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feat: Add posibilty to reset component after content change #2

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feat: Add posibilty to reset component after content change #2

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20 changes: 19 additions & 1 deletion src/App.vue
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
<template>
<VEndlessScroll
:state="state"
:identifier="identifier"
class="example"
@feed-me="feedIt"
>
Expand All @@ -10,6 +11,7 @@
{{line}}<br>
</span>
</VEndlessScroll>
<button @click="reset">Reset</button>
</template>

<script lang="ts">
Expand All @@ -29,7 +31,8 @@ export default defineComponent({
'pierwsza linia',
'druga linia',
'trzecia linia'
]
],
identifier: 1
}
},
methods: {
Expand All @@ -43,6 +46,21 @@ export default defineComponent({
} else {
this.state = InifiniteScrollState.COMPLETE
}
},
reset (): void {
this.lines = [
'pierwsza linia',
'druga linia',
'trzecia linia',
'pierwsza linia',
'druga linia',
'trzecia linia',
'pierwsza linia',
'druga linia',
'trzecia linia'
]
this.state = InifiniteScrollState.LOADED
this.identifier++
}
}
})
Expand Down
24 changes: 10 additions & 14 deletions src/components/Component.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@
</template>

<script lang="ts">
import { defineComponent, PropType, onMounted, onBeforeUnmount, ref, toRefs } from 'vue'
import { defineComponent, PropType, onMounted, onBeforeUnmount, ref, toRefs, watch } from 'vue'
import { InifiniteScrollState } from './models'

export default defineComponent({
Expand Down Expand Up @@ -70,6 +70,8 @@ export default defineComponent({
let observer = null as any
const container = ref(null)
const end = ref(null)
const { state, identifier } = toRefs(props)

const setObserver = (): void => {
const options = {
root: container.value,
Expand All @@ -86,8 +88,6 @@ export default defineComponent({
observer.observe(end.value!)
}

const { state } = toRefs(props)

const handleScroll = (): void => {
if (state.value === InifiniteScrollState.LOADED) {
emit('feed-me')
Expand All @@ -97,6 +97,13 @@ export default defineComponent({
}
}

const reset = (): void => {
(container.value! as HTMLElement).scrollTop = 0
setObserver()
}

watch(identifier, reset)

onMounted(() => {
setObserver()
})
Expand All @@ -121,17 +128,6 @@ export default defineComponent({
isError (): boolean {
return this.state === InifiniteScrollState.ERROR
}
},
methods: {

reset (): void {
(this.$refs.container as HTMLElement).scrollTop = 0
},
setIdentifierReset (): void {
if (this.identifier !== null) {
this.$watch('identifier', this.reset)
}
}
}
})
</script>
Expand Down