		import btoa from './btoa';
		import btoau from './btoau';
		import atob from './atob';
		export { btoa, atob };
		import atobu from './atobu';
		export { btoa, btoau, atob, atobu };

lib/index.js

		@@ -54,2 +54,6 @@ 'use strict';

		var btoau = (function (input) {
		return btoa$1(input).replace(/\+/g, '-').replace(/\//g, '_');
		});

		var E$1 = error('The string to be decoded is not correctly encoded');
		@@ -92,3 +96,9 @@ var _atob = typeof atob !== 'undefined'

		var atobu = (function (input) {
		return atob$1(input.replace(/-/g, '+').replace(/_/g, '/'));
		});

		exports.atob = atob$1;
		exports.atobu = atobu;
		exports.btoa = btoa$1;
		exports.btoau = btoau;

package.json

		{
		"name": "b2a",
		"version": "1.0.12",
		"version": "1.1.0",
		"description": "btoa and atob (ie base64 encoding and decoding) support for node.js or old browsers, with the Unicode Problems fixed",
		@@ -11,6 +11,10 @@ "main": "lib/index.js",
		"build:es": "BABEL_ENV=es babel --out-dir es src",
		"test": "BABEL_ENV=ava nyc ava --verbose --timeout=10s",
		"prepublish": "npm run build",
		"report-cov": "nyc report --reporter=text-lcov > coverage.lcov && codecov",
		"posttest": "npm run report-cov"
		"test:only": "BABEL_ENV=ava nyc ava --verbose --timeout=10s",
		"test:dev": "npm run test:only && npm run report:dev",
		"test": "npm run test:only",
		"prepublishOnly": "npm run build",
		"posttest": "npm run report",
		"report": "nyc report --reporter=text-lcov > coverage.lcov && codecov",
		"report:dev": "nyc report --reporter=html && npm run report:open",
		"report:open": "open coverage/index.html"
		},
		@@ -56,16 +60,16 @@ "files": [
		"devDependencies": {
		"@babel/cli": "^7.4.4",
		"@babel/cli": "^7.5.5",
		"@babel/plugin-transform-arrow-functions": "^7.2.0",
		"@babel/plugin-transform-block-scoping": "^7.4.4",
		"@babel/preset-env": "^7.4.5",
		"@babel/register": "^7.4.4",
		"ava": "^2.1.0",
		"@babel/plugin-transform-block-scoping": "^7.5.5",
		"@babel/preset-env": "^7.5.5",
		"@babel/register": "^7.5.5",
		"ava": "^2.2.0",
		"codecov": "^3.5.0",
		"eslint-config-ostai": "^3.0.0",
		"eslint-plugin-import": "^2.17.3",
		"eslint-plugin-import": "^2.18.2",
		"nyc": "^14.1.1",
		"rollup": "^1.16.2",
		"rollup": "^1.19.3",
		"rollup-plugin-babel": "^4.3.3",
		"rollup-plugin-node-resolve": "^5.0.4"
		"rollup-plugin-node-resolve": "^5.2.0"
		}
		}

README.md

		@@ -20,3 +20,3 @@ [![Build Status](https://travis-ci.org/kaelzhang/b2a.svg?branch=master)](https://travis-ci.org/kaelzhang/b2a)

		The common problem of other libraries is that they fail to encode 16-bit strings. Since DOMStrings are 16-bit-encoded strings, in most browsers calling `window.btoa` on a Unicode string will cause a `'Character Out Of Range'` exception if a character exceeds the range of a 8-bit byte (`0x00~0xFF`).
		The common problem of other libraries is that they fail to encode 16-bit strings. Since DOMStrings are 16-bit-encoded strings, in most browsers calling `window.btoa` on a Unicode string will cause a `'Character Out Of Range'` exception if a character exceeds the range of a 8-bit byte (`0x00~0xFF`).

		@@ -35,8 +35,15 @@ This module will try to reuse `window.atob` and `window.btoa` when possible.
		import {
		// Encode a string in base-64
		btoa,
		// Decode a string in base-64
		atob,
		btoa

		// Encode a string into base64url
		btoau,
		// Decode a base64url-encoded string
		atobu
		} from 'b2a'

		btoa('a') // 'YQ=='
		window.btoa('a') // 'YQ==', works fine with ASCII characters
		btoa('a') // 'YQ=='
		window.btoa('a') // 'YQ==', works fine with ASCII characters

		@@ -47,15 +54,30 @@
		// will cause a Character Out Of Range exception.
		window.btoa('中文') // throws InvalidCharacterError
		window.btoa('中文') // throws InvalidCharacterError ❌

		btoa('中文') // '5Lit5paH'
		btoa('中文') // '5Lit5paH' ✅


		// Oooooooops!
		window.atob('5Lit5paH') // 'ä¸æ', oh no!
		window.atob('5Lit5paH') // 'ä¸æ', oh no! ❌

		atob('5Lit5paH') // '中文', great!
		atob('5Lit5paH') // '中文', great! ✅


		btoau('μπορούμε') // zrzPgM6_z4HOv8-NzrzOtQ==

		atobu('zrzPgM6_z4HOv8-NzrzOtQ==') // μπορούμε
		```

		### `base64url` support since 1.1.0

		Since `1.1.0`, `btoau` and `atobu` are introduced to encode and decode in [base64url](https://en.wikipedia.org/wiki/Base64#URL_applications) format.

		```js
		import {btoau} from 'b2a'

		location.href = `https://domain.com/login?return_to=${btoau(location.href)}`
		```

		## License

		MIT

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