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import { createMemo, createSignal, onCleanup, onMount, type Accessor } from "solid-js"
import { createSimpleContext } from "@opencode-ai/ui/context"
const IS_MAC = typeof navigator === "object" && /(Mac|iPod|iPhone|iPad)/.test(navigator.platform)
export type KeybindConfig = string
export interface Keybind {
key: string
ctrl: boolean
meta: boolean
shift: boolean
alt: boolean
}
export interface CommandOption {
id: string
title: string
description?: string
category?: string
keybind?: KeybindConfig
slash?: string
suggested?: boolean
disabled?: boolean
onSelect?: (source?: "palette" | "keybind" | "slash") => void
onHighlight?: () => (() => void) | void
}
export function parseKeybind(config: string): Keybind[] {
if (!config || config === "none") return []
return config.split(",").map((combo) => {
const parts = combo.trim().toLowerCase().split("+")
const keybind: Keybind = {
key: "",
ctrl: false,
meta: false,
shift: false,
alt: false,
}
for (const part of parts) {
switch (part) {
case "ctrl":
case "control":
keybind.ctrl = true
break
case "meta":
case "cmd":
case "command":
keybind.meta = true
break
case "mod":
if (IS_MAC) keybind.meta = true
else keybind.ctrl = true
break
case "alt":
case "option":
keybind.alt = true
break
case "shift":
keybind.shift = true
break
default:
keybind.key = part
break
}
}
return keybind
})
}
export function matchKeybind(keybinds: Keybind[], event: KeyboardEvent): boolean {
const eventKey = event.key.toLowerCase()
for (const kb of keybinds) {
const keyMatch = kb.key === eventKey
const ctrlMatch = kb.ctrl === (event.ctrlKey || false)
const metaMatch = kb.meta === (event.metaKey || false)
const shiftMatch = kb.shift === (event.shiftKey || false)
const altMatch = kb.alt === (event.altKey || false)
if (keyMatch && ctrlMatch && metaMatch && shiftMatch && altMatch) {
return true
}
}
return false
}
export function formatKeybind(config: string): string {
if (!config || config === "none") return ""
const keybinds = parseKeybind(config)
if (keybinds.length === 0) return ""
const kb = keybinds[0]
const parts: string[] = []
if (kb.ctrl) parts.push(IS_MAC ? "⌃" : "Ctrl")
if (kb.alt) parts.push(IS_MAC ? "⌥" : "Alt")
if (kb.shift) parts.push(IS_MAC ? "⇧" : "Shift")
if (kb.meta) parts.push(IS_MAC ? "⌘" : "Meta")
if (kb.key) {
const displayKey = kb.key.length === 1 ? kb.key.toUpperCase() : kb.key.charAt(0).toUpperCase() + kb.key.slice(1)
parts.push(displayKey)
}
return IS_MAC ? parts.join("") : parts.join("+")
}
export const { use: useCommand, provider: CommandProvider } = createSimpleContext({
name: "Command",
init: () => {
const [registrations, setRegistrations] = createSignal<Accessor<CommandOption[]>[]>([])
const [suspendCount, setSuspendCount] = createSignal(0)
const options = createMemo(() => {
const seen = new Set<string>()
const all: CommandOption[] = []
for (const reg of registrations()) {
for (const opt of reg()) {
if (seen.has(opt.id)) continue
seen.add(opt.id)
all.push(opt)
}
}
const suggested = all.filter((x) => x.suggested && !x.disabled)
return [
...suggested.map((x) => ({
...x,
id: "suggested." + x.id,
category: "Suggested",
})),
...all,
]
})
const suspended = () => suspendCount() > 0
const run = (id: string, source?: "palette" | "keybind" | "slash") => {
for (const option of options()) {
if (option.id === id || option.id === "suggested." + id) {
option.onSelect?.(source)
return
}
}
}
const showPalette = () => {
run("file.open", "palette")
}
const handleKeyDown = (event: KeyboardEvent) => {
if (suspended()) return
const paletteKeybinds = parseKeybind("mod+shift+p")
if (matchKeybind(paletteKeybinds, event)) {
event.preventDefault()
showPalette()
return
}
for (const option of options()) {
if (option.disabled) continue
if (!option.keybind) continue
const keybinds = parseKeybind(option.keybind)
if (matchKeybind(keybinds, event)) {
event.preventDefault()
option.onSelect?.("keybind")
return
}
}
}
onMount(() => {
document.addEventListener("keydown", handleKeyDown)
})
onCleanup(() => {
document.removeEventListener("keydown", handleKeyDown)
})
return {
register(cb: () => CommandOption[]) {
const results = createMemo(cb)
setRegistrations((arr) => [results, ...arr])
onCleanup(() => {
setRegistrations((arr) => arr.filter((x) => x !== results))
})
},
trigger(id: string, source?: "palette" | "keybind" | "slash") {
run(id, source)
},
keybind(id: string) {
const option = options().find((x) => x.id === id || x.id === "suggested." + id)
if (!option?.keybind) return ""
return formatKeybind(option.keybind)
},
show: showPalette,
keybinds(enabled: boolean) {
setSuspendCount((count) => count + (enabled ? -1 : 1))
},
suspended,
get options() {
return options()
},
}
},
})
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