tiptap/packages/core/src/commands/command.ts

import { Command, Commands } from '../types'

declare module '@tiptap/core' {
  interface AllCommands {
    command: {
      /**
       * Define a command inline.
       */
      command: (fn: (props: Parameters<Command>[0]) => boolean) => Command,
    }
  }
}

export const command: Commands['command'] = fn => props => {
  return fn(props)
}