1  var baseRepeat = require('./_baseRepeat'),
 2      baseToString = require('./_baseToString'),
 3      castSlice = require('./_castSlice'),
 4      hasUnicode = require('./_hasUnicode'),
 5      stringSize = require('./_stringSize'),
 6      stringToArray = require('./_stringToArray');
 7  
 8  /* Built-in method references for those with the same name as other `lodash` methods. */
 9  var nativeCeil = Math.ceil;
10  
11  /**
12   * Creates the padding for `string` based on `length`. The `chars` string
13   * is truncated if the number of characters exceeds `length`.
14   *
15   * @private
16   * @param {number} length The padding length.
17   * @param {string} [chars=' '] The string used as padding.
18   * @returns {string} Returns the padding for `string`.
19   */
20  function createPadding(length, chars) {
21    chars = chars === undefined ? ' ' : baseToString(chars);
22  
23    var charsLength = chars.length;
24    if (charsLength < 2) {
25      return charsLength ? baseRepeat(chars, length) : chars;
26    }
27    var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
28    return hasUnicode(chars)
29      ? castSlice(stringToArray(result), 0, length).join('')
30      : result.slice(0, length);
31  }
32  
33  module.exports = createPadding;