feat(plugin-vite): upgrade to vite@5

.gitignore

@@ -1,3 +1,4 @@
+.DS_Store
 .nyc_output
 *.lcov
 /coverage

package.json

@@ -23,9 +23,10 @@
     "lint:fix": "prettier --write .",
     "link:prepare": "lerna exec -- node ../../../tools/silent.js yarn link --silent --no-bin-links --link-folder ../../../.links",
     "link:remove": "lerna exec -- node ../../../tools/silent.js yarn unlink --silent --no-bin-links --link-folder ../../../.links",
-    "test": "xvfb-maybe cross-env NODE_ENV=test TS_NODE_PROJECT='./tsconfig.test.json' TS_NODE_FILES=1 mocha",
+    "test": "npm run test:clear && xvfb-maybe cross-env NODE_ENV=test TS_NODE_PROJECT='./tsconfig.test.json' TS_NODE_FILES=1 mocha",
     "test:fast": "npm run test -- --suite=fast",
     "test:slow": "npm run test -- --suite=slow",
+    "test:clear": "ts-node tools/test-clear",
     "postinstall": "rimraf node_modules/.bin/*.ps1 && ts-node ./tools/gen-tsconfigs.ts && ts-node ./tools/gen-ts-glue.ts",
     "prepare": "husky install",
     "preversion": "yarn build"
@@ -74,7 +75,7 @@
     "source-map-support": "^0.5.13",
     "sudo-prompt": "^9.1.1",
     "username": "^5.1.0",
-    "vite": "^4.5.1",
+    "vite": "^5.0.12",
     "webpack": "^5.69.1",
     "webpack-dev-server": "^4.0.0",
     "webpack-merge": "^5.7.3",

packages/plugin/vite/package.json

@@ -14,28 +14,28 @@
   "scripts": {
     "test": "xvfb-maybe mocha --config ../../../.mocharc.js test/**/*_spec.ts test/*_spec.ts"
   },
+  "dependencies": {
+    "@electron-forge/core-utils": "7.2.0",
+    "@electron-forge/plugin-base": "7.2.0",
+    "@electron-forge/shared-types": "7.2.0",
+    "@electron-forge/web-multi-logger": "7.2.0",
+    "chalk": "^4.0.0",
+    "debug": "^4.3.1",
+    "fs-extra": "^10.0.0"
+  },
   "devDependencies": {
     "@electron/packager": "^18.1.2",
     "@malept/cross-spawn-promise": "^2.0.0",
     "@types/node": "^18.0.3",
     "chai": "^4.3.3",
     "mocha": "^9.0.1",
+    "vite": "^5.0.12",
     "which": "^2.0.2",
     "xvfb-maybe": "^0.2.1"
   },
   "engines": {
     "node": ">= 16.4.0"
   },
-  "dependencies": {
-    "@electron-forge/core-utils": "7.2.0",
-    "@electron-forge/plugin-base": "7.2.0",
-    "@electron-forge/shared-types": "7.2.0",
-    "@electron-forge/web-multi-logger": "7.2.0",
-    "chalk": "^4.0.0",
-    "debug": "^4.3.1",
-    "fs-extra": "^10.0.0",
-    "vite": "^4.5.1"
-  },
   "publishConfig": {
     "access": "public"
   },

packages/plugin/vite/src/Config.ts

@@ -1,3 +1,4 @@
+// eslint-disable-next-line node/no-unpublished-import
 import type { LibraryOptions } from 'vite';
 
 export interface VitePluginBuildConfig {
@@ -8,27 +9,31 @@ export interface VitePluginBuildConfig {
   /**
    * Vite config file path.
    */
-  config?: string;
+  config: string;
 }
 
 export interface VitePluginRendererConfig {
   /**
-   * Human friendly name of your entry point
+   * Human friendly name of your entry point.
    */
-  name: string;
+  name?: string;
   /**
    * Vite config file path.
    */
   config: string;
 }
 
 export interface VitePluginConfig {
+  // Reserved option, may support modification in the future.
+  // @defaultValue '.vite'
+  // baseDir?: string;
+
   /**
    * Build anything such as Main process, Preload scripts and Worker process, etc.
    */
   build: VitePluginBuildConfig[];
   /**
-   * Renderer process.
+   * Renderer process Vite configs.
    */
   renderer: VitePluginRendererConfig[];
 }

packages/plugin/vite/src/ViteConfig.ts

@@ -1,36 +1,33 @@
-import path from 'node:path';
-
 import debug from 'debug';
-import { ConfigEnv, loadConfigFromFile, mergeConfig, UserConfig } from 'vite';
-
-import { VitePluginConfig } from './Config';
-import { externalBuiltins } from './util/plugins';
+// eslint-disable-next-line node/no-unpublished-import
+import { loadConfigFromFile } from 'vite';
 
-const d = debug('electron-forge:plugin:vite:viteconfig');
+import type { VitePluginBuildConfig, VitePluginConfig, VitePluginRendererConfig } from './Config';
+// eslint-disable-next-line node/no-unpublished-import
+import type { ConfigEnv, UserConfig } from 'vite';
 
-/**
- * Vite allows zero-config runs, if the user does not provide `vite.config.js`,
- * then the value of `LoadResult` will become `null`.
- */
-export type LoadResult = Awaited<ReturnType<typeof loadConfigFromFile>>;
+const d = debug('@electron-forge/plugin-vite:ViteConfig');
 
 export default class ViteConfigGenerator {
-  private readonly baseDir: string;
-
-  private rendererConfigCache!: Promise<UserConfig>[];
-
   constructor(private readonly pluginConfig: VitePluginConfig, private readonly projectDir: string, private readonly isProd: boolean) {
-    this.baseDir = path.join(projectDir, '.vite');
     d('Config mode:', this.mode);
   }
 
-  resolveConfig(config: string, configEnv: Partial<ConfigEnv> = {}) {
-    // `command` is to be passed as an arguments when the user export a function in `vite.config.js`.
+  resolveConfig(buildConfig: VitePluginBuildConfig | VitePluginRendererConfig, configEnv: Partial<ConfigEnv> = {}) {
     // @see - https://vitejs.dev/config/#conditional-config
     configEnv.command ??= this.isProd ? 'build' : 'serve';
-    // `mode` affects `.env.[mode]` file loading.
+    // `mode` affects `.env.[mode]` file load.
     configEnv.mode ??= this.mode;
-    return loadConfigFromFile(configEnv as ConfigEnv, config);
+
+    // Hack! Pass the forge runtime config to the vite config file in the template.
+    Object.assign(configEnv, {
+      root: this.projectDir,
+      forgeConfig: this.pluginConfig,
+      forgeConfigSelf: buildConfig,
+    });
+
+    // `configEnv` is to be passed as an arguments when the user export a function in `vite.config.js`.
+    return loadConfigFromFile(configEnv as ConfigEnv, buildConfig.config);
   }
 
   get mode(): string {
@@ -40,61 +37,15 @@ export default class ViteConfigGenerator {
     return this.isProd ? 'production' : 'development';
   }
 
-  async getDefines(): Promise<Record<string, string>> {
-    const defines: Record<string, any> = {};
-    const rendererConfigs = await this.getRendererConfig();
-    for (const [index, userConfig] of rendererConfigs.entries()) {
-      const name = this.pluginConfig.renderer[index].name;
-      if (!name) {
-        continue;
-      }
-      const NAME = name.toUpperCase().replace(/ /g, '_');
-      // `server.port` is set in `launchRendererDevServers` in `VitePlugin.ts`.
-      defines[`${NAME}_VITE_DEV_SERVER_URL`] = this.isProd ? undefined : JSON.stringify(`http://localhost:${userConfig?.server?.port}`);
-      defines[`${NAME}_VITE_NAME`] = JSON.stringify(name);
-    }
-    return defines;
-  }
-
-  async getBuildConfig(watch = false): Promise<UserConfig[]> {
+  async getBuildConfig(): Promise<UserConfig[]> {
     if (!Array.isArray(this.pluginConfig.build)) {
       throw new Error('"config.build" must be an Array');
     }
 
-    const define = await this.getDefines();
-    const plugins = [externalBuiltins()];
     const configs = this.pluginConfig.build
-      .filter(({ entry, config }) => entry || config)
-      .map<Promise<UserConfig>>(async ({ entry, config }) => {
-        const defaultConfig: UserConfig = {
-          // Ensure that each build config loads the .env file correctly.
-          mode: this.mode,
-          build: {
-            lib: entry
-              ? {
-                  entry,
-                  // Electron can only support cjs.
-                  formats: ['cjs'],
-                  fileName: () => '[name].js',
-                }
-              : undefined,
-            // Prevent multiple builds from interfering with each other.
-            emptyOutDir: false,
-            // 🚧 Multiple builds may conflict.
-            outDir: path.join(this.baseDir, 'build'),
-            watch: watch ? {} : undefined,
-            minify: this.isProd,
-          },
-          clearScreen: false,
-          define,
-          plugins,
-        };
-        if (config) {
-          const loadResult = await this.resolveConfig(config);
-          return mergeConfig(defaultConfig, loadResult?.config ?? {});
-        }
-        return defaultConfig;
-      });
+      // Prevent load the default `vite.config.js` file.
+      .filter(({ config }) => config)
+      .map<Promise<UserConfig>>(async (buildConfig) => (await this.resolveConfig(buildConfig))?.config ?? {});
 
     return await Promise.all(configs);
   }
@@ -104,20 +55,9 @@ export default class ViteConfigGenerator {
       throw new Error('"config.renderer" must be an Array');
     }
 
-    const configs = (this.rendererConfigCache ??= this.pluginConfig.renderer.map(async ({ name, config }) => {
-      const defaultConfig: UserConfig = {
-        // Ensure that each build config loads the .env file correctly.
-        mode: this.mode,
-        // Make sure that Electron can be loaded into the local file using `loadFile` after packaging.
-        base: './',
-        build: {
-          outDir: path.join(this.baseDir, 'renderer', name),
-        },
-        clearScreen: false,
-      };
-      const loadResult = (await this.resolveConfig(config)) ?? { path: '', config: {}, dependencies: [] };
-      return mergeConfig(defaultConfig, loadResult.config);
-    }));
+    const configs = this.pluginConfig.renderer
+      .filter(({ config }) => config)
+      .map<Promise<UserConfig>>(async (buildConfig) => (await this.resolveConfig(buildConfig))?.config ?? {});
 
     return await Promise.all(configs);
   }

packages/plugin/vite/src/VitePlugin.ts

@@ -1,19 +1,22 @@
-import { AddressInfo } from 'node:net';
 import path from 'node:path';
 
 import { namedHookWithTaskFn, PluginBase } from '@electron-forge/plugin-base';
-import { ForgeMultiHookMap, ResolvedForgeConfig, StartResult } from '@electron-forge/shared-types';
 import chalk from 'chalk';
 import debug from 'debug';
 import fs from 'fs-extra';
-// eslint-disable-next-line node/no-extraneous-import
-import { RollupWatcher } from 'rollup';
+// eslint-disable-next-line node/no-unpublished-import
 import { default as vite } from 'vite';
 
-import { VitePluginConfig } from './Config';
 import { getFlatDependencies } from './util/package';
+import { onBuildDone } from './util/plugins';
 import ViteConfigGenerator from './ViteConfig';
 
+import type { VitePluginConfig } from './Config';
+import type { ForgeMultiHookMap, ResolvedForgeConfig, StartResult } from '@electron-forge/shared-types';
+import type { AddressInfo } from 'node:net';
+// eslint-disable-next-line node/no-extraneous-import
+import type { RollupWatcher } from 'rollup';
+
 const d = debug('electron-forge:plugin:vite');
 
 export default class VitePlugin extends PluginBase<VitePluginConfig> {
@@ -144,7 +147,7 @@ the generated files). Instead, it is ${JSON.stringify(pj.main)}`);
         {
           title: 'Compiling main process code',
           task: async () => {
-            await this.build(true);
+            await this.build();
           },
           options: {
             showTimer: true,
@@ -156,42 +159,34 @@ the generated files). Instead, it is ${JSON.stringify(pj.main)}`);
   };
 
   // Main process, Preload scripts and Worker process, etc.
-  build = async (watch = false): Promise<void> => {
-    await Promise.all(
-      (
-        await this.configGenerator.getBuildConfig(watch)
-      ).map((userConfig) => {
-        return new Promise<void>((resolve, reject) => {
-          vite
-            .build({
-              // Avoid recursive builds caused by users configuring @electron-forge/plugin-vite in Vite config file.
-              configFile: false,
-              ...userConfig,
-              plugins: [
-                {
-                  name: '@electron-forge/plugin-vite:start',
-                  closeBundle() {
-                    resolve();
-
-                    // TODO: implement hot-restart here
-                  },
-                },
-                ...(userConfig.plugins ?? []),
-              ],
-            })
-            .then((result) => {
-              const isWatcher = (x: any): x is RollupWatcher => typeof x?.close === 'function';
-
-              if (isWatcher(result)) {
-                this.watchers.push(result);
-              }
-
-              return result;
-            })
-            .catch(reject);
-        });
-      })
-    );
+  build = async (): Promise<void> => {
+    const configs = await this.configGenerator.getBuildConfig();
+    const buildTasks: Promise<void>[] = [];
+    const isWatcher = (x: any): x is RollupWatcher => typeof x?.close === 'function';
+
+    for (const userConfig of configs) {
+      const buildTask = new Promise<void>((resolve, reject) => {
+        vite
+          .build({
+            // Avoid recursive builds caused by users configuring @electron-forge/plugin-vite in Vite config file.
+            configFile: false,
+            ...userConfig,
+            plugins: [onBuildDone(resolve), ...(userConfig.plugins ?? [])],
+          })
+          .then((result) => {
+            if (isWatcher(result)) {
+              this.watchers.push(result);
+            }
+
+            return result;
+          })
+          .catch(reject);
+      });
+
+      buildTasks.push(buildTask);
+    }
+
+    await Promise.all(buildTasks);
   };
 
   // Renderer process