first commit

src/utils.ts

@@ -0,0 +1,24 @@
+import { ApiError, ValidationError } from "./types/errors.ts";
+import { FileContent, ValidationResult } from "./types/validation.ts";
+
+export function toBlob(content: FileContent): Blob {
+  if (content instanceof Blob) return content;
+  return new Blob([content]);
+}
+
+export async function handleResponse(
+  response: Response,
+): Promise<ValidationResult> {
+  if (!response.ok) {
+    const errorData = await response.json().catch(() => ({
+      message: response.statusText,
+      status: `${response.status}`,
+    })) as ApiError;
+    throw new ValidationError(
+      errorData.message || "Unknown error",
+      response.status,
+    );
+  }
+  const data = await response.json();
+  return data as ValidationResult;
+}