element-plus/es/components/select/src/select.vue2.mjs

A Component Library for Vue 3

import { defineComponent, getCurrentInstance, computed, reactive, toRefs, watch, provide, onBeforeUnmount } from 'vue';
import { ElTooltip } from '../../tooltip/index.mjs';
import { ElScrollbar } from '../../scrollbar/index.mjs';
import { ElTag } from '../../tag/index.mjs';
import { ElIcon } from '../../icon/index.mjs';
import { useProps } from '../../select-v2/src/useProps.mjs';
import Option from './option.vue.mjs';
import ElSelectMenu from './select-dropdown.vue.mjs';
import { useSelect } from './useSelect.mjs';
import { selectKey } from './token.mjs';
import ElOptions from './options.mjs';
import { selectProps } from './select.mjs';
import OptionGroup from './option-group.vue.mjs';
import ClickOutside from '../../../directives/click-outside/index.mjs';
import { useCalcInputWidth } from '../../../hooks/use-calc-input-width/index.mjs';
import { UPDATE_MODEL_EVENT, CHANGE_EVENT } from '../../../constants/event.mjs';
import { isArray, isObject } from '@vue/shared';
import { flattedChildren } from '../../../utils/vue/vnode.mjs';

const COMPONENT_NAME = "ElSelect";
const warnHandlerMap = /* @__PURE__ */ new WeakMap();
const createSelectWarnHandler = (appContext) => {
  return (...args) => {
    var _a, _b;
    const message = args[0];
    if (!message || message.includes(
      'Slot "default" invoked outside of the render function'
    ) && ((_a = args[2]) == null ? void 0 : _a.includes("ElTreeSelect")))
      return;
    const original = (_b = warnHandlerMap.get(appContext)) == null ? void 0 : _b.originalWarnHandler;
    if (original) {
      original(...args);
      return;
    }
    console.warn(...args);
  };
};
const getWarnHandlerRecord = (appContext) => {
  let record = warnHandlerMap.get(appContext);
  if (!record) {
    record = {
      originalWarnHandler: appContext.config.warnHandler,
      handler: createSelectWarnHandler(appContext),
      count: 0
    };
    warnHandlerMap.set(appContext, record);
  }
  return record;
};
var _sfc_main = defineComponent({
  name: COMPONENT_NAME,
  componentName: COMPONENT_NAME,
  components: {
    ElSelectMenu,
    ElOption: Option,
    ElOptions,
    ElOptionGroup: OptionGroup,
    ElTag,
    ElScrollbar,
    ElTooltip,
    ElIcon
  },
  directives: { ClickOutside },
  props: selectProps,
  emits: [
    UPDATE_MODEL_EVENT,
    CHANGE_EVENT,
    "remove-tag",
    "clear",
    "visible-change",
    "focus",
    "blur",
    "popup-scroll"
  ],
  setup(props, { emit, slots }) {
    const instance = getCurrentInstance();
    const warnRecord = getWarnHandlerRecord(instance.appContext);
    warnRecord.count += 1;
    instance.appContext.config.warnHandler = warnRecord.handler;
    const modelValue = computed(() => {
      const { modelValue: rawModelValue, multiple } = props;
      const fallback = multiple ? [] : void 0;
      if (isArray(rawModelValue)) {
        return multiple ? rawModelValue : fallback;
      }
      return multiple ? fallback : rawModelValue;
    });
    const _props = reactive({
      ...toRefs(props),
      modelValue
    });
    const API = useSelect(_props, emit);
    const { calculatorRef, inputStyle } = useCalcInputWidth();
    const { getLabel, getValue, getOptions, getDisabled } = useProps(props);
    const getOptionProps = (option) => ({
      label: getLabel(option),
      value: getValue(option),
      disabled: getDisabled(option)
    });
    const flatTreeSelectData = (data) => {
      return data.reduce((acc, item) => {
        acc.push(item);
        if (item.children && item.children.length > 0) {
          acc.push(...flatTreeSelectData(item.children));
        }
        return acc;
      }, []);
    };
    const manuallyRenderSlots = (vnodes) => {
      const children = flattedChildren(vnodes || []);
      children.forEach((item) => {
        var _a;
        if (isObject(item) && // @ts-expect-error
        (item.type.name === "ElOption" || item.type.name === "ElTree")) {
          const _name = item.type.name;
          if (_name === "ElTree") {
            const treeData = ((_a = item.props) == null ? void 0 : _a.data) || [];
            const flatData = flatTreeSelectData(treeData);
            flatData.forEach((treeItem) => {
              treeItem.currentLabel = treeItem.label || (isObject(treeItem.value) ? "" : treeItem.value);
              API.onOptionCreate(treeItem);
            });
          } else if (_name === "ElOption") {
            const obj = { ...item.props };
            obj.currentLabel = obj.label || (isObject(obj.value) ? "" : obj.value);
            API.onOptionCreate(obj);
          }
        }
      });
    };
    watch(
      () => {
        var _a;
        return [(_a = slots.default) == null ? void 0 : _a.call(slots), modelValue.value];
      },
      () => {
        var _a;
        if (props.persistent || API.expanded.value) {
          return;
        }
        API.states.options.clear();
        manuallyRenderSlots((_a = slots.default) == null ? void 0 : _a.call(slots));
      },
      {
        immediate: true
      }
    );
    provide(
      selectKey,
      reactive({
        props: _props,
        states: API.states,
        selectRef: API.selectRef,
        optionsArray: API.optionsArray,
        setSelected: API.setSelected,
        handleOptionSelect: API.handleOptionSelect,
        onOptionCreate: API.onOptionCreate,
        onOptionDestroy: API.onOptionDestroy
      })
    );
    const selectedLabel = computed(() => {
      if (!props.multiple) {
        return API.states.selectedLabel;
      }
      return API.states.selected.map((i) => i.currentLabel);
    });
    onBeforeUnmount(() => {
      const record = warnHandlerMap.get(instance.appContext);
      if (!record) return;
      record.count -= 1;
      if (record.count <= 0) {
        instance.appContext.config.warnHandler = record.originalWarnHandler;
        warnHandlerMap.delete(instance.appContext);
      }
    });
    return {
      ...API,
      modelValue,
      selectedLabel,
      calculatorRef,
      inputStyle,
      getLabel,
      getValue,
      getOptions,
      getDisabled,
      getOptionProps
    };
  }
});

export { _sfc_main as default };
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