LeetCodeSolutions
Advertisement

2797. Partial Function with Placeholders

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
type JSONValue =
  | null
  | boolean
  | number
  | string
  | JSONValue[]
  | { [key: string]: JSONValue };
type Fn = (...args: JSONValue[]) => JSONValue;

function partial(fn: Fn, args: JSONValue[]): Fn {
  return function (...restArgs) {
    return fn(
      ...args
        .map((arg) => (arg === '_' ? restArgs.shift() : arg))
        .concat(restArgs)
    );
  };
}
Advertisement