89 lines
1.5 KiB
Vue
89 lines
1.5 KiB
Vue
<template>
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<transition name="fade" mode="out-in">
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<div class="_formItem" v-if="pending">
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<div class="_formPanel">
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<MkLoading/>
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</div>
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</div>
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<div v-else-if="resolved">
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<slot :result="result"></slot>
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</div>
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<div class="_formItem" v-else>
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<div class="_formPanel">
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error!
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<button @click="retry">retry</button>
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</div>
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</div>
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</transition>
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</template>
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<script lang="ts">
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import { defineComponent, PropType, ref, watch } from 'vue';
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import './form.scss';
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export default defineComponent({
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props: {
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p: {
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type: Function as PropType<() => Promise<any>>,
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required: true,
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}
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},
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setup(props, context) {
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const pending = ref(true);
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const resolved = ref(false);
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const rejected = ref(false);
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const result = ref(null);
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const process = () => {
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if (props.p == null) {
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return;
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}
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const promise = props.p();
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pending.value = true;
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resolved.value = false;
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rejected.value = false;
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promise.then((_result) => {
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pending.value = false;
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resolved.value = true;
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result.value = _result;
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});
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promise.catch(() => {
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pending.value = false;
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rejected.value = true;
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});
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};
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watch(() => props.p, () => {
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process();
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}, {
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immediate: true
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});
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const retry = () => {
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process();
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};
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return {
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pending,
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resolved,
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rejected,
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result,
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retry,
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};
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}
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});
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</script>
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<style lang="scss" scoped>
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.fade-enter-active,
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.fade-leave-active {
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transition: opacity 0.125s ease;
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}
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.fade-enter-from,
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.fade-leave-to {
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opacity: 0;
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}
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</style>
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