Enable TypeScript in eslint-plugin-react-forget

compiler/forget/packages/eslint-plugin-react-forget/babel.config.js

@@ -5,4 +5,4 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-module.exports = { presets: ["@babel/preset-env"] };
+module.exports = { presets: ["@babel/preset-env", "@babel/preset-typescript"] };

compiler/forget/packages/eslint-plugin-react-forget/package.json

@@ -10,17 +10,18 @@
   "main": "./lib/index.js",
   "exports": "./lib/index.js",
   "scripts": {
-    "build": ":",
+    "build": "tsc",
     "lint": "npm-run-all \"lint:*\"",
     "lint:eslint-docs": "npm-run-all \"update:eslint-docs -- --check\"",
     "lint:js": "eslint .",
-    "test": "jest",
+    "test": "tsc && jest",
     "update:eslint-docs": "eslint-doc-generator"
   },
   "dependencies": {},
   "devDependencies": {
     "@babel/preset-env": "^7.22.4",
     "@babel/preset-typescript": "^7.18.6",
+    "@types/node": "^20.2.5",
     "babel-jest": "^29.0.3",
     "eslint": "^8.19.0",
     "eslint-doc-generator": "^1.0.0",

compiler/forget/packages/eslint-plugin-react-forget/src/index.ts

@@ -9,6 +9,6 @@ import ReactForgetDiagnostics from "./rules/ReactForgetDiagnostics";
 
 module.exports = {
   rules: {
-    "react-forget-diagnoatics": ReactForgetDiagnostics,
+    "react-forget-diagnostics": ReactForgetDiagnostics,
   },
 };

compiler/forget/packages/eslint-plugin-react-forget/src/rules/ReactForgetDiagnostics.ts

@@ -5,7 +5,9 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-export default {
+import type { Rule } from "eslint";
+
+const rule: Rule.RuleModule = {
   meta: {
     type: "problem",
     docs: {
@@ -13,7 +15,9 @@ export default {
       recommended: true,
     },
   },
-  create(context) {
+  create(_context: Rule.RuleContext) {
     return {};
   },
 };
+
+export default rule;

compiler/forget/packages/eslint-plugin-react-forget/tsconfig.json

@@ -0,0 +1,20 @@
+{
+  "extends": "@tsconfig/node16-strictest/tsconfig.json",
+  "compilerOptions": {
+    "declaration": true,
+    "outDir": "dist",
+    "jsx": "react-jsxdev",
+
+    // weaken strictness from preset
+    "importsNotUsedAsValues": "remove",
+    "noUncheckedIndexedAccess": false,
+    "noUnusedParameters": false,
+    "useUnknownInCatchVariables": false,
+    "target": "ES2015",
+    // ideally turn off only during dev, or on a per-file basis
+    "noUnusedLocals": false,
+    "sourceMap": true
+  },
+  "exclude": ["node_modules"],
+  "include": ["src/**/*.ts"]
+}