Add MIT License Headers to Components/Web.JS/**/*.ts Files (#39164)

* Add license header to eslint config

* Add headers to TS files

Author: TanayParikh

src/Components/Web.JS/package.json

@@ -12,6 +12,7 @@
     "preclean": "yarn install --mutex network --frozen-lockfile",
     "clean": "node node_modules/rimraf/bin.js ./dist/Debug ./dist/Release",
     "prebuild": "yarn run clean && yarn install --mutex network --frozen-lockfile",
+    "lint": "eslint -c ./src/.eslintrc.js --ext .ts ./src",
     "build": "yarn run build:debug && yarn run build:production",
     "build:debug": "cd src && node ../node_modules/webpack-cli/bin/cli.js --mode development --config ./webpack.config.js",
     "build:production": "cd src && node ../node_modules/webpack-cli/bin/cli.js --mode production --config ./webpack.config.js",
@@ -30,6 +31,7 @@
     "@typescript-eslint/parser": "^4.29.3",
     "babel-jest": "^27.1.0",
     "eslint": "^7.32.0",
+    "eslint-plugin-header": "^3.1.1",
     "inspectpack": "^4.7.1",
     "jest": "^27.1.0",
     "rimraf": "^3.0.2",

src/Components/Web.JS/src/.eslintrc.js

@@ -1,6 +1,6 @@
 module.exports = {
   parser: '@typescript-eslint/parser',  // Specifies the ESLint parser
-  plugins: ['@typescript-eslint'],
+  plugins: ['@typescript-eslint', 'header'],
   extends: [
     'eslint:recommended',
     'plugin:@typescript-eslint/recommended',  // Uses the recommended rules from the @typescript-eslint/eslint-plugin
@@ -62,8 +62,16 @@ module.exports = {
       "asyncArrow": "always"
     }],
     "space-in-parens": ["error", "never"],
-    "space-infix-ops": ["error"]
-
+    "space-infix-ops": ["error"],
+    "header/header": [
+      2,
+      "line",
+      [
+        " Licensed to the .NET Foundation under one or more agreements.",
+        " The .NET Foundation licenses this file to you under the MIT license."
+      ],
+      2
+    ]
   },
   globals: {
     DotNet: "readonly"

src/Components/Web.JS/src/BinaryDecoder.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 const uint64HighPartShift = Math.pow(2, 32);
 const maxSafeNumberHighPart = Math.pow(2, 21) - 1; // The high-order int32 from Number.MAX_SAFE_INTEGER
 

src/Components/Web.JS/src/Boot.Server.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { DotNet } from '@microsoft/dotnet-js-interop';
 import { Blazor } from './GlobalExports';
 import { HubConnectionBuilder, HubConnection, HttpTransportType } from '@microsoft/signalr';
@@ -111,7 +114,7 @@ async function initializeConnection(options: CircuitStartOptions, logger: Logger
           complete: () => controller.close(),
           error: (err) => controller.error(err),
         });
-      }
+      },
     });
 
     DotNet.jsCallDispatcher.supplyDotNetStream(streamId, readableStream);

src/Components/Web.JS/src/Boot.WebAssembly.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 /* eslint-disable array-element-newline */
 import { DotNet } from '@microsoft/dotnet-js-interop';
 import { Blazor } from './GlobalExports';

src/Components/Web.JS/src/Boot.WebView.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { DotNet } from '@microsoft/dotnet-js-interop';
 import { Blazor } from './GlobalExports';
 import { shouldAutoStart } from './BootCommon';

src/Components/Web.JS/src/BootCommon.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 // Tells you if the script was added without <script src="..." autostart="false"></script>
 export function shouldAutoStart(): boolean {
   return !!(document &&

src/Components/Web.JS/src/BootErrors.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 let hasFailed = false;
 
 export function showErrorNotification(): void {

src/Components/Web.JS/src/DomWrapper.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import '@microsoft/dotnet-js-interop';
 
 export const domFunctions = {

src/Components/Web.JS/src/Environment.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 // Expose an export called 'platform' of the interface type 'Platform',
 // so that consumers can be agnostic about which implementation they use.
 // Basic alternative to having an actual DI container.

src/Components/Web.JS/src/GlobalExports.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { navigateTo, internalFunctions as navigationManagerInternalFunctions, NavigationOptions } from './Services/NavigationManager';
 import { domFunctions } from './DomWrapper';
 import { Virtualize } from './Virtualize';

src/Components/Web.JS/src/InputFile.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 export const InputFile = {
   init,
   toImageFile,

src/Components/Web.JS/src/JSInitializers/JSInitializers.Server.ts

@@ -1,12 +1,15 @@
-import { BootJsonData } from "../Platform/BootConfig";
-import { CircuitStartOptions } from "../Platform/Circuits/CircuitStartOptions";
-import { JSInitializer } from "./JSInitializers";
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+import { BootJsonData } from '../Platform/BootConfig';
+import { CircuitStartOptions } from '../Platform/Circuits/CircuitStartOptions';
+import { JSInitializer } from './JSInitializers';
 
 export async function fetchAndInvokeInitializers(options: Partial<CircuitStartOptions>) : Promise<JSInitializer> {
   const jsInitializersResponse = await fetch('_blazor/initializers', {
     method: 'GET',
     credentials: 'include',
-    cache: 'no-cache'
+    cache: 'no-cache',
   });
 
   const initializers: string[] = await jsInitializersResponse.json();

src/Components/Web.JS/src/JSInitializers/JSInitializers.WebAssembly.ts

@@ -1,14 +1,18 @@
-import { BootJsonData } from "../Platform/BootConfig";
-import { WebAssemblyStartOptions } from "../Platform/WebAssemblyStartOptions";
-import { JSInitializer } from "./JSInitializers";
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+import { BootJsonData } from '../Platform/BootConfig';
+import { WebAssemblyStartOptions } from '../Platform/WebAssemblyStartOptions';
+import { JSInitializer } from './JSInitializers';
 
 export async function fetchAndInvokeInitializers(bootConfig: BootJsonData, options: Partial<WebAssemblyStartOptions>) : Promise<JSInitializer> {
   const initializers = bootConfig.resources.libraryInitializers;
   const jsInitializer = new JSInitializer();
   if (initializers) {
     await jsInitializer.importInitializersAsync(
       Object.keys(initializers),
-      [options, bootConfig.resources.extensions]);
+      [options, bootConfig.resources.extensions]
+    );
   }
 
   return jsInitializer;

src/Components/Web.JS/src/JSInitializers/JSInitializers.WebView.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { JSInitializer } from './JSInitializers';
 
 export async function fetchAndInvokeInitializers() : Promise<JSInitializer> {

src/Components/Web.JS/src/JSInitializers/JSInitializers.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { Blazor } from '../GlobalExports';
 
 type BeforeBlazorStartedCallback = (...args: unknown[]) => Promise<void>;

src/Components/Web.JS/src/PageTitle.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { getLogicalParent, LogicalElement } from './Rendering/LogicalElements';
 
 export const PageTitle = {

src/Components/Web.JS/src/Platform/BootConfig.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { WebAssemblyBootResourceType } from './WebAssemblyStartOptions';
 
 type LoadBootResourceCallback = (type: WebAssemblyBootResourceType, name: string, defaultUri: string, integrity: string) => string | Promise<Response> | null | undefined;

src/Components/Web.JS/src/Platform/Circuits/CircuitManager.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { internalFunctions as navigationManagerFunctions } from '../../Services/NavigationManager';
 import { toLogicalRootCommentElement, LogicalElement, toLogicalElement } from '../../Rendering/LogicalElements';
 import { ServerComponentDescriptor } from '../../Services/ComponentDescriptorDiscovery';

src/Components/Web.JS/src/Platform/Circuits/CircuitStartOptions.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { LogLevel } from '../Logging/Logger';
 import { HubConnectionBuilder } from '@microsoft/signalr';
 

src/Components/Web.JS/src/Platform/Circuits/CircuitStreamingInterop.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { HubConnection } from '@microsoft/signalr';
 import { getNextChunk } from '../../StreamingInterop';
 

src/Components/Web.JS/src/Platform/Circuits/DefaultReconnectDisplay.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { ReconnectDisplay } from './ReconnectDisplay';
 import { Logger, LogLevel } from '../Logging/Logger';
 import { Blazor } from '../../GlobalExports';

src/Components/Web.JS/src/Platform/Circuits/DefaultReconnectionHandler.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { ReconnectionHandler, ReconnectionOptions } from './CircuitStartOptions';
 import { ReconnectDisplay } from './ReconnectDisplay';
 import { DefaultReconnectDisplay } from './DefaultReconnectDisplay';

src/Components/Web.JS/src/Platform/Circuits/ReconnectDisplay.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 export interface ReconnectDisplay {
   show(): void;
   update(currentAttempt: number): void;

src/Components/Web.JS/src/Platform/Circuits/RenderQueue.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { renderBatch } from '../../Rendering/Renderer';
 import { OutOfProcessRenderBatch } from '../../Rendering/RenderBatch/OutOfProcessRenderBatch';
 import { Logger, LogLevel } from '../Logging/Logger';

src/Components/Web.JS/src/Platform/Circuits/UserSpecifiedDisplay.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { ReconnectDisplay } from './ReconnectDisplay';
 export class UserSpecifiedDisplay implements ReconnectDisplay {
   static readonly ShowClassName = 'components-reconnect-show';

src/Components/Web.JS/src/Platform/Logging/Loggers.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 /* eslint-disable no-console */
 
 import { Logger, LogLevel } from './Logger';

src/Components/Web.JS/src/Platform/Mono/MonoDebugger.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { WebAssemblyResourceLoader } from '../WebAssemblyResourceLoader';
 
 const currentBrowserIsChrome = (window as any).chrome

src/Components/Web.JS/src/Platform/Mono/MonoPlatform.ts

@@ -1,4 +1,6 @@
-/* eslint-disable @typescript-eslint/ban-types */
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 /* eslint-disable no-prototype-builtins */
 import { DotNet } from '@microsoft/dotnet-js-interop';
 import { attachDebuggerHotkey, hasDebuggingEnabled } from './MonoDebugger';

src/Components/Web.JS/src/Platform/Mono/MonoTypes.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { Pointer, System_String, System_Array, System_Object } from '../Platform';
 
 // Mono uses this global to hang various debugging-related items on
@@ -14,7 +17,7 @@ declare interface MONO {
 // Mono uses this global to hold low-level interop APIs
 declare interface BINDING {
   mono_obj_array_new(length: number): System_Array<System_Object>;
-  mono_obj_array_set(array: System_Array<System_Object>, index: Number, value: System_Object): void;
+  mono_obj_array_set(array: System_Array<System_Object>, index: number, value: System_Object): void;
   js_string_to_mono_string(jsString: string): System_String;
   js_typed_array_to_array(array: Uint8Array): System_Object;
   js_to_mono_obj(jsObject: any) : System_Object;

src/Components/Web.JS/src/Platform/Platform.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { WebAssemblyResourceLoader } from './WebAssemblyResourceLoader';
 
 export interface Platform {

src/Components/Web.JS/src/Platform/WebAssemblyComponentAttacher.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { LogicalElement, toLogicalRootCommentElement } from '../Rendering/LogicalElements';
 import { WebAssemblyComponentDescriptor } from '../Services/ComponentDescriptorDiscovery';
 

src/Components/Web.JS/src/Platform/WebAssemblyConfigLoader.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { BootConfigResult } from './BootConfig';
 import { System_String, System_Object } from './Platform';
 import { Blazor } from '../GlobalExports';

src/Components/Web.JS/src/Platform/WebAssemblyResourceLoader.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { toAbsoluteUri } from '../Services/NavigationManager';
 import { BootJsonData, ResourceList } from './BootConfig';
 import { WebAssemblyStartOptions, WebAssemblyBootResourceType } from './WebAssemblyStartOptions';

src/Components/Web.JS/src/Platform/WebAssemblyStartOptions.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 export interface WebAssemblyStartOptions {
   /**
    * Overrides the built-in boot resource loading mechanism so that boot resources can be fetched

src/Components/Web.JS/src/Platform/WebView/WebViewIpcCommon.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 const ipcMessagePrefix = '__bwv:';
 let applicationIsTerminated = false;
 
@@ -18,10 +21,10 @@ export function tryDeserializeMessage(message: string): IpcMessage | null {
 }
 
 export function setApplicationIsTerminated() {
-    // If there's an unhandled exception, we'll prevent the webview from doing anything else until
-    // it reloads the page. This is equivalent to what happens in Blazor Server, and avoids anyone
-    // taking a dependency on being able to continue interacting after a fatal error.
-    applicationIsTerminated = true;
+  // If there's an unhandled exception, we'll prevent the webview from doing anything else until
+  // it reloads the page. This is equivalent to what happens in Blazor Server, and avoids anyone
+  // taking a dependency on being able to continue interacting after a fatal error.
+  applicationIsTerminated = true;
 }
 
 interface IpcMessage {

src/Components/Web.JS/src/Platform/WebView/WebViewIpcReceiver.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { DotNet } from '@microsoft/dotnet-js-interop';
 import { showErrorNotification } from '../../BootErrors';
 import { OutOfProcessRenderBatch } from '../../Rendering/RenderBatch/OutOfProcessRenderBatch';

src/Components/Web.JS/src/Platform/WebView/WebViewIpcSender.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { trySerializeMessage } from './WebViewIpcCommon';
 
 export function sendAttachPage(baseUrl: string, startUrl: string) {
@@ -26,7 +29,7 @@ function base64EncodeByteArray(data: Uint8Array) {
   // Note `btoa(String.fromCharCode.apply(null, data as unknown as number[]));`
   // isn't sufficient as the `apply` over a large array overflows the stack.
   const charBytes = new Array(data.length);
-  for (var i = 0; i < data.length; i++) {
+  for (let i = 0; i < data.length; i++) {
     charBytes[i] = String.fromCharCode(data[i]);
   }
   const dataBase64Encoded = btoa(charBytes.join(''));

src/Components/Web.JS/src/Rendering/BrowserRenderer.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { RenderBatch, ArrayBuilderSegment, RenderTreeEdit, RenderTreeFrame, EditType, FrameType, ArrayValues } from './RenderBatch/RenderBatch';
 import { EventDelegator } from './Events/EventDelegator';
 import { LogicalElement, PermutationListEntry, toLogicalElement, insertLogicalChild, removeLogicalChild, getLogicalParent, getLogicalChild, createAndInsertLogicalContainer, isSvgElement, getLogicalChildrenArray, getLogicalSiblingEnd, permuteLogicalChildren, getClosestDomElement, emptyLogicalElement } from './LogicalElements';
@@ -15,6 +18,7 @@ export class BrowserRenderer {
   public eventDelegator: EventDelegator;
 
   private rootComponentIds = new Set<number>();
+
   private childComponentLocations: { [componentId: number]: LogicalElement } = {};
 
   public constructor(browserRendererId: number) {

src/Components/Web.JS/src/Rendering/ElementReferenceCapture.ts

@@ -1,3 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
 import { DotNet } from '@microsoft/dotnet-js-interop';
 
 export function applyCaptureIdToElement(element: Element, referenceCaptureId: string) {