chore: builds in child process for e2e

test/helpers/build.js

@@ -0,0 +1,7 @@
+import nextBuild from 'next/dist/build/index.js'
+
+const build = async () => {
+  await nextBuild.default(process.env.NEXTJS_DIR, false, false, false, true, true, false, 'default')
+}
+
+build()

test/helpers/initPayloadE2ENoConfig.ts

@@ -1,8 +1,10 @@
 import { createServer } from 'http'
 import nextImport from 'next'
-import nextBuild from 'next/dist/build/index.js'
+import { spawn } from 'node:child_process'
+import { dirname, resolve } from 'path'
 import { wait } from 'payload/utilities'
 import { parse } from 'url'
+import { fileURLToPath } from 'url'
 
 import type { GeneratedTypes } from './sdk/types.js'
 
@@ -11,6 +13,9 @@ import { getNextJSRootDir } from './getNextJSRootDir.js'
 import { PayloadTestSDK } from './sdk/index.js'
 import startMemoryDB from './startMemoryDB.js'
 
+const _filename = fileURLToPath(import.meta.url)
+const _dirname = dirname(_filename)
+
 type Args = {
   dirname: string
   prebuild?: boolean
@@ -38,9 +43,27 @@ export async function initPayloadE2ENoConfig<T extends GeneratedTypes<T>>({
   const dir = getNextJSRootDir(testSuiteName)
 
   if (prebuild) {
-    await nextBuild.default(dir, false, false, false, true, true, false, 'default')
+    await new Promise<void>((res, rej) => {
+      const buildArgs = ['--max-old-space-size=8192', resolve(_dirname, 'build.js')]
+
+      const childProcess = spawn('node', buildArgs, {
+        stdio: 'inherit',
+        env: {
+          PATH: process.env.PATH,
+          NODE_ENV: 'production',
+          NEXTJS_DIR: dir,
+        },
+      })
+
+      childProcess.on('close', (code) => {
+        if (code === 0) res()
+        rej()
+      })
+    })
   }
 
+  process.env.NODE_OPTIONS = '--max-old-space-size=8192'
+
   // @ts-expect-error
   const app = nextImport({
     dev: !prebuild,