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- /**
- * @license
- * Copyright 2016 Google Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
- import { __makeTemplateObject, __read, __spreadArray } from "tslib";
- import { safeAttrPrefix } from 'safevalues';
- import { safeElement } from 'safevalues/dom';
- import { MDCFoundation } from './foundation';
- function toCamelCase(str) {
- // tslint:disable-next-line:enforce-name-casing
- return String(str).replace(/\-([a-z])/g, function (_, match) { return match.toUpperCase(); });
- }
- /** MDC Component base */
- var MDCComponent = /** @class */ (function () {
- function MDCComponent(root, foundation) {
- var args = [];
- for (var _i = 2; _i < arguments.length; _i++) {
- args[_i - 2] = arguments[_i];
- }
- this.root = root;
- this.initialize.apply(this, __spreadArray([], __read(args)));
- // Note that we initialize foundation here and not within the constructor's
- // default param so that this.root is defined and can be used within the
- // foundation class.
- this.foundation =
- foundation === undefined ? this.getDefaultFoundation() : foundation;
- this.foundation.init();
- this.initialSyncWithDOM();
- }
- MDCComponent.attachTo = function (root) {
- // Subclasses which extend MDCBase should provide an attachTo() method that
- // takes a root element and returns an instantiated component with its root
- // set to that element. Also note that in the cases of subclasses, an
- // explicit foundation class will not have to be passed in; it will simply
- // be initialized from getDefaultFoundation().
- return new MDCComponent(root, new MDCFoundation({}));
- };
- /* istanbul ignore next: method param only exists for typing purposes; it does
- * not need to be unit tested */
- // tslint:disable-next-line:enforce-name-casing
- MDCComponent.prototype.initialize = function () {
- var _args = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- _args[_i] = arguments[_i];
- }
- // Subclasses can override this to do any additional setup work that would
- // be considered part of a "constructor". Essentially, it is a hook into the
- // parent constructor before the foundation is initialized. Any additional
- // arguments besides root and foundation will be passed in here.
- };
- MDCComponent.prototype.getDefaultFoundation = function () {
- // Subclasses must override this method to return a properly configured
- // foundation class for the component.
- throw new Error('Subclasses must override getDefaultFoundation to return a properly configured ' +
- 'foundation class');
- };
- MDCComponent.prototype.initialSyncWithDOM = function () {
- // Subclasses should override this method if they need to perform work to
- // synchronize with a host DOM object. An example of this would be a form
- // control wrapper that needs to synchronize its internal state to some
- // property or attribute of the host DOM. Please note: this is *not* the
- // place to perform DOM reads/writes that would cause layout / paint, as
- // this is called synchronously from within the constructor.
- };
- MDCComponent.prototype.destroy = function () {
- // Subclasses may implement this method to release any resources /
- // deregister any listeners they have attached. An example of this might be
- // deregistering a resize event from the window object.
- this.foundation.destroy();
- };
- MDCComponent.prototype.listen = function (evtType, handler, options) {
- this.root.addEventListener(evtType, handler, options);
- };
- MDCComponent.prototype.unlisten = function (evtType, handler, options) {
- this.root.removeEventListener(evtType, handler, options);
- };
- /**
- * Fires a cross-browser-compatible custom event from the component root of
- * the given type, with the given data.
- */
- MDCComponent.prototype.emit = function (evtType, evtData, shouldBubble) {
- if (shouldBubble === void 0) { shouldBubble = false; }
- var evt;
- if (typeof CustomEvent === 'function') {
- evt = new CustomEvent(evtType, {
- bubbles: shouldBubble,
- detail: evtData,
- });
- }
- else {
- evt = document.createEvent('CustomEvent');
- evt.initCustomEvent(evtType, shouldBubble, false, evtData);
- }
- this.root.dispatchEvent(evt);
- };
- /**
- * This is a intermediate fix to allow components to use safevalues. This
- * limits setAttribute to setting tabindex, data attributes, and aria
- * attributes.
- *
- * TODO(b/263990206): remove this method and add these directly in each
- * component. This will remove this abstraction and make it clear that the
- * caller can't set any attribute.
- */
- MDCComponent.prototype.safeSetAttribute = function (element, attribute, value) {
- if (attribute.toLowerCase() === 'tabindex') {
- element.tabIndex = Number(value);
- }
- else if (attribute.indexOf('data-') === 0) {
- var dataKey = toCamelCase(attribute.replace(/^data-/, ''));
- element.dataset[dataKey] = value;
- }
- else {
- safeElement.setPrefixedAttribute([safeAttrPrefix(templateObject_1 || (templateObject_1 = __makeTemplateObject(["aria-"], ["aria-"]))), safeAttrPrefix(templateObject_2 || (templateObject_2 = __makeTemplateObject(["role"], ["role"])))], element, attribute, value);
- }
- };
- return MDCComponent;
- }());
- export { MDCComponent };
- // tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.
- export default MDCComponent;
- var templateObject_1, templateObject_2;
- //# sourceMappingURL=component.js.map
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