Add a thelounge uninstall command to remove themes and packages

src/command-line/index.js

@@ -65,6 +65,7 @@ if (!Helper.config.public && !Helper.config.ldap.enable) {
 	require("./users");
 }
 require("./install");
+require("./uninstall");
 
 // TODO: Remove this when releasing The Lounge v3
 if (process.argv[1].endsWith(`${require("path").sep}lounge`)) {

src/command-line/uninstall.js

@@ -0,0 +1,53 @@
+"use strict";
+
+const colors = require("colors/safe");
+const path = require("path");
+const program = require("commander");
+const Helper = require("../helper");
+const Utils = require("./utils");
+
+program
+	.command("uninstall <package>")
+	.description("Uninstall a theme or a package")
+	.on("--help", Utils.extraHelp)
+	.action(function(packageName) {
+		const fs = require("fs");
+		const child = require("child_process");
+
+		if (!fs.existsSync(Helper.getConfigPath())) {
+			log.error(`${Helper.getConfigPath()} does not exist.`);
+			return;
+		}
+
+		log.info(`Uninstalling ${colors.green(packageName)}...`);
+
+		const packagesPath = Helper.getPackagesPath();
+		const packagesParent = path.dirname(packagesPath);
+
+		const npm = child.spawn(
+			process.platform === "win32" ? "npm.cmd" : "npm",
+			[
+				"uninstall",
+				"--prefix",
+				packagesParent,
+				packageName,
+			],
+			{
+				stdio: "inherit",
+			}
+		);
+
+		npm.on("error", (e) => {
+			log.error(`${e}`);
+			process.exit(1);
+		});
+
+		npm.on("close", (code) => {
+			if (code !== 0) {
+				log.error(`Failed to uninstall ${colors.green(packageName)}. Exit code: ${code}`);
+				return;
+			}
+
+			log.info(`${colors.green(packageName)} has been successfully uninstalled.`);
+		});
+	});