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@brandingbrand/utils-base64

# base64 [![Build status](https://travis-ci.org/mathiasbynens/base64.svg?branch=master)](https://travis-ci.org/mathiasbynens/base64) [![Code coverage status](http://img.shields.io/coveralls/mathiasbynens/base64/master.svg)](https://coveralls.io/r/mathiasb


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Source

This is a fork of https://github.com/mathiasbynens/base64

base64 Build status Code coverage status

base64 is a robust base64 encoder/decoder that is fully compatible with atob() and btoa(), written in JavaScript. The base64-encoding and -decoding algorithms it uses are fully RFC 4648 compliant.

Installation

Via npm:

npm install base-64

In a browser:

<script src="base64.js"></script>

In Narwhal, Node.js, and RingoJS:

var base64 = require('base-64');

In Rhino:

load('base64.js');

Using an AMD loader like RequireJS:

require({
  paths: {
    base64: 'path/to/base64',
  },
}, ['base64'], function (base64) {
  console.log(base64);
});

API

base64.version

A string representing the semantic version number.

base64.encode(input)

This function takes a byte string (the input parameter) and encodes it according to base64. The input data must be in the form of a string containing only characters in the range from U+0000 to U+00FF, each representing a binary byte with values 0x00 to 0xFF. The base64.encode() function is designed to be fully compatible with btoa() as described in the HTML Standard.

var encodedData = base64.encode(input);

To base64-encode any Unicode string, encode it as UTF-8 first:

var base64 = require('base-64');
var utf8 = require('utf8');

var text = 'foo © bar 𝌆 baz';
var bytes = utf8.encode(text);
var encoded = base64.encode(bytes);
console.log(encoded);
// → 'Zm9vIMKpIGJhciDwnYyGIGJheg=='

base64.decode(input)

This function takes a base64-encoded string (the input parameter) and decodes it. The return value is in the form of a string containing only characters in the range from U+0000 to U+00FF, each representing a binary byte with values 0x00 to 0xFF. The base64.decode() function is designed to be fully compatible with atob() as described in the HTML Standard.

var decodedData = base64.decode(encodedData);

To base64-decode UTF-8-encoded data back into a Unicode string, UTF-8-decode it after base64-decoding it:

var encoded = 'Zm9vIMKpIGJhciDwnYyGIGJheg==';
var bytes = base64.decode(encoded);
var text = utf8.decode(bytes);
console.log(text);
// → 'foo © bar 𝌆 baz'

Support

base64 is designed to work in at least Node.js v0.10.0, Narwhal 0.3.2, RingoJS 0.8-0.9, PhantomJS 1.9.0, Rhino 1.7RC4, as well as old and modern versions of Chrome, Firefox, Safari, Opera, and Internet Explorer.

Unit tests & code coverage

After cloning this repository, run npm install to install the dependencies needed for development and testing. You may want to install Istanbul globally using npm install istanbul -g.

Once that’s done, you can run the unit tests in Node using npm test or node tests/tests.js. To run the tests in Rhino, Ringo, Narwhal, and web browsers as well, use grunt test.

To generate the code coverage report, use grunt cover.

Author

twitter/mathias
Mathias Bynens

License

base64 is available under the MIT license.

FAQs

Last updated on 10 Aug 2023

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