优化代码, 减少体积

Readme.md

@@ -5,7 +5,7 @@
 ![version](https://img.shields.io/npm/v/wkitd.svg)
 
 ### 开发文档
-[开发文档](https://github.com/bytedo/wkitd/wiki)
+[开发文档](https://git.wkit.fun/bytedo/wkitd/wiki)
 
 
 ### 我们的特色
@@ -19,8 +19,9 @@
 
 - 路由不支持嵌套, 即`<router-view></router-view>`只能出现`1`次。
 - `$router`对象, 只注入到使用`wkit`创建的组件, 其他地方可以使用`getRouter()`获取`$router`对象。
-- 所有路由页面和组件, 均可使用`getCurrentPage()`获取当前的页面的信息; 也可以用`$router.route`获取。 
+- 所有路由页面和组件, 均可使用`getCurrentPage()`获取当前的页面的信息; 也可以用`$route`或`$router.route`获取。 
 - `$store`对象, 只注入到使用`wkit`创建的组件, 其他组件可使用`getStore()`获取。
+- `watch()`方法, 可用于监听`$store`和`$route`的变化。
 
 
 
@@ -91,10 +92,11 @@ index.html
   <script type="importmap">
     {
       "imports":{
-        "es.shim":"https://jscdn.ink/lib/es.shim.js",
+        "es.shim":"//jscdn.ink/es.shim/latest/index.js",
-        "wkit":"https://jscdn.ink/lib/wkit.js",
+        "wkit":"//jscdn.ink/wkit/latest/index.js",
-        "fetch":"https://jscdn.ink/lib/fetch.js",
+        "wkitd":"//jscdn.ink/wkitd/latest/index.js",
-        "@bd/ui/":"https://jscdn.ink/@bd/ui/latest/"
+        "fetch":"//jscdn.ink/@bytedo/fetch/latest/next.js",
+        "@bd/ui/":"//jscdn.ink/@bd/ui/latest/"
       }
     }
   </script>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "wkitd",
-  "version": "1.1.1",
+  "version": "1.3.12",
   "type": "module",
   "main": "dist/index.js",
   "files": [
@@ -13,6 +13,6 @@
   },
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/bytedo/wkitd.git"
+    "url": "git+https://git.wkit.fun/bytedo/wkitd.git"
   }
 }

src/constants.js

@@ -8,3 +8,5 @@ export const __ROUTER__ = Symbol('router')
 export const __ROUTER_VIEW__ = Symbol('router-view')
 export const __STORE__ = Symbol('store')
 export const WKITD_COMPONENTS = new Set()
+export const STORE_CALLBACKS = new Map()
+export const ROUTE_CALLBACKS = new Set()

src/index.js

@@ -10,7 +10,7 @@ import { noop, readonlyProp } from './utils.js'
 import { __ROUTER__, __STORE__, __ROUTER_VIEW__ } from './constants.js'
 
 export * from './router/index.js'
-export { createStore } from './store.js'
+export { createStore, watch } from './store.js'
 
 class App extends Component {}
 
@@ -92,7 +92,7 @@ export function createApp({
           }
         }
       }
-      App.reg('app')
+      App.reg('app', 'v')
     }
   })()
 }

src/init.js

@@ -13,20 +13,26 @@ class Wkitd extends WeakMap {
    */
   broadcast() {
     for (let it of WKITD_COMPONENTS) {
+      if (it.removed) {
+        this.deassign(it)
+        continue
+      }
       it.$requestUpdate()
     }
   }
+
   /**
    * 注册缓存组件
    */
   assign(target) {
     WKITD_COMPONENTS.add(target)
   }
+
   /**
    * 取消注册
    */
   deassign(target) {
-    WKITD_COMPONENTS.add(target)
+    WKITD_COMPONENTS.delete(target)
   }
 }
 

src/router/index.js

@@ -22,12 +22,13 @@ export function createRouter({
   function wrapper() {
     Object.defineProperty(Component.prototype, '$router', {
       get() {
-        return window.wkitd.get(__ROUTER__)
+        return $router
-      },
+      }
-      set(val) {
+    })
-        console.error('Can not set readonly property $router of Component')
+    Object.defineProperty(Component.prototype, '$route', {
-      },
+      get() {
-      enumerable: false
+        return $router.route
+      }
     })
   }
   wrapper.beforeEach = $router.beforeEach.bind($router)

src/router/router-components.js

@@ -1,27 +1,12 @@
 //
 import { Component, html, css, raw } from 'wkit'
-import { object2query } from '../utils.js'
+import { object2query, query2object } from '../utils.js'
-import { __ROUTER_VIEW__ } from '../constants.js'
+import { __ROUTER_VIEW__, ROUTE_CALLBACKS } from '../constants.js'
+import { watch } from '../store.js'
 
 class RouterView extends Component {
   static props = {
-    keepAlive: false,
+    transition: false
-    transition: false,
-    current: {
-      type: String,
-      default: '',
-      attribute: false,
-      observer(v, old) {
-        if (this.keepAlive && v) {
-          if (old && this.$refs[old]) {
-            this.$refs[old].deactivated()
-          }
-          this.$refs[v]?.$requestUpdate()
-          this.$refs[v]?.$animate()
-          this.$refs[v]?.activated()
-        }
-      }
-    }
   }
 
   static styles = css`
@@ -30,6 +15,49 @@ class RouterView extends Component {
     }
   `
 
+  get current() {
+    return this.#current
+  }
+
+  set current(v) {
+    let old = this.#current
+    let $refs = this.$refs
+    this.#current = v
+
+    if (this.keepAlive) {
+      if (old) {
+        let $old = $refs[old]
+        if ($old) {
+          $old.removed = true
+          $old.deactivated()
+          $old.remove()
+        } else {
+          this.$requestUpdate()
+        }
+      } else {
+        this.$requestUpdate()
+      }
+      if (v) {
+        let $new = $refs[v]
+        if ($new) {
+          this.root.appendChild($new)
+          $new.$requestUpdate()
+          if (this.transition) {
+            $new.$animate()
+          }
+          $new.removed = false
+          $new.activated()
+        } else {
+          this.$requestUpdate()
+        }
+      }
+    } else {
+      this.$requestUpdate()
+    }
+  }
+
+  #current = ''
+
   #views = []
 
   created() {
@@ -48,38 +76,29 @@ class RouterView extends Component {
         { transform: 'translateX(0)', opacity: 1 }
       ]
     }
-    if (this.keepAlive) {
+    let name = this.current
-      let template = this.#views.map(it => [
-        this.transition
-          ? `<${it} ref="${it}" :__keep_alive__="%s" #animation="%s" style="%s"></${it}>`
-          : `<${it} ref="${it}" :__keep_alive__="%s" style=%s></${it}>`,
-        [
-          this.current === it,
-          { ...option, immediate: this.current === it },
-          this.current === it ? '' : 'display:none'
-        ]
-      ])
 
-      return raw(
+    if (name) {
-        template.map(it => it[0]).join(''),
+      if (this.transition) {
-        template.map(it => it[1]).flat()
+        return raw(
-      )
+          `<${name} ref="${name}" ${
-    } else {
+            this.keepAlive ? 'keep-alive' : ''
-      if (this.current) {
+          } #animation="%s"></${name}>`,
-        if (this.transition) {
+          [option]
-          return raw(`<${this.current} #animation="%s"></${this.current}>`, [
+        )
-            option
-          ])
-        }
-        return raw(`<${this.current}></${this.current}>`)
       }
+      return raw(
+        `<${name} ref="${name}" ${
+          this.keepAlive ? 'keep-alive' : ''
+        }></${name}>`
+      )
     }
   }
 }
 
 class RouterLink extends Component {
   static props = {
-    to: Object,
+    to: { type: null },
     disabled: false
   }
 
@@ -93,6 +112,8 @@ class RouterLink extends Component {
     a {
       display: flex;
       align-items: center;
+      justify-content: center;
+      gap: var(--router-link-gap, 0);
       width: 100%;
       height: 100%;
       color: inherit;
@@ -105,12 +126,12 @@ class RouterLink extends Component {
       cursor: not-allowed;
     }
   `
-
+  #to = { path: '' }
   #href = ''
 
   #navigate() {
     let type = this.$router.type
-    let { path } = this.to
+
     if (this.disabled) {
       return
     }
@@ -118,45 +139,62 @@ class RouterLink extends Component {
     if (type === 'hash') {
       location.hash = this.#href
     } else {
-      this.$router.push(this.to)
+      this.$router.push(this.#to)
     }
   }
 
   #parsePath() {
-    let type = this.$router.type
+    let path, query, params
-    let { path = '', query = {} } = this.to
+    if (typeof this.to === 'string') {
-    let params =
+      let tmp = this.to.split('?')
-      typeof query === 'string'
+      path = tmp[0]
-        ? query.replaceAll('?', '')
+      params = tmp[1] || ''
-        : object2query(query)
+      query = query2object(params)
+    } else {
+      path = this.to.path || ''
+      query = this.to.query || {}
+      params =
+        typeof query === 'string'
+          ? query.replaceAll('?', '')
+          : object2query(query)
+    }
 
-    path = path.replace(/^\//, '')
+    path = '/' + path.replace(/^\/+/, '')
+    this.#to = { path, query }
 
     if (params) {
       path += '?' + params
     }
+    this.#href = path
+  }
 
-    return '/' + path
+  activated() {
+    this.mounted()
+  }
+  deactivated() {
+    this.unmounted()
   }
 
   mounted() {
-    this.$router.rsync(this, route => {
+    watch('$route', route => {
-      this.classList.toggle('active', route.path === this.to.path)
+      if (this.removed) {
+        return
+      }
+      this.classList.toggle('active', route.path === this.#to.path)
     })
   }
 
+  unmounted() {
+    ROUTE_CALLBACKS.delete(this)
+  }
+
   render() {
-    this.#href = this.#parsePath()
+    this.#parsePath()
-    return html`<a title=${this.#href} @click=${this.#navigate}>
+    return html`<a title=${this.#href} @click=${this.#navigate}
-      <slot></slot
+      ><slot></slot
     ></a>`
   }
 }
 
-if (!customElements.get('router-view')) {
+RouterView.reg('view', 'router')
-  customElements.define('router-view', RouterView)
+RouterLink.reg('link', 'router')
-}
-
-if (!customElements.get('router-link')) {
-  customElements.define('router-link', RouterLink)
-}

src/router/router-engine.js

@@ -6,11 +6,11 @@
  */
 import { bind, fire } from 'wkit'
 import { noop, query2object, object2query } from '../utils.js'
-import { __ROUTER_VIEW__ } from '../constants.js'
+import { __ROUTER_VIEW__, ROUTE_CALLBACKS } from '../constants.js'
 
 //hash前缀正则
 const PREFIX_REGEXP = /^(#!|#)[\/]+?/
-const RULE_REGEXP = /(\/[^/]*)(:[A-Za-z0-9_]+)(\?)?/g
+const RULE_REGEXP = /(\/[^/]*)(:[\$@~\\!A-Za-z0-9_=\-]+)(\?)?/g
 
 const MODE_HASH = 'hash'
 const MODE_HISTORY = 'history'
@@ -21,10 +21,9 @@ class Router {
   #tables = new Map()
   #views = new Set()
 
-  #targets = new Map()
-
   #ready = false
   #route = Object.create(null)
+  #tmp = null
 
   #beforeEach
 
@@ -66,12 +65,12 @@ class Router {
 
       re = route.path.replace(
         RULE_REGEXP,
-        function (m, _prefix, _var, _require) {
+        function (m, _prefix, _var, _require = '') {
           vars.push(_var.slice(1))
           if (_prefix === '/') {
             _prefix = '/?'
           }
-          return _prefix + '([A-Za-z0-9_]+)' + _require
+          return _prefix + '([\\$\\!@~A-Za-z0-9_=\\-]+)' + _require
         }
       )
 
@@ -101,14 +100,23 @@ class Router {
     let path = isHash
       ? hash
       : location.href.replace(location.origin, '').replace(hash, '')
-    let query
+    let query = ''
 
     if (path.includes('?')) {
       ;[path, query] = path.split('?')
     }
     path = path.replace(PREFIX_REGEXP, '/')
+    // 修正默认主页,以支持带路径访问的首页
+    if (path === '/index.html') {
+      path = '/'
+    }
 
     if (!$view || path === this.#route.path) {
+      // query不同, 只更新query
+      if (query !== object2query(this.#route.query)) {
+        this.#route.query = query2object(query)
+        return this.#broadcast()
+      }
       return
     }
 
@@ -125,12 +133,12 @@ class Router {
           params,
           query: query2object(query)
         }
+        Object.defineProperty(next, 'raw', { value: route.path })
         if (this.#beforeEach) {
           return this.#beforeEach(this.route, next, () => {
             this.#exec(next)
           })
         }
-
         return this.#exec(next)
       }
     }
@@ -138,19 +146,36 @@ class Router {
       let route = this.#tables.get('!')
       $view.current = route.name
       this.#route = { path, name: route.name, params: {}, query: {} }
+      this.#exec(this.#route)
+    } else {
+      if (this.#tmp) {
+        this.#exec(this.#tmp)
+        this.#tmp = null
+      }
     }
   }
 
   #exec(route) {
     let $view = window.wkitd.get(__ROUTER_VIEW__)
+    let table = this.#tables.get(route.raw)
     $view.current = route.name
     this.#route = route
-    this.#rsync()
+
+    if (table && typeof table.component === 'function') {
+      if (!customElements.get(route.name)) {
+        table.component()
+        delete table.component //避免多次请求
+      }
+    }
+    this.#broadcast()
   }
 
-  #rsync() {
+  // 广播通知
-    for (let [target, callback] of this.#targets) {
+  #broadcast() {
-      callback.call(target, this.route)
+    if (this.#ready) {
+      for (let callback of ROUTE_CALLBACKS) {
+        callback(this.route)
+      }
     }
   }
 
@@ -161,17 +186,6 @@ class Router {
     this.#hashchange()
   }
 
-  /**
-   * 用于同步路由到组件的
-   */
-  rsync(target, callback) {
-    this.#targets.set(target, callback)
-    // 路由已经初始化完成时, 还有新的同步请求则立刻执行
-    if (this.#ready) {
-      this.#rsync()
-    }
-  }
-
   beforeEach(callback = noop) {
     this.#beforeEach = callback
   }
@@ -219,6 +233,9 @@ class Router {
       return
     }
 
+    // 缓存当前路由信息, 当没有匹配到正确的路由时, 回调此缓存
+    this.#tmp = obj
+
     if (this.type === MODE_HASH) {
       if (replace) {
         location.replace(path.replace(/^\//, '#/'))

src/store.js

@@ -5,7 +5,62 @@
  */
 
 import { Component } from 'wkit'
-import { __STORE__ } from './constants.js'
+import {
+  __STORE__,
+  __ROUTER__,
+  STORE_CALLBACKS,
+  ROUTE_CALLBACKS
+} from './constants.js'
+import { noop } from './utils.js'
+
+function observe(obj, paths = ['$store']) {
+  if (obj === null) {
+    return obj
+  }
+
+  return new Proxy(obj, {
+    get(target, key, receiver) {
+      let value = Reflect.get(target, key, receiver)
+      // 当访问的值是对象时，需要对这个对象也进行代理
+      if (typeof value === 'object') {
+        return observe(value, paths.concat(key))
+      }
+      return value
+    },
+    set(target, key, value, receiver) {
+      let full = paths.concat(key).join('.')
+      if (target[key] === value) {
+        return true
+      }
+      Reflect.set(target, key, value, receiver)
+      if (STORE_CALLBACKS.get(full)) {
+        STORE_CALLBACKS.get(full).forEach(callback => {
+          callback(value)
+        })
+      }
+      window.wkitd.broadcast()
+      return true
+    }
+  })
+}
+
+export function watch(key, callback = noop) {
+  if (key.startsWith('$store.')) {
+    let list = STORE_CALLBACKS.get(key)
+    if (list) {
+      list.add(callback)
+    } else {
+      list = new Set()
+      list.add(callback)
+      STORE_CALLBACKS.set(key, list)
+    }
+  } else if (key.startsWith('$route')) {
+    ROUTE_CALLBACKS.add(callback)
+    callback(window.wkitd.get(__ROUTER__).route)
+  } else {
+    return console.error('watch() only work on $store and $route')
+  }
+}
 
 export function createStore(obj = {}) {
   let defined = false
@@ -13,6 +68,7 @@ export function createStore(obj = {}) {
   return function () {
     Object.defineProperty(Component.prototype, '$store', {
       get() {
+        window.wkitd.assign(this)
         return window.wkitd.get(__STORE__)
       },
       set(val) {
@@ -21,19 +77,9 @@ export function createStore(obj = {}) {
             'Can not set readonly property $store of Component'
           )
         }
-        window.wkitd.set(
+        window.wkitd.set(__STORE__, observe(val))
-          __STORE__,
-          new Proxy(val, {
-            set(target, prop, value) {
-              target[prop] = value
-              window.wkitd.broadcast()
-              return true
-            }
-          })
-        )
         defined = true
-      },
+      }
-      enumerable: false
     })
     Component.prototype.$store = obj
   }

src/utils.js

@@ -13,9 +13,7 @@ export function readonlyProp(host, name, value) {
   Object.defineProperty(host, name, {
     get() {
       return value
-    },
+    }
-    set(vale) {},
-    enumerable: false
   })
 }