53 lines
1.3 KiB
Markdown
53 lines
1.3 KiB
Markdown
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# b64u-lite [](https://npmjs.com/package/b64u-lite) [](https://travis-ci.org/kevlened/b64u-lite) [](https://bundlephobia.com/result?p=b64u-lite)
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isomorphic base64url library in 244 bytes
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## Usage
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```javascript
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const b64u = require('b64u-lite');
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b64u.toBase64Url('hi there? 你好');
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// aGkgdGhlcmU_IOS9oOWlvQ
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// add padding
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b64u.toBase64Url('hi there? 你好', true);
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// aGkgdGhlcmU_IOS9oOWlvQ==
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// convert a buffer to b64u
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b64u.toBase64Url(new Uint8Array([228, 189, 160, 229, 165, 189]).buffer);
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// 5L2g5aW9
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// convert b64u to a buffer
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b64u.toBuffer('5L2g5aW9');
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// new Uint8Array([228, 189, 160, 229, 165, 189]).buffer
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// works with or without padding
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b64u.fromBase64Url('aGkgdGhlcmU_IOS9oOWlvQ==');
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b64u.fromBase64Url('aGkgdGhlcmU_IOS9oOWlvQ');
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// hi there? 你好
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// equivalent to btoa
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b64u.fromBinaryString('hi there? ');
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// aGkgdGhlcmU_IA
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// with padding
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b64u.fromBinaryString('hi there? ', true);
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// aGkgdGhlcmU_IA==
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// equivalent to atob
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b64u.toBinaryString('aGkgdGhlcmU=');
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// hi there?
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```
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## Can it be smaller?
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If you use ES6 imports with a bundler that supports tree-shaking, yes!
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```javascript
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import { toBase64Url } from 'b64u-lite'
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```
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## License
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MIT
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