Function hexToUint8Array

blue_modules/uint8array-extras/index.js:230–252

(hexString)

};

export function hexToUint8Array(hexString) {
  assertString(hexString);

  if (hexString.length % 2 !== 0) {
    throw new Error('Invalid Hex string length.');
  }

  const resultLength = hexString.length / 2;
  const bytes = new Uint8Array(resultLength);

  for (let index = 0; index < resultLength; index++) {
    const highNibble = hexToDecimalLookupTable[hexString[index * 2]];
    const lowNibble = hexToDecimalLookupTable[hexString[index * 2 + 1]];

    if (highNibble === undefined || lowNibble === undefined) {
      throw new Error(`Invalid Hex character encountered at position ${index * 2}`);
    }

    bytes[index] = (highNibble << 4) | lowNibble; // eslint-disable-line no-bitwise
  }

  return bytes;
}

/**
@param {DataView} view