doomi-helper/utilities/stringutility.js

Doomisoft NodeJs Common Utilities

/**
 * 字符串处理的工具类
 */
module.exports.endsWith =function(str,suffix){
    return (str.substr(str.length - suffix.length) === suffix);
}

module.exports.startWith=function(str,prefix){
     return (str.substr(0, prefix.length) === prefix);
}

module.exports.trim =function(str){
      return str.replace(/^\s+|\s+$/g, '');
}

module.exports.trimEnd  =function(str){
      return str.replace(/\s+$/, '');
}

module.exports.trimStart   =function(str){
      return str.replace(/^\s+/, '');
}

module.exports.replace = function(str, replFrom, replTo, ingoreCase = true) {
    // let regex = new RegExp(replFrom, "i", "g");
    // return originalStr.replace(regex, replTo);
    if (!RegExp.prototype.isPrototypeOf(replFrom)) {
        return str.replace(new RegExp(replFrom, (ingoreCase ? "gi" : "g")), replTo);
    }
    return str.replace(replFrom, replTo);
}

String.prototype.format =function(args){
   var _dic = typeof args === "object" ? args :arguments;
       return this.replace(/\{([^{}]+)\}/g, function(item, key) {
       return _dic.hasOwnProperty(key) ? _dic[key] : item;
   });
}

module.exports.format  =function(str,args){
   let arg = [];
   if (arguments.length>1){
       for(var i=1;i<arguments.length;i++) arg.push(arguments[i]);
   }
  return str.format(arg);
}