feat(react-native): use helper to determine project name and root in project generators

docs/generated/packages/react-native/generators/application.json

@@ -1,6 +1,6 @@
 {
   "name": "application",
-  "factory": "./src/generators/application/application#reactNativeApplicationGenerator",
+  "factory": "./src/generators/application/application#reactNativeApplicationGeneratorInternal",
   "schema": {
     "cli": "nx",
     "$id": "NxReactNativeApplication",
@@ -23,7 +23,8 @@
         "description": "The name of the application.",
         "type": "string",
         "$default": { "$source": "argv", "index": 0 },
-        "x-prompt": "What name would you like to use for the application?"
+        "x-prompt": "What name would you like to use for the application?",
+        "pattern": "^[a-zA-Z][^:]*$"
       },
       "displayName": {
         "description": "The display name to show in the application. Defaults to name.",
@@ -33,6 +34,11 @@
         "description": "The directory of the new application.",
         "type": "string"
       },
+      "projectNameAndRootFormat": {
+        "description": "Whether to generate the project name and root directory as provided (`as-provided`) or generate them composing their values and taking the configured layout into account (`derived`).",
+        "type": "string",
+        "enum": ["as-provided", "derived"]
+      },
       "skipFormat": {
         "description": "Skip formatting files",
         "type": "boolean",
@@ -91,7 +97,7 @@
   "aliases": ["app"],
   "x-type": "application",
   "description": "Create a React Native application.",
-  "implementation": "/packages/react-native/src/generators/application/application#reactNativeApplicationGenerator.ts",
+  "implementation": "/packages/react-native/src/generators/application/application#reactNativeApplicationGeneratorInternal.ts",
   "hidden": false,
   "path": "/packages/react-native/src/generators/application/schema.json",
   "type": "generator"

docs/generated/packages/react-native/generators/library.json

@@ -1,6 +1,6 @@
 {
   "name": "library",
-  "factory": "./src/generators/library/library#reactNativeLibraryGenerator",
+  "factory": "./src/generators/library/library#reactNativeLibraryGeneratorInternal",
   "schema": {
     "cli": "nx",
     "$id": "NxReactNativeLibrary",
@@ -20,14 +20,19 @@
         "description": "Library name.",
         "$default": { "$source": "argv", "index": 0 },
         "x-prompt": "What name would you like to use for the library?",
-        "pattern": "^[a-zA-Z].*$"
+        "pattern": "(?:^@[a-zA-Z0-9-*~][a-zA-Z0-9-*._~]*\\/[a-zA-Z0-9-~][a-zA-Z0-9-._~]*|^[a-zA-Z][^:]*)$"
       },
       "directory": {
         "type": "string",
         "description": "A directory where the lib is placed.",
         "alias": "dir",
         "x-priority": "important"
       },
+      "projectNameAndRootFormat": {
+        "description": "Whether to generate the project name and root directory as provided (`as-provided`) or generate them composing their values and taking the configured layout into account (`derived`).",
+        "type": "string",
+        "enum": ["as-provided", "derived"]
+      },
       "linter": {
         "description": "The tool to use for running lint checks.",
         "type": "string",
@@ -104,7 +109,7 @@
   "aliases": ["lib"],
   "x-type": "library",
   "description": "Create a React Native library.",
-  "implementation": "/packages/react-native/src/generators/library/library#reactNativeLibraryGenerator.ts",
+  "implementation": "/packages/react-native/src/generators/library/library#reactNativeLibraryGeneratorInternal.ts",
   "hidden": false,
   "path": "/packages/react-native/src/generators/library/schema.json",
   "type": "generator"

e2e/react-native/src/react-native.test.ts

@@ -222,4 +222,42 @@ describe('react native', () => {
       );
     }).not.toThrow();
   });
+
+  it('should support generating projects with the new name and root format', () => {
+    const appName = uniq('app1');
+    const libName = uniq('@my-org/lib1');
+
+    runCLI(
+      `generate @nx/react-native:application ${appName} --project-name-and-root-format=as-provided --no-interactive`
+    );
+
+    // check files are generated without the layout directory ("apps/") and
+    // using the project name as the directory when no directory is provided
+    checkFilesExist(`${appName}/src/app/App.tsx`);
+    // check tests pass
+    const appTestResult = runCLI(`test ${appName}`);
+    expect(appTestResult).toContain(
+      `Successfully ran target test for project ${appName}`
+    );
+
+    // assert scoped project names are not supported when --project-name-and-root-format=derived
+    expect(() =>
+      runCLI(
+        `generate @nx/react-native:library ${libName} --buildable --project-name-and-root-format=derived`
+      )
+    ).toThrow();
+
+    runCLI(
+      `generate @nx/react-native:library ${libName} --buildable --project-name-and-root-format=as-provided`
+    );
+
+    // check files are generated without the layout directory ("libs/") and
+    // using the project name as the directory when no directory is provided
+    checkFilesExist(`${libName}/src/index.ts`);
+    // check tests pass
+    const libTestResult = runCLI(`test ${libName}`);
+    expect(libTestResult).toContain(
+      `Successfully ran target test for project ${libName}`
+    );
+  });
 });

packages/react-native/generators.json

@@ -62,14 +62,14 @@
       "hidden": true
     },
     "application": {
-      "factory": "./src/generators/application/application#reactNativeApplicationGenerator",
+      "factory": "./src/generators/application/application#reactNativeApplicationGeneratorInternal",
       "schema": "./src/generators/application/schema.json",
       "aliases": ["app"],
       "x-type": "application",
       "description": "Create a React Native application."
     },
     "library": {
-      "factory": "./src/generators/library/library#reactNativeLibraryGenerator",
+      "factory": "./src/generators/library/library#reactNativeLibraryGeneratorInternal",
       "schema": "./src/generators/library/schema.json",
       "aliases": ["lib"],
       "x-type": "library",

packages/react-native/src/generators/application/application.ts

@@ -23,7 +23,17 @@ export async function reactNativeApplicationGenerator(
   host: Tree,
   schema: Schema
 ): Promise<GeneratorCallback> {
-  const options = normalizeOptions(host, schema);
+  return await reactNativeApplicationGeneratorInternal(host, {
+    projectNameAndRootFormat: 'derived',
+    ...schema,
+  });
+}
+
+export async function reactNativeApplicationGeneratorInternal(
+  host: Tree,
+  schema: Schema
+): Promise<GeneratorCallback> {
+  const options = await normalizeOptions(host, schema);
 
   createApplicationFiles(host, options);
   addProject(host, options);

packages/react-native/src/generators/application/lib/add-detox.ts

@@ -11,8 +11,9 @@ export async function addDetox(host: Tree, options: NormalizedSchema) {
   return detoxApplicationGenerator(host, {
     ...options,
     linter: Linter.EsLint,
-    e2eName: `${options.name}-e2e`,
-    e2eDirectory: options.directory,
+    e2eName: `${options.projectName}-e2e`,
+    e2eDirectory: `${options.appProjectRoot}-e2e`,
+    projectNameAndRootFormat: 'as-provided',
     appProject: options.projectName,
     appDisplayName: options.displayName,
     appName: options.name,

packages/react-native/src/generators/application/lib/add-project.ts

@@ -34,7 +34,7 @@ function getTargets(options: NormalizedSchema) {
   architect.serve = {
     executor: 'nx:run-commands',
     options: {
-      command: `nx start ${options.name}`,
+      command: `nx start ${options.projectName}`,
     },
   };
 

packages/react-native/src/generators/application/lib/nomalize-options.spec.ts

@@ -11,14 +11,14 @@ describe('Normalize Options', () => {
     appTree = createTreeWithEmptyWorkspace({ layout: 'apps-libs' });
   });
 
-  it('should normalize options with name in kebab case', () => {
+  it('should normalize options with name in kebab case', async () => {
     const schema: Schema = {
       name: 'my-app',
       linter: Linter.EsLint,
       e2eTestRunner: 'none',
       install: false,
     };
-    const options = normalizeOptions(appTree, schema);
+    const options = await normalizeOptions(appTree, schema);
     expect(options).toEqual({
       androidProjectRoot: 'apps/my-app/android',
       appProjectRoot: 'apps/my-app',
@@ -29,6 +29,7 @@ describe('Normalize Options', () => {
       name: 'my-app',
       parsedTags: [],
       projectName: 'my-app',
+      projectNameAndRootFormat: 'derived',
       linter: Linter.EsLint,
       entryFile: 'src/main.tsx',
       e2eTestRunner: 'none',
@@ -37,13 +38,13 @@ describe('Normalize Options', () => {
     });
   });
 
-  it('should normalize options with name in camel case', () => {
+  it('should normalize options with name in camel case', async () => {
     const schema: Schema = {
       name: 'myApp',
       e2eTestRunner: 'none',
       install: false,
     };
-    const options = normalizeOptions(appTree, schema);
+    const options = await normalizeOptions(appTree, schema);
     expect(options).toEqual({
       androidProjectRoot: 'apps/my-app/android',
       appProjectRoot: 'apps/my-app',
@@ -54,21 +55,22 @@ describe('Normalize Options', () => {
       name: 'my-app',
       parsedTags: [],
       projectName: 'my-app',
+      projectNameAndRootFormat: 'derived',
       entryFile: 'src/main.tsx',
       e2eTestRunner: 'none',
       unitTestRunner: 'jest',
       install: false,
     });
   });
 
-  it('should normalize options with directory', () => {
+  it('should normalize options with directory', async () => {
     const schema: Schema = {
       name: 'my-app',
       directory: 'directory',
       e2eTestRunner: 'none',
       install: false,
     };
-    const options = normalizeOptions(appTree, schema);
+    const options = await normalizeOptions(appTree, schema);
     expect(options).toEqual({
       androidProjectRoot: 'apps/directory/my-app/android',
       appProjectRoot: 'apps/directory/my-app',
@@ -80,20 +82,21 @@ describe('Normalize Options', () => {
       directory: 'directory',
       parsedTags: [],
       projectName: 'directory-my-app',
+      projectNameAndRootFormat: 'derived',
       entryFile: 'src/main.tsx',
       e2eTestRunner: 'none',
       unitTestRunner: 'jest',
       install: false,
     });
   });
 
-  it('should normalize options that has directory in its name', () => {
+  it('should normalize options that has directory in its name', async () => {
     const schema: Schema = {
       name: 'directory/my-app',
       e2eTestRunner: 'none',
       install: false,
     };
-    const options = normalizeOptions(appTree, schema);
+    const options = await normalizeOptions(appTree, schema);
     expect(options).toEqual({
       androidProjectRoot: 'apps/directory/my-app/android',
       appProjectRoot: 'apps/directory/my-app',
@@ -104,21 +107,22 @@ describe('Normalize Options', () => {
       name: 'directory/my-app',
       parsedTags: [],
       projectName: 'directory-my-app',
+      projectNameAndRootFormat: 'derived',
       entryFile: 'src/main.tsx',
       e2eTestRunner: 'none',
       unitTestRunner: 'jest',
       install: false,
     });
   });
 
-  it('should normalize options with display name', () => {
+  it('should normalize options with display name', async () => {
     const schema: Schema = {
       name: 'my-app',
       displayName: 'My App',
       e2eTestRunner: 'none',
       install: false,
     };
-    const options = normalizeOptions(appTree, schema);
+    const options = await normalizeOptions(appTree, schema);
     expect(options).toEqual({
       androidProjectRoot: 'apps/my-app/android',
       appProjectRoot: 'apps/my-app',
@@ -129,6 +133,7 @@ describe('Normalize Options', () => {
       name: 'my-app',
       parsedTags: [],
       projectName: 'my-app',
+      projectNameAndRootFormat: 'derived',
       entryFile: 'src/main.tsx',
       e2eTestRunner: 'none',
       unitTestRunner: 'jest',

packages/react-native/src/generators/application/lib/normalize-options.ts

@@ -1,4 +1,5 @@
-import { getWorkspaceLayout, joinPathFragments, names, Tree } from '@nx/devkit';
+import { joinPathFragments, names, Tree } from '@nx/devkit';
+import { determineProjectNameAndRootOptions } from '@nx/devkit/src/generators/project-name-and-root-utils';
 import { Schema } from '../schema';
 
 export interface NormalizedSchema extends Schema {
@@ -12,23 +13,25 @@ export interface NormalizedSchema extends Schema {
   entryFile: string;
 }
 
-export function normalizeOptions(
+export async function normalizeOptions(
   host: Tree,
   options: Schema
-): NormalizedSchema {
-  const { fileName, className } = names(options.name);
-  const { appsDir } = getWorkspaceLayout(host);
-
-  const directoryName = options.directory
-    ? names(options.directory).fileName
-    : '';
-  const projectDirectory = directoryName
-    ? `${directoryName}/${fileName}`
-    : fileName;
-
-  const appProjectName = projectDirectory.replace(/\//g, '-');
-
-  const appProjectRoot = joinPathFragments(appsDir, projectDirectory);
+): Promise<NormalizedSchema> {
+  const {
+    projectName: appProjectName,
+    names: projectNames,
+    projectRoot: appProjectRoot,
+    projectNameAndRootFormat,
+  } = await determineProjectNameAndRootOptions(host, {
+    name: options.name,
+    projectType: 'application',
+    directory: options.directory,
+    projectNameAndRootFormat: options.projectNameAndRootFormat,
+    callingGenerator: '@nx/react-native:application',
+  });
+  options.projectNameAndRootFormat = projectNameAndRootFormat;
+
+  const { className } = names(options.name);
   const iosProjectRoot = joinPathFragments(appProjectRoot, 'ios');
   const androidProjectRoot = joinPathFragments(appProjectRoot, 'android');
 
@@ -38,17 +41,11 @@ export function normalizeOptions(
 
   const entryFile = options.js ? 'src/main.js' : 'src/main.tsx';
 
-  /**
-   * if options.name is "my-app"
-   * name: "my-app", className: 'MyApp', lowerCaseName: 'myapp', displayName: 'MyApp', projectName: 'my-app', appProjectRoot: 'apps/my-app', androidProjectRoot: 'apps/my-app/android', iosProjectRoot: 'apps/my-app/ios'
-   * if options.name is "myApp"
-   * name: "my-app", className: 'MyApp', lowerCaseName: 'myapp', displayName: 'MyApp', projectName: 'my-app', appProjectRoot: 'apps/my-app', androidProjectRoot: 'apps/my-app/android', iosProjectRoot: 'apps/my-app/ios'
-   */
   return {
     ...options,
     unitTestRunner: options.unitTestRunner || 'jest',
     e2eTestRunner: options.e2eTestRunner || 'detox',
-    name: fileName,
+    name: projectNames.projectSimpleName,
     className,
     lowerCaseName: className.toLowerCase(),
     displayName: options.displayName || className,

packages/react-native/src/generators/application/schema.d.ts

@@ -1,11 +1,13 @@
-import { Linter } from '@nx/linter';
+import type { ProjectNameAndRootFormat } from '@nx/devkit/src/generators/project-name-and-root-utils';
+import type { Linter } from '@nx/linter';
 
 export interface Schema {
   name: string;
   displayName?: string;
   style?: string;
   skipFormat?: boolean;
   directory?: string;
+  projectNameAndRootFormat?: ProjectNameAndRootFormat;
   tags?: string;
   unitTestRunner?: 'jest' | 'none';
   pascalCaseFiles?: boolean;