@yoroi/common/lib/module/utils/strings.js

The Common package of Yoroi SDK

import { isArrayOfType, isString } from './parsers';

/**
 * Returns a string representation of the given value, if possible.
 * @param {string | string[] | undefined | null} value - The value to convert to a string.
 * @returns {string} A string representation of the value, or undefined if not possible.
 */
export function asConcatenedString(value) {
  if (value === null || value === undefined) return;
  if (isString(value)) return value;
  if (isArrayOfType(value, isString)) return value.join('');
  return; // TS
}

export function truncateString(_ref) {
  let {
    value,
    maxLength,
    separator = '...'
  } = _ref;
  if (value.length <= maxLength) return value;
  const partLength = Math.floor((maxLength - separator.length) / 2);
  const start = value.substring(0, partLength);
  const end = value.substring(value.length - partLength);
  return `${start}${separator}${end}`;
}
export function hexToAscii(hex) {
  if (hex === '' || !/^[0-9a-fA-F]*$/.test(hex) || hex.length % 2 !== 0) {
    return '';
  }
  return hex.match(/.{1,2}/g).map(byte => String.fromCharCode(parseInt(byte, 16))).join('');
}
export function asciiToHex(str) {
  return Array.from(str).map(char => char.charCodeAt(0).toString(16).padStart(2, '0')).join('');
}
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