mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-17 23:34:50 +00:00
66 lines
1.7 KiB
JavaScript
66 lines
1.7 KiB
JavaScript
|
/*\
|
||
|
|
title: $:/core/modules/utils/dom/http.js
|
||
|
|
type: application/javascript
|
||
|
|
module-type: utils
|
||
|
|
|
||
|
|
Browser HTTP support
|
||
|
|
|
||
|
|
\*/
|
||
|
|
(function(){
|
||
|
|
|
||
|
|
/*jslint node: true, browser: true */
|
||
|
|
/*global $tw: false */
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
/*
|
||
|
|
A quick and dirty HTTP function; to be refactored later. Options are:
|
||
|
|
url: URL to retrieve
|
||
|
|
type: GET, PUT, POST etc
|
||
|
|
callback: function invoked with (err,data)
|
||
|
|
*/
|
||
|
|
exports.httpRequest = function(options) {
|
||
|
|
var type = options.type || "GET",
|
||
|
|
headers = options.headers || {accept: "application/json"},
|
||
|
|
request = new XMLHttpRequest(),
|
||
|
|
data = "",
|
||
|
|
f,results;
|
||
|
|
// Massage the data hashmap into a string
|
||
|
|
if(options.data) {
|
||
|
|
if(typeof options.data === "string") { // Already a string
|
||
|
|
data = options.data;
|
||
|
|
} else { // A hashmap of strings
|
||
|
|
results = [];
|
||
|
|
$tw.utils.each(options.data,function(dataItem,dataItemTitle) {
|
||
|
|
results.push(dataItemTitle + "=" + encodeURIComponent(dataItem));
|
||
|
|
});
|
||
|
|
data = results.join("&");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Set up the state change handler
|
||
|
|
request.onreadystatechange = function() {
|
||
|
|
if(this.readyState === 4) {
|
||
|
|
if(this.status === 200 || this.status === 204) {
|
||
|
|
// Success!
|
||
|
|
options.callback(null,this.responseText,this);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
// Something went wrong
|
||
|
|
options.callback(new Error("XMLHttpRequest error: " + this.status));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
// Make the request
|
||
|
|
request.open(type,options.url,true);
|
||
|
|
if(headers) {
|
||
|
|
$tw.utils.each(headers,function(header,headerTitle,object) {
|
||
|
|
request.setRequestHeader(headerTitle,header);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if(data && !$tw.utils.hop(headers,"Content-type")) {
|
||
|
|
request.setRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8");
|
||
|
|
}
|
||
|
|
request.send(data);
|
||
|
|
return request;
|
||
|
|
};
|
||
|
|
|
||
|
|
})();
|