fix(angular): automatically skip remotes not in the current workspace #17473

docs/generated/packages/angular/executors/module-federation-dev-server.json

@@ -107,7 +107,7 @@
       "skipRemotes": {
         "type": "array",
         "items": { "type": "string" },
-        "description": "List of remote applications to not automatically serve, either statically or in development mode. This can be useful for multi-repository module federation setups where the host application uses a remote application from an external repository."
+        "description": "List of remote applications to not automatically serve, either statically or in development mode."
       },
       "pathToManifestFile": {
         "type": "string",

docs/generated/packages/angular/executors/module-federation-dev-ssr.json

@@ -72,7 +72,7 @@
       "skipRemotes": {
         "type": "array",
         "items": { "type": "string" },
-        "description": "List of remote applications to not automatically serve, either statically or in development mode. This can be useful for multi-repository module federation setups where the host application uses a remote application from an external repository."
+        "description": "List of remote applications to not automatically serve, either statically or in development mode."
       },
       "verbose": {
         "type": "boolean",

docs/generated/packages/react/executors/module-federation-dev-server.json

@@ -18,7 +18,7 @@
       "skipRemotes": {
         "type": "array",
         "items": { "type": "string" },
-        "description": "List of remote applications to not automatically serve, either statically or in development mode. This can be useful for multi-repository module federation setups where the host application uses a remote application from an external repository.",
+        "description": "List of remote applications to not automatically serve, either statically or in development mode.",
         "x-priority": "important"
       },
       "buildTarget": {

docs/generated/packages/react/executors/module-federation-ssr-dev-server.json

@@ -34,7 +34,7 @@
       "skipRemotes": {
         "type": "array",
         "items": { "type": "string" },
-        "description": "List of remote applications to not automatically serve, either statically or in development mode. This can be useful for multi-repository module federation setups where the host application uses a remote application from an external repository.",
+        "description": "List of remote applications to not automatically serve, either statically or in development mode.",
         "x-priority": "important"
       },
       "host": {

packages/angular/src/builders/module-federation-dev-server/module-federation-dev-server.impl.ts

@@ -1,5 +1,10 @@
 import type { Schema } from './schema';
-import { readCachedProjectGraph, workspaceRoot, Workspaces } from '@nx/devkit';
+import {
+  logger,
+  readCachedProjectGraph,
+  workspaceRoot,
+  Workspaces,
+} from '@nx/devkit';
 import { scheduleTarget } from 'nx/src/adapter/ngcli-adapter';
 import { executeWebpackDevServerBuilder } from '../webpack-dev-server/webpack-dev-server.impl';
 import { readProjectsConfigurationFromProjectGraph } from 'nx/src/project-graph/project-graph';
@@ -51,6 +56,12 @@ export function executeModuleFederationDevServerBuilder(
   const remotesToSkip = new Set(
     findMatchingProjects(options.skipRemotes, projectGraph.nodes) ?? []
   );
+
+  if (remotesToSkip.size > 0) {
+    logger.info(
+      `Remotes not served automatically: ${[...remotesToSkip].join(', ')}`
+    );
+  }
   const staticRemotes = getStaticRemotes(
     project,
     context,

packages/angular/src/builders/module-federation-dev-server/schema.json

@@ -117,7 +117,7 @@
       "items": {
         "type": "string"
       },
-      "description": "List of remote applications to not automatically serve, either statically or in development mode. This can be useful for multi-repository module federation setups where the host application uses a remote application from an external repository."
+      "description": "List of remote applications to not automatically serve, either statically or in development mode."
     },
     "pathToManifestFile": {
       "type": "string",

packages/angular/src/builders/module-federation-dev-ssr/schema.json

@@ -73,7 +73,7 @@
       "items": {
         "type": "string"
       },
-      "description": "List of remote applications to not automatically serve, either statically or in development mode. This can be useful for multi-repository module federation setups where the host application uses a remote application from an external repository."
+      "description": "List of remote applications to not automatically serve, either statically or in development mode."
     },
     "verbose": {
       "type": "boolean",

packages/angular/src/builders/utilities/module-federation.ts

@@ -1,7 +1,7 @@
 import { ProjectConfiguration } from 'nx/src/config/workspace-json-project-json';
 import { join } from 'path';
 import { existsSync, readFileSync } from 'fs';
-import { Remotes } from '@nx/devkit';
+import { logger, Remotes } from '@nx/devkit';
 
 export function getDynamicRemotes(
   project: ProjectConfiguration,
@@ -45,19 +45,26 @@ export function getDynamicRemotes(
     return [];
   }
 
-  const dynamicRemotes = Object.entries(parsedManifest)
+  const allDynamicRemotes = Object.entries(parsedManifest)
     .map(([remoteName]) => remoteName)
     .filter((r) => !remotesToSkip.has(r));
-  const invalidDynamicRemotes = dynamicRemotes.filter(
-    (remote) => !workspaceProjects[remote]
-  );
-  if (invalidDynamicRemotes.length) {
-    throw new Error(
-      invalidDynamicRemotes.length === 1
-        ? `Invalid dynamic remote configured in "${pathToManifestFile}": ${invalidDynamicRemotes[0]}.`
-        : `Invalid dynamic remotes configured in "${pathToManifestFile}": ${invalidDynamicRemotes.join(
-            ', '
-          )}.`
+
+  const remotesNotInWorkspace: string[] = [];
+
+  const dynamicRemotes = allDynamicRemotes.filter((remote) => {
+    if (!workspaceProjects[remote]) {
+      remotesNotInWorkspace.push(remote);
+
+      return false;
+    }
+    return true;
+  });
+
+  if (remotesNotInWorkspace.length > 0) {
+    logger.warn(
+      `Skipping serving ${remotesNotInWorkspace.join(
+        ', '
+      )} as they could not be found in the workspace. Ensure they are served correctly.`
     );
   }
 
@@ -89,22 +96,27 @@ export function getStaticRemotes(
     Array.isArray(mfeConfig.remotes) && mfeConfig.remotes.length > 0
       ? mfeConfig.remotes
       : [];
-  const staticRemotes = remotesConfig
+  const allStaticRemotes = remotesConfig
     .map((remoteDefinition) =>
       Array.isArray(remoteDefinition) ? remoteDefinition[0] : remoteDefinition
     )
     .filter((r) => !remotesToSkip.has(r));
+  const remotesNotInWorkspace: string[] = [];
 
-  const invalidStaticRemotes = staticRemotes.filter(
-    (remote) => !workspaceProjects[remote]
-  );
-  if (invalidStaticRemotes.length) {
-    throw new Error(
-      invalidStaticRemotes.length === 1
-        ? `Invalid static remote configured in "${mfConfigPath}": ${invalidStaticRemotes[0]}.`
-        : `Invalid static remotes configured in "${mfConfigPath}": ${invalidStaticRemotes.join(
-            ', '
-          )}.`
+  const staticRemotes = allStaticRemotes.filter((remote) => {
+    if (!workspaceProjects[remote]) {
+      remotesNotInWorkspace.push(remote);
+
+      return false;
+    }
+    return true;
+  });
+
+  if (remotesNotInWorkspace.length > 0) {
+    logger.warn(
+      `Skipping serving ${remotesNotInWorkspace.join(
+        ', '
+      )} as they could not be found in the workspace. Ensure they are served correctly.`
     );
   }
 

packages/nx/src/utils/find-matching-projects.spec.ts

@@ -2,8 +2,8 @@ import {
   findMatchingProjects,
   getMatchingStringsWithCache,
 } from './find-matching-projects';
-import minimatch = require('minimatch');
 import type { ProjectGraphProjectNode } from '../config/project-graph';
+import minimatch = require('minimatch');
 
 describe('findMatchingProjects', () => {
   let projectGraph: Record<string, ProjectGraphProjectNode> = {

packages/react/src/executors/module-federation-dev-server/module-federation-dev-server.impl.ts

@@ -39,12 +39,39 @@ export default async function* moduleFederationDevServer(
   }
 
   const remotesToSkip = new Set(
-    findMatchingProjects(options.skipRemotes ?? [], context.projectGraph.nodes)
+    findMatchingProjects(options.skipRemotes, context.projectGraph.nodes) ?? []
   );
+
+  if (remotesToSkip.size > 0) {
+    logger.info(
+      `Remotes not served automatically: ${[...remotesToSkip.values()].join(
+        ', '
+      )}`
+    );
+  }
+  const remotesNotInWorkspace: string[] = [];
+
   const knownRemotes = (moduleFederationConfig.remotes ?? []).filter((r) => {
     const validRemote = Array.isArray(r) ? r[0] : r;
-    return !remotesToSkip.has(validRemote);
+
+    if (remotesToSkip.has(validRemote)) {
+      return false;
+    } else if (!context.projectGraph.nodes[validRemote]) {
+      remotesNotInWorkspace.push(validRemote);
+      return false;
+    } else {
+      return true;
+    }
   });
+
+  if (remotesNotInWorkspace.length > 0) {
+    logger.warn(
+      `Skipping serving ${remotesNotInWorkspace.join(
+        ', '
+      )} as they could not be found in the workspace. Ensure they are served correctly.`
+    );
+  }
+
   const remotePorts = knownRemotes.map(
     (r) => context.projectGraph.nodes[r].data.targets['serve'].options.port
   );

packages/react/src/executors/module-federation-dev-server/schema.json

@@ -19,7 +19,7 @@
       "items": {
         "type": "string"
       },
-      "description": "List of remote applications to not automatically serve, either statically or in development mode. This can be useful for multi-repository module federation setups where the host application uses a remote application from an external repository.",
+      "description": "List of remote applications to not automatically serve, either statically or in development mode.",
       "x-priority": "important"
     },
     "buildTarget": {

packages/react/src/executors/module-federation-ssr-dev-server/module-federation-ssr-dev-server.impl.ts

@@ -46,9 +46,27 @@ export default async function* moduleFederationSsrDevServer(
   }
 
   const remotesToSkip = new Set(options.skipRemotes ?? []);
-  const knownRemotes = (moduleFederationConfig.remotes ?? []).filter(
-    (r) => !remotesToSkip.has(r)
-  );
+  const remotesNotInWorkspace: string[] = [];
+  const knownRemotes = (moduleFederationConfig.remotes ?? []).filter((r) => {
+    const validRemote = Array.isArray(r) ? r[0] : r;
+
+    if (remotesToSkip.has(validRemote)) {
+      return false;
+    } else if (!context.projectGraph.nodes[validRemote]) {
+      remotesNotInWorkspace.push(validRemote);
+      return false;
+    } else {
+      return true;
+    }
+  });
+
+  if (remotesNotInWorkspace.length > 0) {
+    logger.warn(
+      `Skipping serving ${remotesNotInWorkspace.join(
+        ', '
+      )} as they could not be found in the workspace. Ensure they are served correctly.`
+    );
+  }
 
   const devServeApps = !options.devRemotes
     ? []

packages/react/src/executors/module-federation-ssr-dev-server/schema.json

@@ -35,7 +35,7 @@
       "items": {
         "type": "string"
       },
-      "description": "List of remote applications to not automatically serve, either statically or in development mode. This can be useful for multi-repository module federation setups where the host application uses a remote application from an external repository.",
+      "description": "List of remote applications to not automatically serve, either statically or in development mode.",
       "x-priority": "important"
     },
     "host": {