feat: release an esm distribution

Author: me4502

package.json

@@ -1,14 +1,16 @@
 {
     "name": "@enginehub/schematicwebviewer",
-    "version": "4.2.3",
+    "version": "4.3.0",
     "description": "A web viewer for modern Minecraft schematics",
-    "main": "dist/index.js",
+    "main": "dist/cjs/index.js",
+    "module": "dist/esm/index.js",
+    "types": "dist/esm/index.d.ts",
     "files": [
         "dist/"
     ],
     "scripts": {
-        "prepublish": "rm -rf dist && tsc",
-        "build": "tsc",
+        "prepublish": "rm -rf dist && yarn build",
+        "build": "tsc && tsc --module commonjs --outDir dist/cjs",
         "test": "echo \"Error: no test specified\" && exit 1",
         "start": "parcel test/test.html --port 3000 --host 0.0.0.0",
         "type-check": "tsc --noEmit",

tsconfig.json

@@ -1,13 +1,14 @@
 {
     "include": ["src/**/*"],
     "compilerOptions": {
-        "outDir": "./dist/",
+        "outDir": "dist/esm",
         "sourceMap": true,
         "noImplicitAny": false,
         "esModuleInterop": true,
         "downlevelIteration": true,
+        "moduleResolution": "node",
         "resolveJsonModule": true,
-        "module": "commonjs",
+        "module": "esnext",
         "lib": ["es2017", "es7", "es6", "dom"],
         "target": "es6",
         "allowJs": true,