Method forceRedraw

src/ink/ink.tsx:825–838

* Clear the physical terminal and force a full redraw. * * The traditional readline ctrl+l — clears the visible screen and * redraws the current content. Also the recovery path when the terminal * was cleared externally (macOS Cmd+K) and Ink's diff engine thinks * unchanged cells don'

()

   * unchanged cells don't need repainting. Scrollback is preserved.
   */
  forceRedraw(): void {
    if (!this.options.stdout.isTTY || this.isUnmounted || this.isPaused) return;
    this.options.stdout.write(ERASE_SCREEN + CURSOR_HOME);
    if (this.altScreenActive) {
      this.resetFramesForAltScreen();
    } else {
      this.repaint();
      // repaint() resets frontFrame to 0×0. Without this flag the next
      // frame's blit optimization copies from that empty screen and the
      // diff sees no content. onRender resets the flag at frame end.
      this.prevFrameContaminated = true;
    }
    this.onRender();
  }

  /**
   * Mark the previous frame as untrustworthy for blit, forcing the next