Add: Console events #66

doc/TOOL_API.md

@@ -27,13 +27,19 @@ console.config.set('catchGlobalErr', true);
 
 ### log, error, info, warn, dir, time/timeEnd, clear, count, assert, table
 
-All these methods can be used in the same way as window.console object.
+All these methods can be used in the same way as window.console object. 
+
+Note: When called, a corresponding event is triggered.
 
 ```javascript
 var console = eruda.get('console');
 console.log('eruda is a console for %s.', 'mobile browsers');
 console.table([{test: 1}, {test: 2}, {test2: 3}], 'test');
 console.error(new Error('eruda'));
+console.on('log', function () 
+{
+    // Do whatever you want, send to server or save on local storage.
+});
 ```
 
 ### filter

src/Console/Console.js

@@ -1,6 +1,6 @@
 import Logger from './Logger';
 import Tool from '../DevTools/Tool';
-import {noop, evalCss, $} from '../lib/util';
+import {noop, evalCss, $, Emitter} from '../lib/util';
 import emitter from '../lib/emitter';
 import Settings from '../Settings/Settings';
 import stringify from './stringify';
@@ -11,6 +11,8 @@ export default class Console extends Tool
     {
         super();
 
+        Emitter.mixin(this);
+
         this.name = 'console';
         this._scale = 1;
 
@@ -37,8 +39,7 @@ export default class Console extends Tool
     }
     overrideConsole()
     {
-        let logger = this._logger,
-            origConsole = this._origConsole = {},
+        let origConsole = this._origConsole = {},
             winConsole = window.console;
 
         CONSOLE_METHOD.forEach(name =>
@@ -48,7 +49,7 @@ export default class Console extends Tool
 
             winConsole[name] = (...args) =>
             {
-                logger[name](...args);
+                this[name](...args);
                 origin(...args);
             };
         });
@@ -142,6 +143,7 @@ export default class Console extends Tool
         methods.forEach(name => this[name] = (...args) =>
         {
             logger[name](...args);
+            this.emit(name, ...args);
 
             return this;
         });

test/console.js

@@ -278,4 +278,21 @@ describe('console', function ()
             expect($tool.find('.eruda-logs li')).toHaveLength(1);
         });
     });
+
+    describe('events', function () 
+    {
+        it('log', function () 
+        {
+            var sum = 0;
+            function add(num) { sum += num; }
+            tool.on('log', add);
+            tool.log(5);
+            expect(sum).toBe(5);
+            tool.log(6);
+            expect(sum).toBe(11);
+            tool.off('log', add);
+            tool.log(1);
+            expect(sum).toBe(11);
+        });
+    });
 });