Method bumpNeighbours

packages/blockly/core/block_svg.ts:1649–1681

* Bumps unconnected blocks out of alignment. * * Two blocks which aren't actually connected should not coincidentally line * up on screen, because that creates confusion for end-users.

()

   * up on screen, because that creates confusion for end-users.
   */
  override bumpNeighbours() {
    const root = this.getRootBlock();
    if (
      this.isDeadOrDying() ||
      this.workspace.isDragging() ||
      this.isDragging() ||
      root.isInFlyout
    ) {
      return;
    }

    function neighbourIsInStack(neighbour: RenderedConnection) {
      return neighbour.getSourceBlock().getRootBlock() === root;
    }

    for (const conn of this.getConnections_(false)) {
      if (conn.isSuperior()) {
        // Recurse down the block stack.
        conn.targetBlock()?.bumpNeighbours();
      }

      for (const neighbour of conn.neighbours(config.snapRadius)) {
        if (neighbourIsInStack(neighbour)) continue;
        if (conn.isConnected() && neighbour.isConnected()) continue;

        if (conn.isSuperior()) {
          neighbour.bumpAwayFrom(conn, /* initiatedByThis = */ false);
        } else if (!neighbour.getSourceBlock().isDragging()) {
          conn.bumpAwayFrom(neighbour, /* initiatedByThis = */ true);
        }
      }
    }
  }

  /**
   * Snap to grid, and then bump neighbouring blocks away at the end of the next