chore: replace gulp by a pure rollup based build

rollup.config.js

@@ -2,25 +2,50 @@
 //
 // SPDX-License-Identifier: MIT
 
-const typescript = require("rollup-plugin-typescript2");
-const sourcemaps = require("rollup-plugin-sourcemaps");
-const { terser } = require("rollup-plugin-terser");
+import copy from "@guanghechen/rollup-plugin-copy";
+import typescript from "rollup-plugin-typescript2";
+import sourcemaps from "rollup-plugin-sourcemaps";
+import styles from "rollup-plugin-styles";
+import { terser } from "rollup-plugin-terser";
+import { distDirectory, name, sourceDirectory } from "./tools/const.js";
+import { convertJSONToPack } from "./tools/json-pack-tools.js";
+
+const staticFiles = ["template.json", "system.json", "assets", "fonts", "lang", "templates"];
+const isProduction = process.env.NODE_ENV === "production";
 
 /**
  * @type {import('rollup').RollupOptions}
  */
 const config = {
-    input: "src/module/ds4.ts",
+    input: { [`module/${name}`]: `${sourceDirectory}/module/${name}.ts` },
     output: {
-        dir: "dist/module",
+        dir: distDirectory,
         format: "es",
         sourcemap: true,
+        assetFileNames: "[name].[ext]",
     },
     plugins: [
         sourcemaps(),
-        typescript({}),
-        process.env.NODE_ENV === "production" && terser({ ecma: 2020, keep_fnames: true }),
+        typescript(),
+        styles({
+            mode: ["extract", `css/${name}.css`],
+            url: false,
+            sourceMap: true,
+            minimize: isProduction,
+        }),
+        copy({
+            targets: [
+                { src: staticFiles.map((file) => `${sourceDirectory}/${file}`), dest: distDirectory },
+                {
+                    src: [`${sourceDirectory}/packs/*.json`],
+                    dest: `${distDirectory}/packs`,
+                    rename: (name) => `${name}.db`,
+                    transform: convertJSONToPack,
+                },
+            ],
+        }),
+        isProduction && terser({ ecma: 2020, keep_fnames: true }),
     ],
 };
 
-module.exports = config;
+export default config;