Function mapInput

src/hooks/useTextInput.ts:32–37

(input_map: Array<[string, InputHandler]>)

type InputMapper = (input: string) => MaybeCursor
const NOOP_HANDLER: InputHandler = () => {}
function mapInput(input_map: Array<[string, InputHandler]>): InputMapper {
  const map = new Map(input_map)
  return function (input: string): MaybeCursor {
    return (map.get(input) ?? NOOP_HANDLER)(input)
  }
}

export type UseTextInputProps = {
  value: string