Fixed fs-job for modloader

src/js/main.js

@@ -135,17 +135,20 @@ window.onload = async () => {
     let instance = undefined;
     let modFolderContents = [];
     if (G_IS_STANDALONE) {
-        modFolderContents = getIPCRenderer().send("fs-job", {
+        const dirResult = await getIPCRenderer().invoke("fs-job", {
             folder: "mods",
             type: "readDir",
             filename: "",
-        }).data;
+        });
+        if (dirResult.success) modFolderContents = dirResult.data;
+
         if (modFolderContents.includes("modpack.json")) {
-            instance = getIPCRenderer().send("fs-job", {
+            const instanceResult = await getIPCRenderer().invoke("fs-job", {
                 folder: "mods",
                 type: "read",
                 filename: "modpack.json",
             });
+            if (instanceResult.success) instance = JSON.parse(instanceResult.data);
         }
     } else {
         user = JSON.parse(localStorage.getItem("user"));

src/js/modloader/modmanager.js

@@ -91,12 +91,15 @@ export class ModManager {
      */
     addMod(url, fromFile = false) {
         if (fromFile && G_IS_STANDALONE) {
-            return new Promise((resolve, reject) => {
+            return new Promise(async (resolve, reject) => {
-                const modCode = getIPCRenderer().send("fs-job", {
+                const modCodeResult = await getIPCRenderer().invoke("fs-job", {
                     folder: "mods",
                     type: "read",
                     filename: url,
-                }).data;
+                });
+                if (!modCodeResult.success) return reject("Mod is invalid");
+
+                const modCode = modCodeResult.data;
                 const modScript = document.createElement("script");
                 modScript.textContent = modCode;
                 modScript.type = "text/javascript";