Function preWrite

preWrite(level, state, writer): Promise<void>
Parameters
- level: number
- state: CursorState
- writer: ((level: number, state: CursorState) => Promise<void>)
  - - (level, state): Promise<void>
    - Parameters
      level: number
      state: CursorState
      Returns Promise<void>
Returns Promise<void>
- Defined in src/cursor.ts:100