@wordpress/components/build-module/range-control/tooltip.js

UI components for WordPress.

import _extends from "@babel/runtime/helpers/esm/extends";
import { createElement } from "@wordpress/element";

/**
 * External dependencies
 */
import classnames from 'classnames';
/**
 * WordPress dependencies
 */

import { useCallback, useEffect, useState } from '@wordpress/element';
/**
 * Internal dependencies
 */

import { Tooltip } from './styles/range-control-styles';
const TOOLTIP_OFFSET_HEIGHT = 32;
export default function SimpleTooltip({
  className,
  inputRef,
  position: positionProp = 'auto',
  show = false,
  style = {},
  value = 0,
  renderTooltipContent = v => v,
  zIndex = 100,
  ...restProps
}) {
  const position = useTooltipPosition({
    inputRef,
    position: positionProp
  });
  const classes = classnames('components-simple-tooltip', className);
  const styles = { ...style,
    zIndex
  };
  return createElement(Tooltip, _extends({}, restProps, {
    "aria-hidden": show,
    className: classes,
    position: position,
    show: show,
    role: "tooltip",
    style: styles
  }), renderTooltipContent(value));
}

function useTooltipPosition({
  inputRef,
  position: positionProp
}) {
  const [position, setPosition] = useState('top');
  const calculatePosition = useCallback(() => {
    if (inputRef && inputRef.current) {
      let nextPosition = positionProp;

      if (positionProp === 'auto') {
        const {
          top
        } = inputRef.current.getBoundingClientRect();
        const isOffscreenTop = top - TOOLTIP_OFFSET_HEIGHT < 0;
        nextPosition = isOffscreenTop ? 'bottom' : 'top';
      }

      setPosition(nextPosition);
    }
  }, [positionProp]);
  useEffect(() => {
    calculatePosition();
  }, [calculatePosition]);
  useEffect(() => {
    window.addEventListener('resize', calculatePosition);
    return () => {
      window.removeEventListener('resize', calculatePosition);
    };
  });
  return position;
}
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