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import { currentPageListeners, miniProgramBus } from './miniProgramBus'
import { ensureInMiniProgram } from './ensureInMiniProgram'
import { getCurrentPagePath } from './getCurrentPagePath'
import { getCurrentPageQuery } from './getCurrentPageQuery'
import { getCurrentPageUrl } from './getCurrentPageUrl'
import { last, MiniProgramApi } from '../utils'
let prevPagesInfo:
| {
count: number
lastPageUrl: string
lastPagePath: string
lastPageQuery: AnyObject
}
| undefined
function patchAppOptions(
mp: MiniProgramApi,
appOptions: WechatMiniprogram.App.Options<{}>,
) {
const onLaunch = appOptions.onLaunch
appOptions.onLaunch = function (launchOptions) {
miniProgramBus.emit({ name: 'appLaunch', context: this }, launchOptions)
return onLaunch?.call(this, launchOptions)
}
const onShow = appOptions.onShow
appOptions.onShow = function (showOptions) {
miniProgramBus.emit({ name: 'appShow', context: this }, showOptions)
return onShow?.call(this, showOptions)
}
const onHide = appOptions.onHide
appOptions.onHide = function () {
miniProgramBus.emit({ name: 'appHide', context: this })
return onHide?.call(this)
}
const onError = appOptions.onError
appOptions.onError = function (error) {
miniProgramBus.emit({ name: 'appError', context: this }, error)
return onError?.call(this, error)
}
const onPageNotFound = appOptions.onPageNotFound
appOptions.onPageNotFound = function (payload) {
miniProgramBus.emit({ name: 'pageNotFound', context: this }, payload)
return onPageNotFound?.call(this, payload)
}
const onUnhandledRejection = appOptions.onUnhandledRejection
appOptions.onUnhandledRejection = function (payload) {
miniProgramBus.emit(
{ name: 'appUnhandledRejectionThrow', context: this },
payload,
)
return onUnhandledRejection?.call(this, payload)
}
const onThemeChange = appOptions.onThemeChange
appOptions.onThemeChange = function (payload) {
miniProgramBus.emit({ name: 'appThemeChange', context: this }, payload)
return onThemeChange?.call(this, payload)
}
}
function patchPageOptions(
mp: MiniProgramApi,
pageOptions: WechatMiniprogram.Page.Options<{}, {}>,
) {
const onLoad = pageOptions.onLoad
pageOptions.onLoad = function (pageQuery) {
if (mp.$brand === '支付宝') {
// 支持通过 options 获取页面参数
;(this as any).options = pageQuery
}
;(this as any).__PAGE_ID__ = ++patchMiniProgram.__CURRENT_PAGE_ID__
miniProgramBus.emit({ name: 'pageLoad', context: this }, pageQuery)
return onLoad?.call(this, pageQuery)
}
const onShow = pageOptions.onShow
pageOptions.onShow = function () {
const currentPagesInfo = {
count: getCurrentPages().length,
lastPageUrl: getCurrentPageUrl(),
lastPagePath: getCurrentPagePath(),
lastPageQuery: getCurrentPageQuery(),
}
if (
!(
prevPagesInfo &&
currentPagesInfo.count === prevPagesInfo.count &&
currentPagesInfo.lastPageUrl === prevPagesInfo.lastPageUrl
)
) {
miniProgramBus.emit('routeChange', {
from: prevPagesInfo && {
url: prevPagesInfo.lastPageUrl,
path: prevPagesInfo.lastPagePath,
query: prevPagesInfo.lastPageQuery,
},
to: {
url: currentPagesInfo.lastPageUrl,
path: currentPagesInfo.lastPagePath,
query: currentPagesInfo.lastPageQuery,
},
action:
!prevPagesInfo || currentPagesInfo.count > prevPagesInfo.count
? 'push'
: currentPagesInfo.count < prevPagesInfo.count
? 'pop'
: 'replace',
})
}
patchMiniProgram.__CURRENT_PAGE_ID__ = (this as any).__PAGE_ID__
miniProgramBus.emit({
name: 'currentPageShow',
context: this,
tag: (this as any).__PAGE_ID__,
})
miniProgramBus.emit({ name: 'pageShow', context: this })
return onShow?.call(this)
}
const onReady = pageOptions.onReady
pageOptions.onReady = function () {
miniProgramBus.emit({
name: 'currentPageReady',
context: this,
tag: (this as any).__PAGE_ID__,
})
miniProgramBus.emit({ name: 'pageReady', context: this })
return onReady?.call(this)
}
const onHide = pageOptions.onHide
pageOptions.onHide = function () {
prevPagesInfo = {
count: getCurrentPages().length,
lastPageUrl: getCurrentPageUrl(),
lastPagePath: getCurrentPagePath(),
lastPageQuery: getCurrentPageQuery(),
}
miniProgramBus.emit({
name: 'currentPageHide',
context: this,
tag: (this as any).__PAGE_ID__,
})
miniProgramBus.emit({ name: 'pageHide', context: this })
return onHide?.call(this)
}
const onUnload = pageOptions.onUnload
pageOptions.onUnload = function () {
prevPagesInfo = {
count: getCurrentPages().length,
lastPageUrl: getCurrentPageUrl(),
lastPagePath: getCurrentPagePath(),
lastPageQuery: getCurrentPageQuery(),
}
miniProgramBus.emit({
name: 'currentPageUnload',
context: this,
tag: (this as any).__PAGE_ID__,
})
miniProgramBus.emit({ name: 'pageUnload', context: this })
const res = onUnload?.call(this)
for (const currentPageListenerName of currentPageListeners) {
miniProgramBus.off(currentPageListenerName, (this as any).__PAGE_ID__)
}
return res
}
const onPullDownRefresh = pageOptions.onPullDownRefresh
pageOptions.onPullDownRefresh = function () {
miniProgramBus.emit({
name: 'currentPagePullDownRefresh',
context: this,
tag: (this as any).__PAGE_ID__,
})
miniProgramBus.emit({ name: 'pagePullDownRefresh', context: this })
return onPullDownRefresh?.call(this)
}
const onReachBottom = pageOptions.onReachBottom
pageOptions.onReachBottom = function () {
miniProgramBus.emit({
name: 'currentPageReachBottom',
context: this,
tag: (this as any).__PAGE_ID__,
})
miniProgramBus.emit({ name: 'pageReachBottom', context: this })
return onReachBottom?.call(this)
}
const onShareAppMessage = pageOptions.onShareAppMessage
pageOptions.onShareAppMessage = function (payload) {
const pageListenerData = miniProgramBus.emit(
{
name: 'currentPageShareAppMessage',
context: this,
tag: (this as any).__PAGE_ID__,
},
payload,
)
const globalListenerData = miniProgramBus.emit(
{ name: 'pageShareAppMessage', context: this },
payload,
)
const originalListenerData = onShareAppMessage?.call(this, payload)
return (
originalListenerData || last(pageListenerData) || last(globalListenerData)
)
}
// @ts-ignore
const onShareTimeline = pageOptions.onShareTimeline
// @ts-ignore
pageOptions.onShareTimeline = function (payload) {
const pageListenerData = miniProgramBus.emit(
{
name: 'currentPageShareTimeline',
context: this,
tag: (this as any).__PAGE_ID__,
},
// @ts-ignore
payload,
)
const globalListenerData = miniProgramBus.emit(
{ name: 'pageShareTimeline', context: this },
// @ts-ignore
payload,
)
const originalListenerData = onShareTimeline?.call(
this,
// @ts-ignore
payload,
)
return (
originalListenerData || last(pageListenerData) || last(globalListenerData)
)
}
const onAddToFavorites = pageOptions.onAddToFavorites
pageOptions.onAddToFavorites = function (payload) {
const pageListenerData = miniProgramBus.emit(
{
name: 'currentPageAddToFavorites',
context: this,
tag: (this as any).__PAGE_ID__,
},
payload,
)
const globalListenerData = miniProgramBus.emit(
{ name: 'pageAddToFavorites', context: this },
payload,
)
const originalListenerData = onAddToFavorites?.call(this, payload)
return (
originalListenerData ||
last(pageListenerData) ||
last(globalListenerData) ||
{}
)
}
const onResize = pageOptions.onResize
pageOptions.onResize = function (payload) {
miniProgramBus.emit(
{
name: 'currentPageResize',
context: this,
tag: (this as any).__PAGE_ID__,
},
payload,
)
miniProgramBus.emit({ name: 'pageResize', context: this }, payload)
return onResize?.call(this, payload)
}
const onTabItemTap = pageOptions.onTabItemTap
pageOptions.onTabItemTap = function (payload) {
miniProgramBus.emit(
{
name: 'currentPageTabItemTap',
context: this,
tag: (this as any).__PAGE_ID__,
},
payload,
)
miniProgramBus.emit({ name: 'pageTabItemTap', context: this }, payload)
return onTabItemTap?.call(this, payload)
}
}
/**
* 打补丁。
*/
export function patchMiniProgram() {
ensureInMiniProgram(mp => {
// 重写 App
const originalApp = App
App = function (appOptions) {
patchAppOptions(mp, appOptions)
return originalApp(appOptions)
}
// 重写 Page
const originalPage = Page
Page = function (pageOptions) {
patchPageOptions(mp, pageOptions)
return originalPage(pageOptions)
}
// 重写 Component
const originalComponent = Component
Component = function (componentOptions) {
componentOptions.methods = componentOptions.methods || ({} as any)
patchPageOptions(mp, componentOptions.methods as any)
return originalComponent(componentOptions)
}
})
}
patchMiniProgram.__CURRENT_PAGE_ID__ = 0
|