{"version":3,"file":"roving-focus-group-impl.vue2.mjs","sources":["../../../../../../packages/components/roving-focus-group/src/roving-focus-group-impl.vue"],"sourcesContent":["<template>\n  <slot />\n</template>\n\n<script lang=\"ts\">\nimport {\n  computed,\n  defineComponent,\n  inject,\n  nextTick,\n  provide,\n  readonly,\n  ref,\n  toRef,\n  unref,\n  watch,\n} from 'vue'\nimport { useEventListener } from '@vueuse/core'\nimport { composeEventHandlers } from '@element-plus/utils'\nimport {\n  ROVING_FOCUS_COLLECTION_INJECTION_KEY,\n  rovingFocusGroupProps,\n} from './roving-focus-group'\nimport { ROVING_FOCUS_GROUP_INJECTION_KEY } from './tokens'\nimport { focusFirst, getFocusIntent, reorderArray } from './utils'\n\nimport type { StyleValue } from 'vue'\n\nconst CURRENT_TAB_ID_CHANGE_EVT = 'currentTabIdChange'\nconst ENTRY_FOCUS_EVT = 'rovingFocusGroup.entryFocus'\nconst EVT_OPTS: EventInit = { bubbles: false, cancelable: true }\n\nexport default defineComponent({\n  name: 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}\n\n    const onMousedown = composeEventHandlers(\n      (e: Event) => {\n        props.onMousedown?.(e)\n      },\n      () => {\n        isClickFocus.value = true\n      }\n    )\n\n    const onFocus = composeEventHandlers(\n      (e: FocusEvent) => {\n        props.onFocus?.(e)\n      },\n      (e) => {\n        const isKeyboardFocus = !unref(isClickFocus)\n        const { target, currentTarget } = e\n        if (\n          target === currentTarget &&\n          isKeyboardFocus &&\n          !unref(isBackingOut)\n        ) {\n          const entryFocusEvt = new Event(ENTRY_FOCUS_EVT, EVT_OPTS)\n          currentTarget?.dispatchEvent(entryFocusEvt)\n\n          if (!entryFocusEvt.defaultPrevented) {\n            const items = getItems<{\n              id: string\n              focusable: boolean\n              active: boolean\n            }>().filter((item) => item.focusable)\n            const activeItem = items.find((item) => item.active)\n            const currentItem = items.find(\n              (item) => item.id === unref(currentTabbedId)\n            )\n            const candidates = [activeItem!, currentItem!, ...items].filter(\n              Boolean\n            )\n            const candidateNodes = candidates.map((item) => item.ref!)\n            focusFirst(candidateNodes)\n          }\n        }\n\n        isClickFocus.value = false\n      }\n    )\n\n    const onBlur = composeEventHandlers(\n      (e: Event) => {\n        props.onBlur?.(e)\n      },\n      () => {\n        isBackingOut.value = false\n      }\n    )\n\n    const handleEntryFocus = (...args: any[]) => {\n      emit('entryFocus', ...args)\n    }\n\n    const onKeydown = (e: KeyboardEvent) => {\n      const focusIntent = getFocusIntent(e as KeyboardEvent)\n\n      if (focusIntent) {\n        e.preventDefault()\n        const items = getItems<{\n          id: string\n          focusable: boolean\n          active: boolean\n        }>().filter((item) => item.focusable)\n\n        let elements = items.map((item) => item.ref!)\n\n        switch (focusIntent) {\n          case 'last': {\n            elements.reverse()\n            break\n          }\n          case 'prev':\n          case 'next': {\n            if (focusIntent === 'prev') {\n              elements.reverse()\n            }\n            const currentIdx = elements.indexOf(e.currentTarget as HTMLElement)\n            elements = props.loop\n              ? reorderArray(elements, currentIdx + 1)\n              : elements.slice(currentIdx + 1)\n            break\n          }\n          default: {\n            break\n          }\n        }\n\n        nextTick(() => {\n          focusFirst(elements)\n        })\n      }\n    }\n\n    provide(ROVING_FOCUS_GROUP_INJECTION_KEY, {\n      currentTabbedId: readonly(currentTabbedId),\n      loop: toRef(props, 'loop'),\n      tabIndex: computed(() => {\n        return unref(isBackingOut) ? -1 : 0\n      }),\n      rovingFocusGroupRef,\n      rovingFocusGroupRootStyle,\n      orientation: toRef(props, 'orientation'),\n      dir: toRef(props, 'dir'),\n      onItemFocus,\n      onItemShiftTab,\n      onBlur,\n      onFocus,\n      onMousedown,\n      onKeydown,\n    })\n\n    watch(\n      () => props.currentTabId,\n      (val) => {\n        currentTabbedId.value = val ?? null\n      }\n    )\n\n    useEventListener(rovingFocusGroupRef, ENTRY_FOCUS_EVT, handleEntryFocus)\n  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