use microbundle instead of tsc to fix bundling issues

Author: dcastil

.github/workflows/ci.yml

@@ -14,5 +14,6 @@ jobs:
                   cache: 'yarn'
             - run: yarn install --frozen-lockfile
             - run: yarn lint
+            - run: yarn type-check
             - run: yarn test
             - run: yarn build

.github/workflows/npm-publish.yml

@@ -15,6 +15,7 @@ jobs:
                   cache: yarn
             - run: yarn install --frozen-lockfile
             - run: yarn lint
+            - run: yarn type-check
             - run: yarn test
             - run: yarn build
             - uses: actions/upload-artifact@v2

package.json

@@ -23,15 +23,19 @@
         "src"
     ],
     "type": "module",
-    "main": "./dist/index.js",
-    "types": "./dist/index.d.ts",
+    "source": "src/index.ts",
+    "exports": "./dist/index.js",
+    "module": "dist/index.module.js",
+    "main": "dist/index.cjs",
+    "types": "./dist/types/index.d.ts",
     "repository": {
         "type": "git",
         "url": "https://github.com/dcastil/tailwind-merge.git"
     },
     "scripts": {
-        "build": "rm -rf dist/* && tsc --build",
+        "build": "rm -rf dist/* && microbundle --strict --no-compress --format modern,esm,cjs",
         "test": "jest",
+        "type-check": "tsc --build",
         "lint": "eslint --max-warnings 0 '**'"
     },
     "dependencies": {
@@ -45,6 +49,7 @@
         "eslint-plugin-import": "^2.23.4",
         "eslint-plugin-jest": "^24.3.6",
         "jest": "^27.0.6",
+        "microbundle": "^0.13.3",
         "prettier": "^2.3.2",
         "ts-jest": "^27.0.3",
         "typescript": "^4.3.5"

tsconfig.json

@@ -8,16 +8,18 @@
         "noUncheckedIndexedAccess": true,
         "strict": true,
         // Modules
+        "module": "ESNext",
         "moduleResolution": "Node",
         // Emit
         "declaration": true,
+        "noEmit": true,
         "outDir": "dist",
         "sourceMap": true,
         // Interop Constraints
         "esModuleInterop": true,
         "forceConsistentCasingInFileNames": true,
         // Language and Environment
-        "target": "ES2020"
+        "target": "ESNext"
     },
     "include": ["src/**/*"]
 }