migrate to ESM

npm-scripts.mjs

@@ -159,6 +159,7 @@ function buildTypescript({ force = false } = { force: false }) {
 
 	deleteLib();
 	executeCmd('tsc');
+	executeCmd('tsc -p ./tsconfig.cjs.json');
 }
 
 function lint() {

package.json

@@ -16,8 +16,18 @@
 		"type": "opencollective",
 		"url": "https://opencollective.com/mediasoup"
 	},
-	"main": "lib/index.js",
+	"main": "lib/cjs/index.js",
 	"types": "lib/index.d.ts",
+	"exports": {
+		".": {
+			"import": "./lib/index.js",
+			"require": "./lib/cjs/index.js"
+		},
+		"./lib/*": {
+			"import": "./lib/*.js",
+			"require": "./lib/cjs/*.js"
+		}
+	},
 	"files": [
 		"npm-scripts.mjs",
 		"lib"

tsconfig.cjs.json

@@ -0,0 +1,23 @@
+{
+	"compileOnSave": true,
+	"compilerOptions": {
+		"lib": ["es2022", "dom"],
+		"target": "es2020",
+		"module": "commonjs",
+		"moduleResolution": "node",
+		"esModuleInterop": true,
+		"isolatedModules": true,
+		"strict": true,
+		"outDir": "lib/cjs",
+		"declaration": true,
+		"declarationMap": true
+	},
+	"include": ["src"],
+	"watchOptions": {
+		"watchFile": "useFsEvents",
+		"watchDirectory": "useFsEvents",
+		"fallbackPolling": "dynamicPriority",
+		"synchronousWatchDirectory": true
+	}
+}
+

tsconfig.json

@@ -3,7 +3,7 @@
 	"compilerOptions": {
 		"lib": ["es2022", "dom"],
 		"target": "es2020",
-		"module": "commonjs",
+		"module": "ES2015",
 		"moduleResolution": "node",
 		"esModuleInterop": true,
 		"isolatedModules": true,