test(branching): add new test for custom branching

src/scripts/repositories.js

@@ -1,27 +1,59 @@
+import { DockerRegistryUIError } from './error.js';
+
 const getRepositoryName = (split, max) => {
   let repositoryName = '';
-  for (let i = 0; i < max; i++) {
+  for (let i = 0; i < Math.min(max, split.length - 1); i++) {
     repositoryName += `${split[i]}/`;
   }
   return repositoryName;
 };
 
-export const getBranching =
-  (min = 1, max = 1) =>
-  (repositories) =>
+const getLatestRepository = (repo, repoName) => {
+  if (!repo.images) {
+    return;
+  }
+  if (repo.repo === repoName) {
+    return repo;
+  }
+  for (let i = 0; i < repo.images.length; i++) {
+    const res = getLatestRepository(repo.images[i], repoName);
+    if (res) {
+      return res;
+    }
+  }
+
+  if (repoName.startsWith(repo.repo)) {
+    const newRepo = { repo: repoName, images: [] };
+    repo.images.push(newRepo);
+    return newRepo;
+  }
+};
+
+export const getBranching = (min = 1, max = 1) => {
+  if (min > max) {
+    throw new DockerRegistryUIError(`min must be inferior to max (min: ${min} <= max: ${max})`);
+  } else if (max < 0 || min < 0) {
+    throw new DockerRegistryUIError(
+      `min and max must be greater than equals to 0 (min: ${min} >= 0 and max: ${max} >= 0)`
+    );
+  }
+  return (repositories) =>
     repositories.sort().reduce(function (acc, image) {
       const split = image.split('/');
       if (split.length > min && min > 0) {
         const repoName = getRepositoryName(split, max);
-        if (acc.length === 0 || acc[acc.length - 1].repo != repoName) {
-          acc.push({
+        let repo = acc.length > 0 && getLatestRepository(acc[acc.length - 1], repoName);
+        if (!repo) {
+          repo = {
             repo: repoName,
             images: [],
-          });
+          };
+          acc.push(repo);
         }
-        acc[acc.length - 1].images.push(image);
+        repo.images.push(image);
         return acc;
       }
       acc.push(image);
       return acc;
     }, []);
+};