@onesy/utils/esm/binaryStringToHexadecimal.js

Utils

import isValid from './isValid';

const binaryStringToHexadecimal = value_ => {
  if (isValid('binary-string', value_)) {
    let value = '';
    const parts = value_.match(/.{1,4}/g) || [];

    for (const [index, part] of parts.entries()) {
      const decimal = [...part].reduce((result, item) => result = result * 2 + parseInt(item, 10), 0);
      const hexadecimal = decimal.toString(16);

      if (index === parts.length - 1) {
        if (part.length < 4) {
          if (part.length === 1 && ['0', '1'].indexOf(hexadecimal) > -1 || +hexadecimal > 1 && +hexadecimal <= 7) value = '02' + value + hexadecimal;else value = '1' + String(part.length) + value + part;
        } else value = '00' + value + hexadecimal;
      } else value += hexadecimal;
    }

    return value;
  }
};

export default binaryStringToHexadecimal;