build: split esm & cjs configs

Author: romgrk

package.json

@@ -19,12 +19,12 @@
     }
   ],
   "license": "MIT",
-  "module": "dist/index.es.js",
-  "main": "dist/index.js",
-  "types": "dist/index.d.ts",
+  "module": "dist/esm/index.js",
+  "main": "dist/cjs/index.js",
+  "types": "dist/cjs/index.d.ts",
   "scripts": {
     "prepare": "npm run build",
-    "build": "tsc",
+    "build": "tsc && tsc --build tsconfig.esm.json",
     "watch": "tsc --watch",
     "test": "jest --bail",
     "test:watch": "jest --bail --watch",

tsconfig.build.json tsconfig.base.json

@@ -8,8 +8,7 @@
     "moduleResolution": "Node",
     "sourceMap": true,
     "strict": true,
-    "target": "es5",
-    "outDir": "./dist"
+    "target": "es5"
   },
   "include": ["src"],
   "exclude": ["**/*.test.tsx", "**/*.test.ts", "node_modules", "dist"]

tsconfig.esm.json

@@ -0,0 +1,9 @@
+{
+  "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "module": "es2020",
+    "outDir": "./dist/esm"
+  },
+  "include": ["src", "index.ts"],
+  "exclude": ["**/*.test.tsx", "**/*.test.ts"]
+}

tsconfig.json

@@ -1,7 +1,8 @@
 {
-  "extends": "./tsconfig.build.json",
+  "extends": "./tsconfig.base.json",
   "compilerOptions": {
-    "module": "commonjs"
+    "module": "commonjs",
+    "outDir": "./dist/cjs"
   },
   "include": ["src", "index.ts"],
   "exclude": ["**/*.test.tsx", "**/*.test.ts"]