[forgive] Init

.gitignore

@@ -37,3 +37,4 @@ packages/react-devtools-fusebox/dist
 packages/react-devtools-inline/dist
 packages/react-devtools-shell/dist
 packages/react-devtools-timeline/dist
+

compiler/.gitignore

@@ -21,4 +21,8 @@ dist
 .spr.yml
 testfilter.txt
 
-bundle-oss.sh
+bundle-oss.sh
+
+# forgive
+*.vsix
+.vscode-test

compiler/package.json

@@ -26,11 +26,11 @@
     "react-is": "0.0.0-experimental-4beb1fd8-20241118"
   },
   "devDependencies": {
-    "@rollup/plugin-commonjs": "^25.0.7",
+    "@rollup/plugin-commonjs": "^28.0.2",
     "@rollup/plugin-json": "^6.1.0",
-    "@rollup/plugin-node-resolve": "^15.2.3",
+    "@rollup/plugin-node-resolve": "^16.0.0",
     "@rollup/plugin-terser": "^0.4.4",
-    "@rollup/plugin-typescript": "^11.1.6",
+    "@rollup/plugin-typescript": "^12.1.2",
     "@tsconfig/strictest": "^2.0.5",
     "concurrently": "^7.4.0",
     "folder-hash": "^4.0.4",

compiler/packages/babel-plugin-react-compiler/package.json

@@ -42,6 +42,7 @@
     "babel-jest": "^29.0.3",
     "babel-plugin-fbt": "^1.0.0",
     "babel-plugin-fbt-runtime": "^1.0.0",
+    "cosmiconfig": "^9.0.0",
     "eslint": "^8.57.1",
     "invariant": "^2.2.4",
     "jest": "^29.0.3",

compiler/packages/babel-plugin-react-compiler/rollup.config.js

@@ -24,6 +24,7 @@ const DEV_ROLLUP_CONFIG = {
     format: 'cjs',
     sourcemap: false,
     exports: 'named',
+    inlineDynamicImports: true,
   },
   plugins: [
     typescript({

compiler/packages/babel-plugin-react-compiler/src/Babel/BabelPlugin.ts

@@ -6,7 +6,12 @@
  */
 
 import type * as BabelCore from '@babel/core';
-import {compileProgram, parsePluginOptions} from '../Entrypoint';
+import {
+  compileProgram,
+  findReactConfig,
+  parsePluginOptions,
+  type PluginOptions,
+} from '../Entrypoint';
 import {
   injectReanimatedFlag,
   pipelineUsesReanimatedPlugin,
@@ -29,7 +34,18 @@ export default function BabelPluginReactCompiler(
        * want Forget to run true to source as possible.
        */
       Program(prog, pass): void {
-        let opts = parsePluginOptions(pass.opts);
+        const reactConfig = findReactConfig();
+        let opts: PluginOptions | null = null;
+        if (reactConfig != null) {
+          opts = parsePluginOptions(reactConfig.config);
+          if (pass.opts != null) {
+            console.warn(
+              `Duplicate React Compiler config found, defaulting to reactrc found in: ${reactConfig.filepath}`,
+            );
+          }
+        } else {
+          opts = parsePluginOptions(pass.opts);
+        }
         const isDev =
           (typeof __DEV__ !== 'undefined' && __DEV__ === true) ||
           process.env['NODE_ENV'] === 'development';

compiler/packages/babel-plugin-react-compiler/src/Entrypoint/Options.ts

@@ -16,6 +16,7 @@ import {
 import {hasOwnProperty} from '../Utils/utils';
 import {fromZodError} from 'zod-validation-error';
 import {CompilerPipelineValue} from './Pipeline';
+import {type CosmiconfigResult, cosmiconfigSync} from 'cosmiconfig';
 
 const PanicThresholdOptionsSchema = z.enum([
   /*
@@ -286,3 +287,11 @@ export function parseTargetConfig(value: unknown): CompilerReactTarget {
 function isCompilerFlag(s: string): s is keyof PluginOptions {
   return hasOwnProperty(defaultOptions, s);
 }
+
+export function findReactConfig(): CosmiconfigResult {
+  const explorerSync = cosmiconfigSync('react', {
+    searchStrategy: 'project',
+    cache: true,
+  });
+  return explorerSync.search();
+}

compiler/packages/eslint-plugin-react-compiler/rollup.config.js

@@ -29,6 +29,7 @@ const DEV_ROLLUP_CONFIG = {
     file: 'dist/index.js',
     format: 'cjs',
     sourcemap: false,
+    inlineDynamicImports: true,
   },
   treeshake: {
     moduleSideEffects: false,

compiler/packages/react-compiler-healthcheck/rollup.config.js

@@ -33,6 +33,7 @@ const DEV_ROLLUP_CONFIG = {
     format: 'cjs',
     sourcemap: false,
     exports: 'named',
+    inlineDynamicImports: true,
   },
   plugins: [
     typescript({

compiler/packages/react-compiler-runtime/rollup.config.js

@@ -21,6 +21,7 @@ const PROD_ROLLUP_CONFIG = {
     file: 'dist/index.js',
     format: 'cjs',
     sourcemap: true,
+    inlineDynamicImports: true,
   },
   plugins: [
     typescript({

compiler/packages/react-forgive/.vscode-test.mjs

@@ -0,0 +1,3 @@
+import {defineConfig} from '@vscode/test-cli';
+
+export default defineConfig({files: 'dist/test/**/*.test.js'});

compiler/packages/react-forgive/.vscodeignore

@@ -0,0 +1,3 @@
+**/node_modules
+client
+server

compiler/packages/react-forgive/.yarnrc

@@ -0,0 +1 @@
+ignore-engines true

compiler/packages/react-forgive/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) Meta Platforms, Inc. and affiliates.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

compiler/packages/react-forgive/client/package.json

@@ -0,0 +1,22 @@
+{
+  "private": "true",
+  "name": "react-forgive-client",
+  "version": "0.0.0",
+  "description": "Experimental LSP client",
+  "license": "MIT",
+  "scripts": {
+    "build": "echo 'no build'",
+    "test": "echo 'no tests'"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/facebook/react.git",
+    "directory": "compiler/packages/react-forgive"
+  },
+  "dependencies": {
+    "vscode-languageclient": "^9.0.1"
+  },
+  "devDependencies": {
+    "@types/vscode": "^1.95.0"
+  }
+}

compiler/packages/react-forgive/client/src/extension.ts

@@ -0,0 +1,62 @@
+import * as path from 'path';
+import {ExtensionContext, window as Window} from 'vscode';
+
+import {
+  LanguageClient,
+  LanguageClientOptions,
+  ServerOptions,
+  TransportKind,
+} from 'vscode-languageclient/node';
+
+let client: LanguageClient;
+
+export function activate(context: ExtensionContext) {
+  const serverModule = context.asAbsolutePath(path.join('dist', 'server.js'));
+
+  // If the extension is launched in debug mode then the debug server options are used
+  // Otherwise the run options are used
+  const serverOptions: ServerOptions = {
+    run: {
+      module: serverModule,
+      transport: TransportKind.ipc,
+      options: {cwd: process.cwd()},
+    },
+    debug: {
+      module: serverModule,
+      transport: TransportKind.ipc,
+      options: {cwd: process.cwd()},
+    },
+  };
+
+  const clientOptions: LanguageClientOptions = {
+    documentSelector: [
+      {scheme: 'file', language: 'javascriptreact'},
+      {scheme: 'file', language: 'typescriptreact'},
+    ],
+    progressOnInitialization: true,
+  };
+
+  // Create the language client and start the client.
+  try {
+    client = new LanguageClient(
+      'react-forgive',
+      'React Analyzer',
+      serverOptions,
+      clientOptions,
+    );
+  } catch {
+    Window.showErrorMessage(
+      `React Analyzer couldn't be started. See the output channel for details.`,
+    );
+    return;
+  }
+
+  client.registerProposedFeatures();
+  client.start();
+}
+
+export function deactivate(): Thenable<void> | undefined {
+  if (client !== undefined) {
+    return client.stop();
+  }
+}

compiler/packages/react-forgive/client/yarn.lock

@@ -0,0 +1,59 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@types/vscode@^1.95.0":
+  version "1.96.0"
+  resolved "https://registry.yarnpkg.com/@types/vscode/-/vscode-1.96.0.tgz#3181004bf25d71677ae4aacdd7605a3fd7edf08e"
+  integrity sha512-qvZbSZo+K4ZYmmDuaodMbAa67Pl6VDQzLKFka6rq+3WUTY4Kro7Bwoi0CuZLO/wema0ygcmpwow7zZfPJTs5jg==
+
+balanced-match@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.2.tgz#e83e3a7e3f300b34cb9d87f615fa0cbf357690ee"
+  integrity sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==
+
+brace-expansion@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-2.0.1.tgz#1edc459e0f0c548486ecf9fc99f2221364b9a0ae"
+  integrity sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==
+  dependencies:
+    balanced-match "^1.0.0"
+
+minimatch@^5.1.0:
+  version "5.1.6"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-5.1.6.tgz#1cfcb8cf5522ea69952cd2af95ae09477f122a96"
+  integrity sha512-lKwV/1brpG6mBUFHtb7NUmtABCb2WZZmm2wNiOA5hAb8VdCS4B3dtMWyvcoViccwAW/COERjXLt0zP1zXUN26g==
+  dependencies:
+    brace-expansion "^2.0.1"
+
+semver@^7.3.7:
+  version "7.6.3"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.6.3.tgz#980f7b5550bc175fb4dc09403085627f9eb33143"
+  integrity sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==
+
+[email protected]:
+  version "8.2.0"
+  resolved "https://registry.yarnpkg.com/vscode-jsonrpc/-/vscode-jsonrpc-8.2.0.tgz#f43dfa35fb51e763d17cd94dcca0c9458f35abf9"
+  integrity sha512-C+r0eKJUIfiDIfwJhria30+TYWPtuHJXHtI7J0YlOmKAo7ogxP20T0zxB7HZQIFhIyvoBPwWskjxrvAtfjyZfA==
+
+vscode-languageclient@^9.0.1:
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/vscode-languageclient/-/vscode-languageclient-9.0.1.tgz#cdfe20267726c8d4db839dc1e9d1816e1296e854"
+  integrity sha512-JZiimVdvimEuHh5olxhxkht09m3JzUGwggb5eRUkzzJhZ2KjCN0nh55VfiED9oez9DyF8/fz1g1iBV3h+0Z2EA==
+  dependencies:
+    minimatch "^5.1.0"
+    semver "^7.3.7"
+    vscode-languageserver-protocol "3.17.5"
+
+[email protected]:
+  version "3.17.5"
+  resolved "https://registry.yarnpkg.com/vscode-languageserver-protocol/-/vscode-languageserver-protocol-3.17.5.tgz#864a8b8f390835572f4e13bd9f8313d0e3ac4bea"
+  integrity sha512-mb1bvRJN8SVznADSGWM9u/b07H7Ecg0I3OgXDuLdn307rl/J3A9YD6/eYOssqhecL27hK1IPZAsaqh00i/Jljg==
+  dependencies:
+    vscode-jsonrpc "8.2.0"
+    vscode-languageserver-types "3.17.5"
+
+[email protected]:
+  version "3.17.5"
+  resolved "https://registry.yarnpkg.com/vscode-languageserver-types/-/vscode-languageserver-types-3.17.5.tgz#3273676f0cf2eab40b3f44d085acbb7f08a39d8a"
+  integrity sha512-Ld1VelNuX9pdF39h2Hgaeb5hEZM2Z3jUrrMgWQAu82jMtZp7p3vJT3BzToKtZI7NgQssZje5o0zryOrhQvzQAg==

compiler/packages/react-forgive/package.json

@@ -0,0 +1,64 @@
+{
+  "name": "react-forgive",
+  "displayName": "React Analyzer",
+  "description": "React LSP",
+  "license": "MIT",
+  "version": "0.0.0",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/facebook/react.git",
+    "directory": "compiler/packages/react-forgive"
+  },
+  "categories": [
+    "Programming Languages"
+  ],
+  "keywords": [
+    "react",
+    "react analyzer",
+    "react compiler"
+  ],
+  "publisher": "Meta",
+  "engines": {
+    "vscode": "^1.75.0"
+  },
+  "activationEvents": [
+    "onLanguage:javascriptreact",
+    "onLanguage:typescriptreact"
+  ],
+  "main": "./dist/extension.js",
+  "contributes": {
+    "commands": [
+      {
+        "command": "react-forgive.toggleAll",
+        "title": "React Analyzer: Toggle on/off"
+      }
+    ]
+  },
+  "scripts": {
+    "build": "yarn run compile",
+    "compile": "rimraf dist && concurrently -n server,client \"yarn run esbuild:server --sourcemap\" \"yarn run esbuild:client --sourcemap\"",
+    "dev": "yarn run package && yarn run install-ext",
+    "esbuild:client": "esbuild ./client/src/extension.ts --bundle --outfile=dist/extension.js --external:vscode --format=cjs --platform=node",
+    "esbuild:server": "esbuild ./server/src/index.ts --bundle --outfile=dist/server.js --external:vscode --format=cjs --platform=node",
+    "install-ext": "code --install-extension react-forgive-0.0.0.vsix",
+    "lint": "echo 'no tests'",
+    "package": "rm -f react-forgive-0.0.0.vsix && vsce package --yarn",
+    "postinstall": "cd client && yarn install && cd ../server && yarn install && cd ..",
+    "pretest": "yarn run compile && yarn run lint",
+    "test": "vscode-test",
+    "vscode:prepublish": "yarn run compile",
+    "watch": "concurrently --kill-others -n server,client \"run esbuild:server --sourcemap --watch\" \"run esbuild:client --sourcemap --watch\""
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.13.0",
+    "@types/mocha": "^10.0.10",
+    "@types/node": "^20",
+    "@types/vscode": "^1.96.0",
+    "@vscode/test-cli": "^0.0.10",
+    "@vscode/test-electron": "^2.4.1",
+    "esbuild": "^0.24.0",
+    "eslint": "^9.13.0",
+    "mocha": "^11.0.1",
+    "typescript-eslint": "^8.16.0"
+  }
+}

compiler/packages/react-forgive/server/package.json

@@ -0,0 +1,27 @@
+{
+  "private": "true",
+  "name": "react-forgive-server",
+  "version": "0.0.0",
+  "description": "Experimental LSP server",
+  "license": "MIT",
+  "main": "dist/index.js",
+  "scripts": {
+    "build": "rimraf dist && rollup --config --bundleConfigAsCjs",
+    "test": "echo 'no tests'"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/facebook/react.git",
+    "directory": "compiler/packages/react-forgive"
+  },
+  "dependencies": {
+    "@babel/core": "^7.26.0",
+    "@babel/parser": "^7.26.0",
+    "@babel/plugin-syntax-typescript": "^7.25.9",
+    "@babel/types": "^7.26.0",
+    "cosmiconfig": "^9.0.0",
+    "prettier": "^3.3.3",
+    "vscode-languageserver": "^9.0.1",
+    "vscode-languageserver-textdocument": "^1.0.12"
+  }
+}