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| 1 | +import { defineComponent, h, ref } from 'vue' |
| 2 | +import { getNextActiveElement } from '../dropdown/utils' |
| 3 | + |
| 4 | +const CTabList = defineComponent({ |
| 5 | + name: 'CTabList', |
| 6 | + props: { |
| 7 | + /** |
| 8 | + * Specify a layout type for component. |
| 9 | + * |
| 10 | + * @values 'fill', 'justified' |
| 11 | + */ |
| 12 | + layout: { |
| 13 | + type: String, |
| 14 | + validator: (value: string) => { |
| 15 | + return ['fill', 'justified'].includes(value) |
| 16 | + }, |
| 17 | + }, |
| 18 | + /** |
| 19 | + * Set the nav variant to tabs or pills. |
| 20 | + * |
| 21 | + * @values 'pills', 'tabs', 'underline', 'underline-border' |
| 22 | + */ |
| 23 | + variant: { |
| 24 | + type: String, |
| 25 | + validator: (value: string) => { |
| 26 | + return ['pills', 'tabs', 'underline', 'underline-border'].includes(value) |
| 27 | + }, |
| 28 | + }, |
| 29 | + }, |
| 30 | + setup(props, { slots }) { |
| 31 | + const tabListRef = ref<HTMLDivElement>() |
| 32 | + |
| 33 | + const handleKeydown = (event: KeyboardEvent) => { |
| 34 | + if ( |
| 35 | + tabListRef.value && |
| 36 | + (event.key === 'ArrowDown' || |
| 37 | + event.key === 'ArrowUp' || |
| 38 | + event.key === 'ArrowLeft' || |
| 39 | + event.key === 'ArrowRight' || |
| 40 | + event.key === 'Home' || |
| 41 | + event.key === 'End') |
| 42 | + ) { |
| 43 | + event.preventDefault() |
| 44 | + const target = event.target as HTMLElement |
| 45 | + // eslint-disable-next-line unicorn/prefer-spread |
| 46 | + const items: HTMLElement[] = Array.from( |
| 47 | + tabListRef.value.querySelectorAll('.nav-link:not(.disabled):not(:disabled)'), |
| 48 | + ) |
| 49 | + |
| 50 | + let nextActiveElement |
| 51 | + |
| 52 | + if (event.key === 'Home' || event.key === 'End') { |
| 53 | + nextActiveElement = event.key === 'End' ? items.at(-1) : items[0] |
| 54 | + } else { |
| 55 | + nextActiveElement = getNextActiveElement( |
| 56 | + items, |
| 57 | + target, |
| 58 | + event.key === 'ArrowDown' || event.key === 'ArrowRight', |
| 59 | + true, |
| 60 | + ) |
| 61 | + } |
| 62 | + |
| 63 | + if (nextActiveElement) { |
| 64 | + nextActiveElement.focus({ preventScroll: true }) |
| 65 | + } |
| 66 | + } |
| 67 | + } |
| 68 | + |
| 69 | + return () => |
| 70 | + h( |
| 71 | + 'div', |
| 72 | + { |
| 73 | + class: [ |
| 74 | + 'nav', |
| 75 | + { |
| 76 | + [`nav-${props.layout}`]: props.layout, |
| 77 | + [`nav-${props.variant}`]: props.variant, |
| 78 | + }, |
| 79 | + ], |
| 80 | + role: 'tablist', |
| 81 | + onKeydown: (event) => handleKeydown(event), |
| 82 | + ref: tabListRef, |
| 83 | + }, |
| 84 | + slots.default && slots.default(), |
| 85 | + ) |
| 86 | + }, |
| 87 | +}) |
| 88 | + |
| 89 | +export { CTabList } |
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