text: import baseToString from "./_baseToString.js";
  import baseTrim from "./_baseTrim.js";
  import castSlice from "./_castSlice.js";
  import charsEndIndex from "./_charsEndIndex.js";
  import charsStartIndex from "./_charsStartIndex.js";
  import stringToArray from "./_stringToArray.js";
  import toString from "./toString.js";
  
  /**
   * Removes leading and trailing whitespace or specified characters from `string`.
   *
   * @static
   * @memberOf _
   * @since 3.0.0
   * @category String
   * @param {string} [string=''] The string to trim.
   * @param {string} [chars=whitespace] The characters to trim.
   * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
   * @returns {string} Returns the trimmed string.
   * @example
   *
   * _.trim('  abc  ');
   * // => 'abc'
   *
   * _.trim('-_-abc-_-', '_-');
   * // => 'abc'
   *
   * _.map(['  foo  ', '  bar  '], _.trim);
   * // => ['foo', 'bar']
   */
  function trim(string, chars, guard) {
    string = toString(string);
    if (string && (guard || chars === undefined)) {
      return baseTrim(string);
    }
    if (!string || !(chars = baseToString(chars))) {
      return string;
    }
    var strSymbols = stringToArray(string),
      chrSymbols = stringToArray(chars),
      start = charsStartIndex(strSymbols, chrSymbols),
      end = charsEndIndex(strSymbols, chrSymbols) + 1;
  
    return castSlice(strSymbols, start, end).join("");
  }
  
  export default trim;
  