bazaarscript for avg and count added

bazaar.user.js

@@ -0,0 +1,58 @@
+// ==UserScript==
+// @name         Bazaar Helper
+// @namespace    https://jotde.eu
+// @updateURL    https://github.com/Kivou-2000607/gym-formula/raw/master/js/gym.user.js
+// @version      0.1
+// @description  try to take over the world!
+// @author       JotDe:
+// @match        https://www.torn.com/bazaar.php*
+// @grant        GM.xmlHttpRequest
+// ==/UserScript==
+
+
+const callMarketApi = new Promise((resolve, reject) => {
+    GM.xmlHttpRequest({
+        method: "GET",
+        url: "http://jotde.eu/api/market",
+        onload: function(response) {
+            if (response.status != 200) {
+                reject(`HTTP Status ${response.status} ${response.statusText}: ${response.responseText}`);
+            }
+            resolve(JSON.parse(response.responseText));
+        }
+    });
+
+});
+
+async function forElement(element) {
+    while (!document.querySelector(element)) {
+        await new Promise(resolve => setTimeout(resolve, 500));
+    }
+}
+
+async function changePlaceholder(marketItems) {
+
+    let itemList = document.querySelectorAll(selectedBazaarTab + " li");
+    console.log(marketItems);
+    itemList.forEach(item => {
+        itemid = item.querySelector('img').getAttribute('src').split('/')[3];
+        
+        marketItem = marketItems[itemid];
+        if(marketItem){
+            item.querySelector('div[class="amount"] input[type="text"]').setAttribute('placeholder', marketItem['count']);
+            item.querySelector('div[class="price"] div[class^="input-money-group"] input[type="text"]').setAttribute('placeholder', marketItem['avg']);
+        }
+    });
+}
+
+async function writeErrorOnConsole(error) {
+    console.log(error);
+}
+
+async function run() {
+    selectedBazaarTab = 'ul[class^="items-cont"][style="display:block;"]';
+    await forElement(selectedBazaarTab);
+    callMarketApi.then(changePlaceholder, writeErrorOnConsole);
+}
+
+run();