@salesforce/design-system-react/module/components/spinner/index.js

Salesforce Lightning Design System for React

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function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

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/* Copyright (c) 2015-present, salesforce.com, inc. All rights reserved */

/* Licensed under BSD 3-Clause - see LICENSE.txt or git.io/sfdc-license */
// # Spinner Component --- SLDS for React
// Implements the [Spinner design pattern - 2.1.0-beta.3 (204)](https://latest-204.lightningdesignsystem.com/components/spinners) in React.
// ### React
import React from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import checkProps from './check-props'; // ## Constants

import { SPINNER } from '../../utilities/constants';
import componentDoc from './component.json'; // ### Prop Types

var propTypes = {
  /**
   * **Assistive text for accessibility.**
   * This object is merged with the default props object on every render.
   * * `label`: Assistive text that is read out loud to screen readers.
   */
  assistiveText: PropTypes.shape({
    label: PropTypes.string
  }),

  /**
   * Custom css classes applied to Spinner container
   */
  containerClassName: PropTypes.string,

  /**
   * Custom css properties applied to Spinner container
   */
  containerStyle: PropTypes.object,

  /**
   * Render the spinner inside of a container.
   */
  hasContainer: PropTypes.bool,

  /**
   * Unique html id placed on div with role="status".
   */
  id: PropTypes.string,

  /**
   * Adds delay of 300ms to the spinner
   */
  isDelayed: PropTypes.bool,

  /**
   * Add styling to support a spinner inside an input field.
   */
  isInput: PropTypes.bool,

  /**
   * Add styling to support an inline spinner inside of the document flow.
   */
  isInline: PropTypes.bool,

  /**
   * Determines the size of the spinner
   */
  size: PropTypes.oneOf(['xx-small', 'x-small', 'small', 'medium', 'large']),

  /**
   * Determines the color of the spinner: `base` is gray, `brand` is blue, and `inverse` is white.
   */
  variant: PropTypes.oneOf(['base', 'brand', 'inverse'])
};
var defaultProps = {
  assistiveText: {
    label: 'Loading...'
  },
  isDelayed: false,
  isInline: false,
  isInput: false,
  hasContainer: true,
  size: 'medium',
  variant: 'base'
};
/**
 * Spinners are CSS loading indicators that should be shown when retrieving data or performing slow computations. In some cases, the first time a parent component loads, a stencil is preferred to indicate network activity.
 */

var Spinner = function Spinner(_ref) {
  var containerClassName = _ref.containerClassName,
      containerStyle = _ref.containerStyle,
      id = _ref.id,
      _ref$isDelayed = _ref.isDelayed,
      isDelayed = _ref$isDelayed === void 0 ? defaultProps.isDelayed : _ref$isDelayed,
      _ref$isInline = _ref.isInline,
      isInline = _ref$isInline === void 0 ? defaultProps.isInline : _ref$isInline,
      _ref$isInput = _ref.isInput,
      isInput = _ref$isInput === void 0 ? defaultProps.isInput : _ref$isInput,
      _ref$hasContainer = _ref.hasContainer,
      hasContainer = _ref$hasContainer === void 0 ? defaultProps.hasContainer : _ref$hasContainer,
      _ref$size = _ref.size,
      size = _ref$size === void 0 ? defaultProps.size : _ref$size,
      _ref$variant = _ref.variant,
      variant = _ref$variant === void 0 ? defaultProps.variant : _ref$variant,
      _ref$assistiveText = _ref.assistiveText,
      assistiveText = _ref$assistiveText === void 0 ? defaultProps.assistiveText : _ref$assistiveText,
      restProps = _objectWithoutProperties(_ref, ["containerClassName", "containerStyle", "id", "isDelayed", "isInline", "isInput", "hasContainer", "size", "variant", "assistiveText"]);

  checkProps(SPINNER, _objectSpread({
    containerClassName: containerClassName,
    containerStyle: containerStyle,
    id: id,
    isDelayed: isDelayed,
    isInline: isInline,
    isInput: isInput,
    hasContainer: hasContainer,
    size: size,
    variant: variant
  }, restProps), componentDoc);
  var mergedAssistiveText = typeof assistiveText === 'string' ? assistiveText : _objectSpread(_objectSpread({}, defaultProps.assistiveText), assistiveText).label;
  var spinnerClassName = classNames('slds-spinner', _defineProperty({
    'slds-spinner_inline': isInline,
    'slds-input__spinner': isInput,
    'slds-spinner_brand': variant === 'brand',
    'slds-spinner_inverse': variant === 'inverse',
    'slds-spinner_delayed': isDelayed
  }, "slds-spinner_".concat(size), size));
  var spinner = /*#__PURE__*/React.createElement("div", {
    "aria-hidden": "false",
    className: spinnerClassName,
    id: id,
    role: "status"
  }, mergedAssistiveText && /*#__PURE__*/React.createElement("span", {
    className: "slds-assistive-text"
  }, mergedAssistiveText), /*#__PURE__*/React.createElement("div", {
    className: "slds-spinner__dot-a"
  }), /*#__PURE__*/React.createElement("div", {
    className: "slds-spinner__dot-b"
  }));
  return hasContainer ? /*#__PURE__*/React.createElement("div", {
    className: classNames(containerClassName, 'slds-spinner_container'),
    style: containerStyle
  }, spinner) : spinner;
};

Spinner.displayName = SPINNER;
Spinner.propTypes = propTypes;
export default Spinner;
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