mstc is a minimal mustache-like template processor. It supports objects, arrays and can even call functions on them - all without using eval or new Function! Placeholders can contain any character except curly braces (that means you can have templates that render into templates).
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mstc - mustache style templating compressed to (less than) 140byt.es
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| function(a,b) { // a: template string, b: Object or Array with values to fill in | |
| // coerce a to a string | |
| return(a+'').replace( | |
| // search for anything with a mustache around it | |
| /\{\{([^{}]+)}}/g, | |
| function(c,d) { // c will be the complete placeholder, d the part between the mustaches | |
| // b is optional (but if passed, must be a type that is a valid operand for "in" | |
| return d in (b||{}) | |
| // if d is a method of b, call it, otherwise return its value | |
| ? (/^f/.test(typeof b[d]) ? b[d]() :b[d] ) | |
| // if d is not a member of b, don't replace anything to allow nested calls like | |
| // mstc(mstc(tmpl, obj), anotherObj) | |
| : c; | |
| } | |
| ); | |
| } |
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| function(a,b){return(a+'').replace(/\{\{([^{}]+)}}/g,function(c,d){return d in(b||{})?(/^f/.test(typeof b[d])?b[d]():b[d]):c})} |
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| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
| Version 2, December 2004 | |
| Copyright (C) 2011 Timo Kissing http://kissing.name | |
| Everyone is permitted to copy and distribute verbatim or modified | |
| copies of this license document, and changing it is allowed as long | |
| as the name is changed. | |
| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
| TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION | |
| 0. You just DO WHAT THE FUCK YOU WANT TO. |
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| { | |
| "name": "mustacheStyleTemplatesCompressed", | |
| "description": "Very minimal implementation of mustache style templating in JavaScript", | |
| "keywords": [ | |
| "140bytes", | |
| "mustache", | |
| "template" | |
| ] | |
| } |
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| <!DOCTYPE html> | |
| <head> | |
| <title>mstc: mustache style templates - compressed </title> | |
| </head> | |
| <body> | |
| <div>Expected value: <b>Hello @140bytes! How is the weather?</b></div> | |
| <div>Actual value: <b id="ret1"></b></div> | |
| <div>Expected value: <b>The array has a length of 3 and the first element is "foo". Ah, what the heck, here is all of it: foo,bar,bam</b></div> | |
| <div>Actual value: <b id="ret2"></b></div> | |
| <script> | |
| var mstc = function(a,b){return(a+'').replace(/\{\{([^{}]+)}}/g,function(c,d){return d in(b||{})?(/^f/.test(typeof b[d])?b[d]():b[d]):c})}; | |
| document.getElementById( "ret1" ).innerHTML = mstc('Hello {{w}}! How is the {{x}}?',{w:'@140bytes', x: function() {return 'weather';}}); | |
| document.getElementById( "ret2" ).innerHTML = mstc('The array has a length of {{length}} and the first element is "{{0}}". Ah, what the heck, here is all of it: {{join}}', ['foo', 'bar', 'bam']); | |
| </script> | |
| </body> | |
| </html> |
@tsaniel: no worries, that's why I have a bunch of additonal test cases locally ;)
Will update the gist later, your little trick gave me an idea I want to test...
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@tkissing: You're right! That was my bad.