Function merge

packages/opencode/src/project/vcs.ts:23–29

(...lists: Git.Item[][])

  new Map(list.map((item) => [item.file, { additions: item.additions, deletions: item.deletions }] as const))

const merge = (...lists: Git.Item[][]) => {
  const out = new Map<string, Git.Item>()
  lists.flat().forEach((item) => {
    if (!out.has(item.file)) out.set(item.file, item)
  })
  return [...out.values()]
}

const emptyBatch = () => ({ patches: new Map<string, string>(), capped: false })