add diff netlify function

src/functions/diff.ts

@@ -0,0 +1,49 @@
+// import { diffEnvironments } from "@kontent-ai/data-ops";
+import { Handler } from "@netlify/functions";
+import { z } from "zod";
+import { fromError } from "zod-validation-error";
+
+const diffParamsSchema = z.strictObject({
+  sourceEnvironmentId: z.string(),
+  sourceApiKey: z.string(),
+  targetEnvironmentId: z.string(),
+  targetApiKey: z.string(),
+});
+
+export const handler: Handler = async (event) => {
+  if (event.httpMethod !== "POST") {
+    return {
+      statusCode: 405,
+      body: "Method not allowed",
+    };
+  }
+
+  const contentType = event.headers["content-type"] || event.headers["Content-Type"];
+  if (!contentType || !contentType.includes("application/json")) {
+    return {
+      statusCode: 400,
+      body: "Content-Type must be application/json",
+    };
+  }
+
+  const result = diffParamsSchema.safeParse(JSON.parse(event.body ?? ""));
+
+  if (!result.success) {
+    return {
+      statusCode: 400,
+      body: fromError(result.error).message,
+    };
+  }
+
+  // const diffHtml = await diffEnvironments({
+  //   sourceEnvironmentId: result.data.sourceEnvironmentId,
+  //   sourceApiKey: result.data.sourceApiKey,
+  //   targetEnvironmentId: result.data.targetEnvironmentId,
+  //   targetApiKey: result.data.targetApiKey,
+  // });
+
+  return {
+    statusCode: 200,
+    body: "diffHtml",
+  };
+};