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route client urls with 404s and pattern captures
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/** | |
* @param {array} routes Array that stores routes and callbacks. Even indices are patterns, odd indices as callbacks. | |
* @param {number} [pollInterval] Interval between each `location.hash` check. | |
* @param {string} [prevHash] Previous `location.hash`. Used to check if hash changed since last check. | |
*/ | |
function(routes, pollInterval, prevHash){ | |
function pollHash(){ | |
var currentHash = location.hash, | |
i = 0, | |
routePattern, | |
capturingGroups; | |
if (currentHash != prevHash) { | |
while((routePattern = routes[i++]) && !(capturingGroups = routePattern.exec(currentHash))){ | |
i++; //increment 2x since callback is at odd indices | |
} | |
routes[i](capturingGroups); | |
prevHash = currentHash; | |
} | |
} | |
pollHash(); | |
setInterval(pollHash, pollInterval || 99); | |
} |
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function(a,b,c){function d(){var b=location.hash,d=0,e,f;if(b!=c){while((e=a[d++])&&!(f=e.exec(b)))d++;a[d](f),c=b}}d(),setInterval(d,b||99)} |
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Copyright (c) 2011 Jed Schmidt, http://jed.is | |
Permission is hereby granted, free of charge, to any person obtaining | |
a copy of this software and associated documentation files (the | |
"Software"), to deal in the Software without restriction, including | |
without limitation the rights to use, copy, modify, merge, publish, | |
distribute, sublicense, and/or sell copies of the Software, and to | |
permit persons to whom the Software is furnished to do so, subject to | |
the following conditions: | |
The above copyright notice and this permission notice shall be | |
included in all copies or substantial portions of the Software. | |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE | |
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | |
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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{ | |
"name": "route", | |
"keywords": ["router", "URL", "hash", "location", "controller"] | |
} |
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<!-- see this page here: https://s3.amazonaws.com/paulirishfanclub/index.html --> | |
<script> | |
// Define the route function | |
var route = function(a,b,c){function d(){var b=location.hash,d=0,e,f;if(b!=c){while((e=a[d++])&&!(f=e.exec(b)))d++;a[d](f),c=b}}d(),setInterval(d,b||99)}; | |
// Define the renderer | |
function render(body) { | |
document.open(); | |
document.write( | |
"<body style='font-size:300%;color:fuchsia;background-color:papayawhip'>" + | |
header + | |
body + | |
footer + | |
"</body>" | |
); | |
document.close() | |
} | |
// and some html | |
var nav = "<a href='#pics'>PICS</a> | <a href='#vids'>VIDS</a> | <a href='#home'>HOME</a>" | |
var header = "<header>Welcome to my Paul Irish Fanpage!</header><div>[ " + nav + " ]</div>" | |
var footer = "<footer>This is the footer. Make sure you check the source!</footer>" | |
// Route up our app! | |
route([ | |
/^$/ , function(){ location.hash = "home" }, | |
/^#home$/ , function(){ render( "Click the links above. <a href='#paul_irish'>This link</a> doesn't work." ) }, | |
/^#pics$/ , function(){ render( '<img src="http://farm3.static.flickr.com/2557/3919895524_0386a7de8c_z.jpg">' ) }, | |
/^#vids$/ , function(){ render( '<iframe src="http://www.youtube.com/embed/N8SS-rUEZPg" width="560" height="349"></iframe>') }, | |
/* 404 */ , function(){ render( "404: Not found." ) } | |
]) | |
</script> |
awesome refactoring, uncle bob would be proud of you, you should also have linked a good book as a reference: http://www.amazon.ca/Clean-Code-Handbook-Software-Craftsmanship/dp/0132350882
thank you miller for forcing me to read it in the first place :D
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more about optimization: http://blog.millermedeiros.com/2010/10/the-performance-dogma/