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tt-rss/lib/dojo/request/registry.js.uncompressed.js

86 lines
1.7 KiB
JavaScript

define("dojo/request/registry", [
'require',
'../_base/array',
'./default!platform',
'./util'
], function(require, array, fallbackProvider, util){
var providers = [];
function request(url, options){
var matchers = providers.slice(0),
i = 0,
matcher;
while(matcher=matchers[i++]){
if(matcher(url, options)){
return matcher.request.call(null, url, options);
}
}
return fallbackProvider.apply(null, arguments);
}
function createMatcher(match, provider){
var matcher;
if(provider){
if(match.test){
// RegExp
matcher = function(url){
return match.test(url);
};
}else if(match.apply && match.call){
matcher = function(){
return match.apply(null, arguments);
};
}else{
matcher = function(url){
return url === match;
};
}
matcher.request = provider;
}else{
// If only one argument was passed, assume it is a provider function
// to apply unconditionally to all URLs
matcher = function(){
return true;
};
matcher.request = match;
}
return matcher;
}
request.register = function(url, provider, first){
var matcher = createMatcher(url, provider);
providers[(first ? 'unshift' : 'push')](matcher);
return {
remove: function(){
var idx;
if(~(idx = array.indexOf(providers, matcher))){
providers.splice(idx, 1);
}
}
};
};
request.load = function(id, parentRequire, loaded, config){
if(id){
// if there's an id, load and set the fallback provider
require([id], function(fallback){
fallbackProvider = fallback;
loaded(request);
});
}else{
loaded(request);
}
};
util.addCommonMethods(request);
return request;
});