/**
 * 将 Unicode 编码为 ASCII
 */
export const toBinary = (target: string): string => {
  const codeUnits = new Uint16Array(target.length);
  for (let i = 0; i < codeUnits.length; i++) {
    codeUnits[i] = target.charCodeAt(i);
  }
  const charCodes = new Uint8Array(codeUnits.buffer);
  let result = '';
  for (let i = 0; i < charCodes.byteLength; i++) {
    result += String.fromCharCode(charCodes[i]);
  }
  return result;
};

/**
 * 将 toBinary 编码过的 ASCII 解码为 Unicode
 */
export const fromBinary = (target: string): string => {
  const bytes = new Uint8Array(target.length);
  for (let i = 0; i < bytes.length; i++) {
    bytes[i] = target.charCodeAt(i);
  }
  const charCodes = new Uint16Array(bytes.buffer);
  let result = '';
  for (let i = 0; i < charCodes.length; i++) {
    result += String.fromCharCode(charCodes[i]);
  }
  return result;
};