@dnb/eufemia/components/accordion/AccordionContent.js

DNB Eufemia Design System UI Library

"use client";

import _extends from "@babel/runtime-corejs3/helpers/esm/extends";
import _Object$hasOwn from "core-js-pure/stable/object/has-own.js";
import React from 'react';
import classnames from 'classnames';
import { warn, validateDOMAttributes, processChildren, getClosestParent } from "../../shared/component-helper.js";
import { useMediaQuery } from "../../shared/index.js";
import AccordionContext from "./AccordionContext.js";
import { createSpacingClasses } from "../space/SpacingHelper.js";
import HeightAnimation from "../height-animation/HeightAnimation.js";
export default function AccordionContent(props) {
  const context = React.useContext(AccordionContext);
  const {
    id,
    expanded,
    prerender,
    prevent_rerender,
    single_container,
    disabled,
    no_animation,
    contentRef
  } = context;
  const {
    className,
    children,
    instance,
    ...rest
  } = props;
  let elementRef = React.useRef(null);
  const cacheRef = React.useRef(null);
  if (contentRef) {
    elementRef = contentRef;
  }
  const setContainerHeight = () => {
    const {
      single_container
    } = context;
    if (single_container) {
      const contentElem = elementRef.current;
      if (contentElem) {
        try {
          contentElem.style.height = '';
          const containerElement = getClosestParent('dnb-accordion-group--single-container', contentElem);
          if (no_animation) {
            containerElement.style.transitionDuration = '1ms';
          }
          const minHeight = (contentElem.offsetHeight + contentElem.offsetTop) / 16;
          containerElement.style.minHeight = `${minHeight}rem`;
        } catch (e) {
          warn(e);
        }
      }
    }
  };
  const renderContent = () => {
    const children = processChildren(props);
    const {
      expanded,
      prerender,
      prevent_rerender,
      prevent_rerender_conditional
    } = context;
    let content = children;
    if (typeof content === 'string') {
      content = React.createElement("p", {
        className: "dnb-p"
      }, content);
    }
    if (prevent_rerender) {
      if (!(expanded || prerender)) {
        content = null;
      }
      if (prevent_rerender_conditional && cacheRef.current !== content) {
        cacheRef.current = content;
      }
      if (cacheRef.current) {
        content = cacheRef.current;
      } else {
        cacheRef.current = content;
      }
    }
    return content;
  };
  React.useEffect(() => {
    if (expanded && single_container) {
      setContainerHeight();
    }
  }, [children, expanded, single_container, setContainerHeight]);
  React.useState(() => {
    if (instance && _Object$hasOwn(instance, 'current')) {
      instance.current = {
        setContainerHeight
      };
    }
  });
  const isSmallScreen = useMediaQuery({
    when: {
      max: 'small'
    }
  });
  const content = renderContent();
  const wrapperParams = {
    className: classnames('dnb-accordion__content', className),
    ...rest
  };
  const keepInDOM = prerender || prevent_rerender;
  const innerParams = {
    id: `${id}-content`,
    'aria-labelledby': `${id}-header`,
    className: classnames('dnb-accordion__content__inner', createSpacingClasses(rest))
  };
  if (expanded) {
    innerParams['aria-expanded'] = true;
  }
  if (!expanded || disabled) {
    innerParams.disabled = true;
    innerParams['aria-hidden'] = true;
  }
  validateDOMAttributes(props, wrapperParams);
  validateDOMAttributes(null, innerParams);
  const animate = !no_animation && (single_container ? isSmallScreen : true);
  return React.createElement(HeightAnimation, _extends({}, wrapperParams, {
    open: expanded,
    animate: animate,
    keepInDOM: keepInDOM,
    innerRef: elementRef
  }), React.createElement("section", innerParams, content));
}
AccordionContent._supportsSpacingProps = true;
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