refactor!: rename to HMRPayload to HotPayload and remove HMRBroadcaster

docs/guide/api-vite-environment.md

@@ -48,7 +48,7 @@ class DevEnvironment {
    * Communication channel to send and receive messages from the
    * associated module runner in the target runtime.
    */
-  hot: HMRChannel | null
+  hot: HotChannel | null
   /**
    * Graph of module nodes, with the imported relationship between
    * processed modules and the cached result of the processed code.
@@ -816,7 +816,7 @@ export interface ModuleRunnerHMRConnection {
    * Configure how HMR is handled when this connection triggers an update.
    * This method expects that the connection will start listening for HMR updates and call this callback when it's received.
    */
-  onUpdate(callback: (payload: HMRPayload) => void): void
+  onUpdate(callback: (payload: HotPayload) => void): void
 }
 ```
 

packages/vite/src/client/client.ts

@@ -1,4 +1,4 @@
-import type { ErrorPayload, HMRPayload } from 'types/hmrPayload'
+import type { ErrorPayload, HotPayload } from 'types/hotPayload'
 import type { ViteHotContext } from 'types/hot'
 import type { InferCustomEventPayload } from 'types/customEvent'
 import { HMRClient, HMRContext } from '../shared/hmr'
@@ -172,7 +172,7 @@ const hmrClient = new HMRClient(
   },
 )
 
-async function handleMessage(payload: HMRPayload) {
+async function handleMessage(payload: HotPayload) {
   switch (payload.type) {
     case 'connected':
       console.debug(`[vite] connected.`)

packages/vite/src/client/overlay.ts

@@ -1,4 +1,4 @@
-import type { ErrorPayload } from 'types/hmrPayload'
+import type { ErrorPayload } from 'types/hotPayload'
 
 // injected by the hmr plugin when served
 declare const __BASE__: string

packages/vite/src/module-runner/hmrHandler.ts

@@ -1,18 +1,18 @@
-import type { HMRPayload } from 'types/hmrPayload'
+import type { HotPayload } from 'types/hotPayload'
 import { slash, unwrapId } from '../shared/utils'
 import type { ModuleRunner } from './runner'
 
 // updates to HMR should go one after another. It is possible to trigger another update during the invalidation for example.
 export function createHMRHandler(
   runner: ModuleRunner,
-): (payload: HMRPayload) => Promise<void> {
+): (payload: HotPayload) => Promise<void> {
   const queue = new Queue()
-  return (payload) => queue.enqueue(() => handleHMRPayload(runner, payload))
+  return (payload) => queue.enqueue(() => handleHotPayload(runner, payload))
 }
 
-export async function handleHMRPayload(
+export async function handleHotPayload(
   runner: ModuleRunner,
-  payload: HMRPayload,
+  payload: HotPayload,
 ): Promise<void> {
   const hmrClient = runner.hmrClient
   if (!hmrClient || runner.isDestroyed()) return

packages/vite/src/module-runner/types.ts

@@ -1,5 +1,5 @@
 import type { ViteHotContext } from 'types/hot'
-import type { HMRPayload } from 'types/hmrPayload'
+import type { HotPayload } from 'types/hotPayload'
 import type { HMRConnection, HMRLogger } from '../shared/hmr'
 import type {
   DefineImportMetadata,
@@ -24,7 +24,7 @@ export interface ModuleRunnerHMRConnection extends HMRConnection {
    * Configure how HMR is handled when this connection triggers an update.
    * This method expects that connection will start listening for HMR updates and call this callback when it's received.
    */
-  onUpdate(callback: (payload: HMRPayload) => void): void
+  onUpdate(callback: (payload: HotPayload) => void): void
 }
 
 export interface ModuleRunnerImportMeta extends ImportMeta {

packages/vite/src/node/index.ts

@@ -144,10 +144,9 @@ export type {
 export type { HmrOptions, HmrContext, HotUpdateContext } from './server/hmr'
 
 export type {
-  HMRBroadcaster,
-  HMRChannel,
-  ServerHMRChannel,
-  HMRBroadcasterClient,
+  HotChannel,
+  ServerHotChannel,
+  HotChannelClient,
 } from './server/hmr'
 
 export type { FetchFunction, FetchResult } from 'vite/module-runner'
@@ -156,15 +155,15 @@ export type { ServerModuleRunnerOptions } from './ssr/runtime/serverModuleRunner
 export type { BindCLIShortcutsOptions, CLIShortcut } from './shortcuts'
 
 export type {
-  HMRPayload,
+  HotPayload,
   ConnectedPayload,
   UpdatePayload,
   Update,
   FullReloadPayload,
   CustomPayload,
   PrunePayload,
   ErrorPayload,
-} from 'types/hmrPayload'
+} from 'types/hotPayload'
 export type {
   CustomEventMap,
   InferCustomEventPayload,

packages/vite/src/node/plugins/esbuild.ts

@@ -479,7 +479,7 @@ export async function reloadOnTsconfigChange(
   // any json file in the tsconfig cache could have been used to compile ts
   if (
     path.basename(changedFile) === 'tsconfig.json' ||
-    changedFile.endsWith('.json') /* 
+    changedFile.endsWith('.json') /*
       TODO: the tsconfckCache?.clear() line will make this fail if there are several servers
             we may need a cache per server if we don't want all servers to share the reset
             leaving it commented for now because it should still work
@@ -500,7 +500,7 @@ export async function reloadOnTsconfigChange(
     tsconfckCache?.clear()
 
     // force full reload
-    server.hot.send({
+    server.ws.send({
       type: 'full-reload',
       path: '*',
     })

packages/vite/src/node/server/__tests__/pluginContainer.spec.ts

@@ -222,7 +222,7 @@ async function getDevEnvironment(
   // @ts-expect-error This plugin requires a ViteDevServer instance.
   config.plugins = config.plugins.filter((p) => !p.name.includes('pre-alias'))
 
-  const environment = new DevEnvironment('client', config)
+  const environment = new DevEnvironment('client', config, { hot: false })
   await environment.init()
 
   return environment

packages/vite/src/node/server/environment.ts

@@ -20,8 +20,8 @@ import {
 } from '../optimizer/optimizer'
 import { resolveEnvironmentPlugins } from '../plugin'
 import { EnvironmentModuleGraph } from './moduleGraph'
-import type { HMRChannel } from './hmr'
-import { createNoopHMRChannel, getShortName, updateModules } from './hmr'
+import type { HotChannel } from './hmr'
+import { createNoopHotChannel, getShortName, updateModules } from './hmr'
 import type { TransformResult } from './transformRequest'
 import { transformRequest } from './transformRequest'
 import type { EnvironmentPluginContainer } from './pluginContainer'
@@ -32,7 +32,7 @@ import {
 import type { RemoteEnvironmentTransport } from './environmentTransport'
 
 export interface DevEnvironmentSetup {
-  hot?: false | HMRChannel
+  hot: false | HotChannel
   watcher?: FSWatcher
   options?: EnvironmentOptions
   runner?: FetchModuleOptions & {
@@ -90,24 +90,24 @@ export class DevEnvironment extends BaseEnvironment {
   _crawlEndFinder: CrawlEndFinder
 
   /**
-   * HMR channel for this environment. If not provided or disabled,
+   * Hot channel for this environment. If not provided or disabled,
    * it will be a noop channel that does nothing.
    *
    * @example
    * environment.hot.send({ type: 'full-reload' })
    */
-  hot: HMRChannel
+  hot: HotChannel
   constructor(
     name: string,
     config: ResolvedConfig,
-    setup?: DevEnvironmentSetup,
+    setup: DevEnvironmentSetup,
   ) {
     let options =
       config.environments[name] ?? getDefaultResolvedEnvironmentOptions(config)
-    if (setup?.options) {
+    if (setup.options) {
       options = mergeConfig(
         options,
-        setup?.options,
+        setup.options,
       ) as ResolvedEnvironmentOptions
     }
     super(name, config, options)
@@ -118,17 +118,16 @@ export class DevEnvironment extends BaseEnvironment {
       this.pluginContainer!.resolveId(url, undefined),
     )
 
-    this.hot = setup?.hot || createNoopHMRChannel()
-    this.watcher = setup?.watcher
+    this.hot = setup.hot || createNoopHotChannel()
+    this.watcher = setup.watcher
 
     this._onCrawlEndCallbacks = []
     this._crawlEndFinder = setupOnCrawlEnd(() => {
       this._onCrawlEndCallbacks.forEach((cb) => cb())
     })
 
-    const ssrRunnerOptions = setup?.runner || {}
-    this._ssrRunnerOptions = ssrRunnerOptions
-    setup?.runner?.transport?.register(this)
+    this._ssrRunnerOptions = setup.runner || {}
+    setup.runner?.transport?.register(this)
 
     this.hot.on('vite:invalidate', async ({ path, message }) => {
       invalidateModule(this, {
@@ -138,8 +137,8 @@ export class DevEnvironment extends BaseEnvironment {
     })
 
     const { optimizeDeps } = this.options.dev
-    if (setup?.depsOptimizer) {
-      this.depsOptimizer = setup?.depsOptimizer
+    if (setup.depsOptimizer) {
+      this.depsOptimizer = setup.depsOptimizer
     } else if (!isDepOptimizationEnabled(optimizeDeps)) {
       this.depsOptimizer = undefined
     } else {

packages/vite/src/node/server/environments/nodeEnvironment.ts

@@ -6,7 +6,7 @@ import { asyncFunctionDeclarationPaddingLineCount } from '../../../shared/utils'
 export function createNodeDevEnvironment(
   name: string,
   config: ResolvedConfig,
-  options?: DevEnvironmentSetup,
+  options: DevEnvironmentSetup,
 ): DevEnvironment {
   return new DevEnvironment(name, config, {
     ...options,