62 lines
2.2 KiB
JavaScript
62 lines
2.2 KiB
JavaScript
/** @license
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* RequireJS plugin for loading JSON files
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* - depends on Text plugin and it was HEAVILY "inspired" by it as well.
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* Author: Miller Medeiros
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* Version: 0.3.1 (2013/02/04)
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* Released under the MIT license
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*/
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define(['text'], function(text){
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var CACHE_BUST_QUERY_PARAM = 'bust',
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CACHE_BUST_FLAG = '!bust',
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jsonParse = (typeof JSON !== 'undefined' && typeof JSON.parse === 'function')? JSON.parse : function(val){
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return eval('('+ val +')'); //quick and dirty
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},
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buildMap = {};
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function cacheBust(url){
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url = url.replace(CACHE_BUST_FLAG, '');
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url += (url.indexOf('?') < 0)? '?' : '&';
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return url + CACHE_BUST_QUERY_PARAM +'='+ Math.round(2147483647 * Math.random());
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}
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//API
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return {
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load : function(name, req, onLoad, config) {
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if ( config.isBuild && (config.inlineJSON === false || name.indexOf(CACHE_BUST_QUERY_PARAM +'=') !== -1) ) {
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//avoid inlining cache busted JSON or if inlineJSON:false
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onLoad(null);
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} else {
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text.get(req.toUrl(name), function(data){
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if (config.isBuild) {
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buildMap[name] = data;
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onLoad(data);
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} else {
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onLoad(jsonParse(data));
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}
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},
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onLoad.error, {
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accept: 'application/json'
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}
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);
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}
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},
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normalize : function (name, normalize) {
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//used normalize to avoid caching references to a "cache busted" request
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return (name.indexOf(CACHE_BUST_FLAG) === -1)? name : cacheBust(name);
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},
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//write method based on RequireJS official text plugin by James Burke
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//https://github.com/jrburke/requirejs/blob/master/text.js
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write : function(pluginName, moduleName, write){
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if(moduleName in buildMap){
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var content = buildMap[moduleName];
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write('define("'+ pluginName +'!'+ moduleName +'", function(){ return '+ content +';});\n');
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}
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}
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};
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});
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