source: trip-planner-front/node_modules/base64-arraybuffer/dist/base64-arraybuffer.umd.js

/*
 * base64-arraybuffer 1.0.1 <https://github.com/niklasvh/base64-arraybuffer>
 * Copyright (c) 2021 Niklas von Hertzen <https://hertzen.com>
 * Released under MIT License
 */
(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
    typeof define === 'function' && define.amd ? define(['exports'], factory) :
    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global['base64-arraybuffer'] = {}));
}(this, (function (exports) { 'use strict';

    var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
    // Use a lookup table to find the index.
    var lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);
    for (var i = 0; i < chars.length; i++) {
        lookup[chars.charCodeAt(i)] = i;
    }
    var encode = function (arraybuffer) {
        var bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';
        for (i = 0; i < len; i += 3) {
            base64 += chars[bytes[i] >> 2];
            base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
            base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
            base64 += chars[bytes[i + 2] & 63];
        }
        if (len % 3 === 2) {
            base64 = base64.substring(0, base64.length - 1) + '=';
        }
        else if (len % 3 === 1) {
            base64 = base64.substring(0, base64.length - 2) + '==';
        }
        return base64;
    };
    var decode = function (base64) {
        var bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;
        if (base64[base64.length - 1] === '=') {
            bufferLength--;
            if (base64[base64.length - 2] === '=') {
                bufferLength--;
            }
        }
        var arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);
        for (i = 0; i < len; i += 4) {
            encoded1 = lookup[base64.charCodeAt(i)];
            encoded2 = lookup[base64.charCodeAt(i + 1)];
            encoded3 = lookup[base64.charCodeAt(i + 2)];
            encoded4 = lookup[base64.charCodeAt(i + 3)];
            bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
            bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
            bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
        }
        return arraybuffer;
    };

    exports.decode = decode;
    exports.encode = encode;

    Object.defineProperty(exports, '__esModule', { value: true });

})));
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