element-plus/es/components/popper/src/content4.mjs.map

A Component Library for Vue 3

{"version":3,"file":"content4.mjs","sources":["../../../../../../packages/components/popper/src/content.vue"],"sourcesContent":["<template>\n  <div\n    ref=\"popperContentRef\"\n    :style=\"contentStyle\"\n    :class=\"contentClass\"\n    :role=\"role\"\n    :aria-label=\"ariaLabel\"\n    :aria-modal=\"ariaModal\"\n    tabindex=\"-1\"\n    @mouseenter=\"(e) => $emit('mouseenter', e)\"\n    @mouseleave=\"(e) => $emit('mouseleave', e)\"\n  >\n    <el-focus-trap\n      :trapped=\"trapped\"\n      :trap-on-focus-in=\"true\"\n      :focus-trap-el=\"popperContentRef\"\n      :focus-start-el=\"focusStartRef\"\n      @focus-after-trapped=\"onFocusAfterTrapped\"\n      @focus-after-released=\"onFocusAfterReleased\"\n      @focusin=\"onFocusInTrap\"\n      @focusout-prevented=\"onFocusoutPrevented\"\n      @release-requested=\"onReleaseRequested\"\n    >\n      <slot />\n    </el-focus-trap>\n  </div>\n</template>\n\n<script lang=\"ts\" setup>\nimport { computed, inject, onMounted, provide, ref, unref, watch } from 'vue'\nimport { NOOP } from '@vue/shared'\nimport { createPopper } from '@popperjs/core'\nimport ElFocusTrap from '@element-plus/components/focus-trap'\nimport { useNamespace, useZIndex } from '@element-plus/hooks'\nimport {\n  POPPER_CONTENT_INJECTION_KEY,\n  POPPER_INJECTION_KEY,\n  formItemContextKey,\n} from '@element-plus/tokens'\nimport { usePopperContentEmits, usePopperContentProps } from './content'\nimport { buildPopperOptions, unwrapMeasurableEl } from './utils'\n\nimport type { WatchStopHandle } from 'vue'\n\ndefineOptions({\n  name: 'ElPopperContent',\n})\n\nconst emit = defineEmits(usePopperContentEmits)\n\nconst props = defineProps(usePopperContentProps)\n\nconst { popperInstanceRef, contentRef, triggerRef, role } = inject(\n  POPPER_INJECTION_KEY,\n  undefined\n)!\nconst formItemContext = inject(formItemContextKey, undefined)\nconst { nextZIndex } = useZIndex()\nconst ns = useNamespace('popper')\nconst popperContentRef = ref<HTMLElement>()\nconst focusStartRef = ref<string | HTMLElement>('first')\nconst arrowRef = ref<HTMLElement>()\nconst arrowOffset = ref<number>()\nprovide(POPPER_CONTENT_INJECTION_KEY, {\n  arrowRef,\n  arrowOffset,\n})\n\nif (\n  formItemContext &&\n  (formItemContext.addInputId || formItemContext.removeInputId)\n) {\n  // disallow auto-id from inside popper content\n  provide(formItemContextKey, {\n    ...formItemContext,\n    addInputId: NOOP,\n    removeInputId: NOOP,\n  })\n}\n\nconst contentZIndex = ref<number>(props.zIndex || nextZIndex())\nconst trapped = ref<boolean>(false)\n\nconst computedReference = computed(\n  () => unwrapMeasurableEl(props.referenceEl) || unref(triggerRef)\n)\n\nconst contentStyle = computed(\n  () => [{ zIndex: unref(contentZIndex) }, props.popperStyle] as any\n)\n\nconst contentClass = computed(() => [\n  ns.b(),\n  ns.is('pure', props.pure),\n  ns.is(props.effect),\n  props.popperClass,\n])\n\nconst ariaModal = computed<string | undefined>(() => {\n  return role && role.value === 'dialog' ? 'false' : undefined\n})\n\nconst createPopperInstance = ({ referenceEl, popperContentEl, arrowEl }) => {\n  const options = buildPopperOptions(props, {\n    arrowEl,\n    arrowOffset: unref(arrowOffset),\n  })\n\n  return createPopper(referenceEl, popperContentEl, options)\n}\n\nconst updatePopper = (shouldUpdateZIndex = true) => {\n  unref(popperInstanceRef)?.update()\n  shouldUpdateZIndex && (contentZIndex.value = props.zIndex || nextZIndex())\n}\n\nconst togglePopperAlive = () => {\n  const monitorable = { name: 'eventListeners', enabled: props.visible }\n  unref(popperInstanceRef)?.setOptions?.((options) => ({\n    ...options,\n    modifiers: [...(options.modifiers || []), monitorable],\n  }))\n  updatePopper(false)\n  if (props.visible && props.focusOnShow) {\n    trapped.value = true\n  } else if (props.visible === false) {\n    trapped.value = false\n  }\n}\n\nconst onFocusAfterTrapped = () => {\n  emit('focus')\n}\n\nconst onFocusAfterReleased = () => {\n  focusStartRef.value = 'first'\n  emit('blur')\n}\n\nconst onFocusInTrap = (event: FocusEvent) => {\n  if (props.visible && !trapped.value) {\n    if (event.relatedTarget) {\n      ;(event.relatedTarget as HTMLElement)?.focus()\n    }\n    if (event.target) {\n      focusStartRef.value = event.target as typeof focusStartRef.value\n    }\n    trapped.value = true\n  }\n}\n\nconst onFocusoutPrevented = () => {\n  if (!props.trapping) {\n    trapped.value = false\n  }\n}\n\nconst onReleaseRequested = () => {\n  trapped.value = false\n  emit('close')\n}\n\nonMounted(() => {\n  let updateHandle: WatchStopHandle\n  watch(\n    computedReference,\n    (referenceEl) => {\n      updateHandle?.()\n      const popperInstance = unref(popperInstanceRef)\n      popperInstance?.destroy?.()\n      if (referenceEl) {\n        const popperContentEl = unref(popperContentRef)!\n        contentRef.value = popperContentEl\n\n        popperInstanceRef.value = createPopperInstance({\n          referenceEl,\n          popperContentEl,\n          arrowEl: unref(arrowRef),\n        })\n\n        updateHandle = watch(\n          () => referenceEl.getBoundingClientRect(),\n          () => updatePopper(),\n          {\n            immediate: true,\n          }\n        )\n      } else {\n        popperInstanceRef.value = undefined\n      }\n    },\n    {\n      immediate: true,\n    }\n  )\n\n  watch(() => props.visible, togglePopperAlive, { immediate: true })\n\n  watch(\n    () =>\n      buildPopperOptions(props, {\n        arrowEl: unref(arrowRef),\n        arrowOffset: unref(arrowOffset),\n      }),\n    (option) => popperInstanceRef.value?.setOptions(option)\n  )\n})\n\ndefineExpose({\n  /**\n   * @description popper content element\n   */\n  popperContentRef,\n  /**\n   * @description popperjs instance\n   */\n  popperInstanceRef,\n  /**\n   * @description method for updating popper\n   */\n  updatePopper,\n\n  /**\n   * @description content style\n   */\n  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