From d6749f95c526c0e71ec946bd3bb777bc42b2c34a Mon Sep 17 00:00:00 2001
From: Ben Lin <maobin001@msn.com>
Date: 星期日, 20 十月 2024 17:59:31 +0800
Subject: [PATCH] 工艺绑定优化

---
 src/components/Form/src/components/ApiCascader.vue |  348 ++++++++++++++++++++++++++++++---------------------------
 1 files changed, 181 insertions(+), 167 deletions(-)

diff --git a/src/components/Form/src/components/ApiCascader.vue b/src/components/Form/src/components/ApiCascader.vue
index cc400b1..6f148db 100644
--- a/src/components/Form/src/components/ApiCascader.vue
+++ b/src/components/Form/src/components/ApiCascader.vue
@@ -1,5 +1,5 @@
 <template>
-  <a-cascader
+  <Cascader
     v-model:value="state"
     :options="options"
     :load-data="loadData"
@@ -16,185 +16,199 @@
         {{ t('component.form.apiSelectNotFound') }}
       </span>
     </template>
-  </a-cascader>
+  </Cascader>
 </template>
-<script lang="ts">
+<script lang="ts" setup>
   import { type Recordable } from '@vben/types';
-  import { defineComponent, PropType, ref, unref, watch, watchEffect } from 'vue';
+  import { PropType, ref, unref, watch } from 'vue';
   import { Cascader } from 'ant-design-vue';
-  import { propTypes } from '/@/utils/propTypes';
-  import { isFunction } from '/@/utils/is';
+  import type { CascaderProps } from 'ant-design-vue';
+  import { propTypes } from '@/utils/propTypes';
+  import { isFunction } from '@/utils/is';
   import { get, omit } from 'lodash-es';
-  import { useRuleFormItem } from '/@/hooks/component/useFormItem';
+  import { useRuleFormItem } from '@/hooks/component/useFormItem';
   import { LoadingOutlined } from '@ant-design/icons-vue';
-  import { useI18n } from '/@/hooks/web/useI18n';
+  import { useI18n } from '@/hooks/web/useI18n';
 
   interface Option {
-    value: string;
-    label: string;
+    value?: string;
+    label?: string;
     loading?: boolean;
     isLeaf?: boolean;
     children?: Option[];
+    [key: string]: any;
   }
-  export default defineComponent({
-    name: 'ApiCascader',
-    components: {
-      LoadingOutlined,
-      [Cascader.name]: Cascader,
+
+  defineOptions({ name: 'ApiCascader' });
+
+  const props = defineProps({
+    value: {
+      type: Array,
     },
-    props: {
-      value: {
-        type: Array,
-      },
-      api: {
-        type: Function as PropType<(arg?: Recordable<any>) => Promise<Option[]>>,
-        default: null,
-      },
-      numberToString: propTypes.bool,
-      resultField: propTypes.string.def(''),
-      labelField: propTypes.string.def('label'),
-      valueField: propTypes.string.def('value'),
-      childrenField: propTypes.string.def('children'),
-      asyncFetchParamKey: propTypes.string.def('parentCode'),
-      immediate: propTypes.bool.def(true),
-      // init fetch params
-      initFetchParams: {
-        type: Object as PropType<Recordable<any>>,
-        default: () => ({}),
-      },
-      // 鏄惁鏈変笅绾э紝榛樿鏄�
-      isLeaf: {
-        type: Function as PropType<(arg: Recordable<any>) => boolean>,
-        default: null,
-      },
-      displayRenderArray: {
-        type: Array,
-      },
+    api: {
+      type: Function as PropType<(arg?: any) => Promise<Option[] | Recordable<any>>>,
+      default: null,
     },
-    emits: ['change', 'defaultChange'],
-    setup(props, { emit }) {
-      const apiData = ref<any[]>([]);
-      const options = ref<Option[]>([]);
-      const loading = ref<boolean>(false);
-      const emitData = ref<any[]>([]);
-      const isFirstLoad = ref(true);
-      const { t } = useI18n();
-      // Embedded in the form, just use the hook binding to perform form verification
-      const [state] = useRuleFormItem(props, 'value', 'change', emitData);
-
-      watch(
-        apiData,
-        (data) => {
-          const opts = generatorOptions(data);
-          options.value = opts;
-        },
-        { deep: true },
-      );
-
-      function generatorOptions(options: any[]): Option[] {
-        const { labelField, valueField, numberToString, childrenField, isLeaf } = props;
-        return options.reduce((prev, next: Recordable<any>) => {
-          if (next) {
-            const value = next[valueField];
-            const item = {
-              ...omit(next, [labelField, valueField]),
-              label: next[labelField],
-              value: numberToString ? `${value}` : value,
-              isLeaf: isLeaf && typeof isLeaf === 'function' ? isLeaf(next) : false,
-            };
-            const children = Reflect.get(next, childrenField);
-            if (children) {
-              Reflect.set(item, childrenField, generatorOptions(children));
-            }
-            prev.push(item);
-          }
-          return prev;
-        }, [] as Option[]);
-      }
-
-      async function initialFetch() {
-        const api = props.api;
-        if (!api || !isFunction(api)) return;
-        apiData.value = [];
-        loading.value = true;
-        try {
-          const res = await api(props.initFetchParams);
-          if (Array.isArray(res)) {
-            apiData.value = res;
-            return;
-          }
-          if (props.resultField) {
-            apiData.value = get(res, props.resultField) || [];
-          }
-        } catch (error) {
-          console.warn(error);
-        } finally {
-          loading.value = false;
-        }
-      }
-
-      async function loadData(selectedOptions: Option[]) {
-        const targetOption = selectedOptions[selectedOptions.length - 1];
-        targetOption.loading = true;
-
-        const api = props.api;
-        if (!api || !isFunction(api)) return;
-        try {
-          const res = await api({
-            [props.asyncFetchParamKey]: Reflect.get(targetOption, 'value'),
-          });
-          if (Array.isArray(res)) {
-            const children = generatorOptions(res);
-            targetOption.children = children;
-            return;
-          }
-          if (props.resultField) {
-            const children = generatorOptions(get(res, props.resultField) || []);
-            targetOption.children = children;
-          }
-        } catch (e) {
-          console.error(e);
-        } finally {
-          targetOption.loading = false;
-        }
-      }
-
-      watchEffect(() => {
-        props.immediate && initialFetch();
-      });
-
-      watch(
-        () => props.initFetchParams,
-        () => {
-          !unref(isFirstLoad) && initialFetch();
-        },
-        { deep: true },
-      );
-
-      function handleChange(keys, args) {
-        emitData.value = args;
-        emit('defaultChange', keys, args);
-      }
-
-      function handleRenderDisplay({ labels, selectedOptions }) {
-        if (unref(emitData).length === selectedOptions.length) {
-          return labels.join(' / ');
-        }
-        if (props.displayRenderArray) {
-          return props.displayRenderArray.join(' / ');
-        }
-        return '';
-      }
-
-      return {
-        state,
-        options,
-        loading,
-        t,
-        handleChange,
-        loadData,
-        handleRenderDisplay,
-      };
+    numberToString: propTypes.bool,
+    resultField: propTypes.string.def(''),
+    labelField: propTypes.string.def('label'),
+    valueField: propTypes.string.def('value'),
+    childrenField: propTypes.string.def('children'),
+    apiParamKey: propTypes.string.def('parentCode'),
+    immediate: propTypes.bool.def(true),
+    // init fetch params
+    initFetchParams: {
+      type: Object as PropType<Recordable<any>>,
+      default: () => ({}),
+    },
+    // 鏄惁鏈変笅绾э紝榛樿鏄�
+    isLeaf: {
+      type: Function as PropType<(arg: Recordable<any>) => boolean>,
+      default: null,
+    },
+    displayRenderArray: {
+      type: Array,
+    },
+    beforeFetch: {
+      type: Function as PropType<Fn>,
+      default: null,
+    },
+    afterFetch: {
+      type: Function as PropType<Fn>,
+      default: null,
     },
   });
+
+  const emit = defineEmits(['change', 'defaultChange']);
+
+  const apiData = ref<any[]>([]);
+  const options = ref<Option[]>([]);
+  const loading = ref<boolean>(false);
+  const emitData = ref<any[]>([]);
+  const isFirstLoad = ref(true);
+  const { t } = useI18n();
+  // Embedded in the form, just use the hook binding to perform form verification
+  const [state]: any = useRuleFormItem(props, 'value', 'change', emitData);
+
+  watch(
+    apiData,
+    (data) => {
+      const opts = generatorOptions(data);
+      options.value = opts;
+    },
+    { deep: true },
+  );
+
+  function generatorOptions(options: any[]): Option[] {
+    const { labelField, valueField, numberToString, childrenField, isLeaf } = props;
+    return options.reduce((prev, next: Recordable<any>) => {
+      if (next) {
+        const value = next[valueField];
+        const item = {
+          ...omit(next, [labelField, valueField]),
+          label: next[labelField],
+          value: numberToString ? `${value}` : value,
+          isLeaf: isLeaf && typeof isLeaf === 'function' ? isLeaf(next) : false,
+        };
+        const children = Reflect.get(next, childrenField);
+        if (children) {
+          Reflect.set(item, childrenField, generatorOptions(children));
+        }
+        prev.push(item);
+      }
+      return prev;
+    }, [] as Option[]);
+  }
+
+  async function fetch() {
+    let { api, beforeFetch, initFetchParams, afterFetch, resultField } = props;
+    if (!api || !isFunction(api)) return;
+    apiData.value = [];
+    loading.value = true;
+    try {
+      if (beforeFetch && isFunction(beforeFetch)) {
+        initFetchParams = (await beforeFetch(initFetchParams)) || initFetchParams;
+      }
+      let res = await api(initFetchParams);
+      if (afterFetch && isFunction(afterFetch)) {
+        res = (await afterFetch(res)) || res;
+      }
+      if (Array.isArray(res)) {
+        apiData.value = res;
+        return;
+      }
+      if (resultField) {
+        apiData.value = get(res, resultField) || [];
+      }
+    } catch (error) {
+      console.warn(error);
+    } finally {
+      loading.value = false;
+    }
+  }
+
+  const loadData: CascaderProps['loadData'] = async (selectedOptions) => {
+    const targetOption = selectedOptions[selectedOptions.length - 1];
+    targetOption.loading = true;
+    let { api, beforeFetch, afterFetch, resultField, apiParamKey } = props;
+    if (!api || !isFunction(api)) return;
+    try {
+      let param = {
+        [apiParamKey]: Reflect.get(targetOption, 'value'),
+      };
+      if (beforeFetch && isFunction(beforeFetch)) {
+        param = (await beforeFetch(param)) || param;
+      }
+      let res = await api(param);
+      if (afterFetch && isFunction(afterFetch)) {
+        res = (await afterFetch(res)) || res;
+      }
+      if (Array.isArray(res)) {
+        const children = generatorOptions(res);
+        targetOption.children = children;
+        return;
+      }
+      if (resultField) {
+        const children = generatorOptions(get(res, resultField) || []);
+        targetOption.children = children;
+      }
+    } catch (e) {
+      console.error(e);
+    } finally {
+      targetOption.loading = false;
+    }
+  };
+
+  watch(
+    () => props.immediate,
+    () => {
+      props.immediate && fetch();
+    },
+    {
+      immediate: true,
+    },
+  );
+
+  watch(
+    () => props.initFetchParams,
+    () => {
+      !unref(isFirstLoad) && fetch();
+    },
+    { deep: true },
+  );
+
+  function handleChange(keys, args) {
+    emitData.value = args;
+    emit('defaultChange', keys, args);
+  }
+
+  const handleRenderDisplay: CascaderProps['displayRender'] = ({ labels, selectedOptions }) => {
+    if (unref(emitData).length === selectedOptions?.length) {
+      return labels.join(' / ');
+    }
+    if (props.displayRenderArray) {
+      return props.displayRenderArray.join(' / ');
+    }
+    return '';
+  };
 </script>

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