Created
November 24, 2013 12:22
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title>Lumberjack Demo Page</title> | |
| <script type="text/javascript" src="lumberjack.js"></script> | |
| <script type="text/javascript"> | |
| console.log('Lovely day isn\'t it?'); | |
| console.stream('dog').info('Hooooooooooowl!!!'); | |
| console.dir({temp: 85, sunny: true, hourly: [65, 70, 75, 80, 85]}); | |
| //the two statements below are equivalent | |
| console.stream('cat').off(); | |
| console.off('cat'); | |
| console.stream('cat').warn('You are out of catnip!'); //should not see this since the 'cat' stream is off | |
| console.stream('dog').info('Woof! Woof!'); | |
| //the two statements below are equivalent | |
| console.stream('cat').on(); | |
| console.on('cat'); | |
| console.stream('cat').warn('Um guys? I think I just heard a dog.'); | |
| console.stream('cat').warn('Hiss!'); | |
| console.stream('cat').error('Here he comes. Run!'); | |
| console.log('I would like to see everything the cat said.'); | |
| console.stream('cat').logs(); | |
| console.log('How about everything the dog said?'); | |
| console.stream('dog').logs(); | |
| </script> | |
| </head> | |
| <body> | |
| <p>Open your browser console...</p> | |
| </body> | |
| </html> |
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| (function () { | |
| var opts = {enabled: true, logging: true}, streams = {}, stream, console; | |
| //override window.console | |
| console = window.console; | |
| window.console = {}; | |
| //internal use only | |
| function log(args, type) { | |
| if (streams[stream].enabled) { | |
| console[type].apply(console, argumentsToArray(args)); | |
| } | |
| if (opts.logging) { | |
| streams[stream].logs.push(argumentsToArray(args)); | |
| } | |
| stream = undefined; | |
| }; | |
| function argumentsToArray(arguments) { | |
| return Array.prototype.slice.call(arguments, 0); | |
| }; | |
| //console enhancements | |
| window.console.stream = function (name) { | |
| stream = name; | |
| if (streams[stream] == undefined) { | |
| streams[stream] = {enabled: opts.enabled, logs: []} | |
| } | |
| return window.console; | |
| }; | |
| window.console.on = function (name) { | |
| streams[name || stream].enabled = true; | |
| }; | |
| window.console.off = function (name) { | |
| streams[name || stream].enabled = false; | |
| }; | |
| window.console.logs = function (name) { | |
| return streams[name || stream].logs; | |
| } | |
| //console overrides | |
| window.console.log = function () { | |
| log(arguments, 'log'); | |
| }; | |
| window.console.dir = function () { | |
| log(arguments, 'dir'); | |
| }; | |
| window.console.info = function () { | |
| log(arguments, 'info'); | |
| }; | |
| window.console.warn = function () { | |
| log(arguments, 'warn'); | |
| }; | |
| window.console.error = function () { | |
| log(arguments, 'error'); | |
| }; | |
| window.console.stream(); //init the default stream | |
| })(); |
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