Function decodeUTF32

src/pkg/utils/encoding.ts:12–34

(utf32Bytes: Uint8Array, isLE: boolean = true)

};

export const decodeUTF32 = (utf32Bytes: Uint8Array, isLE: boolean = true): string => {
  if (!(utf32Bytes instanceof Uint8Array)) {
    throw new TypeError("utf32Bytes must be a Uint8Array");
  }
  const byteLen = utf32Bytes.byteLength;
  if (byteLen % 4 !== 0) {
    throw new RangeError("UTF-32 byte length must be a multiple of 4");
  }
  const view = new DataView(utf32Bytes.buffer, utf32Bytes.byteOffset, byteLen);
  let out = "";
  let chunk: number[] = [];
  for (let i = 0; i < byteLen; i += 4) {
    const codePoint = view.getUint32(i, isLE);
    if (i === 0 && codePoint === 0x0000feff) continue;
    chunk.push(codePoint);
    if (chunk.length >= 16384) {
      out += String.fromCodePoint(...chunk);
      chunk = [];
    }
  }
  if (chunk.length) out += String.fromCodePoint(...chunk);
  return out;
};

export const bytesDecode = (charset: string, bytes: Uint8Array): string => {
  const normalizedCharset = charset.toLowerCase();