add ConsoleService

examples/timer/src/main.rs

@@ -3,7 +3,7 @@ extern crate yew;
 
 use std::time::Duration;
 use yew::html::*;
-use yew::services::Task;
+use yew::services::{Task, Level};
 use yew::services::timeout::TimeoutService;
 use yew::services::interval::IntervalService;
 use yew::services::console::ConsoleService;
@@ -28,14 +28,13 @@ fn update(context: &mut Context<Msg>, model: &mut Model, msg: Msg) {
             model.job = Some(Box::new(handle));
             model.messages.clear();
             model.messages.push("Timer started!!");
-            context.console_log("Timer started!!");
         }
         Msg::StartInterval => {
             let handle = context.interval(Duration::from_secs(1), || Msg::Tick);
             model.job = Some(Box::new(handle));
             model.messages.clear();
-            model.messages.push("Interval started!");
-            context.console_log("Interval started!");
+            model.messages.push("Inerval started!");
+            context.console(Level::Log, "Interval started!");
         }
         Msg::Cancel => {
             if let Some(mut task) = model.job.take() {

src/services/console.rs

@@ -1,11 +1,17 @@
 use html::Context;
+use super::{Level};
 
 pub trait ConsoleService {
-    fn console_log(&mut self, message: &str);
+    fn console(&mut self, level: Level, message: &str);
 }
 
 impl<MSG: 'static> ConsoleService for Context<MSG> {
-    fn console_log(&mut self, message: &str) {
-        js! { console.log(@{message}); }
+    fn console(&mut self, level: Level, message: &str) {
+        match level {
+          Level::Log => { js! { console.log(@{message}); } },
+          Level::Warn => { js! { console.warn(@{message}); } },
+          Level::Error => { js! { console.error(@{message}); } },
+          _ => { println!("unknown Level."); },
+        }
     }
 }

src/services/mod.rs

@@ -6,6 +6,12 @@ pub mod console;
 
 use std::time::Duration;
 
+pub enum Level {
+    Log,
+    Warn,
+    Error,
+}
+
 pub trait Task {
     fn cancel(&mut self);
 }