refactor(@angular-devkit/core): use standard node resolution methods where possible

Author: clydin

etc/api/angular_devkit/core/node/_golden-api.d.ts

@@ -40,7 +40,6 @@ export declare class NodeJsSyncHost implements virtualFs.Host<fs.Stats> {
 }
 
 export declare class NodeModuleJobRegistry<MinimumArgumentValueT extends JsonValue = JsonValue, MinimumInputValueT extends JsonValue = JsonValue, MinimumOutputValueT extends JsonValue = JsonValue> implements core_experimental.jobs.Registry<MinimumArgumentValueT, MinimumInputValueT, MinimumOutputValueT> {
-    constructor(_resolveLocal?: boolean, _resolveGlobal?: boolean);
     protected _resolve(name: string): string | null;
     get<A extends MinimumArgumentValueT, I extends MinimumInputValueT, O extends MinimumOutputValueT>(name: core_experimental.jobs.JobName): Observable<core_experimental.jobs.JobHandler<A, I, O> | null>;
 }

packages/angular_devkit/core/node/experimental/jobs/job-registry.ts

@@ -7,26 +7,19 @@
  */
 import { Observable, of } from 'rxjs';
 import { JsonValue, experimental as core_experimental, schema } from '../../../src';
-import { ModuleNotFoundException, resolve } from '../../resolve';
 
 export class NodeModuleJobRegistry<MinimumArgumentValueT extends JsonValue = JsonValue,
   MinimumInputValueT extends JsonValue = JsonValue,
   MinimumOutputValueT extends JsonValue = JsonValue,
 > implements core_experimental.jobs.Registry<MinimumArgumentValueT,
   MinimumInputValueT,
   MinimumOutputValueT> {
-  public constructor(private _resolveLocal = true, private _resolveGlobal = false) {
-  }
 
   protected _resolve(name: string): string | null {
     try {
-      return resolve(name, {
-        checkLocal: this._resolveLocal,
-        checkGlobal: this._resolveGlobal,
-        basedir: __dirname,
-      });
+      return require.resolve(name);
     } catch (e) {
-      if (e instanceof ModuleNotFoundException) {
+      if (e.code === 'MODULE_NOT_FOUND') {
         return null;
       }
       throw e;