48 lines
1016 B
JavaScript
48 lines
1016 B
JavaScript
"use strict";
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const common_vendor = require("../../../../common/vendor.js");
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let windowWidth = 0;
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let windowHeight = 0;
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common_vendor.index.getSystemInfo({
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success(res) {
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windowWidth = res.windowWidth;
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windowHeight = res.windowHeight;
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}
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});
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const getSystemInfo = () => {
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return [windowWidth, windowHeight];
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};
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const bindInstance = () => {
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let instance = {};
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return {
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/**
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* 提供键名，绑定对象值
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*/
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set: (bindName, data = null) => {
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if (!instance[bindName]) {
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instance[bindName] = data;
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}
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return instance[bindName] || {};
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},
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get: (bindName) => {
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return instance[bindName] || {};
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},
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/**
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* 清除实例对象的所有缓存值
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*/
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clear: () => {
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instance = {};
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},
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/**
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* 清楚实例对象特定的键
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*/
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remove: (bindName) => {
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instance[bindName] && delete instance[bindName];
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}
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};
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};
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const util = {
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getSystemInfo,
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cacheInstance: bindInstance()
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};
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exports.util = util;
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