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var trimRight = require('./trimRight')
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var trimLeft = require('./trimLeft')
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/**
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* 去除字符串左右两边的空格
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*
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* @param {String} str 字符串
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* @return {String}
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*/
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function trim (str) {
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return str && str.trim ? str.trim() : trimRight(trimLeft(str))
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}
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module.exports = trim
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