提交 5dfbe6bd 编写于 作者: DCloud-WZF's avatar DCloud-WZF 💬

feat(composition api): watchSyncEffect

上级 8bfaf7a6
const PAGE_PATH = '/pages/composition-api/reactivity/watch-sync-effect/watch-sync-effect'
describe('watchSyncEffect', () => {
if (process.env.uniTestPlatformInfo.startsWith('android')) {
let page = null
beforeAll(async () => {
page = await program.reLaunch(PAGE_PATH)
await page.waitFor('view')
})
it('count', async () => {
const count = await page.$('#count')
expect(await count.text()).toBe('count: 0')
// watch
const watchCountRes = await page.$('#watch-count-res')
expect(await watchCountRes.text()).toBe(
'watch count result: count: 0, count ref text: count: 0')
// track
const watchCountTrackNum = await page.$('#watch-count-track-num')
expect(await watchCountTrackNum.text()).toBe('watch count track number: 3')
// trigger
const watchCountTriggerNum = await page.$('#watch-count-trigger-num')
expect(await watchCountTriggerNum.text()).toBe('watch count trigger number: 1')
const watchCountCleanupRes = await page.$('#watch-count-cleanup-res')
expect(await watchCountCleanupRes.text()).toBe('watch count cleanup result: watch count cleanup: 0')
// watch count and obj.num
const watchCountAndObjNumRes = await page.$('#watch-count-obj-num-res')
expect(await watchCountAndObjNumRes.text()).toBe('watch count and obj.num result: count: 0, obj.num: 0')
const incrementBtn = await page.$('#increment-btn')
await incrementBtn.tap()
expect(await count.text()).toBe('count: 1')
expect(await watchCountRes.text()).toBe(
'watch count result: count: 1, count ref text: count: 0')
expect(await watchCountTrackNum.text()).toBe('watch count track number: 3')
expect(await watchCountTriggerNum.text()).toBe('watch count trigger number: 2')
expect(await watchCountCleanupRes.text()).toBe('watch count cleanup result: watch count cleanup: 1')
expect(await watchCountAndObjNumRes.text()).toBe('watch count and obj.num result: count: 1, obj.num: 0')
await incrementBtn.tap()
expect(await count.text()).toBe('count: 2')
expect(await watchCountRes.text()).toBe(
'watch count result: count: 2, count ref text: count: 1')
expect(await watchCountTrackNum.text()).toBe('watch count track number: 3')
expect(await watchCountTriggerNum.text()).toBe('watch count trigger number: 3')
expect(await watchCountCleanupRes.text()).toBe('watch count cleanup result: watch count cleanup: 2')
expect(await watchCountAndObjNumRes.text()).toBe('watch count and obj.num result: count: 2, obj.num: 0')
// stop watch
const stopWatchCountBtn = await page.$('#stop-watch-count-btn')
await stopWatchCountBtn.tap()
await incrementBtn.tap()
expect(await count.text()).toBe('count: 3')
expect(await watchCountRes.text()).toBe(
'watch count result: count: 2, count ref text: count: 1')
expect(await watchCountTrackNum.text()).toBe('watch count track number: 3')
expect(await watchCountTriggerNum.text()).toBe('watch count trigger number: 3')
expect(await watchCountCleanupRes.text()).toBe('watch count cleanup result: watch count cleanup: 2')
expect(await watchCountAndObjNumRes.text()).toBe('watch count and obj.num result: count: 3, obj.num: 0')
})
it('obj', async () => {
const objStr = await page.$('#obj-str')
expect(await objStr.text()).toBe('obj.str: num: 0')
const objNum = await page.$('#obj-num')
expect(await objNum.text()).toBe('obj.num: 0')
const objBool = await page.$('#obj-bool')
expect(await objBool.text()).toBe('obj.bool: false')
const objArr = await page.$('#obj-arr')
expect(await objArr.text()).toBe('obj.arr: [0]')
const watchObjRes = await page.$('#watch-obj-res')
expect(await watchObjRes.text()).toBe(
'watch obj result: obj: {"arr":[0],"bool":false,"num":0,"str":"num: 0"}')
const watchObjStrRes = await page.$('#watch-obj-str-res')
expect(await watchObjStrRes.text()).toBe(
'watch obj.str result: str: num: 0, obj.str ref text: obj.str: num: 0')
const watchObjArrRes = await page.$('#watch-obj-arr-res')
expect(await watchObjArrRes.text()).toBe('watch obj.arr result: arr: [0]')
const updateObjBtn = await page.$('#update-obj-btn')
await updateObjBtn.tap()
expect(await objStr.text()).toBe('obj.str: num: 1')
expect(await objNum.text()).toBe('obj.num: 1')
expect(await objBool.text()).toBe('obj.bool: true')
expect(await objArr.text()).toBe('obj.arr: [0,1]')
expect(await watchObjRes.text()).toBe(
'watch obj result: obj: {"arr":[0],"bool":false,"num":0,"str":"num: 0"}')
expect(await watchObjStrRes.text()).toBe(
'watch obj.str result: str: num: 1, obj.str ref text: obj.str: num: 0')
expect(await watchObjArrRes.text()).toBe('watch obj.arr result: arr: [0,1]')
const watchCountAndObjNumRes = await page.$('#watch-count-obj-num-res')
expect(await watchCountAndObjNumRes.text()).toBe('watch count and obj.num result: count: 3, obj.num: 1')
})
} else {
it('other platform', () => {
expect(1).toBe(1)
})
}
})
\ No newline at end of file
<template><view class="page">watchSyncEffect</view></template>
<template>
<!-- #ifdef APP -->
<scroll-view style="flex: 1; padding-bottom: 20px">
<!-- #endif -->
<view class="page">
<text id="count" ref="countRef" class="uni-common-mb">count: {{ count }}</text>
<text id="watch-count-res" class="uni-common-mb">watch count result: {{ watchCountRes }}</text>
<text id="watch-count-track-num" class="uni-common-mb">watch count track number: {{ watchCountTrackNum }}</text>
<text id="watch-count-trigger-num" class="uni-common-mb">watch count trigger number:
{{ watchCountTriggerNum }}</text>
<text id="watch-count-cleanup-res" class="uni-common-mb">watch count cleanup result:
{{ watchCountCleanupRes }}</text>
<button id="increment-btn" class="uni-common-mb" @click="increment">
increment
</button>
<button id="stop-watch-count-btn" class="uni-common-mb" @click="triggerStopWatchCount">
stop watch count
</button>
<text id="obj-str" ref="objStrRef" class="uni-common-mb">obj.str: {{ obj.str }}</text>
<text id="obj-num" class="uni-common-mb">obj.num: {{ obj.num }}</text>
<text id="obj-bool" ref="objBoolRef" class="uni-common-mb">obj.bool: {{ obj.bool }}</text>
<text id="obj-arr" ref="objArrRef" class="uni-common-mb">obj.arr: {{ obj.arr }}</text>
<text id="watch-obj-res" class="uni-common-mb">watch obj result: {{ watchObjRes }}</text>
<text id="watch-obj-str-res" class="uni-common-mb">watch obj.str result: {{ watchObjStrRes }}</text>
<text id="watch-obj-arr-res" class="uni-common-mb">watch obj.arr result: {{ watchObjArrRes }}</text>
<button id="update-obj-btn" class="uni-common-mb" @click="updateObj">
update obj
</button>
<text id="watch-count-obj-num-res" class="uni-common-mb">watch count and obj.num result:
{{ watchCountAndObjNumRes }}</text>
</view>
<!-- #ifdef APP -->
</scroll-view>
<!-- #endif -->
</template>
<script setup>
type Obj = {
num : number,
str : string,
bool : boolean,
arr : number[]
}
const countRef = ref(null)
const count = ref(0)
const watchCountRes = ref('')
const watchCountCleanupRes = ref('')
const watchCountTrackNum = ref(0)
const watchCountTriggerNum = ref(0)
const stopWatchCount = watchSyncEffect((onCleanup : OnCleanup) => {
if (countRef.value !== null) {
watchCountRes.value = `count: ${count.value}, count ref text: ${(countRef.value as Element).getAttribute('value')}`
} else {
watchCountRes.value = `count: ${count.value}, count ref text: `
}
const cancel = () => {
watchCountCleanupRes.value = `watch count cleanup: ${count.value}`
}
onCleanup(cancel)
},
{
// 响应属性或引用作为依赖项被跟踪时调用
onTrack(event : DebuggerEvent) {
if (event.type === 'get') {
watchCountTrackNum.value++
}
},
// 侦听器回调被依赖项的变更触发时调用
onTrigger(event : DebuggerEvent) {
if (event.type === 'set') {
watchCountTriggerNum.value++
}
}
},
)
const triggerStopWatchCount = () => stopWatchCount()
const increment = () => {
count.value++
}
const obj = reactive({
num: 0,
str: 'num: 0',
bool: false,
arr: [0]
} as Obj)
const watchObjRes = ref('')
watchSyncEffect(() => {
watchObjRes.value = `obj: ${JSON.stringify(obj)}`
})
const objStrRef = ref(null)
const watchObjStrRes = ref('')
watchSyncEffect(() => {
if (objStrRef.value !== null) {
watchObjStrRes.value = `str: ${obj.str}, obj.str ref text: ${(objStrRef.value as Element).getAttribute('value')}`
} else {
watchObjStrRes.value = `str: ${obj.str}, obj.str ref text: `
}
})
const watchObjArrRes = ref('')
watchSyncEffect(() => {
watchObjArrRes.value = `arr: ${JSON.stringify(obj.arr)}`
})
const watchCountAndObjNumRes = ref('')
watchSyncEffect(() => {
watchCountAndObjNumRes.value = `count: ${count.value}, obj.num: ${obj.num}`
})
const updateObj = () => {
obj.num++
obj.str = `num: ${obj.num}`
obj.bool = !obj.bool
obj.arr.push(obj.num)
}
</script>
\ No newline at end of file
......@@ -121,7 +121,7 @@
{
name: 'watchSyncEffect',
url: 'watch-sync-effect',
enable: false,
enable: true,
},
{
name: 'isRef',
......
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