Get query execution stats in mongosh

getExecutionStats.js

// Add to ~/.mongoshrc.js
// getExectionTime(<query>, <collection>, [hint])
// Usage example: getExecutionTime({ "name": "John" }, "users", { "name": 1 })

const getExecutionTime = (query, coll, hint = null) => {
  hint ? console.log("Using hint: ", hint) : null;
  query ? console.log("Using query: ", query) : null
  currentDB = db.getName();
  if (currentDB === "admin" || currentDB === "test") {
    throw new Error("Cannot run getExecutionTime() in admin or test databases")
  }
  currentDB ? console.log("On database: ", currentDB) : null;
  coll = db.getCollection(coll);
  let result;
  hint
    ? result =coll.find(query).hint(hint).explain("executionStats")
    : result = coll.find(query).explain("executionStats");
  return result.executionStats.executionTimeMillis;
}