Rename CLI package to @neuralnomads/codenomad and bin codenomad

packages/server/src/launcher.ts

@@ -0,0 +1,177 @@
+import { spawn } from "child_process"
+import os from "os"
+import path from "path"
+import type { Logger } from "./logger"
+
+interface BrowserCandidate {
+  name: string
+  command: string
+  args: (url: string) => string[]
+}
+
+const APP_ARGS = (url: string) => [`--app=${url}`, "--new-window"]
+
+export async function launchInBrowser(url: string, logger: Logger): Promise<boolean> {
+  const { platform, candidates, manualExamples } = buildPlatformCandidates(url)
+
+  console.log(`Attempting to launch browser (${platform}) using:`)
+  candidates.forEach((candidate) => console.log(`  - ${candidate.name}: ${candidate.command}`))
+
+  for (const candidate of candidates) {
+    const success = await tryLaunch(candidate, url, logger)
+    if (success) {
+      return true
+    }
+  }
+
+  console.error(
+    "No supported browser found to launch. Run without --launch and use one of the commands below or install a compatible browser.",
+  )
+  if (manualExamples.length > 0) {
+    console.error("Manual launch commands:")
+    manualExamples.forEach((line) => console.error(`  ${line}`))
+  }
+
+  return false
+}
+
+async function tryLaunch(candidate: BrowserCandidate, url: string, logger: Logger): Promise<boolean> {
+  return new Promise((resolve) => {
+    let resolved = false
+    try {
+      const args = candidate.args(url)
+      const child = spawn(candidate.command, args, { stdio: "ignore", detached: true })
+
+      child.once("error", (error) => {
+        if (resolved) return
+        resolved = true
+        logger.debug({ err: error, candidate: candidate.name, command: candidate.command, args }, "Browser launch failed")
+        resolve(false)
+      })
+
+      child.once("spawn", () => {
+        if (resolved) return
+        resolved = true
+        logger.info(
+          {
+            browser: candidate.name,
+            command: candidate.command,
+            args,
+            fullCommand: [candidate.command, ...args].join(" "),
+          },
+          "Launched browser in app mode",
+        )
+        child.unref()
+        resolve(true)
+      })
+    } catch (error) {
+      if (resolved) return
+      resolved = true
+      logger.debug({ err: error, candidate: candidate.name, command: candidate.command }, "Browser spawn threw")
+      resolve(false)
+    }
+  })
+}
+
+function buildPlatformCandidates(url: string) {
+  switch (os.platform()) {
+    case "darwin":
+      return {
+        platform: "macOS",
+        candidates: buildMacCandidates(),
+        manualExamples: buildMacManualExamples(url),
+      }
+    case "win32":
+      return {
+        platform: "Windows",
+        candidates: buildWindowsCandidates(),
+        manualExamples: buildWindowsManualExamples(url),
+      }
+    default:
+      return {
+        platform: "Linux",
+        candidates: buildLinuxCandidates(),
+        manualExamples: buildLinuxManualExamples(url),
+      }
+  }
+}
+
+function buildMacCandidates(): BrowserCandidate[] {
+  const apps = [
+    { name: "Google Chrome", path: "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome" },
+    { name: "Google Chrome Canary", path: "/Applications/Google Chrome Canary.app/Contents/MacOS/Google Chrome Canary" },
+    { name: "Microsoft Edge", path: "/Applications/Microsoft Edge.app/Contents/MacOS/Microsoft Edge" },
+    { name: "Brave Browser", path: "/Applications/Brave Browser.app/Contents/MacOS/Brave Browser" },
+    { name: "Chromium", path: "/Applications/Chromium.app/Contents/MacOS/Chromium" },
+    { name: "Vivaldi", path: "/Applications/Vivaldi.app/Contents/MacOS/Vivaldi" },
+    { name: "Arc", path: "/Applications/Arc.app/Contents/MacOS/Arc" },
+  ]
+
+  return apps.map((entry) => ({ name: entry.name, command: entry.path, args: APP_ARGS }))
+}
+
+function buildWindowsCandidates(): BrowserCandidate[] {
+  const programFiles = process.env["ProgramFiles"]
+  const programFilesX86 = process.env["ProgramFiles(x86)"]
+  const localAppData = process.env["LocalAppData"]
+
+  const paths = [
+    [programFiles, "Google/Chrome/Application/chrome.exe", "Google Chrome"],
+    [programFilesX86, "Google/Chrome/Application/chrome.exe", "Google Chrome (x86)"],
+    [localAppData, "Google/Chrome/Application/chrome.exe", "Google Chrome (User)"],
+    [programFiles, "Microsoft/Edge/Application/msedge.exe", "Microsoft Edge"],
+    [programFilesX86, "Microsoft/Edge/Application/msedge.exe", "Microsoft Edge (x86)"],
+    [localAppData, "Microsoft/Edge/Application/msedge.exe", "Microsoft Edge (User)"],
+    [programFiles, "BraveSoftware/Brave-Browser/Application/brave.exe", "Brave"],
+    [localAppData, "BraveSoftware/Brave-Browser/Application/brave.exe", "Brave (User)"],
+    [programFiles, "Chromium/Application/chromium.exe", "Chromium"],
+  ] as const
+
+  return paths
+    .filter(([root]) => Boolean(root))
+    .map(([root, rel, name]) => ({
+      name,
+      command: path.join(root as string, rel),
+      args: APP_ARGS,
+    }))
+}
+
+function buildLinuxCandidates(): BrowserCandidate[] {
+  const names = [
+    "google-chrome",
+    "google-chrome-stable",
+    "chromium",
+    "chromium-browser",
+    "brave-browser",
+    "microsoft-edge",
+    "microsoft-edge-stable",
+    "vivaldi",
+  ]
+
+  return names.map((name) => ({ name, command: name, args: APP_ARGS }))
+}
+
+function buildMacManualExamples(url: string) {
+  return [
+    `"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome" --app="${url}" --new-window`,
+    `"/Applications/Microsoft Edge.app/Contents/MacOS/Microsoft Edge" --app="${url}" --new-window`,
+    `"/Applications/Brave Browser.app/Contents/MacOS/Brave Browser" --app="${url}" --new-window`,
+  ]
+}
+
+function buildWindowsManualExamples(url: string) {
+  return [
+    `"%ProgramFiles%\\Google\\Chrome\\Application\\chrome.exe" --app="${url}" --new-window`,
+    `"%ProgramFiles%\\Microsoft\\Edge\\Application\\msedge.exe" --app="${url}" --new-window`,
+    `"%ProgramFiles%\\BraveSoftware\\Brave-Browser\\Application\\brave.exe" --app="${url}" --new-window`,
+  ]
+}
+
+function buildLinuxManualExamples(url: string) {
+  return [
+    `google-chrome --app="${url}" --new-window`,
+    `chromium --app="${url}" --new-window`,
+    `brave-browser --app="${url}" --new-window`,
+    `microsoft-edge --app="${url}" --new-window`,
+  ]
+}