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6.8 KiB
1 line
6.8 KiB
2 years ago
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{"version":3,"file":"roving-focus-item.mjs","sources":["../../../../../../packages/components/roving-focus-group/src/roving-focus-item.vue"],"sourcesContent":["<template>\n <el-roving-focus-collection-item\n :id=\"id\"\n :focusable=\"focusable\"\n :active=\"active\"\n >\n <slot />\n </el-roving-focus-collection-item>\n</template>\n\n<script lang=\"ts\">\nimport {\n computed,\n defineComponent,\n inject,\n nextTick,\n provide,\n ref,\n unref,\n} from 'vue'\nimport { useId } from '@element-plus/hooks'\nimport { composeEventHandlers } from '@element-plus/utils'\nimport { EVENT_CODE } from '@element-plus/constants'\nimport {\n ElCollectionItem as ElRovingFocusCollectionItem,\n ROVING_FOCUS_COLLECTION_INJECTION_KEY,\n} from './roving-focus-group'\nimport {\n ROVING_FOCUS_GROUP_INJECTION_KEY,\n ROVING_FOCUS_GROUP_ITEM_INJECTION_KEY,\n} from './tokens'\nimport { focusFirst, getFocusIntent, reorderArray } from './utils'\n\nexport default defineComponent({\n components: {\n ElRovingFocusCollectionItem,\n },\n props: {\n focusable: {\n type: Boolean,\n default: true,\n },\n active: {\n type: Boolean,\n default: false,\n },\n },\n emits: ['mousedown', 'focus', 'keydown'],\n setup(props, { emit }) {\n const { currentTabbedId, loop, onItemFocus, onItemShiftTab } = inject(\n ROVING_FOCUS_GROUP_INJECTION_KEY,\n undefined\n )!\n\n const { getItems } = inject(\n ROVING_FOCUS_COLLECTION_INJECTION_KEY,\n undefined\n )!\n\n const id = useId()\n const rovingFocusGroupItemRef = ref<HTMLElement | null>(null)\n\n const handleMousedown = composeEventHandlers(\n (e: Event) => {\n emit('mousedown', e)\n },\n (e) => {\n if (!props.focusable) {\n e.preventDefault()\n } else {\n onItemFocus(unref(id))\n }\n }\n )\n\n const handleFocus = composeEventHandlers(\n (e: Event) => {\n emit('focus', e)\n },\n () => {\n onItemFocus(unref(id))\n }\n )\n\n const handleKeydown = composeEventHandlers(\n (e: Event) => {\n emit('keydown', e)\n },\n (e) => {\n const { key, shiftKey, target, currentTarget } = e as KeyboardEvent\n if (key === EVENT_CODE.tab && shiftKey) {\n onItemShiftTab()\n return\n }\n if (target !== currentTarget) return\n const focusIntent = getFocusIntent(e as KeyboardEvent)\n\n if (focusIntent) {\n e.preventDefault()\n const items = getItems<typeof props>().filter(\n (item) => item.focusable\n )\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(currentTarget as HTMLElement)\n elements = loop.value\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\n const isCurrentTab = computed(() => currentTabbedId.value === unref(id))\n\n provide(ROVING_FOCUS_GROUP_ITEM_INJECTION_KEY, {\n rovingFocusGroupItemRef,\n tabIndex: computed(() => (unref(isCurrentTab) ? 0 : -1)),\n handleMousedown,\n handleFocus,\n handleKeydown,\n })\n\n return {\n id,\n handleKeydown,\n handleFocus,\n handleMousedown,\n }\n },\n})\n</script>\n"],"names":["ElRovingFocusCollectionItem","ROVING_FOCUS_COLLECTION_INJECTION_KEY","_createBlock","_renderSlot"],"mappings":";;;;;;;;;;;;AAiCA,MAAK,YAAa,eAAa,CAAA;AAAA,EAC7B,UAAY,EAAA;AAAA,iCACVA,gBAAA;AAAA,GACF;AAAA,EACA,KAAO,EA
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