add URL base option for subfolder proxies

also cleaned up the naming of some things.

ts/admin.ts

@@ -121,10 +121,12 @@ window.toClipboard = (str: string): void => {
 function login(username: string, password: string, modal: boolean, button?: HTMLButtonElement, run?: (arg0: number) => void): void {
     const req = new XMLHttpRequest();
     req.responseType = 'json';
-    let url = "/token/login";
+    let url = window.URLBase;
     const refresh = (username == "" && password == "");
     if (refresh) {
-        url = "/token/refresh";
+        url += "/token/refresh";
+    } else {
+        url += "/token/login";
     }
     req.open("GET", url, true);
     if (!refresh) {

ts/modules/common.ts

@@ -46,7 +46,7 @@ export const addAttr = (el: HTMLElement, attr: string): void => el.classList.add
 
 export const _get = (url: string, data: Object, onreadystatechange: () => void): void => {
     let req = new XMLHttpRequest();
-    req.open("GET", url, true);
+    req.open("GET", window.URLBase + url, true);
     req.responseType = 'json';
     req.setRequestHeader("Authorization", "Bearer " + window.token);
     req.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
@@ -56,7 +56,7 @@ export const _get = (url: string, data: Object, onreadystatechange: () => void):
 
 export const _post = (url: string, data: Object, onreadystatechange: () => void, response?: boolean): void => {
     let req = new XMLHttpRequest();
-    req.open("POST", url, true);
+    req.open("POST", window.URLBase + url, true);
     if (response) {
         req.responseType = 'json';
     }
@@ -68,7 +68,7 @@ export const _post = (url: string, data: Object, onreadystatechange: () => void,
 
 export function _delete(url: string, data: Object, onreadystatechange: () => void): void {
     let req = new XMLHttpRequest();
-    req.open("DELETE", url, true);
+    req.open("DELETE", window.URLBase + url, true);
     req.setRequestHeader("Authorization", "Bearer " + window.token);
     req.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
     req.onreadystatechange = onreadystatechange;

ts/typings/d.ts

@@ -14,6 +14,7 @@ declare interface Window {
     bsVersion: number;
     bs5: boolean;
     BS: Bootstrap;
+    URLBase: string;
     Modals: BSModals;
     cssFile: string;
     availableProfiles: Array<any>;