Separate client and server codes. Keep everything in one git repo for simplicity

[vchess.git] / public / javascripts / utils / ajax.js

diff --git a/public/javascripts/utils/ajax.js b/public/javascripts/utils/ajax.js
deleted file mode 100644 (file)
index dc21705..0000000
--- a/public/javascripts/utils/ajax.js
+++ /dev/null
@@ -1,54 +0,0 @@
-// From JSON (encoded string values!) to "arg1=...&arg2=..."
-function toQueryString(data)
-{
-       let data_str = "";
-       Object.keys(data).forEach(k => {
-               data_str += k + "=" + encodeURIComponent(data[k]) + "&";
-       });
-       return data_str.slice(0, -1); //remove last "&"
-}
-
-// data, error: optional
-function ajax(url, method, data, success, error)
-{
-       let xhr = new XMLHttpRequest();
-       if (typeof(data) === "function") //no data
-       {
-               error = success;
-               success = data;
-               data = {};
-       }
-       if (!error)
-               error = errmsg => { alert(errmsg); };
-
-       xhr.onreadystatechange = function() {
-               if (this.readyState == 4 && this.status == 200)
-               {
-                       try {
-                               let res_json = JSON.parse(xhr.responseText);
-                               if (!res_json.errmsg)
-                                       success(res_json);
-                               else
-                                       error(res_json.errmsg);
-                       } catch (e) {
-                               // Plain text (e.g. for rules retrieval)
-                               success(xhr.responseText);
-                       }
-               }
-       };
-
-       if (["GET","DELETE"].includes(method) && !!data)
-       {
-               // Append query params to URL
-               url += "/?" + toQueryString(data);
-       }
-       xhr.open(method, url, true);
-       xhr.setRequestHeader('X-Requested-With', "XMLHttpRequest");
-       if (["POST","PUT"].includes(method))
-       {
-               xhr.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
-               xhr.send(JSON.stringify(data));
-       }
-       else
-               xhr.send();
-}