1
export type RefKind = "branch" | "tag" | "other";
2
 
3
export type RefLike = {
4
  name: string;
5
};
6
 
7
export function shortRefName(refName: string): string {
8
  return refName.replace(/^refs\/(heads|tags)\//, "");
9
}
10
 
11
export function classifyRef(refName: string): RefKind {
12
  if (refName.startsWith("refs/heads/")) return "branch";
13
  if (refName.startsWith("refs/tags/")) return "tag";
14
  return "other";
15
}
16
 
17
export function formatRefOption(ref: RefLike): { name: string; displayName: string } {
18
  const short = shortRefName(ref.name);
19
  return {
20
    name: encodeURIComponent(short),
21
    displayName: short.length > 30 ? `${short.slice(0, 27)}...` : short,
22
  };
23
}
24
 
25
export function countRefsByKind(refs: readonly RefLike[]): {
26
  branchCount: number;
27
  tagCount: number;
28
  otherCount: number;
29
} {
30
  let branchCount = 0;
31
  let tagCount = 0;
32
  let otherCount = 0;
33
 
34
  for (const ref of refs) {
35
    const kind = classifyRef(ref.name);
36
    if (kind === "branch") branchCount++;
37
    else if (kind === "tag") tagCount++;
38
    else otherCount++;
39
  }
40
 
41
  return { branchCount, tagCount, otherCount };
42
}