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

DNB Eufemia Design System UI Library

"use client";

import _extends from "@babel/runtime/helpers/esm/extends";
import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
const _excluded = ["className", "children", "instance"];
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
import React from 'react';
import classnames from 'classnames';
import { warn, validateDOMAttributes, processChildren, getPreviousSibling } from '../../shared/component-helper';
import { useMediaQuery } from '../../shared';
import AccordionContext from './AccordionContext';
import { createSpacingClasses } from '../space/SpacingHelper';
import HeightAnimation from '../height-animation/HeightAnimation';
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
    } = props,
    rest = _objectWithoutProperties(props, _excluded);
  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 = getPreviousSibling('dnb-accordion-group--single-container', contentElem);
          if (no_animation) {
            containerElement.style.transitionDuration = '1ms';
          }
          const minHeight = (contentElem.offsetHeight + contentElem.offsetTop) / 16;
          containerElement.style.minHeight = `${minHeight}rem`;
        } catch (e) {
          warn(e);
        }
      }
    }
  };
  const renderContent = () => {
    const children = processChildren(props);
    const {
      expanded,
      prerender,
      prevent_rerender,
      prevent_rerender_conditional
    } = context;
    let content = children;
    if (typeof content === 'string') {
      content = React.createElement("p", {
        className: "dnb-p"
      }, content);
    }
    if (prevent_rerender) {
      if (!(expanded || prerender)) {
        content = null;
      }
      if (prevent_rerender_conditional && cacheRef.current !== content) {
        cacheRef.current = content;
      }
      if (cacheRef.current) {
        content = cacheRef.current;
      } else {
        cacheRef.current = content;
      }
    }
    return content;
  };
  React.useEffect(() => {
    if (expanded && single_container) {
      setContainerHeight();
    }
  }, [children, expanded, single_container]);
  React.useState(() => {
    if (instance && Object.prototype.hasOwnProperty.call(instance, 'current')) {
      instance.current = {
        setContainerHeight
      };
    }
  });
  const isSmallScreen = useMediaQuery({
    when: {
      max: 'small'
    }
  });
  const content = renderContent();
  const wrapperParams = _objectSpread({
    className: classnames('dnb-accordion__content', className)
  }, rest);
  const keepInDOM = prerender || prevent_rerender;
  const innerParams = {
    id: `${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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