ci: build templates with packed deps (#8970)

Build templates using packed deps from the repo.

scripts/build-template-with-local-pkgs.ts

@@ -0,0 +1,81 @@
+import chalk from 'chalk'
+import { exec as execOrig, execSync } from 'child_process'
+import fs from 'fs/promises'
+import { fileURLToPath } from 'node:url'
+import path from 'path'
+
+const filename = fileURLToPath(import.meta.url)
+const dirname = path.dirname(filename)
+
+main().catch((error) => {
+  console.error(error)
+  process.exit(1)
+})
+
+async function main() {
+  const templateDir = path.resolve(dirname, '../templates')
+  const templateName = process.argv[2]
+  const templatePath = path.join(templateDir, templateName)
+  const databaseConnection = process.argv[3] || 'mongodb://127.0.0.1/payloadtests'
+
+  console.log({
+    templatePath,
+    databaseConnection,
+  })
+
+  const execOpts = {
+    cwd: templatePath,
+    stdio: 'inherit' as const,
+  }
+
+  const allFiles = await fs.readdir(templatePath, { withFileTypes: true })
+  const allTgzs = allFiles
+    .filter((file) => file.isFile())
+    .map((file) => file.name)
+    .filter((file) => file.endsWith('.tgz'))
+
+  console.log({
+    allTgzs,
+  })
+
+  execSync('pnpm add ./*.tgz --ignore-workspace', execOpts)
+  execSync('pnpm install --ignore-workspace', execOpts)
+
+  const packageJsonPath = path.join(templatePath, 'package.json')
+  const packageJson = await fs.readFile(packageJsonPath, 'utf-8')
+  const packageJsonObj = JSON.parse(packageJson) as {
+    dependencies: Record<string, string>
+    pnpm?: { overrides: Record<string, string> }
+  }
+
+  // Get key/value pairs for any package that starts with '@payloadcms'
+  const payloadValues =
+    packageJsonObj.dependencies &&
+    Object.entries(packageJsonObj.dependencies).filter(
+      ([key, value]) => key.startsWith('@payloadcms') || key === 'payload',
+    )
+
+  // Add each package to the overrides
+  const overrides = packageJsonObj.pnpm?.overrides || {}
+  payloadValues.forEach(([key, value]) => {
+    overrides[key] = value
+  })
+
+  // Write package.json back to disk
+  packageJsonObj.pnpm = { overrides }
+  await fs.writeFile(packageJsonPath, JSON.stringify(packageJsonObj, null, 2))
+
+  execSync('pnpm install --ignore-workspace --no-frozen-lockfile', execOpts)
+  await fs.writeFile(
+    path.resolve(templatePath, '.env'),
+    // Populate POSTGRES_URL just in case it's needed
+    `PAYLOAD_SECRET=secret\nDATABASE_URI=${databaseConnection}\nPOSTGRES_URL=${databaseConnection}`,
+  )
+  execSync('pnpm run build', execOpts)
+
+  header(`\n🎉 Done!`)
+}
+
+function header(message: string, opts?: { enable?: boolean }) {
+  console.log(chalk.bold.green(`${message}\n`))
+}