Function cacheKey

packages/session-ui/src/components/file.tsx:1087–1090

(contents: string)

    onCleanup(done)

    const cacheKey = (contents: string) => {
      if (!large()) return sampledChecksum(contents, contents.length)
      return sampledChecksum(contents)
    }

    const before = local.before
      ? { ...local.before, contents: beforeContents, cacheKey: cacheKey(beforeContents) }