[chore] Bundler restructure (#880)

* re-structure bundler, settings panel files

* add more info logging

* tidy up CSS syntax errors

* split into lib/ files

* livereloading server

* fix factor function for production builds

* remove testing console.log

* default to production env, saves 300kb bundle size

1 files changed, 40 insertions, 0 deletions

diff --git a/web/source/lib/dev-server.js b/web/source/lib/dev-server.js
new file mode 100644
index 000000000..a8094f5c2
--- /dev/null
+++ b/web/source/lib/dev-server.js
@@ -0,0 +1,40 @@
+/*
+	GoToSocial
+	Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+"use strict";
+
+const tinylr = require("tiny-lr");
+const chalk = require("chalk");
+
+const PORT = 35729;
+
+module.exports = function devServer(outputEmitter) {
+	let server = tinylr();
+	
+	server.listen(PORT, () => {
+		console.log(chalk.cyan(`Livereload server listening on :${PORT}`));
+	});
+
+	outputEmitter.on("update", ({updates}) => {
+		let fullPaths = updates.map((path) => `/assets/dist/${path}`);
+		tinylr.changed(fullPaths.join(","));
+	});
+
+	process.on("SIGUSR2", server.close);
+	process.on("SIGTERM", server.close);
+};
\ No newline at end of file