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

A Component Library for Vue 3

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 { OnlyChild } from '../../slot/src/only-child.mjs';
import { isElement } from '../../../utils/types.mjs';
import { isFocusable } from '../../../utils/dom/aria.mjs';

const _sfc_main = defineComponent({
  ...{
    name: "ElPopperTrigger",
    inheritAttrs: false
  },
  __name: "trigger",
  props: popperTriggerProps,
  setup(__props, { expose: __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(prevEl)) {
            TRIGGER_ELE_EVENTS.forEach((eventName) => {
              const handler = props[eventName];
              if (handler) {
                prevEl.removeEventListener(
                  eventName.slice(2).toLowerCase(),
                  handler,
                  ["onFocus", "onBlur"].includes(eventName)
                );
              }
            });
          }
          if (isElement(el)) {
            TRIGGER_ELE_EVENTS.forEach((eventName) => {
              const handler = props[eventName];
              if (handler) {
                el.addEventListener(
                  eventName.slice(2).toLowerCase(),
                  handler,
                  ["onFocus", "onBlur"].includes(eventName)
                );
              }
            });
            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,
              ["onFocus", "onBlur"].includes(eventName)
            );
          }
        });
        triggerRef.value = void 0;
      }
    });
    __expose({
      triggerRef
    });
    return (_ctx, _cache) => {
      return !_ctx.virtualTriggering ? (openBlock(), createBlock(unref(OnlyChild), mergeProps({ key: 0 }, _ctx.$attrs, {
        "aria-controls": ariaControls.value,
        "aria-describedby": ariaDescribedby.value,
        "aria-expanded": ariaExpanded.value,
        "aria-haspopup": ariaHaspopup.value
      }), {
        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", "/home/runner/work/element-plus/element-plus/packages/components/popper/src/trigger.vue"]]);

export { ElPopperTrigger as default };
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