Method fit

lib/addons/fit.ts:84–127

* Fit the terminal to its container * * Calculates optimal dimensions and resizes the terminal. * Does nothing if dimensions cannot be calculated or haven't changed.

()

   * Does nothing if dimensions cannot be calculated or haven't changed.
   */
  public fit(): void {
    // Prevent re-entrant calls during resize
    if (this._isResizing) {
      return;
    }

    const dims = this.proposeDimensions();
    if (!dims || !this._terminal) {
      return;
    }

    // Access terminal to check current dimensions
    const terminal = this._terminal as any;
    const currentCols = terminal.cols;
    const currentRows = terminal.rows;

    // Check if dimensions actually changed (prevent feedback loops)
    // Compare against BOTH proposed dimensions AND current terminal dimensions
    if (
      (dims.cols === this._lastCols && dims.rows === this._lastRows) ||
      (dims.cols === currentCols && dims.rows === currentRows)
    ) {
      return;
    }

    // Store dimensions before resize
    this._lastCols = dims.cols;
    this._lastRows = dims.rows;

    // Set flag to prevent re-entrant calls
    this._isResizing = true;

    try {
      // Resize terminal
      if (terminal.resize && typeof terminal.resize === 'function') {
        terminal.resize(dims.cols, dims.rows);
      }
    } finally {
      // Clear flag after a short delay to allow DOM to settle
      setTimeout(() => {
        this._isResizing = false;
      }, 50);
    }
  }

  /**
   * Propose dimensions to fit the terminal to its container