songcomutil/index.js

sxj工具库

const {getFileExt,findObjectByProp,sortByKey,throttle,average,downloadFileFromUrl,isMobile,debounce} = require('./other')
const {flatten,unique} = require('./array/index')
const {filterObjProps} = require('./object/index')
const {formatDate} = require('./date/index')
const {} = require('./string/index')

//判断数组类型
function isArray(arr) {
    return Object.prototype.toString.call(arr) === '[object Array]';
}
//判断对象类型
function isObject(obj) {
    return Object.prototype.toString.call(obj) === '[object Object]';
}
//判断函数类型
function isFunction(fn) {
    return Object.prototype.toString.call(fn) === '[object Function]';
}
//深度克隆对象
function cloneDeep(obj) {
    if (!obj || typeof obj !== 'object') {
        return obj;
    }
    let newObj = Array.isArray(obj) ? [] : {};
    for (let key in obj) {
        if (obj.hasOwnProperty(key)) {
            newObj[key] = cloneDeep(obj[key]);
        }
    }
    return newObj;
}
//合并对象
function merge(target, ...sources) {
    sources.forEach(source => {
        for (let key in source) {
            if (source.hasOwnProperty(key)) {
                if (isObject(source[key])) {
                    target[key] = merge({}, target[key], source[key]);
                } else {
                    target[key] = source[key];
                }
            }
        }
    });
    return target;
}
//随机数生成
function randomNum(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
}
//获取url参数
function getUrlParams(url) {
    const params = {};
    new URL(url || window.location.href).searchParams.forEach((value, key) => {
        params[key] = value;
    });
    return params;
}


module.exports= {
    getFileExt,findObjectByProp,sortByKey,throttle,average,downloadFileFromUrl,isMobile,debounce,
    filterObjProps,
    flatten,unique,
    formatDate,
    getUrlParams,randomNum,merge,cloneDeep,isFunction,isArray
};