nose-pluto/src/commands.ts
2025-10-07 11:15:17 -07:00

100 lines
2.8 KiB
TypeScript

////
// Manages the commands on disk, in NOSE_ROOT_BIN and NOSE_BIN
import { Glob } from "bun"
import { watch, readFileSync } from "fs"
import { join, basename } from "path"
import { isFile } from "./utils"
import { sendAll } from "./websocket"
import { expectDir } from "./utils"
import type { Command, Commands } from "./shared/types"
import { projectBin, projectName } from "./project"
import { DEFAULT_PROJECT, NOSE_DIR, NOSE_ROOT_BIN, NOSE_BIN } from "./config"
export function initCommands() {
startWatchers()
}
export async function commands(project = DEFAULT_PROJECT): Promise<Commands> {
let binCmds = await findCommands(NOSE_BIN)
let rootCmds = await findCommands(NOSE_ROOT_BIN)
let projCmds = project === DEFAULT_PROJECT ? new Map : await findCommands(projectBin())
return Object.fromEntries(
[
...Object.entries(binCmds),
...Object.entries(rootCmds),
...Object.entries(projCmds)
]
.sort((a, b) => a[0].localeCompare(b[0]))
)
}
export async function findCommands(path: string): Promise<Commands> {
const glob = new Glob("**/*.{ts,tsx}")
let obj: Commands = {}
for await (const file of glob.scan(path))
obj[file.replace(/\.tsx?$/, "")] = describeCommand(join(path, file))
return obj
}
function describeCommand(path: string): Command {
const code = readFileSync(path, "utf8")
let game = /^export const game = true$/mg.test(code)
let browser = /^\/\/\/ ?<reference lib=['"]dom['"]\s*\/mg>$/.test(code)
return {
name: basename(path).replace(/\.tsx?$/, ""),
type: game ? "game" : browser ? "browser" : "server"
}
}
export function commandPath(cmd: string): string | undefined {
let paths = [
join(NOSE_BIN, cmd + ".ts"),
join(NOSE_BIN, cmd + ".tsx"),
join(NOSE_ROOT_BIN, cmd + ".ts"),
join(NOSE_ROOT_BIN, cmd + ".tsx"),
]
if (projectName() !== DEFAULT_PROJECT)
paths = paths.concat(
join(projectBin(), cmd + ".ts"),
join(projectBin(), cmd + ".tsx"),
)
return paths.find((path: string) => isFile(path))
}
export function commandExists(cmd: string): boolean {
return commandPath(cmd) !== undefined
}
export async function commandSource(name: string): Promise<string> {
const path = commandPath(name)
if (!path) return ""
return Bun.file(path).text()
}
export async function loadCommandModule(cmd: string) {
const path = commandPath(cmd)
if (!path) return
return await import(path + "?t+" + Date.now())
}
let noseDirWatcher
let binCmdWatcher
function startWatchers() {
if (!expectDir(NOSE_BIN)) return
if (!expectDir(NOSE_ROOT_BIN)) return
binCmdWatcher = watch(NOSE_BIN, async (event, filename) => {
sendAll({ type: "commands", data: await commands() })
})
noseDirWatcher = watch(NOSE_DIR, async (event, filename) =>
sendAll({ type: "commands", data: await commands() })
)
}