matsuby

/**
 * rank({
 *   array: [
 *     {name: 'a', age: 20},
 *     {name: 'b', age: 5},
 *     {name: 'c', age: 20},
 *     {name: 'd', age: 75},
 *     {name: 'e', age: 21},
 *   ],
 *   column: 'age',

matsuby

/**
 * denseRank({
 *   array: [
 *     {name: 'a', age: 20},
 *     {name: 'b', age: 5},
 *     {name: 'c', age: 20},
 *     {name: 'd', age: 75},
 *     {name: 'e', age: 21},
 *   ],
 *   column: 'age',

matsuby

type KV = Record<string, any>;

type MyParameters<F> = F extends (...args: infer P) => unknown
  ? P extends [infer A]
    ? A extends KV
      ? KV
      : [A]
    : P
  : never;