build: single ESM build with .js extensions, removed mjs dual-build

- Removed dual CJS/ESM build (lib/mjs/ directory)
- Single ESM build with automatic .js extension injection via sed
- Updated tsconfig.json to fix TypeScript 6.0 deprecation warnings
- Removed mjs references from documentation
- Version bumped to 2.9.0-beta.4

Author: darianstlex

README.md

@@ -13,8 +13,6 @@ $ npm install efx-forms
 Peer dependencies - library depends on:
 > react effector effector-react lodash
 
-#### mjs build included
-
 ## Main Components
 
 ### Form / Field

docs-site/docs/contributing.md

@@ -23,16 +23,17 @@ npm install
 
 ### Build
 
-Build the library (CJS + ESM):
+Build the library:
 
 ```bash
 npm run build
 ```
 
 This command:
 1. Cleans the `lib/` directory
-2. Compiles TypeScript
-3. Runs `npmize` to create the ESM build in `lib/mjs/`
+2. Compiles TypeScript to ESM
+3. Adds `.js` extensions to relative imports for ESM compatibility
+4. Copies package metadata to `lib/`
 
 ## Running Tests
 

docs-site/docs/installation.md

@@ -41,14 +41,7 @@ Once installed, you can import EFX-Forms components in your React components:
 import { Form, Field } from 'efx-forms';
 ```
 
-## Build Variants
-
-EFX-Forms ships with both CommonJS and ES Modules builds:
-
-- **CommonJS**: Default import from `'efx-forms'`
-- **ESM**: Available in the `lib/mjs/` directory for modern bundlers
-
-No additional configuration is needed - your bundler will automatically pick the appropriate build.
+ESM build with `.js` extensions is automatically generated for compatibility with modern bundlers.
 
 ## Next Steps
 

npmize

@@ -2,8 +2,8 @@
 
 shopt -s extglob
 
-mkdir -p lib/mjs
-cp -r lib/!(mjs) lib/mjs
+#mkdir -p lib/mjs
+#cp -r lib/!(mjs) lib/mjs
 
 cp package.json lib
 cp README.md lib
@@ -12,8 +12,8 @@ cp LICENSE lib
 npx json -f lib/package.json -I -e "delete this.devDependencies"
 npx json -f lib/package.json -I -e "delete this.scripts"
 
-cat >lib/mjs/package.json <<!EOF
-{
-    "type": "module"
-}
-!EOF
+#cat >lib/mjs/package.json <<!EOF
+#{
+#    "type": "module"
+#}
+#!EOF

package-lock.json

@@ -50,7 +50,7 @@
   "peerDependencies": {
     "effector": ">=23.0.0 <24.0.0",
     "effector-react": ">=23.0.0 <24.0.0",
-    "lodash": "^4.17.0",
+    "lodash": "^4.18.1",
     "react": ">=16.8.0 <20.0.0"
   }
 }

package.json

@@ -8,15 +8,15 @@
     "forceConsistentCasingInFileNames": true,
     "jsx": "react-jsx",
     "lib": ["es6", "dom", "es2016", "es2017", "esnext"],
-    "moduleResolution": "node",
+    "moduleResolution": "bundler",
     "noImplicitAny": false,
     "pretty": true,
     "rootDir": "src",
     "skipLibCheck": true,
     "strict": true,
     "outDir": "lib",
     "module": "esnext",
-    "target": "es5"
+    "target": "es2015"
   },
   "include": ["src/**/*.ts", "src/**/*.tsx"],
   "exclude": ["node_modules", "lib", "src/tests/**/*"]