diff options
| -rw-r--r-- | events/event_emitter1.js | 13 | ||||
| -rw-r--r-- | events/event_emitter2.js | 33 | ||||
| -rw-r--r-- | notes.txt | 7 | ||||
| -rw-r--r-- | protoype/app.js | 10 | ||||
| -rw-r--r-- | protoype/public/stylesheets/style.css | 8 | ||||
| -rw-r--r-- | protoype/router/driver.js | 6 | ||||
| -rw-r--r-- | protoype/views/index.jade | 18 | ||||
| -rw-r--r-- | samples/ref_to_instance.js | 17 |
8 files changed, 99 insertions, 13 deletions
diff --git a/events/event_emitter1.js b/events/event_emitter1.js new file mode 100644 index 0000000..4bf9868 --- /dev/null +++ b/events/event_emitter1.js @@ -0,0 +1,13 @@ +var events = require('events'); +var ee = new events.EventEmitter(); + +ee.on('myevent', function(msg) { + console.log('handling event, got ' + msg); +}); + +function foo() { + ee.emit('myevent', 'foo'); +} + +setInterval(foo, 1000); + diff --git a/events/event_emitter2.js b/events/event_emitter2.js new file mode 100644 index 0000000..6845f2a --- /dev/null +++ b/events/event_emitter2.js @@ -0,0 +1,33 @@ +var events = require('events'); +var util = require('util'); + +function MyEventEmitter() { + if (false === (this instanceof MyEventEmitter)) + return new MyEventEmitter(); + + /* inherit all prototype objects, methods, etc */ + events.EventEmitter.call(this); /* hmm this calls a ctor? notice it's not a method */ +} +/* ensure that the prototype methods of the specified superCtor are inherited into ctor */ +util.inherits(MyEventEmitter, events.EventEmitter); + +MyEventEmitter.prototype.poke = function(msg) { + this.emit('poke', 'poking ' + msg) +} + +MyEventEmitter.prototype.yell = function(msg) { + this.emit('poke', 'yelling at ' + msg) +} + +var ee = new MyEventEmitter; + +ee.on('poke', function(msg) { + console.log(msg); +}) + .on('yell', function(msg) { + console.log(msg); +}); + +ee.poke('kyle'); +ee.yell('bro'); + @@ -11,3 +11,10 @@ $ jslint --sloppy --white <file.js> var foo = [1, 2, 3]; var bar = foo.slice(0); +- an object that listen for event must be subclass of + of events.EventEmitter, e.g. http.createServer() + + I'm an eventer, I will emit events, and have a list of + who responds/listens to those, so we will see statements + such eventer.on('foo', somehandler) + diff --git a/protoype/app.js b/protoype/app.js index 6722eab..2b6828c 100644 --- a/protoype/app.js +++ b/protoype/app.js @@ -32,8 +32,10 @@ app.configure(function() { }); app.post('/create', function(req, res) { - db.users.save({tag: req.param('tag'), id: req.param('id'), status: "offline", vehicle: '', - avatar: 'images/avatars/default.png', sig: '', location: '', races: 0}, + db.users.save({tag: req.param('tag'), id: req.param('id'), status: "offline", + vehicle: {make: req.param('make'), model: req.param('model'), year: req.param('year'), + desc: req.param('desc')}, userinfo: {sig: req.param('sig')}, location: {loc: req.param('loc')}, + stats: {matches: 0, won: 0, lost: 0}}, function(err, thing) { if (err || !thing) util.log('[create] error saving'); @@ -67,6 +69,9 @@ app.post('/login', function(req, res) { }); }); +/* /sys/do?get=activelist [list of active users] + * + */ app.get('/sys/:id([a-z]+)', function(req, res, next) { /* id contains routing token, req.query is a block/struct, key-val data structure containing GET params * id should be the main verb, action we want to do */ @@ -81,7 +86,6 @@ app.get('/sys/:id([a-z]+)', function(req, res, next) { util.log('[sys] do?get=activelist failed or empty'); else { for (var i = 0; i < result.length; i++) { - console.log('name is: ' + result[i].tag); data += result[i].tag + '\n'; } res.send(data); diff --git a/protoype/public/stylesheets/style.css b/protoype/public/stylesheets/style.css index c4dfff7..73d1927 100644 --- a/protoype/public/stylesheets/style.css +++ b/protoype/public/stylesheets/style.css @@ -1,9 +1,13 @@ body { - padding: 50px; - font: 14px "Lucida Grande", Helvetica, Arial, sans-serif; + padding: 10px; + font: 12px "Lucida Grande", Helvetica, Arial, sans-serif; } a { color: #00B7FF; } +#listentry { + padding: 5px; +} + diff --git a/protoype/router/driver.js b/protoype/router/driver.js index 2eeadbb..05e1039 100644 --- a/protoype/router/driver.js +++ b/protoype/router/driver.js @@ -9,6 +9,12 @@ function newuser(req, res) { '<form method="post" action="/create">\n' + ' Tag: <input type="text" name="tag" /><br />\n' + ' ID: <input type="text" name="id" /><br />\n' + + ' Make: <input type="text" name="make" /><br />\n' + + ' Model: <input type="text" name="model" /><br />\n' + + ' Year: <input type="text" name="year" /><br />\n' + + ' Desc: <input type="text" name="desc" /><br />\n' + + ' Signature: <input type="text" name="sig" /><br />\n' + + ' Location: <input type="text" name="loc" /><br />\n' + ' <input type="submit" value="add" />\n' + '</form>\n' + '</body>\n' + diff --git a/protoype/views/index.jade b/protoype/views/index.jade index cfbdb80..cd300f5 100644 --- a/protoype/views/index.jade +++ b/protoype/views/index.jade @@ -1,11 +1,13 @@ -h1= title -p Welcome to #{title}. +h1(style='border-bottom: dashed #FF9900; letter-spacing: -2px')= title +p Welcome to #{title}. Find your opponent, and get ready! -h3 User list: -ul - - each user in users - li= user.tag +h3 User List +- each user in users + #listentry <u>#{user.tag}</u> - if (user.status == 'online') - span(style='color: green')= user.status + span(style='color: green; font-weight: bold')= user.status - else - span(style='color: red')= user.status + span(style='color: red; font-weight: bold')= user.status + | <br />#{user.vehicle.year} #{user.vehicle.make} #{user.vehicle.model} + | <br />mods: #{user.vehicle.desc}<br /> + span(style='color: gray; font-style: italic')= user.userinfo.sig diff --git a/samples/ref_to_instance.js b/samples/ref_to_instance.js new file mode 100644 index 0000000..975756f --- /dev/null +++ b/samples/ref_to_instance.js @@ -0,0 +1,17 @@ +function foo() { + if ((this instanceof foo) === false) + { + console.log('not an instance, hence a reference!'); + /* returns new object of this class, which will trigger runtime of this + * function */ + return new foo(); + } + else + console.log('you have an instance?'); +} + +var ref = foo; +ref.call(ref); + +var inst = new foo(); + |