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keybind.ts
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79 lines (68 loc) · 1.71 KB
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import { isDeepEqual } from "remeda"
export namespace Keybind {
export type Info = {
ctrl: boolean
meta: boolean
shift: boolean
leader: boolean
name: string
}
export function match(a: Info, b: Info): boolean {
return isDeepEqual(a, b)
}
export function toString(info: Info): string {
const parts: string[] = []
if (info.ctrl) parts.push("ctrl")
if (info.meta) parts.push("alt")
if (info.shift) parts.push("shift")
if (info.name) {
if (info.name === "delete") parts.push("del")
else parts.push(info.name)
}
let result = parts.join("+")
if (info.leader) {
result = result ? `<leader> ${result}` : `<leader>`
}
return result
}
export function parse(key: string): Info[] {
if (key === "none") return []
return key.split(",").map((combo) => {
// Handle <leader> syntax by replacing with leader+
const normalized = combo.replace(/<leader>/g, "leader+")
const parts = normalized.toLowerCase().split("+")
const info: Info = {
ctrl: false,
meta: false,
shift: false,
leader: false,
name: "",
}
for (const part of parts) {
switch (part) {
case "ctrl":
info.ctrl = true
break
case "alt":
case "meta":
case "option":
info.meta = true
break
case "shift":
info.shift = true
break
case "leader":
info.leader = true
break
case "esc":
info.name = "escape"
break
default:
info.name = part
break
}
}
return info
})
}
}