Initial curated Unraid-AppOps-Gateway source from 3bd6f6fee310125bfbb4d4650389a817f498724d

src/lib/operatorError.test.ts

@@ -0,0 +1,20 @@
+import assert from "node:assert/strict";
+import { describe, it } from "node:test";
+
+import { formatOperatorError } from "./operatorError.ts";
+
+describe("formatOperatorError", () => {
+  it("turns an HTML or JSON parser response into operator copy", () => {
+    const result = formatOperatorError(
+      new Error("Unexpected token '<', \"<!doctype html>\" is not valid JSON"),
+      "Operations map laden mislukt.",
+    );
+
+    assert.equal(result, "Operations map laden mislukt. De backendbron gaf geen geldige API-respons.");
+    assert.doesNotMatch(result, /doctype|unexpected token/i);
+  });
+
+  it("keeps a concise backend message", () => {
+    assert.equal(formatOperatorError(new Error("Portainer is niet bereikbaar."), "Laden mislukt."), "Portainer is niet bereikbaar.");
+  });
+});