Function findKey

pkgs/core/src/locale/_lib/buildMatchFn/index.ts:111–124

(
  object: Obj,
  predicate: (value: Value) => boolean,
)

}

function findKey<Value, Obj extends { [key in string | number]: Value }>(
  object: Obj,
  predicate: (value: Value) => boolean,
): keyof Obj | undefined {
  for (const key in object) {
    if (
      Object.prototype.hasOwnProperty.call(object, key) &&
      predicate(object[key])
    ) {
      return key;
    }
  }
  return undefined;
}

function findIndex<Item>(
  array: Item[],