json.js
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/** @license
* RequireJS plugin for loading JSON files
* - depends on Text plugin and it was HEAVILY "inspired" by it as well.
* Author: Miller Medeiros
* Version: 0.4.0 (2014/04/10)
* Released under the MIT license
*/
define(['text'], function(text){
var CACHE_BUST_QUERY_PARAM = 'bust',
CACHE_BUST_FLAG = '!bust',
jsonParse = (typeof JSON !== 'undefined' && typeof JSON.parse === 'function')? JSON.parse : function(val){
return eval('('+ val +')'); //quick and dirty
},
buildMap = {};
function cacheBust(url){
url = url.replace(CACHE_BUST_FLAG, '');
url += (url.indexOf('?') < 0)? '?' : '&';
return url + CACHE_BUST_QUERY_PARAM +'='+ Math.round(2147483647 * Math.random());
}
//API
return {
load : function(name, req, onLoad, config) {
if (( config.isBuild && (config.inlineJSON === false || name.indexOf(CACHE_BUST_QUERY_PARAM +'=') !== -1)) || (req.toUrl(name).indexOf('empty:') === 0)) {
//avoid inlining cache busted JSON or if inlineJSON:false
//and don't inline files marked as empty!
onLoad(null);
} else {
text.get(req.toUrl(name), function(data){
if (config.isBuild) {
buildMap[name] = data;
onLoad(data);
} else {
onLoad(jsonParse(data));
}
},
onLoad.error, {
accept: 'application/json'
}
);
}
},
normalize : function (name, normalize) {
// used normalize to avoid caching references to a "cache busted" request
if (name.indexOf(CACHE_BUST_FLAG) !== -1) {
name = cacheBust(name);
}
// resolve any relative paths
return normalize(name);
},
//write method based on RequireJS official text plugin by James Burke
//https://github.com/jrburke/requirejs/blob/master/text.js
write : function(pluginName, moduleName, write){
if(moduleName in buildMap){
var content = buildMap[moduleName];
write('define("'+ pluginName +'!'+ moduleName +'", function(){ return '+ content +';});\n');
}
}
};
});