~/nose

README.md

@@ -6,6 +6,12 @@
 - [x] Has a 960x540 (16:9) virtual screen size that scales to the actual size of the display
 - [x] Runs on a Raspberry Pi 5
 
+## Local Dev
+
+    bun install
+    mkdir -p ~/nose/{bin,www}
+    bun dev
+
 ## Fonts
 
 Use this to examine what's inside the C64 .woff2 font file in public/vendor:

src/commands.ts

@@ -1,18 +1,28 @@
 import { Glob } from "bun"
 import { watch } from "fs"
-import { NOSE_BIN } from "./config"
+import { NOSE_SYS_BIN, NOSE_USR_BIN } from "./config"
 import { sendAll } from "./websocket"
+import { expectDir } from "./utils"
 
-const cmdWatcher = watch(NOSE_BIN, async (event, filename) => {
+const sysCmdWatcher = watch(NOSE_SYS_BIN, async (event, filename) =>
+  sendAll({ type: "commands", data: await commands() })
+)
+
+expectDir(NOSE_USR_BIN)
+const usrCmdWatcher = watch(NOSE_USR_BIN, async (event, filename) => {
   sendAll({ type: "commands", data: await commands() })
 })
 
 export async function commands(): Promise<string[]> {
+  return (await findCommands(NOSE_SYS_BIN)).concat(await findCommands(NOSE_USR_BIN))
+}
+
+export async function findCommands(path: string): Promise<string[]> {
   const glob = new Glob("**/*.{ts,tsx}")
   let list: string[] = []
 
-  for await (const file of glob.scan(NOSE_BIN)) {
-    list.push(file.replace(".ts", ""))
+  for await (const file of glob.scan(path)) {
+    list.push(file.replace(".ts", "").replace(".tsx", ""))
   }
 
   return list

src/config.ts

@@ -1,6 +1,12 @@
 import { resolve, join } from "node:path"
 
 export const NOSE_ICON = ` ͡° ͜ʖ ͡°`
-export const NOSE_DIR = resolve("./nose")
-export const NOSE_BIN = resolve(join(NOSE_DIR, "bin"))
-export const NOSE_WWW = resolve(join(NOSE_DIR, "www"))
+
+export const NOSE_SYS = resolve("./nose")
+export const NOSE_SYS_BIN = join(NOSE_SYS, "bin")
+export const NOSE_SYS_WWW = join(NOSE_SYS, "www")
+
+const homedir = process.platform === "darwin" ? `/Users/${process.env.USER}` : `/home/${process.env.USER}`
+export const NOSE_USR = resolve(join(homedir, "nose"))
+export const NOSE_USR_BIN = join(NOSE_USR, "bin")
+export const NOSE_USR_WWW = join(NOSE_USR, "www")

src/server.tsx

@@ -4,7 +4,7 @@ import { prettyJSON } from "hono/pretty-json"
 import color from "kleur"
 
 import type { Message } from "./shared/types"
-import { NOSE_ICON, NOSE_DIR, NOSE_BIN, NOSE_WWW } from "./config"
+import { NOSE_ICON, NOSE_USR_BIN, NOSE_USR_WWW } from "./config"
 import { transpile, isFile, tilde } from "./utils"
 import { apps, serveApp, publishDNS } from "./webapp"
 import { runCommand } from "./shell"
@@ -149,9 +149,8 @@ if (process.env.BUN_HOT) {
 //
 
 console.log(color.cyan(NOSE_ICON))
-console.log(color.blue("NOSE_DIR:"), color.yellow(tilde(NOSE_DIR)))
-console.log(color.blue("NOSE_BIN:"), color.yellow(tilde(NOSE_BIN)))
-console.log(color.blue("NOSE_WWW:"), color.yellow(tilde(NOSE_WWW)))
+console.log(color.blue("NOSE_USR_BIN:"), color.yellow(tilde(NOSE_USR_BIN)))
+console.log(color.blue("NOSE_USR_WWW:"), color.yellow(tilde(NOSE_USR_WWW)))
 
 export default {
     port: process.env.PORT || 3000,

src/shell.ts

@@ -3,7 +3,7 @@
 
 import type { CommandResult } from "./shared/types"
 import { join } from "path"
-import { NOSE_BIN } from "./config"
+import { NOSE_SYS_BIN, NOSE_USR_BIN } from "./config"
 import { isFile } from "./utils"
 
 export async function runCommand(input: string): Promise<CommandResult> {
@@ -36,12 +36,15 @@ async function exec(cmd: string, args: string[]): Promise<["ok" | "error", strin
     return ["ok", await module.default(...args)]
 }
 
-function commandPath(cmd: string): string {
-    return join(NOSE_BIN, cmd + ".ts")
+function commandPath(cmd: string): string | undefined {
+    const sysPath = join(NOSE_SYS_BIN, cmd + ".ts")
+    const usrPath = join(NOSE_USR_BIN, cmd + ".ts")
+
+    return (isFile(sysPath) && sysPath) || (isFile(usrPath) && usrPath) || undefined
 }
 
 function commandExists(cmd: string): boolean {
-    return isFile(commandPath(cmd))
+    return commandPath(cmd) !== undefined
 }
 
 function errorMessage(error: Error | any): string {

src/utils.tsx

@@ -1,7 +1,19 @@
 import { Hono } from "hono"
-import { statSync } from "node:fs"
+import { statSync } from "fs"
+import { basename } from "path"
 import { stat } from "node:fs/promises"
 import { type Handler, toResponse } from "./webapp"
+import { NOSE_ICON } from "./config"
+
+// End the process with an instructive error if a directory doesn't exist.
+export function expectDir(path: string) {
+    if (!isDir(path)) {
+        console.error(NOSE_ICON)
+        console.error(`No ${basename(path)} directory detected. Please run:`)
+        console.error("\tmkdir -p", path)
+        process.exit(1)
+    }
+}
 
 // Is the given `path` a file?
 export function isFile(path: string): boolean {

src/webapp.ts

@@ -3,8 +3,8 @@ import type { Child } from "hono/jsx"
 import { renderToString } from "hono/jsx/dom/server"
 import { join } from "path"
 import { readdirSync, watch } from "fs"
-import { NOSE_WWW } from "./config"
-import { isFile } from "./utils"
+import { NOSE_USR_WWW, NOSE_SYS_WWW } from "./config"
+import { expectDir } from "./utils"
 
 export type Handler = (r: Context) => string | Child | Response | Promise<Response>
 export type App = Hono | Handler
@@ -23,34 +23,40 @@ export async function serveApp(c: Context, subdomain: string): Promise<Response>
 export function apps(): string[] {
     const apps: string[] = []
 
-    for (const entry of readdirSync(NOSE_WWW))
+    for (const entry of readdirSync(NOSE_SYS_WWW))
+        apps.push(entry.replace(/\.tsx?/, ""))
+
+    for (const entry of readdirSync(NOSE_USR_WWW))
         apps.push(entry.replace(/\.tsx?/, ""))
 
     return apps
 }
 
 async function findApp(name: string): Promise<App | undefined> {
-    let path = join(NOSE_WWW, `${name}.ts`)
-    let app = await loadApp(path)
-    if (app) return app
+    const paths = [
+        `${name}.ts`,
+        `${name}.tsx`,
+        join(name, "index.ts"),
+        join(name, "index.tsx")
+    ]
 
-    path = join(NOSE_WWW, `${name}.tsx`)
-    app = await loadApp(path)
-    if (app) return app
+    let app
 
-    path = join(NOSE_WWW, name, "index.ts")
-    app = await loadApp(path)
-    if (app) return app
+    for (const path in paths) {
+        app = loadApp(join(NOSE_SYS_WWW, path))
+        if (app) return app
+    }
 
-    path = join(NOSE_WWW, name, "index.tsx")
-    app = await loadApp(path)
-    if (app) return app
+    for (const path in paths) {
+        app = loadApp(join(NOSE_USR_WWW, path))
+        if (app) return app
+    }
 
     console.error("can't find app:", name)
 }
 
 async function loadApp(path: string): Promise<App | undefined> {
-    if (!isFile(path)) return
+    if (!await Bun.file(path).exists()) return
 
     const mod = await import(path + `?t=${Date.now()}`)
     if (mod?.default)
@@ -104,7 +110,20 @@ function publishAppDNS(app: string) {
     return dnsEntries[app]
 }
 
-const appWatcher = watch(NOSE_WWW, (event, filename) => {
+const sysAppWatcher = watch(NOSE_SYS_WWW, (event, filename) => {
+    const www = apps()
+    www.forEach(publishAppDNS)
+    for (const name in dnsEntries)
+        if (!www.includes(name)) {
+            dnsEntries[name].kill("SIGTERM")
+            delete dnsEntries[name]
+        }
+})
+
+// exit process with error if no WWW dir
+expectDir(NOSE_USR_WWW)
+
+const usrAppWatcher = watch(NOSE_USR_WWW, (event, filename) => {
     const www = apps()
     www.forEach(publishAppDNS)
     for (const name in dnsEntries)