@kiwicom/orbit-components/es/Tooltip/helpers/resolveContainerAlign.js

Orbit-components is a React component library which provides developers with the easiest possible way of building Kiwi.com’s products.

import { css } from "styled-components";
import { isHorizontal, isVertical } from "./isPosition";
import { isAlignCenter, isAlignEnd, isAlignStart } from "./isAlign";
import { TOOLTIP_ARROW_SIZE, TOOLTIP_PADDING } from "../consts";

const resolveContainerAlign = ({
  align,
  position,
  containerTop,
  containerLeft,
  containerHeight,
  containerWidth,
  tooltipHeight,
  tooltipWidth
}) => {
  if (isAlignCenter(align)) {
    if (isHorizontal(position)) {
      return css(["top:", "px;"], Math.floor(containerTop + containerHeight / 2 - tooltipHeight / 2));
    }

    if (isVertical(position)) {
      return css(["left:", "px;"], Math.floor(containerLeft + containerWidth / 2 - tooltipWidth / 2));
    }

    return null;
  }

  if (isAlignStart(align)) {
    if (isHorizontal(position)) {
      return css(["top:", "px;"], Math.floor(containerTop - parseFloat(TOOLTIP_ARROW_SIZE)));
    }

    if (isVertical(position)) {
      return css(["left:", "px;"], Math.floor(containerLeft + containerWidth / 2 - parseFloat(TOOLTIP_PADDING) - parseFloat(TOOLTIP_ARROW_SIZE)));
    }
  } else if (isAlignEnd(align)) {
    if (isHorizontal(position)) {
      return css(["top:", "px;"], Math.floor(containerTop - tooltipHeight + containerHeight + parseFloat(TOOLTIP_ARROW_SIZE)));
    }

    if (isVertical(position)) {
      return css(["left:", "px;"], Math.floor(containerLeft + containerWidth - tooltipWidth + parseFloat(TOOLTIP_ARROW_SIZE)));
    }
  }

  return null;
};

export default resolveContainerAlign;