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import { createEffect, Show, For, type JSX, createSignal } from "solid-js"
import { createStore } from "solid-js/store"
import { FilteredListProps, useFilteredList } from "@opencode-ai/ui/hooks"
import { Icon, IconProps } from "./icon"
export interface ListProps<T> extends FilteredListProps<T> {
class?: string
children: (item: T) => JSX.Element
emptyMessage?: string
onKeyEvent?: (event: KeyboardEvent, item: T | undefined) => void
activeIcon?: IconProps["name"]
filter?: string
}
export interface ListRef {
onKeyDown: (e: KeyboardEvent) => void
setScrollRef: (el: HTMLDivElement | undefined) => void
}
export function List<T>(props: ListProps<T> & { ref?: (ref: ListRef) => void }) {
const [scrollRef, setScrollRef] = createSignal<HTMLDivElement | undefined>(undefined)
const [store, setStore] = createStore({
mouseActive: false,
})
const { filter, grouped, flat, reset, active, setActive, onKeyDown, onInput } = useFilteredList<T>({
items: props.items,
key: props.key,
filterKeys: props.filterKeys,
current: props.current,
groupBy: props.groupBy,
sortBy: props.sortBy,
sortGroupsBy: props.sortGroupsBy,
})
createEffect(() => {
if (props.filter === undefined) return
onInput(props.filter)
})
createEffect(() => {
filter()
scrollRef()?.scrollTo(0, 0)
reset()
})
createEffect(() => {
if (!scrollRef()) return
if (!props.current) return
const key = props.key(props.current)
requestAnimationFrame(() => {
const element = scrollRef()!.querySelector(`[data-key="${key}"]`)
element?.scrollIntoView({ block: "center" })
})
})
createEffect(() => {
const all = flat()
if (store.mouseActive || all.length === 0) return
if (active() === props.key(all[0])) {
scrollRef()?.scrollTo(0, 0)
return
}
const element = scrollRef()?.querySelector(`[data-key="${active()}"]`)
element?.scrollIntoView({ block: "nearest", behavior: "smooth" })
})
const handleSelect = (item: T | undefined, index: number) => {
props.onSelect?.(item, index)
}
const handleKey = (e: KeyboardEvent) => {
setStore("mouseActive", false)
if (e.key === "Escape") return
const all = flat()
const selected = all.find((x) => props.key(x) === active())
const index = selected ? all.indexOf(selected) : -1
props.onKeyEvent?.(e, selected)
if (e.key === "Enter") {
e.preventDefault()
if (selected) handleSelect(selected, index)
} else {
onKeyDown(e)
}
}
props.ref?.({
onKeyDown: handleKey,
setScrollRef,
})
return (
<div ref={setScrollRef} data-component="list" classList={{ [props.class ?? ""]: !!props.class }}>
<Show
when={flat().length > 0}
fallback={
<div data-slot="list-empty-state">
<div data-slot="list-message">
{props.emptyMessage ?? "No results"} for <span data-slot="list-filter">"{filter()}"</span>
</div>
</div>
}
>
<For each={grouped()}>
{(group) => (
<div data-slot="list-group">
<Show when={group.category}>
<div data-slot="list-header">{group.category}</div>
</Show>
<div data-slot="list-items">
<For each={group.items}>
{(item, i) => (
<button
data-slot="list-item"
data-key={props.key(item)}
data-active={props.key(item) === active()}
data-selected={item === props.current}
onClick={() => handleSelect(item, i())}
onMouseMove={() => {
setStore("mouseActive", true)
setActive(props.key(item))
}}
>
{props.children(item)}
<Show when={item === props.current}>
<Icon data-slot="list-item-selected-icon" name="check-small" />
</Show>
<Show when={props.activeIcon}>
{(icon) => <Icon data-slot="list-item-active-icon" name={icon()} />}
</Show>
</button>
)}
</For>
</div>
</div>
)}
</For>
</Show>
</div>
)
}
|
