Method updateArea

src/LGraphNode.ts:1929–1943

* Calculates the render area of this node, populating both boundingRect and renderArea. * Called automatically at the start of every frame.

(ctx: CanvasRenderingContext2D)

   * Called automatically at the start of every frame.
   */
  updateArea(ctx: CanvasRenderingContext2D): void {
    const bounds = this.#boundingRect
    this.measure(bounds, ctx)
    this.onBounding?.(bounds)

    const renderArea = this.#renderArea
    renderArea.set(bounds)
    // 4 offset for collapsed node connection points
    renderArea[0] -= 4
    renderArea[1] -= 4
    // Add shadow & left offset
    renderArea[2] += 6 + 4
    // Add shadow & top offsets
    renderArea[3] += 5 + 4
  }

  /**
   * checks if a point is inside the shape of a node