carbon-components/es/components/inline-loading/inline-loading.js

Carbon Components is a component library for IBM Cloud

function _typeof(obj) {
  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
    _typeof = function _typeof(obj) {
      return typeof obj;
    };
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    _typeof = function _typeof(obj) {
      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
    };
  }

  return _typeof(obj);
}

function _classCallCheck(instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
}

function _defineProperties(target, props) {
  for (var i = 0; i < props.length; i++) {
    var descriptor = props[i];
    descriptor.enumerable = descriptor.enumerable || false;
    descriptor.configurable = true;
    if ("value" in descriptor) descriptor.writable = true;
    Object.defineProperty(target, descriptor.key, descriptor);
  }
}

function _createClass(Constructor, protoProps, staticProps) {
  if (protoProps) _defineProperties(Constructor.prototype, protoProps);
  if (staticProps) _defineProperties(Constructor, staticProps);
  return Constructor;
}

function _possibleConstructorReturn(self, call) {
  if (call && (_typeof(call) === "object" || typeof call === "function")) {
    return call;
  }

  return _assertThisInitialized(self);
}

function _assertThisInitialized(self) {
  if (self === void 0) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }

  return self;
}

function _getPrototypeOf(o) {
  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
    return o.__proto__ || Object.getPrototypeOf(o);
  };
  return _getPrototypeOf(o);
}

function _inherits(subClass, superClass) {
  if (typeof superClass !== "function" && superClass !== null) {
    throw new TypeError("Super expression must either be null or a function");
  }

  subClass.prototype = Object.create(superClass && superClass.prototype, {
    constructor: {
      value: subClass,
      writable: true,
      configurable: true
    }
  });
  if (superClass) _setPrototypeOf(subClass, superClass);
}

function _setPrototypeOf(o, p) {
  _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
    o.__proto__ = p;
    return o;
  };

  return _setPrototypeOf(o, p);
}
/**
 * Copyright IBM Corp. 2016, 2018
 *
 * This source code is licensed under the Apache-2.0 license found in the
 * LICENSE file in the root directory of this source tree.
 */


import settings from '../../globals/js/settings';
import mixin from '../../globals/js/misc/mixin';
import createComponent from '../../globals/js/mixins/create-component';
import initComponentBySearch from '../../globals/js/mixins/init-component-by-search';
import handles from '../../globals/js/mixins/handles';
import toggleAttribute from '../../globals/js/misc/toggle-attribute';

var InlineLoading =
/*#__PURE__*/
function (_mixin) {
  _inherits(InlineLoading, _mixin);
  /**
   * Spinner indicating loading state.
   * @extends CreateComponent
   * @extends InitComponentBySearch
   * @extends Handles
   * @param {HTMLElement} element The element working as a spinner.
   * @param {Object} [options] The component options.
   * @param {string} [options.initialState] The initial state, should be `inactive`, `active` or `finished`.
   */


  function InlineLoading(element, options) {
    var _this;

    _classCallCheck(this, InlineLoading);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(InlineLoading).call(this, element, options)); // Sets the initial state

    var initialState = _this.options.initialState;

    if (initialState) {
      _this.setState(initialState);
    }

    return _this;
  }
  /**
   * Sets active/inactive state.
   * @param {string} state The new state, should be `inactive`, `active` or `finished`.
   */


  _createClass(InlineLoading, [{
    key: "setState",
    value: function setState(state) {
      var states = this.constructor.states;
      var values = Object.keys(states).map(function (key) {
        return states[key];
      });

      if (values.indexOf(state) < 0) {
        throw new Error("One of the following value should be given as the state: ".concat(values.join(', ')));
      }

      var elem = this.element;
      var _this$options = this.options,
          selectorSpinner = _this$options.selectorSpinner,
          selectorFinished = _this$options.selectorFinished,
          selectorTextActive = _this$options.selectorTextActive,
          selectorTextFinished = _this$options.selectorTextFinished;
      var spinner = elem.querySelector(selectorSpinner);
      var finished = elem.querySelector(selectorFinished);
      var textActive = elem.querySelector(selectorTextActive);
      var textFinished = elem.querySelector(selectorTextFinished);

      if (spinner) {
        spinner.classList.toggle(this.options.classLoadingStop, state !== states.ACTIVE);
        toggleAttribute(spinner, 'hidden', state === states.FINISHED);
      }

      if (finished) {
        toggleAttribute(finished, 'hidden', state !== states.FINISHED);
      }

      if (textActive) {
        toggleAttribute(textActive, 'hidden', state !== states.ACTIVE);
      }

      if (textFinished) {
        toggleAttribute(textFinished, 'hidden', state !== states.FINISHED);
      }

      return this;
    }
    /**
     * The list of states.
     * @type {Object<string, string>}
     */

  }], [{
    key: "options",

    /**
     * The component options.
     * If `options` is specified in the constructor, {@linkcode InlineLoading.create .create()},
     * or {@linkcode InlineLoading.init .init()},
     * properties in this object are overriden for the instance being create and how {@linkcode InlineLoading.init .init()} works.
     * @member InlineLoading.options
     * @type {Object}
     * @property {string} selectorInit The CSS selector to find inline loading components.
     * @property {string} selectorSpinner The CSS selector to find the spinner.
     * @property {string} selectorFinished The CSS selector to find the "finished" icon.
     * @property {string} selectorTextActive The CSS selector to find the text describing the active state.
     * @property {string} selectorTextFinished The CSS selector to find the text describing the finished state.
     * @property {string} classLoadingStop The CSS class for spinner's stopped state.
     */
    get: function get() {
      var prefix = settings.prefix;
      return {
        selectorInit: '[data-inline-loading]',
        selectorSpinner: '[data-inline-loading-spinner]',
        selectorFinished: '[data-inline-loading-finished]',
        selectorTextActive: '[data-inline-loading-text-active]',
        selectorTextFinished: '[data-inline-loading-text-finished]',
        classLoadingStop: "".concat(prefix, "--loading--stop")
      };
    }
  }]);

  InlineLoading.states = {
    INACTIVE: 'inactive',
    ACTIVE: 'active',
    FINISHED: 'finished'
  };
  InlineLoading.components = new WeakMap();
  return InlineLoading;
}(mixin(createComponent, initComponentBySearch, handles));

export default InlineLoading;