fix: support deploy config API in monorepos (#5543)

packages/build/src/plugins_core/deploy_config/index.ts

@@ -17,11 +17,12 @@ const ALLOWED_PROPERTIES = [['images', 'remote_images']]
 const coreStep: CoreStepFunction = async function ({
   buildDir,
   netlifyConfig,
+  packagePath,
   systemLog = () => {
     // no-op
   },
 }) {
-  const configPath = resolve(buildDir, '.netlify/deploy/v1/config.json')
+  const configPath = resolve(buildDir, packagePath ?? '', '.netlify/deploy/v1/config.json')
 
   let config: Partial<NetlifyConfig> = {}
 

packages/build/tests/deploy_config/fixtures/monorepo/apps/app-1/build.mjs

@@ -0,0 +1,10 @@
+import { mkdir, writeFile } from 'node:fs/promises'
+
+const config = {
+  images: {
+    remote_images: ["domain1.netlify", "domain2.netlify"]
+  }
+}
+
+await mkdir('.netlify/deploy/v1', { recursive: true });
+await writeFile('.netlify/deploy/v1/config.json', JSON.stringify(config));

packages/build/tests/deploy_config/fixtures/monorepo/apps/app-1/netlify.toml

@@ -0,0 +1,3 @@
+[build]
+command = "pnpm --filter app-1 build"
+publish = "apps/app-1/dist"

packages/build/tests/deploy_config/fixtures/monorepo/apps/app-1/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "app-1",
+  "scripts": {
+    "build": "node build.mjs"
+  }
+}

packages/build/tests/deploy_config/fixtures/monorepo/apps/app-2/build.mjs

@@ -0,0 +1,10 @@
+import { mkdir, writeFile } from 'node:fs/promises'
+
+const config = {
+  images: {
+    remote_images: ["domain3.netlify", "domain4.netlify"]
+  }
+}
+
+await mkdir('.netlify/deploy/v1', { recursive: true });
+await writeFile('.netlify/deploy/v1/config.json', JSON.stringify(config));

packages/build/tests/deploy_config/fixtures/monorepo/apps/app-2/netlify.toml

@@ -0,0 +1,3 @@
+[build]
+command = "pnpm --filter app-2 build"
+publish = "apps/app-2/dist"

packages/build/tests/deploy_config/fixtures/monorepo/apps/app-2/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "app-2",
+  "scripts": {
+    "build": "node build.mjs"
+  }
+}

packages/build/tests/deploy_config/fixtures/monorepo/package.json

@@ -0,0 +1,4 @@
+{
+  "name": "monorepo",
+  "type": "module"
+}

packages/build/tests/deploy_config/fixtures/monorepo/pnpm-workspace.yaml

@@ -0,0 +1,2 @@
+packages:
+  - 'apps/*'

packages/build/tests/deploy_config/tests.js

@@ -43,6 +43,22 @@ test('Loads configuration data that has been generated by the build command', as
   }
 })
 
+test('In a monorepo setup, loads package-specific configuration data', async (t) => {
+  const fixture = await new Fixture('./fixtures/monorepo').withCopyRoot({ git: false })
+  const { success, netlifyConfig } = await fixture
+    .withFlags({
+      cwd: fixture.repositoryRoot,
+      featureFlags: { netlify_build_deploy_configuration_api: true },
+      packagePath: 'apps/app-1',
+    })
+    .runBuildProgrammatic()
+
+  t.true(success)
+  t.deepEqual(netlifyConfig.images, {
+    remote_images: ['domain1.netlify', 'domain2.netlify'],
+  })
+})
+
 test('Configuration data is exposed to build plugins in the `onBuild` event', async (t) => {
   const { netlifyConfig, success } = await new Fixture('./fixtures/with_build_plugin')
     .withFlags({