migrate to typescript

Signed-off-by: rishichawda <[email protected]>

.eslintignore

@@ -1,3 +1,3 @@
-dist/
-node_modules/
+dist
+node_modules
 webpack.*.js

.eslintrc

@@ -1,9 +1,23 @@
 {
-  "extends": ["rishikc"],
-  "globals": {
-    "cy": true
+  "parser": "@typescript-eslint/parser",
+  "extends": [
+    "plugin:react/recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier/@typescript-eslint",
+    "plugin:prettier/recommended"
+  ],
+  "parserOptions": {
+    "ecmaVersion": 2018,
+    "sourceType": "module",
+    "ecmaFeatures": {
+      "jsx": true
+    }
   },
+  "plugins": ["react", "@typescript-eslint/eslint-plugin", "react-hooks"],
   "settings": {
+    "react": {
+      "version": "detect"
+    },
     "import/resolver": {
       "node": {
         "paths": ["src"]

config/webpack/webpack.common.js

@@ -21,40 +21,30 @@ const statsConfig = {
 }
 
 module.exports = {
-  entry: path.join(process.cwd(), './index.js'),
+  entry: path.join(process.cwd(), 'src/index.tsx'),
   output: {
     path: path.join(process.cwd(), 'dist'),
     filename: 'index.js',
   },
+  resolve: {
+    extensions: [".tsx", ".ts", ".js", ".json"]
+  },
   module: {
     rules: [
       {
-        test: /\.js$/,
-        exclude: /node_modules/,
-        use: {
-          loader: 'babel-loader',
-        },
-      },
-      {
-        test: /\.jsx$/,
-        exclude: /node_modules/,
-        use: {
-          loader: 'babel-loader',
-        },
+        test: /\.tsx?$/,
+        use: ["ts-loader"],
+        exclude: /node_modules/
       },
       {
         test: /\.s?css$/,
-        use: [
-            "style-loader",
-            "css-loader",
-            "sass-loader"
-        ]
+        use: ["style-loader", "css-loader", "sass-loader"]
       },
       {
         test: /.(png|jpg|jpeg|gif|svg|woff|woff2|ttf|eot)$/,
-        use: 'url-loader',
-      },
-    ],
+        use: "url-loader"
+      }
+    ]
   },
   plugins: [
     htmlWebpackPlugin,

package.json

@@ -33,6 +33,14 @@
     "@babel/preset-react": "^7.0.0",
     "@babel/register": "^7.5.5",
     "@testing-library/react": "^8.0.1",
+    "@types/express": "^4.17.6",
+    "@types/node": "^18.15.0",
+    "@types/react": "^18.0.28",
+    "@types/react-dom": "^18.0.11",
+    "@types/webpack": "^4.41.13",
+    "@types/webpack-dev-server": "^3.11.0",
+    "@typescript-eslint/eslint-plugin": "^3.0.1",
+    "@typescript-eslint/parser": "^3.0.1",
     "babel-eslint": "^10.0.2",
     "babel-jest": "^24.8.0",
     "babel-loader": "^8.0.6",
@@ -62,6 +70,9 @@
     "sass-loader": "^7.3.1",
     "serve": "^14.2.0",
     "style-loader": "^0.23.1",
+    "ts-loader": "~8.2.0",
+    "ts-node": "~10.8.1",
+    "typescript": "~4.5.5",
     "uglifyjs-webpack-plugin": "^2.2.0",
     "url-loader": "^2.1.0",
     "webpack": "^4.34.0",

src/App.js → src/App.tsx

@@ -1,11 +1,11 @@
-import React from 'react'
+import React from 'react';
 
-import './App.scss'
+import './App.scss';
 
 const App = () => (
   <div className="app">
     <h2>Welcome to React!</h2>
   </div>
 )
 
-export default App
+export default App;

src/index.tsx

@@ -0,0 +1,8 @@
+import React from 'react';
+import { createRoot } from 'react-dom/client';
+import App from './App';
+
+const container = document.getElementById('root');
+const root = createRoot(container!);
+
+root.render(<App />);

tsconfig.json

@@ -0,0 +1,75 @@
+{
+  "compileOnSave": true,
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+    /* Basic Options */
+    // "incremental": true,                   /* Enable incremental compilation */
+    "target": "es5" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
+    "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
+    "lib": [
+      "dom",
+      "es2015",
+      "es2017"
+    ] /* Specify library files to be included in the compilation. */,
+    // "allowJs": true,                       /* Allow javascript files to be compiled. */
+    // "checkJs": true,                       /* Report errors in .js files. */
+    "jsx": "react" /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */,
+    // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
+    // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
+    "sourceMap": true /* Generates corresponding '.map' file. */,
+    // "outFile": "./",                       /* Concatenate and emit output to single file. */
+    // "outDir": "./",                        /* Redirect output structure to the directory. */
+    // "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    // "composite": true,                     /* Enable project compilation */
+    // "tsBuildInfoFile": "./",               /* Specify file to store incremental compilation information */
+    "removeComments": true /* Do not emit comments to output. */,
+    // "noEmit": true,                        /* Do not emit outputs. */
+    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
+    // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+    // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+
+    /* Strict Type-Checking Options */
+    "strict": true /* Enable all strict type-checking options. */,
+    // "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,              /* Enable strict null checks. */
+    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
+    // "strictBindCallApply": true,           /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
+    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
+    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
+    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
+
+    /* Additional Checks */
+    // "noUnusedLocals": true,                /* Report errors on unused locals. */
+    // "noUnusedParameters": true,            /* Report errors on unused parameters. */
+    // "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
+    // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
+
+    /* Module Resolution Options */
+    // "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+    // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
+    // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
+    // "typeRoots": [],                       /* List of folders to include type definitions from. */                     /* Type declaration files to be included in compilation. */
+    // "allowSyntheticDefaultImports": true,  /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
+    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
+    // "allowUmdGlobalAccess": true,          /* Allow accessing UMD globals from modules. */
+
+    /* Source Map Options */
+    // "sourceRoot": "",                      /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+    // "mapRoot": "",                         /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
+    // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+
+    /* Experimental Options */
+    // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
+    // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
+
+    /* Advanced Options */
+    "skipLibCheck": true /* Skip type checking of declaration files. */,
+    "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "**/*.spec.ts"]
+}