Configures ESBuild

esbuild.config.mjs

@@ -0,0 +1,12 @@
+import { build } from 'esbuild';
+
+build({
+  entryPoints: ['src/main.ts'],
+  bundle: true,
+  target: 'es2018', // Screeps supports ES2018 well
+  platform: 'node',
+  format: 'cjs',
+  outdir: 'dist',
+  sourcemap: true,
+  logLevel: 'info',
+}).catch(() => process.exit(1));

package.json

@@ -3,7 +3,8 @@
   "version": "3.0.0",
   "description": "",
   "scripts": {
-    "format": "prettier --config .prettierrc 'src/**/*.ts' --write && eslint --fix src/"
+    "format": "prettier --config .prettierrc 'src/**/*.ts' --write && eslint --fix src/",
+    "build": "node esbuild.config.mjs"
   },
   "repository": {
     "type": "git",
@@ -31,6 +32,7 @@
     "@typescript-eslint/parser": "^8.35.1",
     "@typescript-eslint/typescript-estree": "^8.35.1",
     "chai": "^5.2.0",
+    "esbuild": "^0.25.5",
     "eslint": "^9.30.1",
     "eslint-config-prettier": "^10.1.5",
     "eslint-import-resolver-typescript": "^4.4.4",

rollup.config.js

@@ -1,32 +0,0 @@
-"use strict";
-
-import clear from 'rollup-plugin-clear';
-import resolve from '@rollup/plugin-node-resolve';
-import commonjs from '@rollup/plugin-commonjs';
-import typescript from 'rollup-plugin-typescript2';
-import screeps from 'rollup-plugin-screeps';
-
-let cfg;
-const dest = process.env.DEST;
-if (!dest) {
-  console.log("No destination specified - code will be compiled but not uploaded");
-} else if ((cfg = require("./screeps.json")[dest]) == null) {
-  throw new Error("Invalid upload destination");
-}
-
-export default {
-  input: "src/main.ts",
-  output: {
-    file: "dist/main.js",
-    format: "cjs",
-    sourcemap: true
-  },
-
-  plugins: [
-    clear({ targets: ["dist"] }),
-    resolve({ rootDir: "src" }),
-    commonjs(),
-    typescript({tsconfig: "./tsconfig.json"}),
-    screeps({config: cfg, dryRun: cfg == null})
-  ]
-}