ptool/dist/libs/lStorage.js

vue项目开发通用工具类封装

"use strict";
/**
 * @FileName lStorage.ts
 * @Author Mad Dragon <395548460@qq.com>
 * @Version V 0.0.1
 * @Date 2021/4/13 11:40
 * @Title 存储localStorage
 * @Desc
 **/
Object.defineProperty(exports, "__esModule", { value: true });
const isNull = (obj) => typeof obj === 'undefined' || obj === null;
const trim = (str) => isNull(str) ? '' : (`${str}`).replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
const getAll = () => {
    const len = localStorage.length; // 获取长度
    // console.log(len); // 输出5
    const arr = []; // 定义数据集
    for (let i = 0; i < len; i += 1) {
        // 获取key 索引从0开始
        const getKey = localStorage.key(i) || '';
        // 获取key对应的值
        const getVal = localStorage.getItem(getKey);
        // 放进数组
        arr[i] = {
            key: getKey,
            val: getVal
        };
    }
    return arr;
};
const removeItem = (key) => {
    if (!key && typeof window === 'undefined')
        return;
    window.localStorage.removeItem(key);
};
const setItem = (key, content) => {
    if (!key && typeof window === 'undefined')
        return;
    let contentTxt = content;
    if (typeof content !== 'string') {
        contentTxt = JSON.stringify(content);
    }
    window.localStorage.setItem(key, contentTxt);
};
const getItem = (key) => {
    if (!key && typeof window === 'undefined')
        return '';
    return window.localStorage.getItem(key) || '';
};
const removeDataFromKey = (key = '') => {
    const all = getAll();
    for (let i = 0, len = all.length; i < len; i += 1) {
        if (trim(all[i].key).indexOf(key) !== -1) {
            removeItem(all[i].key);
        }
    }
};
exports.default = {
    // 存储localStorage
    setItem,
    // 获取localStorage
    getItem,
    // 删除localStorage
    removeItem,
    // 从localStorage删除所有保存的数据
    clear: () => window.localStorage.clear(),
    // 获取所有的 缓存数据
    getAll,
    // 删除指定 key匹配的数据
    removeDataFromKey
};