postal-mime/dist/base64-encoder.cjs

Email parser for Node.js and browser environments

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var base64_encoder_exports = {};
__export(base64_encoder_exports, {
  base64ArrayBuffer: () => base64ArrayBuffer
});
module.exports = __toCommonJS(base64_encoder_exports);
function base64ArrayBuffer(arrayBuffer) {
  var base64 = "";
  var encodings = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var bytes = new Uint8Array(arrayBuffer);
  var byteLength = bytes.byteLength;
  var byteRemainder = byteLength % 3;
  var mainLength = byteLength - byteRemainder;
  var a, b, c, d;
  var chunk;
  for (var i = 0; i < mainLength; i = i + 3) {
    chunk = bytes[i] << 16 | bytes[i + 1] << 8 | bytes[i + 2];
    a = (chunk & 16515072) >> 18;
    b = (chunk & 258048) >> 12;
    c = (chunk & 4032) >> 6;
    d = chunk & 63;
    base64 += encodings[a] + encodings[b] + encodings[c] + encodings[d];
  }
  if (byteRemainder == 1) {
    chunk = bytes[mainLength];
    a = (chunk & 252) >> 2;
    b = (chunk & 3) << 4;
    base64 += encodings[a] + encodings[b] + "==";
  } else if (byteRemainder == 2) {
    chunk = bytes[mainLength] << 8 | bytes[mainLength + 1];
    a = (chunk & 64512) >> 10;
    b = (chunk & 1008) >> 4;
    c = (chunk & 15) << 2;
    base64 += encodings[a] + encodings[b] + encodings[c] + "=";
  }
  return base64;
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  base64ArrayBuffer
});

// Make default export work naturally with require()
if (module.exports.default) {
    var defaultExport = module.exports.default;
    var namedExports = {};
    for (var key in module.exports) {
        if (key !== 'default' && key !== '__esModule') {
            namedExports[key] = module.exports[key];
        }
    }
    module.exports = defaultExport;
    Object.assign(module.exports, namedExports);
    // Preserve __esModule and .default for bundler/transpiler interop
    Object.defineProperty(module.exports, '__esModule', { value: true });
    module.exports.default = defaultExport;
}