feat(expo): use helper to determine project name and root in project generators (#18678)

docs/generated/packages/expo/generators/application.json

@@ -1,6 +1,6 @@
 {
   "name": "application",
-  "factory": "./src/generators/application/application#expoApplicationGenerator",
+  "factory": "./src/generators/application/application#expoApplicationGeneratorInternal",
   "schema": {
     "cli": "nx",
     "$id": "NxExpoApplication",
@@ -22,7 +22,8 @@
         "description": "The name of the application.",
         "type": "string",
         "$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 @@
         "type": "string",
         "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"]
+      },
       "skipFormat": {
         "description": "Skip formatting files",
         "type": "boolean",
@@ -90,7 +96,7 @@
   "aliases": ["app"],
   "x-type": "application",
   "description": "Create an application",
-  "implementation": "/packages/expo/src/generators/application/application#expoApplicationGenerator.ts",
+  "implementation": "/packages/expo/src/generators/application/application#expoApplicationGeneratorInternal.ts",
   "hidden": false,
   "path": "/packages/expo/src/generators/application/schema.json",
   "type": "generator"

docs/generated/packages/expo/generators/library.json

@@ -1,6 +1,6 @@
 {
   "name": "library",
-  "factory": "./src/generators/library/library#expoLibraryGenerator",
+  "factory": "./src/generators/library/library#expoLibraryGeneratorInternal",
   "schema": {
     "cli": "nx",
     "$id": "NxExpoLibrary",
@@ -19,13 +19,18 @@
         "description": "Library name",
         "$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.",
         "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",
@@ -101,7 +106,7 @@
   "aliases": ["lib"],
   "x-type": "library",
   "description": "Create a library",
-  "implementation": "/packages/expo/src/generators/library/library#expoLibraryGenerator.ts",
+  "implementation": "/packages/expo/src/generators/library/library#expoLibraryGeneratorInternal.ts",
   "hidden": false,
   "path": "/packages/expo/src/generators/library/schema.json",
   "type": "generator"

e2e/expo/src/expo.test.ts

@@ -155,4 +155,42 @@ describe('expo', () => {
       );
     }).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/expo: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/expo:library ${libName} --buildable --project-name-and-root-format=derived`
+      )
+    ).toThrow();
+
+    runCLI(
+      `generate @nx/expo: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/expo/generators.json

@@ -38,14 +38,14 @@
       "hidden": true
     },
     "application": {
-      "factory": "./src/generators/application/application#expoApplicationGenerator",
+      "factory": "./src/generators/application/application#expoApplicationGeneratorInternal",
       "schema": "./src/generators/application/schema.json",
       "aliases": ["app"],
       "x-type": "application",
       "description": "Create an application"
     },
     "library": {
-      "factory": "./src/generators/library/library#expoLibraryGenerator",
+      "factory": "./src/generators/library/library#expoLibraryGeneratorInternal",
       "schema": "./src/generators/library/schema.json",
       "aliases": ["lib"],
       "x-type": "library",

packages/expo/src/generators/application/application.ts

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

packages/expo/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: `${options.name}-e2e`,
+    e2eName: `${options.projectName}-e2e`,
-    e2eDirectory: options.directory,
+    e2eDirectory: `${options.appProjectRoot}-e2e`,
+    projectNameAndRootFormat: 'as-provided',
     appProject: options.projectName,
     appDisplayName: options.displayName,
     appName: options.name,

packages/expo/src/generators/application/lib/add-project.ts

@@ -38,7 +38,7 @@ function getTargets(options: NormalizedSchema) {
   architect.serve = {
     executor: 'nx:run-commands',
     options: {
-      command: `nx start ${options.name}`,
+      command: `nx start ${options.projectName}`,
     },
   };
 

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

@@ -11,7 +11,7 @@ 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,
@@ -20,7 +20,7 @@ describe('Normalize Options', () => {
       js: true,
       unitTestRunner: 'jest',
     };
-    const options = normalizeOptions(appTree, schema);
+    const options = await normalizeOptions(appTree, schema);
     expect(options).toEqual({
       appProjectRoot: 'apps/my-app',
       className: 'MyApp',
@@ -29,6 +29,7 @@ describe('Normalize Options', () => {
       name: 'my-app',
       parsedTags: [],
       projectName: 'my-app',
+      projectNameAndRootFormat: 'derived',
       linter: Linter.EsLint,
       e2eTestRunner: 'none',
       unitTestRunner: 'jest',
@@ -37,7 +38,7 @@ 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',
       linter: Linter.EsLint,
@@ -46,7 +47,7 @@ describe('Normalize Options', () => {
       js: true,
       unitTestRunner: 'jest',
     };
-    const options = normalizeOptions(appTree, schema);
+    const options = await normalizeOptions(appTree, schema);
     expect(options).toEqual({
       appProjectRoot: 'apps/my-app',
       className: 'MyApp',
@@ -55,6 +56,7 @@ describe('Normalize Options', () => {
       name: 'my-app',
       parsedTags: [],
       projectName: 'my-app',
+      projectNameAndRootFormat: 'derived',
       linter: Linter.EsLint,
       e2eTestRunner: 'none',
       skipFormat: false,
@@ -63,7 +65,7 @@ describe('Normalize Options', () => {
     });
   });
 
-  it('should normalize options with directory', () => {
+  it('should normalize options with directory', async () => {
     const schema: Schema = {
       name: 'my-app',
       directory: 'directory',
@@ -73,7 +75,7 @@ describe('Normalize Options', () => {
       js: true,
       unitTestRunner: 'jest',
     };
-    const options = normalizeOptions(appTree, schema);
+    const options = await normalizeOptions(appTree, schema);
     expect(options).toEqual({
       appProjectRoot: 'apps/directory/my-app',
       className: 'MyApp',
@@ -83,6 +85,7 @@ describe('Normalize Options', () => {
       directory: 'directory',
       parsedTags: [],
       projectName: 'directory-my-app',
+      projectNameAndRootFormat: 'derived',
       e2eTestRunner: 'none',
       unitTestRunner: 'jest',
       linter: Linter.EsLint,
@@ -91,7 +94,7 @@ describe('Normalize Options', () => {
     });
   });
 
-  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',
       linter: Linter.EsLint,
@@ -100,7 +103,7 @@ describe('Normalize Options', () => {
       js: true,
       unitTestRunner: 'jest',
     };
-    const options = normalizeOptions(appTree, schema);
+    const options = await normalizeOptions(appTree, schema);
     expect(options).toEqual({
       appProjectRoot: 'apps/directory/my-app',
       className: 'DirectoryMyApp',
@@ -109,6 +112,7 @@ describe('Normalize Options', () => {
       name: 'directory/my-app',
       parsedTags: [],
       projectName: 'directory-my-app',
+      projectNameAndRootFormat: 'derived',
       e2eTestRunner: 'none',
       unitTestRunner: 'jest',
       linter: Linter.EsLint,
@@ -117,7 +121,7 @@ describe('Normalize Options', () => {
     });
   });
 
-  it('should normalize options with display name', () => {
+  it('should normalize options with display name', async () => {
     const schema: Schema = {
       name: 'my-app',
       displayName: 'My App',
@@ -127,7 +131,7 @@ describe('Normalize Options', () => {
       js: true,
       unitTestRunner: 'jest',
     };
-    const options = normalizeOptions(appTree, schema);
+    const options = await normalizeOptions(appTree, schema);
     expect(options).toEqual({
       appProjectRoot: 'apps/my-app',
       className: 'MyApp',
@@ -136,6 +140,7 @@ describe('Normalize Options', () => {
       name: 'my-app',
       parsedTags: [],
       projectName: 'my-app',
+      projectNameAndRootFormat: 'derived',
       e2eTestRunner: 'none',
       unitTestRunner: 'jest',
       linter: Linter.EsLint,

packages/expo/src/generators/application/lib/normalize-options.ts

@@ -1,4 +1,5 @@
-import { getWorkspaceLayout, joinPathFragments, names, Tree } from '@nx/devkit';
+import { 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 {
@@ -9,39 +10,34 @@ export interface NormalizedSchema extends Schema {
   parsedTags: string[];
 }
 
-export function normalizeOptions(
+export async function normalizeOptions(
   host: Tree,
   options: Schema
-): NormalizedSchema {
+): Promise<NormalizedSchema> {
-  const { fileName, className } = names(options.name);
+  const {
-  const { appsDir } = getWorkspaceLayout(host);
+    projectName: appProjectName,
-
+    names: projectNames,
-  const directoryName = options.directory
+    projectRoot: appProjectRoot,
-    ? names(options.directory).fileName
+    projectNameAndRootFormat,
-    : '';
+  } = await determineProjectNameAndRootOptions(host, {
-  const projectDirectory = directoryName
+    name: options.name,
-    ? `${directoryName}/${fileName}`
+    projectType: 'application',
-    : fileName;
+    directory: options.directory,
-
+    projectNameAndRootFormat: options.projectNameAndRootFormat,
-  const appProjectName = projectDirectory.replace(new RegExp('/', 'g'), '-');
+    callingGenerator: '@nx/expo:application',
-
+  });
-  const appProjectRoot = joinPathFragments(appsDir, projectDirectory);
+  options.projectNameAndRootFormat = projectNameAndRootFormat;
 
+  const { className } = names(options.name);
   const parsedTags = options.tags
     ? options.tags.split(',').map((s) => s.trim())
     : [];
 
-  /**
-   * 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/expo/src/generators/application/schema.d.ts

@@ -1,4 +1,5 @@
-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;
@@ -6,6 +7,7 @@ export interface Schema {
   style?: string;
   skipFormat: boolean; // default is false
   directory?: string;
+  projectNameAndRootFormat?: ProjectNameAndRootFormat;
   tags?: string;
   unitTestRunner: 'jest' | 'none'; // default is jest
   pascalCaseFiles?: boolean;

packages/expo/src/generators/application/schema.json

@@ -22,7 +22,8 @@
         "$source": "argv",
         "index": 0
       },
-      "x-prompt": "What name would you like to use for the application?"
+      "x-prompt": "What name would you like to use for the application?",
+      "pattern": "^[a-zA-Z][^:]*$"
     },
     "displayName": {
       "description": "The display name to show in the application. Defaults to name.",
@@ -33,6 +34,11 @@
       "type": "string",
       "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"]
+    },
     "skipFormat": {
       "description": "Skip formatting files",
       "type": "boolean",

packages/expo/src/generators/library/lib/normalize-options.ts

@@ -1,5 +1,5 @@
-import { getWorkspaceLayout, joinPathFragments, names, Tree } from '@nx/devkit';
+import { Tree } from '@nx/devkit';
-import { getImportPath } from '@nx/js/src/utils/get-import-path';
+import { determineProjectNameAndRootOptions } from '@nx/devkit/src/generators/project-name-and-root-utils';
 import { Schema } from '../schema';
 
 export interface NormalizedSchema extends Schema {
@@ -7,41 +7,39 @@ export interface NormalizedSchema extends Schema {
   fileName: string;
   projectRoot: string;
   routePath: string;
-  projectDirectory: string;
   parsedTags: string[];
   appMain: string;
 }
 
-export function normalizeOptions(
+export async function normalizeOptions(
   host: Tree,
   options: Schema
-): NormalizedSchema {
+): Promise<NormalizedSchema> {
-  const name = names(options.name).fileName;
+  const {
-  const projectDirectory = options.directory
+    projectName,
-    ? `${names(options.directory).fileName}/${name}`
+    names: projectNames,
-    : name;
+    projectRoot,
-
+    importPath,
-  const projectName = projectDirectory.replace(new RegExp('/', 'g'), '-');
+  } = await determineProjectNameAndRootOptions(host, {
-  const fileName = projectName;
+    name: options.name,
-  const { libsDir } = getWorkspaceLayout(host);
+    projectType: 'library',
-  const projectRoot = joinPathFragments(libsDir, projectDirectory);
+    directory: options.directory,
+    importPath: options.importPath,
+    projectNameAndRootFormat: options.projectNameAndRootFormat,
+    callingGenerator: '@nx/expo:library',
+  });
 
   const parsedTags = options.tags
     ? options.tags.split(',').map((s) => s.trim())
     : [];
-
-  const importPath =
-    options.importPath || getImportPath(host, projectDirectory);
-
   const appMain = options.js ? 'src/index.js' : 'src/index.ts';
 
   const normalized: NormalizedSchema = {
     ...options,
-    fileName,
+    fileName: projectName,
-    routePath: `/${name}`,
+    routePath: `/${projectNames.projectSimpleName}`,
     name: projectName,
     projectRoot,
-    projectDirectory,
     parsedTags,
     importPath,
     appMain,

packages/expo/src/generators/library/library.ts

@@ -5,7 +5,6 @@ import {
   formatFiles,
   generateFiles,
   GeneratorCallback,
-  getWorkspaceLayout,
   joinPathFragments,
   names,
   offsetFromRoot,
@@ -32,7 +31,17 @@ export async function expoLibraryGenerator(
   host: Tree,
   schema: Schema
 ): Promise<GeneratorCallback> {
-  const options = normalizeOptions(host, schema);
+  return await expoLibraryGeneratorInternal(host, {
+    projectNameAndRootFormat: 'derived',
+    ...schema,
+  });
+}
+
+export async function expoLibraryGeneratorInternal(
+  host: Tree,
+  schema: Schema
+): Promise<GeneratorCallback> {
+  const options = await normalizeOptions(host, schema);
   if (options.publishable === true && !schema.importPath) {
     throw new Error(
       `For publishable libs you have to provide a proper "--importPath" which needs to be a valid npm package name (e.g. my-awesome-lib or @myorg/my-lib)`
@@ -105,7 +114,6 @@ async function addProject(host: Tree, options: NormalizedSchema) {
       nxVersion
     );
 
-    const { libsDir } = getWorkspaceLayout(host);
     const external = [
       'react/jsx-runtime',
       'react-native',
@@ -117,7 +125,7 @@ async function addProject(host: Tree, options: NormalizedSchema) {
       executor: '@nx/rollup:rollup',
       outputs: ['{options.outputPath}'],
       options: {
-        outputPath: `dist/${libsDir}/${options.projectDirectory}`,
+        outputPath: `dist/${options.projectRoot}`,
         tsConfig: `${options.projectRoot}/tsconfig.lib.json`,
         project: `${options.projectRoot}/package.json`,
         entryFile: maybeJs(options, `${options.projectRoot}/src/index.ts`),

packages/expo/src/generators/library/schema.d.ts

@@ -1,4 +1,5 @@
-import { Linter } from '@nx/linter';
+import type { ProjectNameAndRootFormat } from '@nx/devkit/src/generators/project-name-and-root-utils';
+import type { Linter } from '@nx/linter';
 
 /**
  * Same as the @nx/react library schema, except it removes keys: style, component, routing, appProject
@@ -6,6 +7,7 @@ import { Linter } from '@nx/linter';
 export interface Schema {
   name: string;
   directory?: string;
+  projectNameAndRootFormat?: ProjectNameAndRootFormat;
   skipTsConfig: boolean; // default is false
   skipFormat: boolean; // default is false
   tags?: string;

packages/expo/src/generators/library/schema.json

@@ -19,13 +19,18 @@
         "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.",
       "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",