use rolldown as package bundler

.vscode/launch.json

@@ -10,7 +10,7 @@
             "request": "launch",
             "name": "Launch Program",
             "skipFiles": ["<node_internals>/**"],
-            "program": "${workspaceFolder}/test/debug.mjs",
+            "program": "${workspaceFolder}/test/debug.js",
             "runtimeArgs": ["--inspect", "--expose-gc"]
         }
     ]

eslint.config.mjs → eslint.config.js

@@ -6,13 +6,13 @@ import tseslint from 'typescript-eslint'
 
 export default [
     {
-        ignores: ['**/dist/*', '**/build/*', '**/rollup.config.mjs', '**/utils/*', 'eslint.config.mjs'],
+        ignores: ['**/dist/*', '**/build/*', '**/rolldown.config.ts', '**/utils/*', 'eslint.config.js'],
     },
     eslint.configs.recommended,
     ...tseslint.configs.recommended,
     eslintPluginPrettierRecommended,
     {
-        files: ['test/**/*.mjs', 'bench/**/*.js'],
+        files: ['test/**/*.js', 'bench/**/*.js'],
         rules: {
             '@typescript-eslint/no-var-requires': 'off',
             '@typescript-eslint/no-require-imports': 'off',

package.json

@@ -2,16 +2,17 @@
     "name": "wasmoon",
     "version": "1.16.0",
     "description": "A real lua VM with JS bindings made with webassembly",
-    "main": "dist/index.js",
+    "main": "./dist/index.js",
+    "type": "module",
     "scripts": {
         "build:wasm:dev": "./build.sh dev",
         "build:wasm": "./build.sh",
         "build:wasm:docker:dev": "docker run --rm -v $(pwd):/wasmoon emscripten/emsdk /wasmoon/build.sh dev",
         "build:wasm:docker": "docker run --rm -v $(pwd):/wasmoon emscripten/emsdk /wasmoon/build.sh",
-        "start": "rollup -c -w",
-        "test": "mocha --parallel --require ./test/boot.mjs test/*.test.mjs",
-        "luatests": "node --experimental-import-meta-resolve test/luatests.mjs",
-        "build": "rollup -c && tsc -d --emitDeclarationOnly --rootDir src --declarationDir dist",
+        "start": "rolldown -w -c",
+        "test": "mocha --parallel --require ./test/boot.js test/*.test.js",
+        "luatests": "node --experimental-import-meta-resolve test/luatests.js",
+        "build": "rolldown -c && tsc -d --emitDeclarationOnly --rootDir src --declarationDir dist",
         "clean": "rm -rf dist build",
         "lint": "prettier --write . && eslint . --fix --cache",
         "lint:nofix": "eslint ."
@@ -41,7 +42,6 @@
     ],
     "devDependencies": {
         "@eslint/js": "9.17.0",
-        "@rollup/plugin-typescript": "12.1.2",
         "@types/node": "22.10.2",
         "@typescript-eslint/parser": "8.18.2",
         "chai": "5.1.2",
@@ -54,7 +54,7 @@
         "jest-mock": "29.7.0",
         "mocha": "11.0.1",
         "prettier": "3.4.2",
-        "rollup": "4.29.1",
+        "rolldown": "1.0.0-beta.1-commit.7c52c94",
         "rollup-plugin-copy": "3.5.0",
         "tslib": "2.8.1",
         "typescript": "5.7.2",

rollup.config.mjs → rolldown.config.ts

@@ -1,4 +1,3 @@
-import typescript from '@rollup/plugin-typescript'
 import copy from 'rollup-plugin-copy'
 import pkg from './package.json' with { type: 'json' }
 
@@ -8,10 +7,13 @@ export default {
     input: './src/index.ts',
     output: {
         file: 'dist/index.js',
-        format: 'umd',
-        name: 'wasmoon',
+        format: 'esm',
         sourcemap: !production,
     },
+    define: {
+        // Webpack workaround: https://github.com/webpack/webpack/issues/16878
+        'import.meta': 'Object(import.meta)',
+    },
     plugins: [
         {
             name: 'package-version',
@@ -26,11 +28,6 @@ export default {
                 }
             },
         },
-        typescript({
-            sourceMap: !production,
-            outputToFilesystem: true,
-            removeComments: true
-        }),
         copy({
             targets: [{ src: 'build/glue.wasm', dest: 'dist' }],
         }),

test/debug.mjs → test/debug.js

@@ -1,4 +1,4 @@
-import { getEngine } from './utils.mjs'
+import { getEngine } from './utils.js'
 
 // This file was created as a sandbox to test and debug on vscode
 const engine = await getEngine()

test/engine.test.mjs → test/engine.test.js

@@ -1,7 +1,7 @@
 import { EventEmitter } from 'events'
 import { LuaLibraries, LuaReturn, LuaThread, LuaType, decorate, decorateProxy, decorateUserdata } from '../dist/index.js'
 import { expect } from 'chai'
-import { getEngine, getFactory } from './utils.mjs'
+import { getEngine, getFactory } from './utils.js'
 import { setTimeout } from 'node:timers/promises'
 import jestMock from 'jest-mock'
 

test/filesystem.test.mjs → test/filesystem.test.js

@@ -1,5 +1,5 @@
 import { expect } from 'chai'
-import { getEngine, getFactory } from './utils.mjs'
+import { getEngine, getFactory } from './utils.js'
 
 describe('Filesystem', () => {
     it('mount a file and require inside lua should succeed', async () => {

test/promises.test.mjs → test/promises.test.js

@@ -1,5 +1,5 @@
 import { expect } from 'chai'
-import { getEngine, tick } from './utils.mjs'
+import { getEngine, tick } from './utils.js'
 import jestMock from 'jest-mock'
 
 describe('Promises', () => {

tsconfig.json

@@ -19,6 +19,6 @@
         "resolveJsonModule": true,
 
     },
-    "include": ["src/**/*", "test/**/*", "bench/**/*", "eslint.config.mjs"],
+    "include": ["src/**/*", "test/**/*", "bench/**/*", "eslint.config.js"],
     "exclude": ["node_modules"]
 }