dynamically insert either single object or array of objects breaking types

So here's 3 renditions of the same fn

const insertFighterSolo = async (fighterInsertData: FighterInsert) => {
  return db.insert(fighters).values(fighterInsertData);
};

const insertFighterArray = async (fighterInsertData: FighterInsert[]) => {
  return db.insert(fighters).values(fighterInsertData);
};

const insertFightersEither = async (fighterInsertData: FighterInsert | FighterInsert[]) => {
  return db.insert(fighters).values(fighterInsertData);
};

const insertFighterSolo = async (fighterInsertData: FighterInsert) => {
  return db.insert(fighters).values(fighterInsertData);
};

const insertFighterArray = async (fighterInsertData: FighterInsert[]) => {
  return db.insert(fighters).values(fighterInsertData);
};

const insertFightersEither = async (fighterInsertData: FighterInsert | FighterInsert[]) => {
  return db.insert(fighters).values(fighterInsertData);
};

Counterintuitively, the first two seem to work fine (not getting yelled at by typechecker), but the third, which I think to be entirely valid TypeScript, gives me a

No overload matches this call. Overload 1 of 2,...

No overload matches this call. Overload 1 of 2,...

Any idea on this? Is it something to do with the uncertain shape of the incoming parameter that it can't handle or something

Drizzle Team•3y ago

jack

dynamically insert either single object or array of objects breaking types

So here's 3 renditions of the same fn

const insertFighterSolo = async (fighterInsertData: FighterInsert) => {
  return db.insert(fighters).values(fighterInsertData);
};

const insertFighterArray = async (fighterInsertData: FighterInsert[]) => {
  return db.insert(fighters).values(fighterInsertData);
};

const insertFightersEither = async (fighterInsertData: FighterInsert | FighterInsert[]) => {
  return db.insert(fighters).values(fighterInsertData);
};

const insertFighterSolo = async (fighterInsertData: FighterInsert) => {
  return db.insert(fighters).values(fighterInsertData);
};

const insertFighterArray = async (fighterInsertData: FighterInsert[]) => {
  return db.insert(fighters).values(fighterInsertData);
};

const insertFightersEither = async (fighterInsertData: FighterInsert | FighterInsert[]) => {
  return db.insert(fighters).values(fighterInsertData);
};

Counterintuitively, the first two seem to work fine (not getting yelled at by typechecker), but the third, which I think to be entirely valid TypeScript, gives me a

No overload matches this call. Overload 1 of 2,...

No overload matches this call. Overload 1 of 2,...

Any idea on this? Is it something to do with the uncertain shape of the incoming parameter that it can't handle or something

dynamically insert either single object or array of objects breaking types

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