/**
 * 字符串处理
 */

'use strict';
const _ = require('lodash');

/**
 * [判断数字]
 * @param  {[string]} str [验证参数]
 * @return {[Boolean]}
 */
const isNumeric = (str) => {
    return /^\d+(\.\d+)?$/.test(str);
};

/**
 * 参数过滤
 * @param {*} param 
 */
const paramsFilter = (param) => {
    if (param) {
        return _.escape(param);
    } else {
        return param;
    }
};

module.exports = {
    isNumeric,
    paramsFilter
};