mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-18 15:54:50 +00:00
dbde2bf23b
The refactored plugin is `tiddlyweb2` for the moment. The idea is to be able to use the same syncer with a different adaptor for syncing changes to the local file system.
66 lines
1.7 KiB
JavaScript
66 lines
1.7 KiB
JavaScript
/*\
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title: $:/core/modules/utils/dom/http.js
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type: application/javascript
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module-type: utils
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Browser HTTP support
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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/*
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A quick and dirty HTTP function; to be refactored later. Options are:
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url: URL to retrieve
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type: GET, PUT, POST etc
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callback: function invoked with (err,data)
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*/
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exports.httpRequest = function(options) {
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var type = options.type || "GET",
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headers = options.headers || {accept: "application/json"},
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request = new XMLHttpRequest(),
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data = "",
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f,results;
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// Massage the data hashmap into a string
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if(options.data) {
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if(typeof options.data === "string") { // Already a string
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data = options.data;
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} else { // A hashmap of strings
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results = [];
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$tw.utils.each(options.data,function(dataItem,dataItemTitle) {
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results.push(dataItemTitle + "=" + encodeURIComponent(dataItem));
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});
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data = results.join("&");
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}
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}
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// Set up the state change handler
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request.onreadystatechange = function() {
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if(this.readyState === 4) {
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if(this.status === 200 || this.status === 204) {
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// Success!
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options.callback(null,this.responseText,this);
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return;
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}
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// Something went wrong
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options.callback(new Error("XMLHttpRequest error: " + this.status));
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}
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};
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// Make the request
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request.open(type,options.url,true);
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if(headers) {
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$tw.utils.each(headers,function(header,headerTitle,object) {
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request.setRequestHeader(headerTitle,header);
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});
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}
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if(data && !$tw.utils.hop(headers,"Content-type")) {
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request.setRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8");
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}
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request.send(data);
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return request;
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};
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})();
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