Fix #1232: add option "--no-watch" to disable watcher and live reloading

1 files changed, 36 insertions, 9 deletions

diff --git a/lib/cli/serve.js b/lib/cli/serve.js
index aa2d60e..9d53408 100644
--- a/lib/cli/serve.js
+++ b/lib/cli/serve.js
@@ -16,11 +16,23 @@ var watch = require('./watch');
 
 var server, lrServer, lrPath;
 
+function waitForCtrlC() {
+    var d = Promise.defer();
+
+    process.on('SIGINT', function() {
+        d.resolve();
+    });
+
+    return d.promise;
+}
+
+
 function generateBook(args, kwargs) {
     var port = kwargs.port;
     var outputFolder = getOutputFolder(args);
     var book = getBook(args, kwargs);
     var Generator = Output.getGenerator(kwargs.format);
+    var hasLiveReloading = kwargs['watch'];
 
     // Stop server if running
     if (server.isRunning()) console.log('Stopping server');
@@ -29,8 +41,10 @@ function generateBook(args, kwargs) {
     .then(function() {
         return Parse.parseBook(book)
         .then(function(resultBook) {
-            // Enable livereload plugin
-            resultBook = ConfigModifier.addPlugin(resultBook, 'livereload');
+            if (hasLiveReloading) {
+                // Enable livereload plugin
+                resultBook = ConfigModifier.addPlugin(resultBook, 'livereload');
+            }
 
             return Output.generate(Generator, resultBook, {
                 root: outputFolder
@@ -55,7 +69,9 @@ function generateBook(args, kwargs) {
         }
     })
     .then(function() {
-        if (!kwargs.watch) return;
+        if (!hasLiveReloading) {
+            return waitForCtrlC();
+        }
 
         return watch(book.getRoot())
         .then(function(filepath) {
@@ -84,7 +100,7 @@ module.exports = {
         },
         {
             name: 'watch',
-            description: 'Enable/disable file watcher',
+            description: 'Enable file watcher and live reloading',
             defaults: true
         },
         options.log,
@@ -92,13 +108,24 @@ module.exports = {
     ],
     exec: function(args, kwargs) {
         server = new Server();
-        lrServer = tinylr({});
+        var hasWatch = kwargs['watch'];
 
-        return Promise.nfcall(lrServer.listen.bind(lrServer), kwargs.lrport)
+        return Promise()
+        .then(function() {
+            if (!hasWatch) {
+                return;
+            }
+
+            lrServer = tinylr({});
+            return Promise.nfcall(lrServer.listen.bind(lrServer), kwargs.lrport)
+            .then(function() {
+                console.log('Live reload server started on port:', kwargs.lrport);
+                console.log('Press CTRL+C to quit ...');
+                console.log('');
+
+            });
+        })
         .then(function() {
-            console.log('Live reload server started on port:', kwargs.lrport);
-            console.log('Press CTRL+C to quit ...');
-            console.log('');
             return generateBook(args, kwargs);
         });
     }