<template>
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<Tree v-bind="getAttrs" v-model:selectedKeys="state">
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<template #[item]="data" v-for="item in Object.keys($slots)">
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<slot :name="item" v-bind="data || {}"></slot>
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</template>
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</Tree>
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</template>
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<script lang="ts" setup>
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import { type Recordable } from '@vben/types';
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import { type PropType, computed, watch, ref, onMounted, unref, useAttrs } from 'vue';
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import { Tree, TreeProps } from 'ant-design-vue';
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import { isFunction } from '@/utils/is';
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import { get } from 'lodash-es';
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import { DataNode } from 'ant-design-vue/es/tree';
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import { useRuleFormItem } from '@/hooks/component/useFormItem';
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defineOptions({ name: 'ApiTree' });
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const props = defineProps({
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api: { type: Function as PropType<(arg?: any) => Promise<Recordable<any>>> },
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params: { type: Object },
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immediate: { type: Boolean, default: true },
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resultField: { type: String, default: '' },
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beforeFetch: {
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type: Function as PropType<Fn>,
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default: null,
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},
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afterFetch: {
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type: Function as PropType<Fn>,
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default: null,
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},
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value: {
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type: Array as PropType<TreeProps['selectedKeys']>,
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},
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});
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const emit = defineEmits(['options-change', 'change', 'update:value']);
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const attrs = useAttrs();
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const treeData = ref<DataNode[]>([]);
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const isFirstLoaded = ref<Boolean>(false);
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const loading = ref(false);
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const emitData = ref<any[]>([]);
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const [state] = useRuleFormItem(props, 'value', 'change', emitData);
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const getAttrs = computed(() => {
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return {
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...(props.api ? { treeData: unref(treeData) } : {}),
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...attrs,
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};
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});
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watch(
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() => state.value,
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(v) => {
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emit('update:value', v);
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},
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);
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watch(
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() => props.params,
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() => {
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!unref(isFirstLoaded) && fetch();
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},
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{ deep: true },
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);
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watch(
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() => props.immediate,
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(v) => {
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v && !isFirstLoaded.value && fetch();
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},
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);
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onMounted(() => {
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props.immediate && fetch();
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});
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async function fetch() {
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let { api, beforeFetch, afterFetch, params, resultField } = props;
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if (!api || !isFunction(api)) return;
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loading.value = true;
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treeData.value = [];
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let res;
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try {
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if (beforeFetch && isFunction(beforeFetch)) {
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params = (await beforeFetch(params)) || params;
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}
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res = await api(params);
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if (afterFetch && isFunction(afterFetch)) {
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res = (await afterFetch(res)) || res;
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}
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} catch (e) {
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console.error(e);
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}
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loading.value = false;
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if (!res) return;
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if (resultField) {
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res = get(res, resultField) || [];
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}
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treeData.value = (res as (Recordable & { key: string | number })[]) || [];
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isFirstLoaded.value = true;
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emit('options-change', treeData.value);
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}
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</script>
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