foundation.js

/**
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

export default class MDCFoundation {
  static get cssClasses() {
    // Classes extending MDCFoundation should implement this method to return an object which exports every
    // CSS class the foundation class needs as a property. e.g. {ACTIVE: 'mdc-component--active'}
    return {};
  }

  static get strings() {
    // Classes extending MDCFoundation should implement this method to return an object which exports all
    // semantic strings as constants. e.g. {ARIA_ROLE: 'tablist'}
    return {};
  }

  static get numbers() {
    // Classes extending MDCFoundation should implement this method to return an object which exports all
    // of its semantic numbers as constants. e.g. {ANIMATION_DELAY_MS: 350}
    return {};
  }

  static get defaultAdapter() {
    // Classes extending MDCFoundation may choose to implement this getter in order to provide a convenient
    // way of viewing the necessary methods of an adapter. In the future, this could also be used for adapter
    // validation.
    return {};
  }

  constructor(adapter = {}) {
    this.adapter_ = adapter;
  }

  init() {
    // Subclasses should override this method to perform initialization routines (registering events, etc.)
  }

  destroy() {
    // Subclasses should override this method to perform de-initialization routines (de-registering events, etc.)
  }
}