build(docs-infra): upgrade @angular/cli to 8.0.0-beta.18 (#29926)

This commit also changes the config files and their layout to
(reasonably closely) match what the cli would generate for a new app.

Related Jira issue: [TOOL-815](https://angular-team.atlassian.net/browse/TOOL-815)

PR Close #29926

aio/src/app/search/search.service.ts

@@ -27,7 +27,7 @@ export class SearchService {
       .pipe(
         concatMap(() => {
           // Create the worker and load the index
-          const worker = new Worker('./search-worker', { type: 'module' });
+          const worker = new Worker('./search.worker', { type: 'module' });
           this.worker = WebWorkerClient.create(worker, this.zone);
           return this.worker.sendMessage<boolean>('load-index');
         }),

aio/src/app/search/search.worker.ts

@@ -1,3 +1,4 @@
+/// <reference lib="webworker" />
 import { WebWorkerMessage } from '../shared/web-worker-message';
 import * as lunr from 'lunr';
 

aio/src/karma.conf.js

@@ -1,32 +0,0 @@
-// Karma configuration file, see link for more information
-// https://karma-runner.github.io/1.0/config/configuration-file.html
-
-module.exports = function (config) {
-  config.set({
-    basePath: '',
-    frameworks: ['jasmine', '@angular-devkit/build-angular'],
-    plugins: [
-      require('karma-jasmine'),
-      require('karma-chrome-launcher'),
-      require('karma-jasmine-html-reporter'),
-      require('karma-coverage-istanbul-reporter'),
-      require('@angular-devkit/build-angular/plugins/karma')
-    ],
-    client: {
-      clearContext: false // leave Jasmine Spec Runner output visible in browser
-    },
-    coverageIstanbulReporter: {
-      dir: require('path').join(__dirname, '../coverage'),
-      reports: ['html', 'lcovonly'],
-      fixWebpackSourcePaths: true
-    },
-    reporters: ['progress', 'kjhtml'],
-    port: 9876,
-    colors: true,
-    logLevel: config.LOG_INFO,
-    autoWatch: true,
-    browsers: ['Chrome'],
-    browserNoActivityTimeout: 60000,
-    singleRun: false,
-  });
-};

aio/src/tsconfig.app.json

@@ -1,23 +0,0 @@
-{
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    "outDir": "../out-tsc/app",
-    "baseUrl": "",
-    "types": [],
-    "lib": [
-      "es2018",
-      "dom"
-    ],
-    "importHelpers": true
-  },
-  "exclude": [
-    "testing/**/*",
-    "test.ts",
-    "test-specs.ts",
-    "**/*.spec.ts",
-    "**/*-worker.ts"
-  ],
-  "angularCompilerOptions": {
-    "disableTypeScriptVersionCheck": true
-  }
-}

aio/src/tsconfig.json

@@ -1,11 +0,0 @@
-{
-  "extends": "../tsconfig.json",
-  "compilerOptions": {
-    "module": "es2015",
-    "lib": [
-      "es2018",
-      "dom",
-      "webworker"
-    ],
-  }
-}

aio/src/tsconfig.spec.json

@@ -1,20 +0,0 @@
-{
-  "extends": "../tsconfig.json",
-  "compilerOptions": {
-    "outDir": "../out-tsc/spec",
-    "module": "commonjs",
-    "types": [
-      "jasmine",
-      "node"
-    ]
-  },
-  "files": [
-    "test.ts",
-    "polyfills.ts"
-  ],
-  "include": [
-    "testing/**/*.ts",
-    "**/*.spec.ts",
-    "**/*.d.ts"
-  ]
-}

aio/src/tsconfig.worker.json

@@ -1,14 +0,0 @@
-{
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    "outDir": "../out-tsc/worker",
-    "lib": [
-      "es2018",
-      "webworker"
-    ],
-    "types": [
-      "lunr"
-    ],
-  },
-  "include": ["**/*-worker.ts"]
-}