@dnb/eufemia/components/skeleton/Skeleton.js

DNB Eufemia Design System UI Library

"use client";

import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
const _excluded = ["show", "no_animation", "figure", "skeleton", "aria_busy", "aria_ready", "className", "children"];
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 PropTypes from 'prop-types';
import classnames from 'classnames';
import { extendPropsWithContextInClassComponent, validateDOMAttributes, isTrue } from '../../shared/component-helper';
import { LOCALE } from '../../shared/defaults';
import Space from '../space/Space';
import { spacingPropTypes, createSpacingClasses } from '../space/SpacingHelper';
import Context from '../../shared/Context';
import Provider from '../../shared/Provider';
export default class Skeleton extends React.PureComponent {
  constructor(props) {
    super(props);
    this.state = {
      ariaLiveUpdate: null
    };
  }
  componentWillUnmount() {
    clearTimeout(this._ariaLiveUpdateTimeout);
  }
  componentDidUpdate(prevProps) {
    if (prevProps.show !== this.props.show) {
      this.setAriaLiveUpdate();
    }
  }
  getProps() {
    let props = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.props;
    let context = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.context;
    return extendPropsWithContextInClassComponent(props, Skeleton.defaultProps, {
      skeleton: context.Skeleton || context.skeleton,
      no_animation: context.skeleton_no_animation
    }, context.getTranslation(props).Skeleton);
  }
  setAriaLiveUpdate() {
    clearTimeout(this._ariaLiveUpdateTimeout);
    this._ariaLiveUpdateTimeout = setTimeout(() => {
      const {
        aria_busy,
        aria_ready
      } = this.getProps();
      let newString = null;
      if (isTrue(this.props.show)) {
        newString = aria_busy;
      } else {
        newString = aria_ready;
      }
      if (newString) {
        this.setState({
          ariaLiveUpdate: newString
        });
        this._ariaLiveUpdateTimeout = setTimeout(() => {
          this.setState({
            ariaLiveUpdate: null
          });
        }, 1e3);
      }
    }, 1e3);
  }
  render() {
    const props = this.getProps();
    const {
        show,
        no_animation,
        figure,
        skeleton,
        aria_busy,
        aria_ready,
        className,
        children
      } = props,
      attributes = _objectWithoutProperties(props, _excluded);
    const {
      ariaLiveUpdate
    } = this.state;
    const showSkeleton = typeof show === 'boolean' || typeof show === 'string' ? isTrue(show) : skeleton;
    const params = _objectSpread({
      className: classnames(figure ? 'dnb-skeleton__figure' : 'dnb-skeleton__root', createSpacingClasses(props), className, isTrue(showSkeleton) && 'dnb-skeleton', isTrue(no_animation) && 'dnb-skeleton--no-animation'),
      'aria-busy': showSkeleton,
      'aria-label': showSkeleton ? aria_busy : undefined,
      lang: this.context.locale || LOCALE
    }, attributes);
    validateDOMAttributes(props, params);
    return React.createElement(Space, params, figure ? showSkeleton ? typeof figure === 'function' ? figure() : figure : children : React.createElement(Provider, {
      skeleton: showSkeleton,
      skeleton_no_animation: no_animation
    }, children), React.createElement("span", {
      className: "dnb-sr-only",
      "aria-live": "assertive"
    }, ariaLiveUpdate));
  }
}
_defineProperty(Skeleton, "contextType", Context);
_defineProperty(Skeleton, "defaultProps", {
  show: null,
  skeleton: null,
  no_animation: null,
  figure: null,
  aria_busy: null,
  aria_ready: null,
  element: null,
  className: null,
  children: null
});
process.env.NODE_ENV !== "production" ? Skeleton.propTypes = _objectSpread(_objectSpread({
  show: PropTypes.oneOfType([PropTypes.string, PropTypes.bool]),
  no_animation: PropTypes.oneOfType([PropTypes.string, PropTypes.bool]),
  figure: PropTypes.oneOfType([PropTypes.string, PropTypes.func, PropTypes.node]),
  aria_busy: PropTypes.string,
  aria_ready: PropTypes.string,
  element: PropTypes.node
}, spacingPropTypes), {}, {
  className: PropTypes.string,
  children: PropTypes.oneOfType([PropTypes.string, PropTypes.func, PropTypes.node])
}) : void 0;
function Exclude(props) {
  return React.createElement(Provider, _extends({}, props, {
    skeleton: false
  }));
}
Skeleton.Exclude = Exclude;
Skeleton._supportsSpacingProps = true;
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