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+//
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+// THIS FILE IS AUTOMATICALLY GENERATED! DO NOT EDIT BY HAND!
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+//
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+;(function(global, factory) {
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+ typeof exports === 'object' && typeof module !== 'undefined'
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+ ? module.exports = factory()
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+ : typeof define === 'function' && define.amd
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+ ? define(factory) :
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+ // cf. https://github.com/dankogai/js-base64/issues/119
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+ (function() {
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+ // existing version for noConflict()
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+ const _Base64 = global.Base64;
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+ const gBase64 = factory();
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+ gBase64.noConflict = () => {
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+ global.Base64 = _Base64;
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+ return gBase64;
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+ };
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+ if (global.Meteor) { // Meteor.js
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+ Base64 = gBase64;
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+ }
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+ global.Base64 = gBase64;
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+ })();
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+}((typeof self !== 'undefined' ? self
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+ : typeof window !== 'undefined' ? window
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+ : typeof global !== 'undefined' ? global
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+ : this
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+), function() {
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+ 'use strict';
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+
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+/**
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+* base64.ts
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+*
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+* Licensed under the BSD 3-Clause License.
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+* http://opensource.org/licenses/BSD-3-Clause
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+*
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+* References:
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+* http://en.wikipedia.org/wiki/Base64
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+*
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+* @author Dan Kogai (https://github.com/dankogai)
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+*/
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+const version = '3.6.0';
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+/**
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+* @deprecated use lowercase `version`.
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+*/
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+const VERSION = version;
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+const _hasatob = typeof atob === 'function';
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+const _hasbtoa = typeof btoa === 'function';
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+const _hasBuffer = typeof Buffer === 'function';
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+const _TD = typeof TextDecoder === 'function' ? new TextDecoder() : undefined;
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+const _TE = typeof TextEncoder === 'function' ? new TextEncoder() : undefined;
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+const b64ch = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
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+const b64chs = [...b64ch];
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+const b64tab = ((a) => {
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+ let tab = {};
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+ a.forEach((c, i) => tab[c] = i);
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+ return tab;
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+})(b64chs);
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+const b64re = /^(?:[A-Za-z\d+\/]{4})*?(?:[A-Za-z\d+\/]{2}(?:==)?|[A-Za-z\d+\/]{3}=?)?$/;
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+const _fromCC = String.fromCharCode.bind(String);
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+const _U8Afrom = typeof Uint8Array.from === 'function'
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+ ? Uint8Array.from.bind(Uint8Array)
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+ : (it, fn = (x) => x) => new Uint8Array(Array.prototype.slice.call(it, 0).map(fn));
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+const _mkUriSafe = (src) => src
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+ .replace(/[+\/]/g, (m0) => m0 == '+' ? '-' : '_')
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+ .replace(/=+$/m, '');
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+const _tidyB64 = (s) => s.replace(/[^A-Za-z0-9\+\/]/g, '');
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+/**
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+* polyfill version of `btoa`
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+*/
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+const btoaPolyfill = (bin) => {
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+ // console.log('polyfilled');
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+ let u32, c0, c1, c2, asc = '';
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+ const pad = bin.length % 3;
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+ for (let i = 0; i < bin.length;) {
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+ if ((c0 = bin.charCodeAt(i++)) > 255 ||
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+ (c1 = bin.charCodeAt(i++)) > 255 ||
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+ (c2 = bin.charCodeAt(i++)) > 255)
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+ throw new TypeError('invalid character found');
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+ u32 = (c0 << 16) | (c1 << 8) | c2;
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+ asc += b64chs[u32 >> 18 & 63]
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+ + b64chs[u32 >> 12 & 63]
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+ + b64chs[u32 >> 6 & 63]
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+ + b64chs[u32 & 63];
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+ }
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+ return pad ? asc.slice(0, pad - 3) + "===".substring(pad) : asc;
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+};
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+/**
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+* does what `window.btoa` of web browsers do.
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+* @param {String} bin binary string
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+* @returns {string} Base64-encoded string
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+*/
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+const _btoa = _hasbtoa ? (bin) => btoa(bin)
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+ : _hasBuffer ? (bin) => Buffer.from(bin, 'binary').toString('base64')
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+ : btoaPolyfill;
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+const _fromUint8Array = _hasBuffer
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+ ? (u8a) => Buffer.from(u8a).toString('base64')
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+ : (u8a) => {
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+ // cf. https://stackoverflow.com/questions/12710001/how-to-convert-uint8-array-to-base64-encoded-string/12713326#12713326
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+ const maxargs = 0x1000;
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+ let strs = [];
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+ for (let i = 0, l = u8a.length; i < l; i += maxargs) {
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+ strs.push(_fromCC.apply(null, u8a.subarray(i, i + maxargs)));
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+ }
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+ return _btoa(strs.join(''));
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+ };
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+/**
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+* converts a Uint8Array to a Base64 string.
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+* @param {boolean} [urlsafe] URL-and-filename-safe a la RFC4648 §5
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+* @returns {string} Base64 string
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+*/
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+const fromUint8Array = (u8a, urlsafe = false) => urlsafe ? _mkUriSafe(_fromUint8Array(u8a)) : _fromUint8Array(u8a);
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+// This trick is found broken https://github.com/dankogai/js-base64/issues/130
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+// const utob = (src: string) => unescape(encodeURIComponent(src));
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+// reverting good old fationed regexp
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+const cb_utob = (c) => {
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+ if (c.length < 2) {
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+ var cc = c.charCodeAt(0);
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+ return cc < 0x80 ? c
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+ : cc < 0x800 ? (_fromCC(0xc0 | (cc >>> 6))
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+ + _fromCC(0x80 | (cc & 0x3f)))
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+ : (_fromCC(0xe0 | ((cc >>> 12) & 0x0f))
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+ + _fromCC(0x80 | ((cc >>> 6) & 0x3f))
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+ + _fromCC(0x80 | (cc & 0x3f)));
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+ }
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+ else {
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+ var cc = 0x10000
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+ + (c.charCodeAt(0) - 0xD800) * 0x400
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+ + (c.charCodeAt(1) - 0xDC00);
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+ return (_fromCC(0xf0 | ((cc >>> 18) & 0x07))
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+ + _fromCC(0x80 | ((cc >>> 12) & 0x3f))
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+ + _fromCC(0x80 | ((cc >>> 6) & 0x3f))
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+ + _fromCC(0x80 | (cc & 0x3f)));
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+ }
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+};
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+const re_utob = /[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g;
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+/**
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+* @deprecated should have been internal use only.
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+* @param {string} src UTF-8 string
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+* @returns {string} UTF-16 string
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+*/
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+const utob = (u) => u.replace(re_utob, cb_utob);
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+//
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+const _encode = _hasBuffer
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+ ? (s) => Buffer.from(s, 'utf8').toString('base64')
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+ : _TE
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+ ? (s) => _fromUint8Array(_TE.encode(s))
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+ : (s) => _btoa(utob(s));
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+/**
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+* converts a UTF-8-encoded string to a Base64 string.
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+* @param {boolean} [urlsafe] if `true` make the result URL-safe
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+* @returns {string} Base64 string
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+*/
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+const encode = (src, urlsafe = false) => urlsafe
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+ ? _mkUriSafe(_encode(src))
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+ : _encode(src);
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+/**
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+* converts a UTF-8-encoded string to URL-safe Base64 RFC4648 §5.
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+* @returns {string} Base64 string
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+*/
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+const encodeURI = (src) => encode(src, true);
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+// This trick is found broken https://github.com/dankogai/js-base64/issues/130
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+// const btou = (src: string) => decodeURIComponent(escape(src));
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+// reverting good old fationed regexp
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+const re_btou = /[\xC0-\xDF][\x80-\xBF]|[\xE0-\xEF][\x80-\xBF]{2}|[\xF0-\xF7][\x80-\xBF]{3}/g;
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+const cb_btou = (cccc) => {
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+ switch (cccc.length) {
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+ case 4:
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+ var cp = ((0x07 & cccc.charCodeAt(0)) << 18)
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+ | ((0x3f & cccc.charCodeAt(1)) << 12)
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+ | ((0x3f & cccc.charCodeAt(2)) << 6)
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+ | (0x3f & cccc.charCodeAt(3)), offset = cp - 0x10000;
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+ return (_fromCC((offset >>> 10) + 0xD800)
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+ + _fromCC((offset & 0x3FF) + 0xDC00));
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+ case 3:
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+ return _fromCC(((0x0f & cccc.charCodeAt(0)) << 12)
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+ | ((0x3f & cccc.charCodeAt(1)) << 6)
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+ | (0x3f & cccc.charCodeAt(2)));
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+ default:
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+ return _fromCC(((0x1f & cccc.charCodeAt(0)) << 6)
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+ | (0x3f & cccc.charCodeAt(1)));
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+ }
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+};
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+/**
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+* @deprecated should have been internal use only.
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+* @param {string} src UTF-16 string
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+* @returns {string} UTF-8 string
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+*/
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+const btou = (b) => b.replace(re_btou, cb_btou);
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+/**
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+* polyfill version of `atob`
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+*/
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+const atobPolyfill = (asc) => {
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+ // console.log('polyfilled');
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+ asc = asc.replace(/\s+/g, '');
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+ if (!b64re.test(asc))
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+ throw new TypeError('malformed base64.');
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+ asc += '=='.slice(2 - (asc.length & 3));
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+ let u24, bin = '', r1, r2;
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+ for (let i = 0; i < asc.length;) {
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+ u24 = b64tab[asc.charAt(i++)] << 18
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+ | b64tab[asc.charAt(i++)] << 12
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+ | (r1 = b64tab[asc.charAt(i++)]) << 6
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+ | (r2 = b64tab[asc.charAt(i++)]);
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+ bin += r1 === 64 ? _fromCC(u24 >> 16 & 255)
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+ : r2 === 64 ? _fromCC(u24 >> 16 & 255, u24 >> 8 & 255)
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+ : _fromCC(u24 >> 16 & 255, u24 >> 8 & 255, u24 & 255);
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+ }
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+ return bin;
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+};
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+/**
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+* does what `window.atob` of web browsers do.
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+* @param {String} asc Base64-encoded string
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+* @returns {string} binary string
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+*/
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+const _atob = _hasatob ? (asc) => atob(_tidyB64(asc))
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+ : _hasBuffer ? (asc) => Buffer.from(asc, 'base64').toString('binary')
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+ : atobPolyfill;
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+//
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+const _toUint8Array = _hasBuffer
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+ ? (a) => _U8Afrom(Buffer.from(a, 'base64'))
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+ : (a) => _U8Afrom(_atob(a), c => c.charCodeAt(0));
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+/**
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+* converts a Base64 string to a Uint8Array.
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+*/
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+const toUint8Array = (a) => _toUint8Array(_unURI(a));
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+//
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+const _decode = _hasBuffer
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+ ? (a) => Buffer.from(a, 'base64').toString('utf8')
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+ : _TD
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+ ? (a) => _TD.decode(_toUint8Array(a))
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+ : (a) => btou(_atob(a));
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+const _unURI = (a) => _tidyB64(a.replace(/[-_]/g, (m0) => m0 == '-' ? '+' : '/'));
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+/**
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+* converts a Base64 string to a UTF-8 string.
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+* @param {String} src Base64 string. Both normal and URL-safe are supported
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+* @returns {string} UTF-8 string
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+*/
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+const decode = (src) => _decode(_unURI(src));
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+/**
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+* check if a value is a valid Base64 string
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+* @param {String} src a value to check
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+*/
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+const isValid = (src) => {
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+ if (typeof src !== 'string')
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+ return false;
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+ const s = src.replace(/\s+/g, '').replace(/=+$/, '');
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+ return !/[^\s0-9a-zA-Z\+/]/.test(s) || !/[^\s0-9a-zA-Z\-_]/.test(s);
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+};
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+//
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+const _noEnum = (v) => {
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+ return {
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+ value: v, enumerable: false, writable: true, configurable: true
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+ };
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+};
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+/**
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+* extend String.prototype with relevant methods
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+*/
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+const extendString = function () {
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+ const _add = (name, body) => Object.defineProperty(String.prototype, name, _noEnum(body));
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+ _add('fromBase64', function () { return decode(this); });
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+ _add('toBase64', function (urlsafe) { return encode(this, urlsafe); });
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+ _add('toBase64URI', function () { return encode(this, true); });
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+ _add('toBase64URL', function () { return encode(this, true); });
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+ _add('toUint8Array', function () { return toUint8Array(this); });
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+};
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+/**
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+* extend Uint8Array.prototype with relevant methods
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+*/
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+const extendUint8Array = function () {
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+ const _add = (name, body) => Object.defineProperty(Uint8Array.prototype, name, _noEnum(body));
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+ _add('toBase64', function (urlsafe) { return fromUint8Array(this, urlsafe); });
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+ _add('toBase64URI', function () { return fromUint8Array(this, true); });
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+ _add('toBase64URL', function () { return fromUint8Array(this, true); });
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+};
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+/**
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+* extend Builtin prototypes with relevant methods
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+*/
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+const extendBuiltins = () => {
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+ extendString();
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+ extendUint8Array();
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+};
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+const gBase64 = {
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+ version: version,
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+ VERSION: VERSION,
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+ atob: _atob,
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+ atobPolyfill: atobPolyfill,
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+ btoa: _btoa,
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+ btoaPolyfill: btoaPolyfill,
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+ fromBase64: decode,
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+ toBase64: encode,
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+ encode: encode,
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+ encodeURI: encodeURI,
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+ encodeURL: encodeURI,
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+ utob: utob,
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+ btou: btou,
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+ decode: decode,
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+ isValid: isValid,
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+ fromUint8Array: fromUint8Array,
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+ toUint8Array: toUint8Array,
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+ extendString: extendString,
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+ extendUint8Array: extendUint8Array,
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+ extendBuiltins: extendBuiltins,
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+};
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+
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+ //
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+ // export Base64 to the namespace
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+ //
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+ // ES5 is yet to have Object.assign() that may make transpilers unhappy.
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+ // gBase64.Base64 = Object.assign({}, gBase64);
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+ gBase64.Base64 = {};
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+ Object.keys(gBase64).forEach(k => gBase64.Base64[k] = gBase64[k]);
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+ return gBase64;
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+}));
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