source snapshot 2026-09-02

mobile/scripts/mobile-expo-cli.mjs

@@ -0,0 +1,57 @@
+import { spawn } from 'node:child_process'
+import { existsSync } from 'node:fs'
+import path from 'node:path'
+import process from 'node:process'
+
+const expoBinNames =
+  process.platform === 'win32' ? ['expo.CMD', 'expo.cmd', 'expo.ps1', 'expo'] : ['expo']
+
+function expoBinPaths(mobileDir) {
+  return expoBinNames.map((binName) => path.join(mobileDir, 'node_modules', '.bin', binName))
+}
+
+export function getMobileExpoExecutablePath(mobileDir) {
+  return expoBinPaths(mobileDir).find((binPath) => existsSync(binPath)) ?? null
+}
+
+function runPnpmInstall(mobileDir) {
+  return new Promise((resolve, reject) => {
+    const install = spawn('pnpm', ['install', '--frozen-lockfile'], {
+      cwd: mobileDir,
+      env: process.env,
+      shell: process.platform === 'win32',
+      stdio: 'inherit'
+    })
+    install.on('error', reject)
+    install.on('exit', (code, signal) => {
+      if (signal) {
+        reject(new Error(`pnpm install --frozen-lockfile was terminated by ${signal}`))
+      } else if (code === 0) {
+        resolve()
+      } else {
+        reject(new Error(`pnpm install --frozen-lockfile exited with code ${code}`))
+      }
+    })
+  })
+}
+
+export async function ensureMobileExpoCli(mobileDir, logger = {}) {
+  if (getMobileExpoExecutablePath(mobileDir)) {
+    return
+  }
+
+  const message = 'Mobile dependencies are missing; running pnpm install --frozen-lockfile...'
+  if (logger.logStep) {
+    logger.logStep('deps', message)
+  } else {
+    console.log(`[start] ${message}`)
+  }
+
+  await runPnpmInstall(mobileDir)
+
+  if (!getMobileExpoExecutablePath(mobileDir)) {
+    throw new Error('pnpm install completed, but node_modules/.bin/expo is still missing.')
+  }
+
+  logger.logSuccess?.('Mobile dependencies installed')
+}