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var baseRepeat = require('./_baseRepeat'),
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    baseToString = require('./_baseToString'),
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    castSlice = require('./_castSlice'),
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    hasUnicode = require('./_hasUnicode'),
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    stringSize = require('./_stringSize'),
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    stringToArray = require('./_stringToArray');
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/* Built-in method references for those with the same name as other `lodash` methods. */
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var nativeCeil = Math.ceil;
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/**
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 * Creates the padding for `string` based on `length`. The `chars` string
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 * is truncated if the number of characters exceeds `length`.
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 *
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 * @private
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 * @param {number} length The padding length.
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 * @param {string} [chars=' '] The string used as padding.
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 * @returns {string} Returns the padding for `string`.
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 */
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function createPadding(length, chars) {
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  chars = chars === undefined ? ' ' : baseToString(chars);
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  var charsLength = chars.length;
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  if (charsLength < 2) {
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    return charsLength ? baseRepeat(chars, length) : chars;
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  }
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  var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
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  return hasUnicode(chars)
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    ? castSlice(stringToArray(result), 0, length).join('')
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    : result.slice(0, length);
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}
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module.exports = createPadding;
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