Merge #230

230: Add logging r=DenisKolodin a=DenisKolodin



Co-authored-by: Denis Kolodin <deniskolodin@gmail.com>

Cargo.toml

@@ -13,6 +13,7 @@ description = "A framework for making client-side single-page apps"
 
 [dependencies]
 failure = "0.1"
+log = "0.4"
 http = "0.1"
 serde = "1"
 serde_json = "1"

examples/showcase/Cargo.toml

@@ -4,6 +4,8 @@ version = "0.1.0"
 authors = ["Denis Kolodin <deniskolodin@gmail.com>", "Limira"]
 
 [dependencies]
+log = "0.4"
+web_logger = "0.1"
 strum = "0.9"
 strum_macros = "0.9"
 yew = { path = "../.." }

examples/showcase/src/main.rs

@@ -1,9 +1,11 @@
 #![recursion_limit="128"]
 
+#[macro_use]
+extern crate log;
+extern crate web_logger;
 extern crate strum;
 #[macro_use]
 extern crate strum_macros;
-
 #[macro_use]
 extern crate yew;
 extern crate counter;
@@ -287,7 +289,10 @@ impl Scene {
 }
 
 fn main() {
+    web_logger::init();
+    trace!("Initializing yew...");
     yew::initialize();
+    trace!("Creating a context...");
     let context = Context {
         console: ConsoleService::new(),
         storage: StorageService::new(Area::Local),
@@ -300,8 +305,11 @@ fn main() {
         timeout: TimeoutService::new(),
         two_apps: two_apps::Context::new(),
     };
+    trace!("Creating an application instance...");
     let app: App<_, Scene> = App::new(context);
+    trace!("Mount the App to the body of the page...");
     app.mount_to_body();
+    trace!("Run");
     yew::run_loop();
 }
 

src/lib.rs

@@ -50,6 +50,8 @@
 
 #[macro_use]
 extern crate failure;
+#[macro_use]
+extern crate log;
 extern crate http;
 extern crate serde;
 extern crate serde_json;

src/macros.rs

@@ -286,19 +286,3 @@ pub fn child_to_parent<CTX, COMP: Component<CTX>>(
         panic!("redundant closing tag: {:?}", endtag);
     }
 }
-
-#[macro_export]
-macro_rules! debug {
-    ($($e:expr),*) => {
-        if cfg!(debug) {
-            println!($($e,)*);
-        }
-    };
-}
-
-#[macro_export]
-macro_rules! warn {
-    ($($e:expr),*) => {
-        eprintln!($($e,)*);
-    };
-}