fix(@schematics/angular): Add budget configuration to update logic

fixes #10616

Author: Brocco

packages/schematics/angular/migrations/update-6/index.ts

@@ -6,6 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 import {
+  JsonArray,
   JsonObject,
   JsonParseMode,
   Path,
@@ -327,6 +328,7 @@ function extractProjectsConfig(config: CliConfig, tree: Tree): JsonObject {
               : {}
             ),
             ...(isProduction && swConfig ? swConfig : {}),
+            ...(isProduction && app.budgets ? { budgets: app.budgets as JsonArray } : {}),
             fileReplacements: [
               {
                 replace: `${app.root}/${source}`,

packages/schematics/angular/migrations/update-6/index_spec.ts

@@ -602,6 +602,23 @@ describe('Migration to v6', () => {
           .toEqual(['src/tsconfig.app.json', 'src/tsconfig.spec.json']);
         expect(tslint.options.exclude).toEqual([ '**/node_modules/**' ]);
       });
+
+      it('should set the budgets configuration', () => {
+        baseConfig.apps[0].budgets = [{
+          type: 'bundle',
+          name: 'main',
+          error: '123kb',
+        }];
+
+        tree.create(oldConfigPath, JSON.stringify(baseConfig, null, 2));
+        tree = schematicRunner.runSchematic('migration-01', defaultOptions, tree);
+        const config = getConfig(tree);
+        const budgets = config.projects.foo.architect.build.configurations.production.budgets;
+        expect(budgets.length).toEqual(1);
+        expect(budgets[0].type).toEqual('bundle');
+        expect(budgets[0].name).toEqual('main');
+        expect(budgets[0].error).toEqual('123kb');
+      });
     });
 
     describe('e2e projects', () => {

packages/schematics/angular/utility/config.ts

@@ -126,6 +126,44 @@ export interface AppConfig {
     app: string;
     route: string;
   };
+  budgets?: {
+    /**
+     * The type of budget
+     */
+    type?: ('bundle' | 'initial' | 'allScript' | 'all' | 'anyScript' | 'any');
+    /**
+     * The name of the bundle
+     */
+    name?: string;
+    /**
+     * The baseline size for comparison.
+     */
+    baseline?: string;
+    /**
+     * The maximum threshold for warning relative to the baseline.
+     */
+    maximumWarning?: string;
+    /**
+     * The maximum threshold for error relative to the baseline.
+     */
+    maximumError?: string;
+    /**
+     * The minimum threshold for warning relative to the baseline.
+     */
+    minimumWarning?: string;
+    /**
+     * The minimum threshold for error relative to the baseline.
+     */
+    minimumError?: string;
+    /**
+     * The threshold for warning relative to the baseline (min & max).
+     */
+    warning?: string;
+    /**
+     * The threshold for error relative to the baseline (min & max).
+     */
+    error?: string;
+  }[];
 }
 
 export interface CliConfig {