create separate lint calls for different subfolders & exclude them fr…

…om eslint ignore to enable ide highlights

.eslintignore

@@ -1,18 +1,18 @@
 **/node_modules/*
+parser/react-native-live-markdown-parser.js
 
 # any js file inside android and ios folders
-android/**/*.js
-ios/**/*.js
-
-# Ignore all files inside subproject folders 
-example/**/*
-WebExample/**/*
-parser/**/*
+**/android/**/*.js
+**/ios/**/*.js
 
 # Output of the build process & scripts
 lib/**/*
 scripts/**/*
 
 babel.config.js
+metro.config.js
+react-native.config.js
+jest.config.js
+webpack.config.js
 .eslintrc.js
 .prettierrc.js

.eslintrc.js

@@ -4,6 +4,9 @@ module.exports = {
     project: true,
     tsconfigRootDir: __dirname,
   },
+  env: {
+    jest: true,
+  },
   extends: [
     'expensify',
     'plugin:@typescript-eslint/recommended-type-checked',
@@ -46,7 +49,6 @@ module.exports = {
       "error",
       "ignorePackages",
       {
-        "js": "never",
         "jsx": "never",
         "ts": "never",
         "tsx": "never"

example/src/App.tsx

@@ -26,7 +26,7 @@ function getPlatform() {
   }
   // @ts-expect-error it works
   // eslint-disable-next-line @typescript-eslint/no-unsafe-return
-  return Platform.constants.systemName || Platform.constants.Brand;
+  return Platform.constants.systemName ?? Platform.constants.Brand;
 }
 
 function getPlatformVersion() {

example/tsconfig.json

@@ -3,6 +3,6 @@
   "compilerOptions": {
     "strict": true
   },
-  "include": ["src/App.tsx"],
+  "include": ["src/App.tsx", "./index.ts"],
   "exclude": ["node_modules"]
 }

package.json

@@ -31,6 +31,10 @@
     "test": "jest",
     "typecheck": "tsc --noEmit",
     "lint": "eslint . --ext .js,.ts,.tsx",
+    "lint:root": "eslint . --ext .js,.ts,.tsx --ignore-pattern '/example/**/*' --ignore-pattern '/WebExample/**/*' --ignore-pattern '/parser/**/*'",
+    "lint:example": "eslint example --ext .js,.ts,.tsx",
+    "lint:parser": "eslint parser --ext .js,.ts,.tsx",
+    "lint:web": "eslint WebExample --ext .js,.ts,.tsx",
     "clean": "del-cli android/build example/android/build example/android/app/build example/ios/build lib",
     "prepare": "bob build",
     "release": "release-it"