Base64.js

"use strict";
// @flow
// Inspired by: https://github.com/davidchambers/Base64.js/blob/master/base64.js
exports.__esModule = true;
var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
var Base64 = {
    btoa: function (input) {
        if (input === void 0) { input = ''; }
        var str = input;
        var output = '';
        for (var block = 0, charCode = void 0, i = 0, map = chars; str.charAt(i | 0) || (map = '=', i % 1); output += map.charAt(63 & block >> 8 - i % 1 * 8)) {
            charCode = str.charCodeAt(i += 3 / 4);
            if (charCode > 0xFF) {
                throw new Error("'btoa' failed: The string to be encoded contains characters outside of the Latin1 range.");
            }
            block = block << 8 | charCode;
        }
        return output;
    },
    atob: function (input) {
        if (input === void 0) { input = ''; }
        var str = input.replace(/=+$/, '');
        var output = '';
        if (str.length % 4 == 1) {
            throw new Error("'atob' failed: The string to be decoded is not correctly encoded.");
        }
        for (var bc = 0, bs = 0, buffer = void 0, i = 0; buffer = str.charAt(i++); ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,
            bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0) {
            buffer = chars.indexOf(buffer);
        }
        return output;
    }
};
exports["default"] = Base64;