 3];
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var obj = {a: 3, b: 5};
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extend(obj, {c: arr}); // {a: 3, b: 5, c: [1, 2, 3]}
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arr.push(4);
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obj; // {a: 3, b: 5, c: [1, 2, 3, 4]}
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var arr = [1, 2, 3];
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var obj = {a: 3, b: 5};
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extend(true, obj, {c: arr}); // {a: 3, b: 5, c: [1, 2, 3]}
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arr.push(4);
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obj; // {a: 3, b: 5, c: [1, 2, 3]}
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extend({a: 4, b: 5}); // {a: 4, b: 5}
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extend({a: 4, b: 5}, 3); {a: 4, b: 5}
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extend({a: 4, b: 5}, true); {a: 4, b: 5}
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extend('hello', {a: 4, b: 5}); // throws
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extend(3, {a: 4, b: 5}); // throws
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```
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