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'use strict'; |
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module.exports = function (str, len, ch) { |
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str = str + ''; |
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len = len - str.length; |
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if (len <= 0) return str; |
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if (!ch && ch !== 0) ch = ' '; |
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ch = ch + ''; |
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while (len--) { |
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str = ch + str; |
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} |
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return str; |
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}
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