chore: replace gulp by a pure rollup based build

tools/bump-version.js

@@ -0,0 +1,84 @@
+// SPDX-FileCopyrightText: 2021 Johannes Loher
+//
+// SPDX-License-Identifier: MIT
+
+import fs from "fs-extra";
+import path from "node:path";
+import semver from "semver";
+import yargs from "yargs";
+import { hideBin } from "yargs/helpers";
+
+import { sourceDirectory } from "./const.js";
+
+const getDownloadURL = (version) => `https://git.f3l.de/dungeonslayers/ds4/-/releases/${version}/downloads/ds4.zip`;
+const getChangelogURL = (version) => `https://git.f3l.de/dungeonslayers/ds4/-/releases/${version}`;
+
+/**
+ * Get the contents of the manifest file as object.
+ * @returns {{file: unknown, name: string}} An object describing the manifest
+ */
+function getManifest() {
+    const manifestPath = path.join(sourceDirectory, "system.json");
+
+    if (fs.existsSync(manifestPath)) {
+        return {
+            file: fs.readJSONSync(manifestPath),
+            name: "system.json",
+        };
+    }
+}
+
+/**
+ * Get the target version based on on the current version and the argument passed as release.
+ * @param {string} currentVersion The current version
+ * @param {semver.ReleaseType | string} release Either a semver release type or a valid semver version
+ * @returns {string | null} The target version
+ */
+function getTargetVersion(currentVersion, release) {
+    if (["major", "premajor", "minor", "preminor", "patch", "prepatch", "prerelease"].includes(release)) {
+        return semver.inc(currentVersion, release);
+    } else {
+        return semver.valid(release);
+    }
+}
+
+/**
+ * Update version and download URL.
+ * @param {semver.ReleaseType | string} release Either a semver release type or a valid semver version
+ */
+function bumpVersion(release) {
+    if (!release) {
+        throw new Error("Missing release type");
+    }
+
+    const packageJson = fs.readJSONSync("package.json");
+    const manifest = getManifest();
+    if (!manifest) throw new Error("Manifest JSON not found");
+
+    const currentVersion = packageJson.version;
+    const targetVersion = getTargetVersion(currentVersion, release);
+
+    if (!targetVersion) {
+        throw new Error("Incorrect version arguments");
+    }
+    if (targetVersion === currentVersion) {
+        throw new Error("Target version is identical to current version");
+    }
+
+    console.log(`Bumping version number to '${targetVersion}'`);
+    packageJson.version = targetVersion;
+    fs.writeJSONSync("package.json", packageJson, { spaces: 4 });
+    manifest.file.version = targetVersion;
+    manifest.file.download = getDownloadURL(targetVersion);
+    manifest.file.changelog = getChangelogURL(targetVersion);
+    fs.writeJSONSync(path.join(sourceDirectory, manifest.name), manifest.file, { spaces: 4 });
+}
+
+const argv = yargs(hideBin(process.argv)).usage("Usage: $0").option("release", {
+    alias: "r",
+    type: "string",
+    demandOption: true,
+    description: "Either a semver release type or a valid semver version",
+}).argv;
+const release = argv.r;
+bumpVersion(release);