Class NullFrame

src/Frame.ts:14–28

}

class NullFrame implements IFrame {
  public prev: IFrame | null = null
  constructor(
    public readonly startTime: number = 0,
    public readonly endTime: number = 0
  ) { }
  duration(): number { return this.endTime - this.startTime }
  data(endTime: number, startTime?: number): string { return '' }
  snapshot(): string {
    if (this.prev) {
      return this.prev.snapshot()
    }
    return ''
  }
}

export type FrameSnapshotFn = (s: string) => string
export const DEFAULT_FRAME_SNAPSHOT_FN = (s: string) => s