feat(@schematics/angular): add type option to component generator (#15754)

the type option allows you to change the default .component.ts suffix to new types.
such as

Route
Dialog
UI
Container

Author: leon

packages/schematics/angular/component/files/__name@dasherize@if-flat__/__name@dasherize__.component.__style__.template renamed to packages/schematics/angular/component/files/__name@dasherize@if-flat__/__name@dasherize__.__type@dasherize__.__style__.template

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { <%= classify(name) %><%= classify(type) %> } from './<%= dasherize(name) %>.<%= dasherize(type) %>';
+
+describe('<%= classify(name) %><%= classify(type) %>', () => {
+  let component: <%= classify(name) %><%= classify(type) %>;
+  let fixture: ComponentFixture<<%= classify(name) %><%= classify(type) %>>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ <%= classify(name) %><%= classify(type) %> ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(<%= classify(name) %><%= classify(type) %>);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

packages/schematics/angular/component/files/__name@dasherize@if-flat__/__name@dasherize__.component.html.template renamed to packages/schematics/angular/component/files/__name@dasherize@if-flat__/__name@dasherize__.__type@dasherize__.html.template

@@ -7,13 +7,13 @@ import { Component, OnInit<% if(!!viewEncapsulation) { %>, ViewEncapsulation<% }
       <%= dasherize(name) %> works!
     </p>
   `,<% } else { %>
-  templateUrl: './<%= dasherize(name) %>.component.html',<% } if(inlineStyle) { %>
+  templateUrl: './<%= dasherize(name) %>.<%= dasherize(type) %>.html',<% } if(inlineStyle) { %>
   styles: []<% } else { %>
-  styleUrls: ['./<%= dasherize(name) %>.component.<%= style %>']<% } %><% if(!!viewEncapsulation) { %>,
+  styleUrls: ['./<%= dasherize(name) %>.<%= dasherize(type) %>.<%= style %>']<% } %><% if(!!viewEncapsulation) { %>,
   encapsulation: ViewEncapsulation.<%= viewEncapsulation %><% } if (changeDetection !== 'Default') { %>,
   changeDetection: ChangeDetectionStrategy.<%= changeDetection %><% } %>
 })
-export class <%= classify(name) %>Component implements OnInit {
+export class <%= classify(name) %><%= classify(type) %> implements OnInit {
 
   constructor() { }
 

packages/schematics/angular/component/files/__name@dasherize@if-flat__/__name@dasherize__.__type@dasherize__.spec.ts.template

@@ -49,15 +49,18 @@ function addDeclarationToNgModule(options: ComponentOptions): Rule {
       return host;
     }
 
+    options.type = !!options.type ? options.type : 'Component';
+
     const modulePath = options.module;
     const source = readIntoSourceFile(host, modulePath);
 
     const componentPath = `/${options.path}/`
                           + (options.flat ? '' : strings.dasherize(options.name) + '/')
                           + strings.dasherize(options.name)
-                          + '.component';
+                          + '.'
+                          + strings.dasherize(options.type);
     const relativePath = buildRelativePath(modulePath, componentPath);
-    const classifiedName = strings.classify(`${options.name}Component`);
+    const classifiedName = strings.classify(options.name) + strings.classify(options.type);
     const declarationChanges = addDeclarationToModule(source,
                                                       modulePath,
                                                       classifiedName,
@@ -77,7 +80,7 @@ function addDeclarationToNgModule(options: ComponentOptions): Rule {
 
       const exportRecorder = host.beginUpdate(modulePath);
       const exportChanges = addExportToModule(source, modulePath,
-                                              strings.classify(`${options.name}Component`),
+                                              strings.classify(options.name) + strings.classify(options.type),
                                               relativePath);
 
       for (const change of exportChanges) {
@@ -95,7 +98,7 @@ function addDeclarationToNgModule(options: ComponentOptions): Rule {
       const entryComponentRecorder = host.beginUpdate(modulePath);
       const entryComponentChanges = addEntryComponentToModule(
         source, modulePath,
-        strings.classify(`${options.name}Component`),
+        strings.classify(options.name) + strings.classify(options.type),
         relativePath);
 
       for (const change of entryComponentChanges) {

packages/schematics/angular/component/files/__name@dasherize@if-flat__/__name@dasherize__.component.ts.template renamed to packages/schematics/angular/component/files/__name@dasherize@if-flat__/__name@dasherize__.__type@dasherize__.ts.template

@@ -24,6 +24,7 @@ describe('Component Schematic', () => {
     inlineTemplate: false,
     changeDetection: ChangeDetection.Default,
     style: Style.Css,
+    type: 'Component',
     skipTests: false,
     module: undefined,
     export: false,
@@ -256,6 +257,17 @@ describe('Component Schematic', () => {
     expect(tree.files).not.toContain('/projects/bar/src/app/foo/foo.component.css');
   });
 
+  it('should respect the type option', async () => {
+    const options = { ...defaultOptions, type: 'Route' };
+    const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
+    const content = tree.readContent('/projects/bar/src/app/foo/foo.route.ts');
+    const testContent = tree.readContent('/projects/bar/src/app/foo/foo.route.spec.ts');
+    expect(content).toContain('export class FooRoute implements OnInit');
+    expect(testContent).toContain('describe(\'FooRoute\'');
+    expect(tree.files).toContain('/projects/bar/src/app/foo/foo.route.css');
+    expect(tree.files).toContain('/projects/bar/src/app/foo/foo.route.html');
+  });
+
   it('should use the module flag even if the module is a routing module', async () => {
     const routingFileName = 'app-routing.module.ts';
     const routingModulePath = `/projects/bar/src/app/${routingFileName}`;

packages/schematics/angular/component/files/__name@dasherize@if-flat__/__name@dasherize__.component.spec.ts.template

@@ -88,6 +88,11 @@
       ],
       "x-user-analytics": 5
     },
+    "type": {
+      "type": "string",
+      "description": "Adds a developer-defined type to the filename, in the format \"name.type.ts\".",
+      "default": "Component"
+    },
     "spec": {
       "type": "boolean",
       "description": "When true (the default), generates a  \"spec.ts\" test file for the new component.",