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fix(ButtonGroup): handle components with children (#999)
Co-authored-by: Benjamin Canac <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| import { computed, ref, provide, inject, onMounted, onUnmounted, getCurrentInstance } from 'vue' | ||
| import type { Ref, ComponentInternalInstance } from 'vue' | ||
| import { buttonGroup } from '#ui/ui.config' | ||
|
|
||
| type ButtonGroupProps = { | ||
| orientation?: Ref<'horizontal' | 'vertical'> | ||
| size?: Ref<string> | ||
| ui?: Ref<Partial<typeof buttonGroup>> | ||
| rounded?: Ref<{ start: string, end: string }> | ||
| } | ||
|
|
||
| // make a ButtonGroupContext type for injection. Should include ButtonGroupProps | ||
| type ButtonGroupContext = { | ||
| children: ComponentInternalInstance[] | ||
| register(child: ComponentInternalInstance): void | ||
| unregister(child: ComponentInternalInstance): void | ||
| orientation: 'horizontal' | 'vertical' | ||
| size: string | ||
| ui: Partial<typeof buttonGroup> | ||
| rounded: { start: string, end: string } | ||
| } | ||
|
|
||
| export function useProvideButtonGroup (buttonGroupProps: ButtonGroupProps) { | ||
| const instance = getCurrentInstance() | ||
| const groupKey = `group-${instance.uid}` | ||
| const state = ref({ | ||
| children: [], | ||
| register (child) { | ||
| this.children.push(child) | ||
| }, | ||
| unregister (child) { | ||
| const index = this.children.indexOf(child) | ||
| if (index > -1) { | ||
| this.children.splice(index, 1) | ||
| } | ||
| }, | ||
| ...buttonGroupProps | ||
| }) | ||
| provide(groupKey, state as Ref<ButtonGroupContext>) | ||
| } | ||
|
|
||
| export function useInjectButtonGroup ({ ui, props }: { ui: any, props: any }) { | ||
| const instance = getCurrentInstance() | ||
|
|
||
| let parent = instance.parent | ||
| let groupContext: Ref<ButtonGroupContext> | undefined | ||
|
|
||
| // Traverse up the parent chain to find the nearest ButtonGroup | ||
| while (parent && !groupContext) { | ||
| if (parent.type.name === 'ButtonGroup') { | ||
| groupContext = inject(`group-${parent.uid}`) | ||
| break | ||
| } | ||
| parent = parent.parent | ||
| } | ||
|
|
||
| const positionInGroup = computed(() => groupContext?.value.children.indexOf(instance)) | ||
| onMounted(() => { | ||
| groupContext?.value.register(instance) | ||
| }) | ||
| onUnmounted(() => { | ||
| groupContext?.value.unregister(instance) | ||
| }) | ||
| return { | ||
| size: computed(() => groupContext?.value.size || props.size), | ||
| rounded: computed(() => { | ||
| if (!groupContext || positionInGroup.value === -1) return ui.value.rounded | ||
| if (groupContext.value.children.length === 1) return groupContext.value.ui.rounded | ||
| if (positionInGroup.value === 0) return groupContext.value.rounded.start | ||
| if (positionInGroup.value === groupContext.value.children.length - 1) return groupContext.value.rounded.end | ||
| return 'rounded-none' | ||
| }) | ||
| } | ||
| } |
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