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

DNB Eufemia Design System UI Library

"use client";

import _extends from "@babel/runtime-corejs3/helpers/esm/extends";
import _defineProperty from "@babel/runtime-corejs3/helpers/esm/defineProperty";
import React from 'react';
import PropTypes from 'prop-types';
import classnames from 'classnames';
import { extendPropsWithContextInClassComponent, validateDOMAttributes, isTrue } from "../../shared/component-helper.js";
import { LOCALE } from "../../shared/defaults.js";
import Space from "../space/Space.js";
import { spacingPropTypes, createSpacingClasses } from "../space/SpacingHelper.js";
import Context from "../../shared/Context.js";
import Provider from "../../shared/Provider.js";
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(props = this.props, context = 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,
      ...attributes
    } = props;
    const {
      ariaLiveUpdate
    } = this.state;
    const showSkeleton = typeof show === 'boolean' || typeof show === 'string' ? isTrue(show) : skeleton;
    const params = {
      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 = {
  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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