Add tsconfig and packages 📦

Author: PatelUtkarsh

Diff for: package-lock.json

@@ -52,6 +52,7 @@
     "@testing-library/dom": "7.2.2",
     "@testing-library/jest-dom": "5.5.0",
     "@testing-library/react": "9.4.1",
+    "@types/lodash": "^4.14.175",
     "@woocommerce/components": "4.0.0",
     "@wordpress/babel-plugin-import-jsx-pragma": "2.5.0",
     "@wordpress/block-editor": "5.2.0",
@@ -145,10 +146,12 @@
     "svg-inline-loader": "0.8.0",
     "terser-webpack-plugin": "2.3.4",
     "tinycolor2": "^1.4.2",
+    "typescript": "^4.4.4",
     "webpack": "4.41.5",
     "webpack-cli": "3.3.10",
     "webpack-fix-style-only-entries": "0.4.0",
-    "webpackbar": "4.0.0"
+    "webpackbar": "4.0.0",
+    "wp-types": "^2.12.0"
   },
   "scripts": {
     "build": "npm-run-all build:*",

Diff for: package.json

@@ -0,0 +1,34 @@
+{
+    "compilerOptions": {
+      "allowUnreachableCode": false,
+      "allowUnusedLabels": false,
+      "declaration": true,
+      "forceConsistentCasingInFileNames": true,
+      "lib": ["dom", "ESNext"],
+      "module": "esnext",
+      "noEmitOnError": true,
+      "noFallthroughCasesInSwitch": true,
+      "noImplicitReturns": true,
+      "pretty": true,
+      "sourceMap": true,
+      "strict": true,
+      "target": "esnext",
+      // From gutenberg.
+      "jsx": "preserve",
+      "moduleResolution": "node",
+      "allowJs": true,
+      "checkJs": true,
+      "noUnusedLocals": true,
+      "noUnusedParameters": true,
+      "typeRoots": [ "./node_modules/@types" ],
+      // Custom
+      "noEmit": true,
+    },
+    "include": [
+        "theme/assets/src/**/*",
+        "plugin/assets/src/**/*"
+    ],
+    "exclude": [
+      "node_modules"
+    ]
+}