Method getPositionInRect

apps/chart/src/component/tooltip.ts:60–86

(model: TooltipModel)

  }

  getPositionInRect(model: TooltipModel) {
    const { target } = model;

    const startX = this.rect.x + model.x;
    const startY = this.rect.y + model.y;
    let x = startX + target.radius + target.width + this.offsetX;
    let y = startY + this.offsetY;

    const { overflowX, overflowY } = this.isTooltipContainerOverflow(x, y);
    const { width, height } = this.tooltipContainerEl.getBoundingClientRect();

    if (overflowX) {
      x =
        startX - (width + target.radius + this.offsetX) > 0
          ? startX - (width + target.radius + this.offsetX)
          : startX + this.offsetX;
    }

    if (overflowY) {
      y =
        startY + target.height - (height + this.offsetY) > 0
          ? startY + target.height - (height + this.offsetY)
          : y;
    }

    return { x, y };
  }

  setTooltipPosition(model: TooltipModel) {
    const { x, y } = this.getPositionInRect(model);