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87 lines
2.4 KiB
87 lines
2.4 KiB
export const loadedSubPackages = []
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/**
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* 指定路由 ready 后，检查是否触发分包预加载
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* @param {Object} route
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*/
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export function preloadSubPackages (route) {
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if (!__uniConfig.preloadRule) {
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return
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}
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const options = __uniConfig.preloadRule[route]
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if (!options || !Array.isArray(options.packages)) {
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return
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}
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const packages = options.packages.filter(root => loadedSubPackages.indexOf(root) === -1)
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if (!packages.length) {
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return
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}
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loadSubPackages(options.packages)
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// 暂不需要网络下载
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// const network = options.network || 'wifi'
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// if (network === 'wifi') {
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// uni.getNetworkType({
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// success (res) {
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// if (process.env.NODE_ENV !== 'production') {
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// console.log('UNIAPP[preloadRule]:' + res.networkType + ':' + JSON.stringify(options))
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// }
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// if (res.networkType === 'wifi') {
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// loadSubPackages(options.packages)
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// }
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// }
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// })
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// } else {
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// if (process.env.NODE_ENV !== 'production') {
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// console.log('UNIAPP[preloadRule]:' + JSON.stringify(options))
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// }
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// loadSubPackages(options.packages)
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// }
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}
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export function loadPage (route, callback) {
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let isInSubPackage = false
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const subPackages = __uniConfig.subPackages
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if (Array.isArray(subPackages)) {
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const subPackage = subPackages.find(subPackage => route.indexOf(subPackage.root) === 0)
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if (subPackage) {
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isInSubPackage = true
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loadSubPackage(subPackage.root, callback)
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}
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}
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if (!isInSubPackage) {
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callback()
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}
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}
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function loadSubPackage (root, callback) {
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if (loadedSubPackages.indexOf(root) !== -1) {
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return callback()
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}
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loadSubPackages([root], () => {
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callback()
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})
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}
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const SUB_FILENAME = 'app-sub-service.js'
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function evaluateScriptFiles (files, callback) {
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__uniConfig.onServiceReady(() => {
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weex.requireModule('plus').evalJSFiles(files, callback)
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})
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}
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function loadSubPackages (packages, callback) {
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if (process.env.NODE_ENV !== 'production') {
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console.log('UNIAPP[loadSubPackages]:' + JSON.stringify(packages))
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}
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const startTime = Date.now()
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evaluateScriptFiles(packages.map(root => {
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loadedSubPackages.push(root)
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return root + '/' + SUB_FILENAME
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}), res => {
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if (process.env.NODE_ENV !== 'production') {
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console.log('UNIAPP[loadSubPackages]:耗时(' + (Date.now() - startTime) + ')')
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}
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callback && callback(true)
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})
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}
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