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fix(ButtonGroup): handle components with children (#999)
Co-authored-by: Benjamin Canac <canacb1@gmail.com>
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Original file line number | Diff line number | Diff line change |
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import { computed, ref, provide, inject, onMounted, onUnmounted, getCurrentInstance } from 'vue' | ||
import type { Ref, ComponentInternalInstance } from 'vue' | ||
import { buttonGroup } from '#ui/ui.config' | ||
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type ButtonGroupProps = { | ||
orientation?: Ref<'horizontal' | 'vertical'> | ||
size?: Ref<string> | ||
ui?: Ref<Partial<typeof buttonGroup>> | ||
rounded?: Ref<{ start: string, end: string }> | ||
} | ||
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// 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 } | ||
} | ||
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export function useProvideButtonGroup (buttonGroupProps: ButtonGroupProps) { | ||
const instance = getCurrentInstance() | ||
const groupKey = `group-${instance.uid}` | ||
const state = ref({ | ||
children: [], | ||
register (child) { | ||
this.children.push(child) | ||
}, | ||
unregister (child) { | ||
const index = this.children.indexOf(child) | ||
if (index > -1) { | ||
this.children.splice(index, 1) | ||
} | ||
}, | ||
...buttonGroupProps | ||
}) | ||
provide(groupKey, state as Ref<ButtonGroupContext>) | ||
} | ||
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export function useInjectButtonGroup ({ ui, props }: { ui: any, props: any }) { | ||
const instance = getCurrentInstance() | ||
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let parent = instance.parent | ||
let groupContext: Ref<ButtonGroupContext> | undefined | ||
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// Traverse up the parent chain to find the nearest ButtonGroup | ||
while (parent && !groupContext) { | ||
if (parent.type.name === 'ButtonGroup') { | ||
groupContext = inject(`group-${parent.uid}`) | ||
break | ||
} | ||
parent = parent.parent | ||
} | ||
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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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