Fix javascript live preview for linux

src/commands/build/watch/mod.rs

@@ -24,14 +24,17 @@ pub fn watch_and_build(
     let project_type = &project.project_type;
     match project_type {
         ProjectType::JavaScript => {
-            let package = Package::new("./")?;
-            let entry = package.main()?;
+            let path = "./";
+            let package = Package::new(path)?;
+            // Confirm entrypoint is provided
+            package.main()?;
+
             thread::spawn(move || {
                 let (watcher_tx, watcher_rx) = mpsc::channel();
                 let mut watcher = notify::watcher(watcher_tx, Duration::from_secs(1)).unwrap();
 
-                watcher.watch(&entry, RecursiveMode::Recursive).unwrap();
-                message::info(&format!("watching {:?}", &entry));
+                watcher.watch(&path, RecursiveMode::Recursive).unwrap();
+                message::info(&format!("watching {:?}", &path));
 
                 loop {
                     match wait_for_changes(&watcher_rx, COOLDOWN_PERIOD) {

src/commands/build/watch/watcher.rs

@@ -8,7 +8,7 @@ use failure::{format_err, Error};
 use crate::terminal::message;
 use log::info;
 
-///Add cooldown for all types of events to watching logic
+/// Add cooldown for all types of events to watching logic
 pub fn wait_for_changes(
     rx: &Receiver<DebouncedEvent>,
     cooldown: Duration,
@@ -18,15 +18,12 @@ pub fn wait_for_changes(
         match get_changed_path_from_event(event) {
             Ok(Some(path)) => {
                 message::working("Detected changes...");
-                //wait for cooldown
-                while let Ok(_) = rx.recv_timeout(cooldown) {
-                    message::working("Detected change during cooldown...");
-                }
-                message::working("Cooldown over, propogating changes...");
+                // wait for cooldown
+                while let Ok(_) = rx.recv_timeout(cooldown) {}
                 return Ok(path);
             }
             Ok(None) => {
-                continue; //was an event type we don't care about, continue
+                continue; // was an event type we don't care about, continue
             }
             Err(error) => {
                 message::user_error(&format!("WatchError {:?}", error));