feat(main): added an option to open the docs on chrome on serve

.gitignore

@@ -1,3 +1,4 @@
 /target
 /_test_area
 /site
+.idea

Cargo.toml

@@ -27,6 +27,7 @@ rayon = "1.4"
 colorsys = "0.5.7"
 alphanumeric-sort = "1.4.0"
 include_dir = "0.7.2"
+open = "3.0.3"
 
 [dev-dependencies]
 indoc = "1.0.2"

src/main.rs

@@ -54,7 +54,13 @@ fn main() {
                             Ok(_) => Ok(()),
                             Err(e) => Err(e.to_string()),
                         }),
-                ),
+                ).arg(
+                Arg::with_name("open")
+                    .long("open")
+                    .short("o")
+                    .help("Opens the docs site on chrome")
+            )
+            ,
         )
         .get_matches();
 
@@ -118,6 +124,8 @@ fn serve(cmd: &ArgMatches) -> doctave::Result<()> {
         options.port = Some(p.parse::<u32>().unwrap());
     }
 
+    options.open = cmd.is_present("open");
+
     if cmd.is_present("no-color") {
         config.disable_colors();
     }

src/preview_server.rs

@@ -14,15 +14,17 @@ pub struct PreviewServer<B: SiteBackend> {
     base_path: String,
     addr: SocketAddr,
     site: Arc<Site<B>>,
+    open: bool
 }
 
 impl<B: SiteBackend> PreviewServer<B> {
-    pub fn new(addr: &str, site: Arc<Site<B>>, color: bool, base_path: String) -> Self {
+    pub fn new(addr: &str, site: Arc<Site<B>>, color: bool, base_path: String, open: bool) -> Self {
         PreviewServer {
             addr: addr.parse().expect("invalid address for preview server"),
             site,
             color,
             base_path,
+            open
         }
     }
 
@@ -44,6 +46,10 @@ impl<B: SiteBackend> PreviewServer<B> {
                 self.base_path
             )
             .unwrap();
+
+            if self.open {
+                open_web_app(self.addr.to_string().as_str());
+            }
         }
 
         for request in server.incoming_requests() {
@@ -156,3 +162,7 @@ fn content_type_for(extension: Option<&OsStr>) -> Option<&'static str> {
         None => None,
     }
 }
+
+fn open_web_app(url: &str) -> std::io::Result<()> {
+    open::that("http://".to_owned()+url)
+}

src/serve.rs

@@ -17,6 +17,7 @@ pub struct ServeCommand {}
 #[derive(Default)]
 pub struct ServeOptions {
     pub port: Option<u32>,
+    pub open: bool
 }
 
 impl ServeCommand {
@@ -70,6 +71,7 @@ impl ServeCommand {
             site.clone(),
             config.color_enabled(),
             config.base_path().to_owned(),
+            options.open
         );
         thread::Builder::new()
             .name("http-server".into())