完成hash路由的开发
parent
34ac7ab8ed
commit
aed4ecf4cd
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@ -31,6 +31,7 @@ export function createApp({
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}
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this.mount = function () {
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let $router = window.__wkitd__.get('$router')
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window.foo = $router
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if (render) {
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App.prototype.render = render
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} else {
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@ -72,8 +73,8 @@ export function createApp({
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App.prototype.mounted = function (...args) {
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let $view = window.__wkitd__.get('ROUTER_VIEW')
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if ($view) {
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$view.sync($router.getViews())
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$router.init()
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$view.sync($router.views)
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$router.init() // mounted 时正式初始化路由
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mounted.call(this, ...args)
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} else {
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throw new Error(
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@ -5,17 +5,11 @@
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*
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*/
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import { bind, fire } from 'wkit'
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import { query2object } from '../utils.js'
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import { noop, query2object, object2query } from '../utils.js'
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//hash前缀正则
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const PREFIX_REGEXP = /^(#!|#)[\/]?/
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const TRIM_REGEXP = /(^[/]+)|([/]+$)/g
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const DEFAULT_OPTIONS = {
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allowReload: true //连续点击同一个链接是否重新加载
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}
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const RULE_REGEXP =
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/(:id)|(\{id\})|(\{id:([A-z\d\,\[\]\{\}\-\+\*\?\!:\^\$]*)\})/g
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const PREFIX_REGEXP = /^(#!|#)[\/]+?/
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const RULE_REGEXP = /(\/[^/]*)(:[A-Za-z0-9_]+)(\?)?/g
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class Router {
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type = 'hash'
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@ -23,71 +17,72 @@ class Router {
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#tables = new Map()
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#views = new Set()
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#targets = new Set()
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#targets = new Map()
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#ready = false
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#options = Object.create(null)
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#route = Object.create(null)
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constructor(options = {}) {
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Object.assign(this.#options, DEFAULT_OPTIONS, options)
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#beforeEach
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bind(window, 'load, popstate', this.#hashchange.bind(this))
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constructor() {
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bind(window, 'popstate', this.#hashchange.bind(this))
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}
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// 只读route
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get route() {
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return this.#route
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}
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#hashchange(ev) {
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if (ev?.type === 'load') {
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if (this.#ready) {
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return
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}
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this.#ready = true
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}
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// 只读views
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get views() {
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return Array.from(this.#views)
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}
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if (ev?.type === 'load') {
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// this.go()
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// hash模式要手动触发一下路由检测
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this.#check()
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} else {
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this.#check()
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#hashchange(ev) {
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if (!this.#ready) {
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return
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}
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this.#check()
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}
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#parseRule(route) {
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if (route.path === '!') {
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route.regexp = null
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} else {
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let re = route.path.replace(RULE_REGEXP, function (m, p1, p2, p3, p4) {
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let w = '([\\w.-]'
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if (p1 || p2) {
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return w + '+)'
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} else {
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if (!/^\{[\d\,]+\}$/.test(p4)) {
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w = '('
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let vars = []
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let re
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if (route.path.includes('?') && route.path.at(-1) !== '?') {
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throw new SyntaxError(
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`The exp "?" can only be used in the last.\n\n ${JSON.stringify(
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route
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)}\n`
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)
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}
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re = route.path.replace(
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RULE_REGEXP,
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function (m, _prefix, _var, _require) {
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vars.push(_var.slice(1))
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if (_prefix === '/') {
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_prefix = '/?'
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}
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return w + p4 + ')'
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return _prefix + '([A-Za-z0-9_]+)' + _require
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}
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})
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re = re
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.replace(/(([^\\])([\/]+))/g, '$2\\/')
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.replace(/(([^\\])([\.]+))/g, '$2\\.')
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.replace(/(([^\\])([\-]+))/g, '$2\\-')
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.replace(/(\(.*)(\\[\-]+)(.*\))/g, '$1-$3')
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)
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re = '^' + re + '$'
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route.regexp = new RegExp(re)
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route.vars = vars
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}
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return route
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}
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#add(route) {
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if (route.path !== '!' && route.path[0] !== '/') {
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console.error('路由规则必须以"/"开头')
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console.error('route path must start with "/"')
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return
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}
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route.path = route.path.replace(/^[\/]+|[\/]+$|\s+/g, '')
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route.path = route.path.replace(/^[\/]+|[\/]+$|\s+/g, '/')
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this.#tables.set(route.path, this.#parseRule(route))
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this.#views.add(route.name)
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@ -95,7 +90,6 @@ class Router {
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// 路由检测
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#check() {
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let { allowReload } = this.#options
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let $view = window.__wkitd__.get('ROUTER_VIEW')
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let path = location.hash
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let query
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@ -103,67 +97,74 @@ class Router {
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if (path.includes('?')) {
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;[path, query] = path.split('?')
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}
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path = path.replace(PREFIX_REGEXP, '').replace(TRIM_REGEXP, '')
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path = path.replace(PREFIX_REGEXP, '/')
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// console.log(path, query, query2object(query))
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if (!$view || (!allowReload && path === this.#route.path)) {
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if (!$view || path === this.#route.path) {
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return
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}
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for (let [k, route] of this.#tables) {
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let args = path.match(route.regexp)
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if (args) {
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args.shift()
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$view.current = route.name
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this.#route.path = path
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this.#route.name = route.name
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this.#route.params = args
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this.#route.query = {}
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this.#rsync()
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return
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let params = Object.create(null)
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for (let i = 1; i < args.length; i++) {
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params[[route.vars[i - 1]]] = args[i]
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}
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let next = {
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path,
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name: route.name,
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params,
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query: query2object(query)
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}
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if (this.#beforeEach) {
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return this.#beforeEach(this.route, next, () => {
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this.#exec(next)
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})
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}
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return this.#exec(next)
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}
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}
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if (this.#tables.get('!')) {
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route = this.#tables.get('!')
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let route = this.#tables.get('!')
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$view.current = route.name
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this.#route = { path, name: route.name, params: {}, query: {} }
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}
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}
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#exec(route) {
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let $view = window.__wkitd__.get('ROUTER_VIEW')
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$view.current = route.name
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this.#route = route
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this.#rsync()
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}
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#rsync() {
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for (let callback of this.#targets) {
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callback(this.route)
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for (let [target, callback] of this.#targets) {
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callback.call(target, this.route)
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}
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}
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// 正式初始化路由监听, web components的特性, router-view未加载之前
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// 无法对路由进行操作, 所以需要另外在路由mounted时触发
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init() {
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this.#ready = true
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this.#hashchange()
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}
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rsync(callback) {
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this.#targets.add(callback)
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}
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getViews() {
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return Array.from(this.#views)
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}
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beforeEach(callback) {
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callback(prev, next, function () {
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//
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})
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}
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// 跳转到路由
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go(path) {
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path = path.trim().replace(TRIM_REGEXP, '')
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// 页面刷新时, 不主动添加空hash, 避免执行2次noMatch回调
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if (!path && path === location.hash) {
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return
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/**
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* 用于同步路由到组件的
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*/
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rsync(target, callback) {
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this.#targets.set(target, callback)
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// 路由已经初始化完成时, 还有新的同步请求则立刻执行
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if (this.#ready) {
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this.#rsync()
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}
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location.hash = '!/' + path
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}
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beforeEach(callback = noop) {
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this.#beforeEach = callback
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}
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// 绑定路由事件
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@ -175,17 +176,52 @@ class Router {
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} else {
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this.#add(routes)
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}
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// 因为先初始化,才开始监听路由规则
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// 所以会导致wondow load的时候, 规则还没生效, 而生效之后,load已经结束
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// 所以这里需要手动再触发一次load
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// 初始化后再添加路由, 手动执行一次回调
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if (this.#ready) {
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this.#hashchange()
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} else {
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fire(window, 'load')
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}
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}
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go(delta = 0) {
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history.go(delta)
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}
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back() {
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this.go(-1)
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}
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forward() {
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this.go(1)
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}
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//
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push(obj = { path: '', query: {} }, replace = false) {
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let path = ''
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if (typeof path === 'string') {
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path = obj.trim()
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} else {
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let query = object2query(obj.query || '')
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path = obj.path + (query ? `?${query}` : '')
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}
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// 空路径及相同路径, 不重复执行
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if (!path && path === location.hash.slice(1)) {
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return
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}
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if (replace) {
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location.replace(path.replace(/^\//, '#/'))
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} else {
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location.hash = path
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}
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}
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//
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replace(obj = { path: '', query: {} }) {
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this.push(obj, true)
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}
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}
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export default function () {
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return new Router()
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return () => new Router()
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}
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@ -10,20 +10,21 @@ import './router-components.js'
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export { createWebHashHistory, createWebHistory }
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export function createRouter(
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{ history = createWebHashHistory, routes = [] } = {},
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options
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) {
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let $router = history(options)
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export function createRouter({
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history = createWebHashHistory(),
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routes = []
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} = {}) {
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let $router = history()
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window.__wkitd__.set('$router', $router)
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Component.prototype.$router = $router
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$router.addRoute(routes)
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return function () {
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function wrapper() {
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return $router
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}
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wrapper.beforeEach = $router.beforeEach.bind($router)
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return wrapper
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}
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export function getRouter() {
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@ -15,6 +15,7 @@ class RouterView extends Component {
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if (old && this.$refs[old]) {
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this.$refs[old].deactivated()
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}
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this.$refs[v]?.$requestUpdate()
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this.$refs[v]?.$animate()
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this.$refs[v]?.activated()
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}
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@ -101,6 +102,7 @@ class RouterLink extends Component {
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if (this.disabled) {
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return
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}
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if (type === 'hash') {
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location.hash = this.#href
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} else {
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@ -111,16 +113,28 @@ class RouterLink extends Component {
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#parsePath() {
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let type = this.$router.type
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let { path = '', query = {} } = this.to
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let params = typeof query === 'string' ? query : object2query(query)
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let params =
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typeof query === 'string'
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? query.replaceAll('?', '')
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: object2query(query)
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path = path.replace(/^\//, '')
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return '/' + path + '?' + params
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if (params) {
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path += '?' + params
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}
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return '/' + path
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}
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mounted() {
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this.$router.rsync(this, route => {
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this.classList.toggle('active', route.path === this.to.path)
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})
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}
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render() {
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this.#href = this.#parsePath()
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return html`<a title=${this.#href} @click=${this.#navigate}>
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<slot></slot
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></a>`
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16
src/utils.js
16
src/utils.js
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@ -85,8 +85,13 @@ export function query2object(str = '') {
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if (output[k]) {
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if (isArray & 2) {
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output[k] = output[k].concat(v)
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} else {
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} else if (isArray & 1) {
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Object.assign(output[k], v)
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} else {
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if (!Array.isArray(output[v])) {
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output[k] = [output[k]]
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}
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output[k].push(v)
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}
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} else {
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output[k] = v
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@ -99,7 +104,14 @@ export function query2object(str = '') {
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* 将json数据转成 url query字符串
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*/
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export function object2query(obj = {}) {
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if (!obj || typeof obj === 'string' || typeof obj === 'number') {
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if (obj === null) {
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return ''
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}
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if (
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typeof obj === 'string' ||
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typeof obj === 'number' ||
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typeof obj === 'boolean'
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) {
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return obj
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}
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let output = []
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