wiki/node_modules/element-plus/es/components/popper/src/trigger2.mjs

import { defineComponent, inject, computed, onMounted, watch, onBeforeUnmount, openBlock, createBlock, unref, mergeProps, withCtx, renderSlot, createCommentVNode } from 'vue';
import { isNil } from 'lodash-unified';
import { unrefElement } from '@vueuse/core';
import { POPPER_INJECTION_KEY } from './constants.mjs';
import { popperTriggerProps } from './trigger.mjs';
import _export_sfc from '../../../_virtual/plugin-vue_export-helper.mjs';
import { useForwardRef } from '../../../hooks/use-forward-ref/index.mjs';
import { isFocusable } from '../../../utils/dom/aria.mjs';
import { OnlyChild } from '../../slot/src/only-child.mjs';
import { isElement } from '../../../utils/types.mjs';

const __default__ = defineComponent({
  name: "ElPopperTrigger",
  inheritAttrs: false
});
const _sfc_main = /* @__PURE__ */ defineComponent({
  ...__default__,
  props: popperTriggerProps,
  setup(__props, { expose }) {
    const props = __props;
    const { role, triggerRef } = inject(POPPER_INJECTION_KEY, void 0);
    useForwardRef(triggerRef);
    const ariaControls = computed(() => {
      return ariaHaspopup.value ? props.id : void 0;
    });
    const ariaDescribedby = computed(() => {
      if (role && role.value === "tooltip") {
        return props.open && props.id ? props.id : void 0;
      }
      return void 0;
    });
    const ariaHaspopup = computed(() => {
      if (role && role.value !== "tooltip") {
        return role.value;
      }
      return void 0;
    });
    const ariaExpanded = computed(() => {
      return ariaHaspopup.value ? `${props.open}` : void 0;
    });
    let virtualTriggerAriaStopWatch = void 0;
    const TRIGGER_ELE_EVENTS = [
      "onMouseenter",
      "onMouseleave",
      "onClick",
      "onKeydown",
      "onFocus",
      "onBlur",
      "onContextmenu"
    ];
    onMounted(() => {
      watch(() => props.virtualRef, (virtualEl) => {
        if (virtualEl) {
          triggerRef.value = unrefElement(virtualEl);
        }
      }, {
        immediate: true
      });
      watch(triggerRef, (el, prevEl) => {
        virtualTriggerAriaStopWatch == null ? void 0 : virtualTriggerAriaStopWatch();
        virtualTriggerAriaStopWatch = void 0;
        if (isElement(el)) {
          TRIGGER_ELE_EVENTS.forEach((eventName) => {
            var _a;
            const handler = props[eventName];
            if (handler) {
              el.addEventListener(eventName.slice(2).toLowerCase(), handler);
              (_a = prevEl == null ? void 0 : prevEl.removeEventListener) == null ? void 0 : _a.call(prevEl, eventName.slice(2).toLowerCase(), handler);
            }
          });
          if (isFocusable(el)) {
            virtualTriggerAriaStopWatch = watch([ariaControls, ariaDescribedby, ariaHaspopup, ariaExpanded], (watches) => {
              [
                "aria-controls",
                "aria-describedby",
                "aria-haspopup",
                "aria-expanded"
              ].forEach((key, idx) => {
                isNil(watches[idx]) ? el.removeAttribute(key) : el.setAttribute(key, watches[idx]);
              });
            }, { immediate: true });
          }
        }
        if (isElement(prevEl) && isFocusable(prevEl)) {
          [
            "aria-controls",
            "aria-describedby",
            "aria-haspopup",
            "aria-expanded"
          ].forEach((key) => prevEl.removeAttribute(key));
        }
      }, {
        immediate: true
      });
    });
    onBeforeUnmount(() => {
      virtualTriggerAriaStopWatch == null ? void 0 : virtualTriggerAriaStopWatch();
      virtualTriggerAriaStopWatch = void 0;
      if (triggerRef.value && isElement(triggerRef.value)) {
        const el = triggerRef.value;
        TRIGGER_ELE_EVENTS.forEach((eventName) => {
          const handler = props[eventName];
          if (handler) {
            el.removeEventListener(eventName.slice(2).toLowerCase(), handler);
          }
        });
        triggerRef.value = void 0;
      }
    });
    expose({
      triggerRef
    });
    return (_ctx, _cache) => {
      return !_ctx.virtualTriggering ? (openBlock(), createBlock(unref(OnlyChild), mergeProps({ key: 0 }, _ctx.$attrs, {
        "aria-controls": unref(ariaControls),
        "aria-describedby": unref(ariaDescribedby),
        "aria-expanded": unref(ariaExpanded),
        "aria-haspopup": unref(ariaHaspopup)
      }), {
        default: withCtx(() => [
          renderSlot(_ctx.$slots, "default")
        ]),
        _: 3
      }, 16, ["aria-controls", "aria-describedby", "aria-expanded", "aria-haspopup"])) : createCommentVNode("v-if", true);
    };
  }
});
var ElPopperTrigger = /* @__PURE__ */ _export_sfc(_sfc_main, [["__file", "trigger.vue"]]);

export { ElPopperTrigger as default };
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