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/ApiSelect.vue |  251 ++++++++++++++++++++++++++------------------------
 1 files changed, 131 insertions(+), 120 deletions(-)

diff --git a/src/components/Form/src/components/ApiSelect.vue b/src/components/Form/src/components/ApiSelect.vue
index 8239915..df59336 100644
--- a/src/components/Form/src/components/ApiSelect.vue
+++ b/src/components/Form/src/components/ApiSelect.vue
@@ -20,132 +20,143 @@
     </template>
   </Select>
 </template>
-<script lang="ts">
-  import { defineComponent, PropType, ref, watchEffect, computed, unref, watch } from 'vue';
+<script lang="ts" setup>
+  import { PropType, ref, computed, unref, watch } from 'vue';
   import { Select } from 'ant-design-vue';
-  import { isFunction } from '/@/utils/is';
-  import { useRuleFormItem } from '/@/hooks/component/useFormItem';
-  import { useAttrs } from '@vben/hooks';
-  import { get, omit } from 'lodash-es';
+  import type { SelectValue } from 'ant-design-vue/es/select';
+  import { isFunction } from '@/utils/is';
+  import { useRuleFormItem } from '@/hooks/component/useFormItem';
+  import { get, omit, isEqual } from 'lodash-es';
   import { LoadingOutlined } from '@ant-design/icons-vue';
-  import { useI18n } from '/@/hooks/web/useI18n';
-  import { propTypes } from '/@/utils/propTypes';
+  import { useI18n } from '@/hooks/web/useI18n';
+  import { propTypes } from '@/utils/propTypes';
 
-  type OptionsItem = { label: string; value: string; disabled?: boolean };
+  type OptionsItem = { label?: string; value?: string; disabled?: boolean; [name: string]: any };
 
-  export default defineComponent({
-    name: 'ApiSelect',
-    components: {
-      Select,
-      LoadingOutlined,
+  defineOptions({ name: 'ApiSelect', inheritAttrs: false });
+
+  const props = defineProps({
+    value: { type: [Array, Object, String, Number] as PropType<SelectValue> },
+    numberToString: propTypes.bool,
+    api: {
+      type: Function as PropType<(arg?: any) => Promise<OptionsItem[] | Recordable<any>>>,
+      default: null,
     },
-    inheritAttrs: false,
-    props: {
-      value: [Array, Object, String, Number],
-      numberToString: propTypes.bool,
-      api: {
-        type: Function as PropType<(arg?: any) => Promise<OptionsItem[]>>,
-        default: null,
-      },
-      // api params
-      params: propTypes.any.def({}),
-      // support xxx.xxx.xx
-      resultField: propTypes.string.def(''),
-      labelField: propTypes.string.def('label'),
-      valueField: propTypes.string.def('value'),
-      immediate: propTypes.bool.def(true),
-      alwaysLoad: propTypes.bool.def(false),
+    // api params
+    params: propTypes.any.def({}),
+    // support xxx.xxx.xx
+    resultField: propTypes.string.def(''),
+    labelField: propTypes.string.def('label'),
+    valueField: propTypes.string.def('value'),
+    immediate: propTypes.bool.def(true),
+    alwaysLoad: propTypes.bool.def(false),
+    options: {
+      type: Array<OptionsItem>,
+      default: [],
     },
-    emits: ['options-change', 'change', 'update:value'],
-    setup(props, { emit }) {
-      const options = ref<OptionsItem[]>([]);
-      const loading = ref(false);
-      const isFirstLoad = ref(true);
-      const emitData = ref<any[]>([]);
-      const attrs = useAttrs();
-      const { t } = useI18n();
-
-      // Embedded in the form, just use the hook binding to perform form verification
-      const [state] = useRuleFormItem(props, 'value', 'change', emitData);
-
-      const getOptions = computed(() => {
-        const { labelField, valueField, numberToString } = props;
-
-        return unref(options).reduce((prev, next: any) => {
-          if (next) {
-            const value = get(next, valueField);
-            prev.push({
-              ...omit(next, [labelField, valueField]),
-              label: get(next, labelField),
-              value: numberToString ? `${value}` : value,
-            });
-          }
-          return prev;
-        }, [] as OptionsItem[]);
-      });
-
-      watchEffect(() => {
-        props.immediate && !props.alwaysLoad && fetch();
-      });
-
-      watch(
-        () => state.value,
-        (v) => {
-          emit('update:value', v);
-        },
-      );
-
-      watch(
-        () => props.params,
-        () => {
-          !unref(isFirstLoad) && fetch();
-        },
-        { deep: true },
-      );
-
-      async function fetch() {
-        const api = props.api;
-        if (!api || !isFunction(api)) return;
-        options.value = [];
-        try {
-          loading.value = true;
-          const res = await api(props.params);
-          if (Array.isArray(res)) {
-            options.value = res;
-            emitChange();
-            return;
-          }
-          if (props.resultField) {
-            options.value = get(res, props.resultField) || [];
-          }
-          emitChange();
-        } catch (error) {
-          console.warn(error);
-        } finally {
-          loading.value = false;
-        }
-      }
-
-      async function handleFetch(visible) {
-        if (visible) {
-          if (props.alwaysLoad) {
-            await fetch();
-          } else if (!props.immediate && unref(isFirstLoad)) {
-            await fetch();
-            isFirstLoad.value = false;
-          }
-        }
-      }
-
-      function emitChange() {
-        emit('options-change', unref(getOptions));
-      }
-
-      function handleChange(_, ...args) {
-        emitData.value = args;
-      }
-
-      return { state, attrs, getOptions, loading, t, handleFetch, handleChange };
+    beforeFetch: {
+      type: Function as PropType<Fn>,
+      default: null,
+    },
+    afterFetch: {
+      type: Function as PropType<Fn>,
+      default: null,
     },
   });
+
+  const emit = defineEmits(['options-change', 'change', 'update:value']);
+
+  const optionsRef = ref<OptionsItem[]>([]);
+
+  const loading = ref(false);
+  // 棣栨鏄惁鍔犺浇杩囦簡
+  const isFirstLoaded = ref(false);
+  const emitData = ref<OptionsItem[]>([]);
+  const { t } = useI18n();
+
+  // Embedded in the form, just use the hook binding to perform form verification
+  const [state] = useRuleFormItem(props, 'value', 'change', emitData);
+
+  const getOptions = computed(() => {
+    const { labelField, valueField, numberToString } = props;
+
+    let data = unref(optionsRef).reduce((prev, next: any) => {
+      if (next) {
+        const value = get(next, valueField);
+        prev.push({
+          ...omit(next, [labelField, valueField]),
+          label: get(next, labelField),
+          value: numberToString ? `${value}` : value,
+        });
+      }
+      return prev;
+    }, [] as OptionsItem[]);
+    return data.length > 0 ? data : props.options;
+  });
+
+  watch(
+    () => state.value,
+    (v) => {
+      emit('update:value', v);
+    },
+  );
+
+  watch(
+    () => props.params,
+    (value, oldValue) => {
+      if (isEqual(value, oldValue)) return;
+      fetch();
+    },
+    { deep: true, immediate: props.immediate },
+  );
+
+  async function fetch() {
+    let { api, beforeFetch, afterFetch, params, resultField } = props;
+    if (!api || !isFunction(api) || loading.value) return;
+    optionsRef.value = [];
+    try {
+      loading.value = true;
+      if (beforeFetch && isFunction(beforeFetch)) {
+        params = (await beforeFetch(params)) || params;
+      }
+      let res = await api(params);
+      if (afterFetch && isFunction(afterFetch)) {
+        res = (await afterFetch(res)) || res;
+      }
+      isFirstLoaded.value = true;
+      if (Array.isArray(res)) {
+        optionsRef.value = res;
+        emitChange();
+        return;
+      }
+      if (resultField) {
+        optionsRef.value = get(res, resultField) || [];
+      }
+      emitChange();
+    } catch (error) {
+      console.warn(error);
+      // reset status
+      isFirstLoaded.value = false;
+    } finally {
+      loading.value = false;
+    }
+  }
+
+  async function handleFetch(visible: boolean) {
+    if (visible) {
+      if (props.alwaysLoad) {
+        await fetch();
+      } else if (!props.immediate && !unref(isFirstLoaded)) {
+        await fetch();
+      }
+    }
+  }
+
+  function emitChange() {
+    emit('options-change', unref(getOptions));
+  }
+
+  function handleChange(_, ...args) {
+    emitData.value = args;
+  }
 </script>

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