text: var toValString = require('./toString')
  
  /**
    * 去除字符串左边的空格
    *
    * @param {String} str 字符串
    * @return {String}
    */
  function trimLeft (str) {
    return str && str.trimLeft ? str.trimLeft() : toValString(str).replace(/^[\s\uFEFF\xA0]+/g, '')
  }
  
  module.exports = trimLeft
  