fix(angular): update ng-add schematic

angular/src/schematics/add/index.ts

@@ -1,20 +1,9 @@
-import {
-  apply,
-  chain,
-  mergeWith,
-  move,
-  Rule,
-  SchematicContext,
-  SchematicsException,
-  template,
-  Tree,
-  url
-} from '@angular-devkit/schematics';
 import { join, Path } from '@angular-devkit/core';
+import { apply, chain, mergeWith, move, Rule, SchematicContext, SchematicsException, template, Tree, url } from '@angular-devkit/schematics';
 import { NodePackageInstallTask } from '@angular-devkit/schematics/tasks';
-import { addPackageToPackageJson } from './../utils/package';
 import { addModuleImportToRootModule } from './../utils/ast';
-import { addArchitectBuilder, addStyle, getWorkspace } from './../utils/config';
+import { addArchitectBuilder, addStyle, getWorkspace, addAsset } from './../utils/config';
+import { addPackageToPackageJson } from './../utils/package';
 import { Schema as IonAddOptions } from './schema';
 
 function addIonicAngularToPackageJson(): Rule {
@@ -68,6 +57,18 @@ function addIonicStyles(): Rule {
   };
 }
 
+function addIonicons(): Rule {
+  return (host: Tree) => {
+    const ioniconsGlob = {
+      glob: '**/*.svg',
+      input: 'node_modules/ionicons/dist/ionicons/svg',
+      output: './svg'
+    };
+    addAsset(host, ioniconsGlob);
+    return host;
+  };
+}
+
 function addIonicBuilder(): Rule {
   return (host: Tree) => {
     addArchitectBuilder(host, 'ionic-cordova-serve', {
@@ -119,7 +120,7 @@ export default function ngAdd(options: IonAddOptions): Rule {
 
     const sourcePath = join(project.root as Path, 'src');
     const rootTemplateSource = apply(url('./files/root'), [
-      template({...options}),
+      template({ ...options }),
       move(sourcePath)
     ]);
     return chain([
@@ -129,6 +130,7 @@ export default function ngAdd(options: IonAddOptions): Rule {
       addIonicAngularModuleToAppModule(sourcePath),
       addIonicBuilder(),
       addIonicStyles(),
+      addIonicons(),
       mergeWith(rootTemplateSource),
       // install freshly added dependencies
       installNodeDeps()

angular/src/schematics/utils/config.ts

@@ -64,6 +64,18 @@ export function addStyle(host: Tree, stylePath: string) {
   }
 }
 
+export function addAsset(host: Tree, asset: string | {glob: string; input: string; output: string}) {
+  const config = readConfig(host);
+  const appConfig = getAngularAppConfig(config);
+
+  if (appConfig) {
+    appConfig.architect.build.options.assets.push(asset);
+    writeConfig(host, config);
+  } else {
+    throw new SchematicsException(`Cannot find valid app`);
+  }
+}
+
 export function addArchitectBuilder(host: Tree, builderName: string, builderOpts: any){
   const config = readConfig(host);
   const appConfig = getAngularAppConfig(config);