fix(@angular-devkit/schematics): allow custom registry for node package task

(cherry picked from commit 33656f7)

Author: clydin

etc/api/angular_devkit/schematics/tools/index.d.ts

@@ -135,6 +135,7 @@ export declare class NodeWorkflow extends workflow.BaseWorkflow {
         dryRun?: boolean;
         root?: Path;
         packageManager?: string;
+        packageRegistry?: string;
         registry?: schema.CoreSchemaRegistry;
         resolvePaths?: string[];
     });

packages/angular_devkit/schematics/tasks/node-package/executor.ts

@@ -13,13 +13,13 @@ import { Observable } from 'rxjs';
 import { TaskExecutor, UnsuccessfulWorkflowExecution } from '../../src';
 import { NodePackageTaskFactoryOptions, NodePackageTaskOptions } from './options';
 
-type PackageManagerProfile = {
+interface PackageManagerProfile {
   quietArgument?: string;
   commands: {
     installAll?: string;
     installPackage: string;
-  },
-};
+  };
+}
 
 const packageManagers: { [name: string]: PackageManagerProfile } = {
   'npm': {
@@ -99,6 +99,10 @@ export default function(
       args.push(taskPackageManagerProfile.quietArgument);
     }
 
+    if (factoryOptions.registry) {
+      args.push(`--registry="${factoryOptions.registry}"`);
+    }
+
     return new Observable(obs => {
       const spinner = ora({
         text: 'Installing packages...',

packages/angular_devkit/schematics/tasks/node-package/options.ts

@@ -11,6 +11,7 @@ export interface NodePackageTaskFactoryOptions {
   rootDirectory?: string;
   packageManager?: string;
   allowPackageManagerOverride?: boolean;
+  registry?: string;
 }
 
 export interface NodePackageTaskOptions {

packages/angular_devkit/schematics/tools/workflow/node-workflow.ts

@@ -24,6 +24,7 @@ export class NodeWorkflow extends workflow.BaseWorkflow {
       dryRun?: boolean;
       root?: Path;
       packageManager?: string;
+      packageRegistry?: string;
       registry?: schema.CoreSchemaRegistry;
       resolvePaths?: string[],
     },
@@ -44,6 +45,7 @@ export class NodeWorkflow extends workflow.BaseWorkflow {
         allowPackageManagerOverride: true,
         packageManager: options.packageManager,
         rootDirectory: options.root && getSystemPath(options.root),
+        registry: options.packageRegistry,
       },
     );
     engineHost.registerTaskExecutor(