refactor(ui): clean code

ui/src/utils/error.ts

@@ -0,0 +1,15 @@
+export const getErrMsg = (error: unknown): string => {
+  if (error instanceof Error) {
+    return error.message;
+  } else if (typeof error === "object" && error != null) {
+    if ("message" in error) {
+      return String(error.message);
+    } else if ("msg" in error) {
+      return String(error.msg);
+    }
+  } else if (typeof error === "string") {
+    return error;
+  }
+
+  return "Something went wrong";
+};

ui/src/utils/file.ts

@@ -0,0 +1,35 @@
+import JSZip from "jszip";
+
+export function readFileContent(file: File): Promise<string> {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+
+    reader.onload = () => {
+      if (reader.result) {
+        resolve(reader.result.toString());
+      } else {
+        reject("No content found");
+      }
+    };
+
+    reader.onerror = () => reject(reader.error);
+
+    reader.readAsText(file);
+  });
+}
+
+export const saveFiles2Zip = async (zipName: string, files: { name: string; content: string }[]) => {
+  const zip = new JSZip();
+
+  files.forEach((file) => {
+    zip.file(file.name, file.content);
+  });
+
+  const content = await zip.generateAsync({ type: "blob" });
+
+  // Save the zip file to the local system
+  const link = document.createElement("a");
+  link.href = URL.createObjectURL(content);
+  link.download = zipName;
+  link.click();
+};

ui/src/utils/url.ts

@@ -0,0 +1,8 @@
+export function isValidURL(url: string): boolean {
+  try {
+    new URL(url);
+    return true;
+  } catch (error) {
+    return false;
+  }
+}