fix(frontend): fix react component for apps

packages/react/collection.json

@@ -27,7 +27,8 @@
     "component": {
       "factory": "./src/schematics/component/component",
       "schema": "./src/schematics/component/schema.json",
-      "description": "Create a component"
+      "description": "Create a component",
+      "aliases": "c"
     }
   }
 }

packages/react/src/schematics/component/component.spec.ts

@@ -1,18 +1,18 @@
 import { Tree } from '@angular-devkit/schematics';
 import { createEmptyWorkspace } from '@nrwl/workspace/testing';
-import { runSchematic } from '../../utils/testing';
-import { names } from '@nrwl/workspace/src/utils/name-utils';
+import { runSchematic, createApp, createLib } from '../../utils/testing';
 import { readJsonInTree } from '@nrwl/workspace/src/utils/ast-utils';
 
 describe('component', () => {
   let appTree: Tree;
   let projectName: string;
 
-  beforeEach(() => {
+  beforeEach(async () => {
     projectName = 'my-lib';
     appTree = Tree.empty();
     appTree = createEmptyWorkspace(appTree);
-    appTree = createLib(appTree, projectName);
+    appTree = await createApp(appTree, 'my-app');
+    appTree = await createLib(appTree, projectName);
   });
 
   it('should generate files', async () => {
@@ -29,6 +29,20 @@ describe('component', () => {
     expect(tree.exists('libs/my-lib/src/lib/hello/hello.css')).toBeTruthy();
   });
 
+  it('should generate files for an app', async () => {
+    const tree = await runSchematic(
+      'component',
+      { name: 'hello', project: 'my-app' },
+      appTree
+    );
+
+    expect(tree.exists('apps/my-app/src/app/hello/hello.tsx')).toBeTruthy();
+    expect(
+      tree.exists('apps/my-app/src/app/hello/hello.spec.tsx')
+    ).toBeTruthy();
+    expect(tree.exists('apps/my-app/src/app/hello/hello.css')).toBeTruthy();
+  });
+
   describe('--export', () => {
     it('should add to index.ts barrel', async () => {
       const tree = await runSchematic(
@@ -41,6 +55,18 @@ describe('component', () => {
 
       expect(indexContent).toMatch(/lib\/hello\/hello/);
     });
+
+    it('should not export from an app', async () => {
+      const tree = await runSchematic(
+        'component',
+        { name: 'hello', project: 'my-app', export: true },
+        appTree
+      );
+
+      const indexContent = tree.read('libs/my-lib/src/index.ts').toString();
+
+      expect(indexContent).not.toMatch(/lib\/hello\/hello/);
+    });
   });
 
   describe('--pascalCaseFiles', () => {
@@ -123,27 +149,3 @@ describe('component', () => {
     });
   });
 });
-
-export function createLib(tree: Tree, libName: string): Tree {
-  const { fileName } = names(libName);
-
-  tree.create(`/libs/${fileName}/src/index.ts`, `\n`);
-
-  tree.overwrite(
-    '/angular.json',
-    `
-{
-  "projects": {
-    "${libName}": {
-      "root": "libs/${fileName}",
-      "sourceRoot": "libs/${fileName}/src",
-      "projectType": "library",
-      "schematics": {}
-    }
-  }
-}
-`
-  );
-
-  return tree;
-}

packages/react/src/schematics/component/component.ts

@@ -8,12 +8,13 @@ import {
   move,
   noop,
   Rule,
+  SchematicContext,
   template,
   Tree,
   url
 } from '@angular-devkit/schematics';
 import { Schema } from './schema';
-import { names } from '@nrwl/workspace';
+import { getWorkspace, names, formatFiles } from '@nrwl/workspace';
 import {
   addDepsToPackageJson,
   addGlobal,
@@ -21,7 +22,6 @@ import {
   insert
 } from '@nrwl/workspace/src/utils/ast-utils';
 import { CSS_IN_JS_DEPENDENCIES } from '../../utils/styled';
-import { formatFiles } from '@nrwl/workspace';
 
 interface NormalizedSchema extends Schema {
   projectSourceRoot: Path;
@@ -31,8 +31,8 @@ interface NormalizedSchema extends Schema {
 }
 
 export default function(schema: Schema): Rule {
-  return (host: Tree) => {
-    const options = normalizeOptions(host, schema);
+  return (host: Tree, context: SchematicContext) => {
+    const options = normalizeOptions(host, schema, context);
     return chain([
       createComponentFiles(options),
       addStyledModuleDependencies(options),
@@ -43,19 +43,29 @@ export default function(schema: Schema): Rule {
 }
 
 function createComponentFiles(options: NormalizedSchema): Rule {
-  return mergeWith(
-    apply(url(`./files`), [
-      template({
-        ...options,
-        tmpl: ''
-      }),
-      options.skipTests ? filter(file => !/.*spec.tsx/.test(file)) : noop(),
-      options.styledModule
-        ? filter(file => !file.endsWith(`.${options.style}`))
-        : noop(),
-      move(join(options.projectSourceRoot, 'lib'))
-    ])
-  );
+  return async (host: Tree, context: SchematicContext) => {
+    const workspace = await getWorkspace(host);
+    const directory = join(
+      options.projectSourceRoot,
+      workspace.projects.get(options.project).extensions.projectType ===
+        'application'
+        ? 'app'
+        : 'lib'
+    );
+    return mergeWith(
+      apply(url(`./files`), [
+        template({
+          ...options,
+          tmpl: ''
+        }),
+        options.skipTests ? filter(file => !/.*spec.tsx/.test(file)) : noop(),
+        options.styledModule
+          ? filter(file => !file.endsWith(`.${options.style}`))
+          : noop(),
+        move(directory)
+      ])
+    );
+  };
 }
 
 function addStyledModuleDependencies(options: NormalizedSchema): Rule {
@@ -70,48 +80,62 @@ function addStyledModuleDependencies(options: NormalizedSchema): Rule {
 }
 
 function addExportsToBarrel(options: NormalizedSchema): Rule {
-  return options.export
-    ? (host: Tree) => {
-        const indexFilePath = join(options.projectSourceRoot, 'index.ts');
-        const buffer = host.read(indexFilePath);
-
-        if (!!buffer) {
-          const indexSource = buffer!.toString('utf-8');
-          const indexSourceFile = ts.createSourceFile(
-            indexFilePath,
-            indexSource,
-            ts.ScriptTarget.Latest,
-            true
-          );
-
-          insert(
-            host,
-            indexFilePath,
-            addGlobal(
-              indexSourceFile,
+  return async (host: Tree) => {
+    const workspace = await getWorkspace(host);
+    const isApp =
+      workspace.projects.get(options.project).extensions.type === 'application';
+    return options.export && !isApp
+      ? (host: Tree) => {
+          const indexFilePath = join(options.projectSourceRoot, 'index.ts');
+          const buffer = host.read(indexFilePath);
+          if (!!buffer) {
+            const indexSource = buffer!.toString('utf-8');
+            const indexSourceFile = ts.createSourceFile(
               indexFilePath,
-              `export { default as ${options.className}, ${
-                options.className
-              }Props } from './lib/${options.name}/${options.fileName}';`
-            )
-          );
-        }
+              indexSource,
+              ts.ScriptTarget.Latest,
+              true
+            );
 
-        return host;
-      }
-    : noop();
+            insert(
+              host,
+              indexFilePath,
+              addGlobal(
+                indexSourceFile,
+                indexFilePath,
+                `export { default as ${options.className}, ${
+                  options.className
+                }Props } from './lib/${options.name}/${options.fileName}';`
+              )
+            );
+          }
+
+          return host;
+        }
+      : noop();
+  };
 }
 
-function normalizeOptions(host: Tree, options: Schema): NormalizedSchema {
+function normalizeOptions(
+  host: Tree,
+  options: Schema,
+  context: SchematicContext
+): NormalizedSchema {
   const { className, fileName } = names(options.name);
 
   const componentFileName = options.pascalCaseFiles ? className : fileName;
 
-  const { sourceRoot: projectSourceRoot } = getProjectConfig(
+  const { sourceRoot: projectSourceRoot, projectType } = getProjectConfig(
     host,
     options.project
   );
 
+  if (options.export && projectType === 'application') {
+    context.logger.warn(
+      `The "--export" option should not be used with applications and will do nothing.`
+    );
+  }
+
   const styledModule = /^(css|scss|less|styl)$/.test(options.style)
     ? null
     : options.style;

packages/react/src/utils/testing.ts

@@ -1,6 +1,8 @@
 import { join } from 'path';
 import { SchematicTestRunner } from '@angular-devkit/schematics/testing';
 import { Rule, Tree } from '@angular-devkit/schematics';
+import { names } from '@nrwl/workspace/src/utils/name-utils';
+import { updateWorkspace } from '@nrwl/workspace/src/utils/workspace';
 
 const testRunner = new SchematicTestRunner(
   '@nrwl/react',
@@ -14,3 +16,39 @@ export function runSchematic(schematicName: string, options: any, tree: Tree) {
 export function callRule(rule: Rule, tree: Tree) {
   return testRunner.callRule(rule, tree).toPromise();
 }
+
+export function createApp(tree: Tree, appName: string): Promise<Tree> {
+  const { fileName } = names(appName);
+
+  return callRule(
+    updateWorkspace(workspace => {
+      workspace.projects.add({
+        name: fileName,
+        root: `apps/${fileName}`,
+        projectType: 'application',
+        sourceRoot: `apps/${fileName}/src`,
+        targets: {}
+      });
+    }),
+    tree
+  );
+}
+
+export function createLib(tree: Tree, libName: string): Promise<Tree> {
+  const { fileName } = names(libName);
+
+  tree.create(`/libs/${fileName}/src/index.ts`, `\n`);
+
+  return callRule(
+    updateWorkspace(workspace => {
+      workspace.projects.add({
+        name: fileName,
+        root: `libs/${fileName}`,
+        projectType: 'library',
+        sourceRoot: `libs/${fileName}/src`,
+        targets: {}
+      });
+    }),
+    tree
+  );
+}