feat(@schematics/angular): Add --minimal flag to generate a barebones (#12498)

project

Author: rsarky

packages/schematics/angular/application/index.ts

@@ -240,6 +240,14 @@ function addAppToWorkspaceFile(options: ApplicationOptions, workspace: Workspace
   return addProjectToWorkspace(workspace, options.name, project);
 }
 
+function minimalPathFilter(path: string): boolean {
+  const toRemoveList: RegExp[] = [/e2e\//, /editorconfig/, /README/, /karma.conf.js/,
+                                  /protractor.conf.js/, /test.ts/, /tsconfig.spec.json/,
+                                  /tslint.json/, /favicon.ico/];
+
+  return !toRemoveList.some(re => re.test(path));
+}
+
 export default function (options: ApplicationOptions): Rule {
   return (host: Tree, context: SchematicContext) => {
     if (!options.name) {
@@ -248,12 +256,19 @@ export default function (options: ApplicationOptions): Rule {
     validateProjectName(options.name);
     const prefix = options.prefix || 'app';
     const appRootSelector = `${prefix}-root`;
-    const componentOptions = {
+    const componentOptions = !options.minimal ?
+    {
       inlineStyle: options.inlineStyle,
       inlineTemplate: options.inlineTemplate,
       spec: !options.skipTests,
       styleext: options.style,
       viewEncapsulation: options.viewEncapsulation,
+    } :
+    {
+      inlineStyle: true,
+      InlineTemplate: true,
+      spec: false,
+      styleext: options.style,
     };
 
     const workspace = getWorkspace(host);
@@ -287,6 +302,7 @@ export default function (options: ApplicationOptions): Rule {
       options.skipPackageJson ? noop() : addDependenciesToPackageJson(),
       mergeWith(
         apply(url('./files/src'), [
+          options.minimal ? filter(minimalPathFilter) : noop(),
           template({
             utils: strings,
             ...options,
@@ -297,6 +313,7 @@ export default function (options: ApplicationOptions): Rule {
         ])),
       mergeWith(
         apply(url('./files/root'), [
+          options.minimal ? filter(minimalPathFilter) : noop(),
           template({
             utils: strings,
             ...options,
@@ -308,6 +325,7 @@ export default function (options: ApplicationOptions): Rule {
         ])),
       mergeWith(
         apply(url('./files/lint'), [
+          options.minimal ? filter(minimalPathFilter) : noop(),
           template({
             utils: strings,
             ...options,

packages/schematics/angular/application/schema.json

@@ -66,6 +66,11 @@
       "type": "boolean",
       "default": false,
       "description": "Do not add dependencies to package.json."
+    },
+    "minimal": {
+      "description": "Create a barebones project without any testing frameworks",
+      "type": "boolean",
+      "default": false
     }
   },
   "required": [

packages/schematics/angular/ng-new/index.ts

@@ -42,6 +42,7 @@ export default function (options: NgNewOptions): Rule {
     version: options.version,
     experimentalAngularNext: options.experimentalIvy,
     newProjectRoot: options.newProjectRoot || 'projects',
+    minimal: options.minimal,
   };
   const applicationOptions: ApplicationOptions = {
     projectRoot: '',

packages/schematics/angular/ng-new/schema.json

@@ -136,6 +136,11 @@
       "description": "Flag to toggle creation of an application in the new workspace.",
       "type": "boolean",
       "default": true
+    },
+    "minimal": {
+      "description": "Create a barebones project without any testing frameworks",
+      "type": "boolean",
+      "default": false
     }
   },
   "required": [

packages/schematics/angular/workspace/files/package.json

@@ -28,9 +28,9 @@
     "@angular/cli": "<%= experimentalAngularNext ? 'next' : '~' + version %>",
     "@angular/compiler-cli": "<%= experimentalAngularNext ? 'next' : latestVersions.Angular %>",
     "@angular/language-service": "<%= experimentalAngularNext ? 'next' : latestVersions.Angular %>",
-    "@types/jasmine": "~2.8.8",
-    "@types/jasminewd2": "~2.0.3",
     "@types/node": "~8.9.4",
+    <% if (!minimal) { %>"@types/jasmine": "~2.8.8",
+    "@types/jasminewd2": "~2.0.3",
     "codelyzer": "~4.3.0",
     "jasmine-core": "~2.99.1",
     "jasmine-spec-reporter": "~4.2.1",
@@ -39,7 +39,7 @@
     "karma-coverage-istanbul-reporter": "~2.0.1",
     "karma-jasmine": "~1.1.2",
     "karma-jasmine-html-reporter": "^0.2.2",
-    "protractor": "~5.4.0",
+    "protractor": "~5.4.0",<% } %>
     "ts-node": "~7.0.0",
     "tslint": "~5.11.0",
     "typescript": "<%= latestVersions.TypeScript %>"

packages/schematics/angular/workspace/schema.json

@@ -73,6 +73,11 @@
       "$default": {
         "$source": "ng-cli-version"
       }
+    },
+    "minimal": {
+      "description": "Create a barebones project without any testing frameworks",
+      "type": "boolean",
+      "default": false
     }
   },
   "required": [

tests/legacy-cli/e2e_runner.ts

@@ -114,7 +114,6 @@ const allTests = glob.sync(path.join(e2eRoot, testGlob), { nodir: true, ignore:
   // Replace windows slashes.
   .map(name => name.replace(/\\/g, '/'))
   .filter(name => !name.endsWith('/build-app-shell-with-schematic.ts'))
-  .filter(name => !name.endsWith('/new-minimal.ts'))
   // IS this test still valid? \/
   .filter(name => !name.endsWith('/module-id.ts'))
   // Do we want to support this?