async function* cleanWatch(dir: string) {
  let lastPath = null;
  let lastKind = null;
  for await (
    const { kind, paths } of Deno.watchFs(dir, {
      recursive: true,
    })
  ) {
    for (const path of paths) {
      if (lastPath != path || lastKind != kind) {
        lastPath = path;
        lastKind = kind;
        yield { kind, path };
      }
    }
  }
}

const color: Record<string, string> = {
  "any": "color: grey",
  "create": "color: lightgreen",
  "modify": "color: yellow",
  "remove": "color: red",
  "access": "color: cyan",
};

const prefix: Record<string, string> = {
  "any": "?",
  "create": "+",
  "modify": "~",
  "remove": "-",
  "access": ".",
};

let lastTime = new Date(0);
for await (
  const event of cleanWatch(Deno.args[0])
) {
  let time = new Date();
  if (time.valueOf() - lastTime.valueOf() > 5000) console.log(time);
  lastTime = time;

  console.log(`%c${prefix[event.kind]} ${event.path}`, color[event.kind]);
}

export {};