use --live by default, if using Rollup or --no-hot

src/api/dev.ts

@@ -205,13 +205,13 @@ class Watcher extends EventEmitter {
 									process: this.proc
 								});
 
-								if (this.live) {
+								if (this.hot && this.bundler === 'webpack') {
 									this.dev_server.send({
-										action: 'reload'
+										status: 'completed'
 									});
 								} else {
 									this.dev_server.send({
-										status: 'completed'
+										action: 'reload'
 									});
 								}
 							}))

src/cli.ts

@@ -11,8 +11,8 @@ prog.command('dev')
 	.describe('Start a development server')
 	.option('-p, --port', 'Specify a port')
 	.option('-o, --open', 'Open a browser window')
-	.option('-l --live', 'Reload on changes', false)
-	.option('--hot', 'Use hot module replacement', true)
+	.option('--hot', 'Use hot module replacement (requires webpack)', true)
+	.option('-l --live', 'Reload on changes if not using --hot', true)
 	.option('--bundler', 'Specify a bundler (rollup or webpack)')
 	.action(async (opts: {
 		port: number,