refactoring

test/cmap-interchange.test.js

@@ -2,9 +2,21 @@
 
 const test = require("node:test");
 const assert = require("node:assert/strict");
-const {
-  buildBundle, validateBundle, preparedMapDocument, attachmentUrls, replaceAttachmentUrls
-} = require("../static/js/cmap-interchange.js");
+let buildBundle;
+let validateBundle;
+let preparedMapDocument;
+let attachmentUrls;
+let replaceAttachmentUrls;
+
+test.before(async () => {
+  ({
+    buildBundle,
+    validateBundle,
+    preparedMapDocument,
+    attachmentUrls,
+    replaceAttachmentUrls
+  } = await import("../static/js/wiki/cmap/interchange.js"));
+});
 
 const conceptId = "24d27086-9f8b-4b57-a7fb-47b513277555";
 const childId = "53ef1cf3-c936-48f7-889a-ad644fab9321";
@@ -150,6 +162,24 @@ test("invalid connector endpoints and duplicate slugs are rejected", () => {
   assert.throws(() => validateBundle(bundle), /unknown item[\s\S]*duplicated/);
 });
 
+test("bundle export omits connectors whose endpoint no longer exists", async () => {
+  const mapWithDanglingConnectors = structuredClone(root);
+  mapWithDanglingConnectors.document.connectors.push(
+    { id: 2, sourceId: 10, targetId: 99 },
+    { id: 3, sourceId: 98, targetId: 11 }
+  );
+
+  const bundle = await buildBundle({
+    rootMap: mapWithDanglingConnectors,
+    maxDepth: 0,
+    loadConceptMap: async () => { throw new Error("not loaded"); },
+    loadWikiPage: async (reference) => pages.get(reference),
+    loadAttachment
+  });
+
+  assert.deepEqual(bundle.cmaps[0].document.connectors, root.document.connectors);
+});
+
 test("external concept links only accept complete http or https URLs", () => {
   const bundle = {
     format: "racket-wiki-cmap-bundle", formatVersion: 1, rootCmapSlug: "map",