fix: allow to configure dev.hmr in environments

packages/core/src/provider/initConfigs.ts

@@ -5,7 +5,7 @@ import {
   updateContextByNormalizedConfig,
   updateEnvironmentContext,
 } from '../createContext';
-import { camelCase } from '../helpers';
+import { camelCase, pick } from '../helpers';
 import { isDebug, logger } from '../logger';
 import { mergeRsbuildConfig } from '../mergeConfig';
 import { initPlugins } from '../pluginManager';
@@ -80,7 +80,6 @@ const initEnvironmentConfigs = (
   };
   const { environments, dev, server, provider, ...rsbuildSharedConfig } =
     normalizedConfig;
-  const { assetPrefix, lazyCompilation } = dev;
 
   const isEnvironmentEnabled = (name: string) =>
     !specifiedEnvironments || specifiedEnvironments.includes(name);
@@ -107,10 +106,12 @@ const initEnvironmentConfigs = (
             ...(mergeRsbuildConfig(
               {
                 ...rsbuildSharedConfig,
-                dev: {
-                  assetPrefix,
-                  lazyCompilation,
-                },
+                dev: pick(dev, [
+                  'hmr',
+                  'assetPrefix',
+                  'progressBar',
+                  'lazyCompilation',
+                ]),
               } as unknown as MergedEnvironmentConfig,
               config as unknown as MergedEnvironmentConfig,
             ) as unknown as MergedEnvironmentConfig),
@@ -139,10 +140,7 @@ const initEnvironmentConfigs = (
   return {
     [defaultEnvironmentName]: applyEnvironmentDefaultConfig({
       ...rsbuildSharedConfig,
-      dev: {
-        assetPrefix,
-        lazyCompilation,
-      },
+      dev: pick(dev, ['hmr', 'assetPrefix', 'progressBar', 'lazyCompilation']),
     } as MergedEnvironmentConfig),
   };
 };
@@ -176,7 +174,13 @@ export async function initRsbuildConfig({
   );
 
   const {
-    dev: { assetPrefix, lazyCompilation, ...rsbuildSharedDev },
+    dev: {
+      hmr,
+      assetPrefix,
+      progressBar,
+      lazyCompilation,
+      ...rsbuildSharedDev
+    },
     server,
   } = normalizeBaseConfig;
 

packages/core/src/types/config.ts

@@ -1240,7 +1240,10 @@ export interface EnvironmentConfig {
   /**
    * Options for local development.
    */
-  dev?: Pick<DevConfig, 'assetPrefix' | 'lazyCompilation' | 'progressBar'>;
+  dev?: Pick<
+    DevConfig,
+    'hmr' | 'assetPrefix' | 'progressBar' | 'lazyCompilation'
+  >;
   /**
    * Options for HTML generation.
    */
@@ -1318,7 +1321,7 @@ export type MergedEnvironmentConfig = {
   root: string;
   dev: Pick<
     NormalizedDevConfig,
-    'assetPrefix' | 'lazyCompilation' | 'progressBar'
+    'hmr' | 'assetPrefix' | 'progressBar' | 'lazyCompilation'
   >;
   html: NormalizedHtmlConfig;
   tools: NormalizedToolsConfig;

packages/core/tests/__snapshots__/environments.test.ts.snap

@@ -263,7 +263,6 @@ exports[`environment config > should print environment config when inspect confi
         "reconnect": 100,
       },
       "hmr": true,
-      "lazyCompilation": undefined,
       "liveReload": true,
       "writeToDisk": false,
     },
@@ -421,7 +420,6 @@ exports[`environment config > should print environment config when inspect confi
         "reconnect": 100,
       },
       "hmr": true,
-      "lazyCompilation": undefined,
       "liveReload": true,
       "writeToDisk": false,
     },
@@ -597,7 +595,6 @@ exports[`environment config > should support modify environment config by api.mo
         "reconnect": 100,
       },
       "hmr": true,
-      "lazyCompilation": undefined,
       "liveReload": true,
       "writeToDisk": false,
     },
@@ -756,7 +753,6 @@ exports[`environment config > should support modify environment config by api.mo
         "reconnect": 100,
       },
       "hmr": true,
-      "lazyCompilation": undefined,
       "liveReload": true,
       "writeToDisk": false,
     },
@@ -916,7 +912,6 @@ exports[`environment config > should support modify environment config by api.mo
         "reconnect": 100,
       },
       "hmr": true,
-      "lazyCompilation": undefined,
       "liveReload": true,
       "writeToDisk": false,
     },
@@ -1079,7 +1074,6 @@ exports[`environment config > should support modify single environment config by
         "reconnect": 100,
       },
       "hmr": true,
-      "lazyCompilation": undefined,
       "liveReload": true,
       "writeToDisk": false,
     },
@@ -1238,7 +1232,6 @@ exports[`environment config > should support modify single environment config by
         "reconnect": 100,
       },
       "hmr": true,
-      "lazyCompilation": undefined,
       "liveReload": true,
       "writeToDisk": false,
     },
@@ -1390,7 +1383,7 @@ exports[`environment config > should support modify single environment config by
 }
 `;
 
-exports[`environment config > tools.rspack / bundlerChain can be used in environment config 1`] = `
+exports[`environment config > tools.rspack / bundlerChain can be configured in environment config 1`] = `
 [
   {
     "context": "<ROOT>",

packages/core/tests/environments.test.ts

@@ -1,4 +1,5 @@
 import { join } from 'node:path';
+import { matchPlugin } from '@scripts/test-helper';
 import { type RsbuildPlugin, createRsbuild } from '../src';
 
 describe('environment config', () => {
@@ -327,7 +328,7 @@ describe('environment config', () => {
     expect(environmentConfigs).toMatchSnapshot();
   });
 
-  it('tools.rspack / bundlerChain can be used in environment config', async () => {
+  it('tools.rspack / bundlerChain can be configured in environment config', async () => {
     const rsbuild = await createRsbuild({
       rsbuildConfig: {
         tools: {
@@ -366,4 +367,28 @@ describe('environment config', () => {
     const configs = await rsbuild.initConfigs();
     expect(configs).toMatchSnapshot();
   });
+
+  it('dev.hmr can be configured in environment config', async () => {
+    const rsbuild = await createRsbuild({
+      rsbuildConfig: {
+        environments: {
+          web: {
+            dev: {
+              hmr: false,
+            },
+          },
+          web2: {
+            dev: {
+              hmr: true,
+            },
+          },
+        },
+      },
+    });
+
+    const configs = await rsbuild.initConfigs();
+
+    expect(matchPlugin(configs[0], 'HotModuleReplacementPlugin')).toBeFalsy();
+    expect(matchPlugin(configs[1], 'HotModuleReplacementPlugin')).toBeTruthy();
+  });
 });

website/docs/en/config/environments.mdx

@@ -8,7 +8,10 @@ Rsbuild supports building outputs for multiple environments. You can use `enviro
 
 ```ts
 interface EnvironmentConfig {
-  dev?: Pick<DevConfig, 'assetPrefix' | 'lazyCompilation' | 'progressBar'>;
+  dev?: Pick<
+    DevConfig,
+    'hmr' | 'assetPrefix' | 'progressBar' | 'lazyCompilation'
+  >;
   html?: HtmlConfig;
   tools?: ToolsConfig;
   source?: SourceConfig;

website/docs/zh/config/environments.mdx

@@ -8,7 +8,10 @@ Rsbuild 支持同时为多个环境构建产物。你可以使用 `environments`
 
 ```ts
 interface EnvironmentConfig {
-  dev?: Pick<DevConfig, 'assetPrefix' | 'lazyCompilation' | 'progressBar'>;
+  dev?: Pick<
+    DevConfig,
+    'hmr' | 'assetPrefix' | 'progressBar' | 'lazyCompilation'
+  >;
   html?: HtmlConfig;
   tools?: ToolsConfig;
   source?: SourceConfig;