fix: compile to ES modules

package.json

@@ -6,9 +6,9 @@
   "author": "Connor Bär <[email protected]>",
   "license": "Apache-2.0",
   "private": false,
-  "main": "dist/index.js",
+  "main": "dist/cjs/index.js",
   "module": "dist/es/index.js",
-  "types": "dist/index.d.ts",
+  "types": "dist/es/index.d.ts",
   "sideEffects": false,
   "files": [
     "dist",
@@ -23,7 +23,9 @@
   "scripts": {
     "start": "tsc --watch",
     "dev": "yarn start",
-    "build": "tsc && tsc --project ./tsconfig-es.json",
+    "build": "yarn build:es && yarn build:cjs",
+    "build:es": "tsc",
+    "build:cjs": "tsc --project tsconfig.cjs.json",
     "lint": "foundry run eslint . --ext .js,.jsx,.ts,.tsx",
     "lint:fix": "yarn lint --fix",
     "lint:ci": "yarn lint --format junit -o __reports__/junit/eslint-results.xml",

tsconfig.cjs.json

@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "module": "CommonJS",
+    "target": "es5",
+    "outDir": "./dist/cjs"
+  }
+}

tsconfig.json

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
-    "target": "es5",
-    "module": "commonjs",
+    "target": "ES2017",
+    "module": "ES2020",
     "lib": ["es2017", "es7", "es6", "dom"],
     "declaration": true,
     "strict": true,
@@ -11,7 +11,7 @@
     "moduleResolution": "node",
     "resolveJsonModule": true,
     "isolatedModules": true,
-    "outDir": "./dist"
+    "outDir": "./dist/es"
   },
   "include": ["src/**/*"],
   "exclude": ["node_modules", "**.spec.*"],