carbon-components
Version:
Carbon Components is a component library for IBM Cloud
88 lines (67 loc) • 3.79 kB
JavaScript
var _createClass = 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
export default function (ToMix) {
var CreateComponent = function (_ToMix) {
_inherits(CreateComponent, _ToMix);
/**
* Mix-in class to manage lifecycle of component.
* The constructor sets up this component's effective options,
* and registers this component't instance associated to an element.
* @implements Handle
* @param {HTMLElement} element The element working as this component.
* @param {Object} [options] The component options.
*/
function CreateComponent(element) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
_classCallCheck(this, CreateComponent);
var _this = _possibleConstructorReturn(this, (CreateComponent.__proto__ || Object.getPrototypeOf(CreateComponent)).call(this, element, options));
_this.children = [];
if (!element || element.nodeType !== Node.ELEMENT_NODE) {
throw new TypeError('DOM element should be given to initialize this widget.');
}
/**
* The element the component is of.
* @type {Element}
*/
_this.element = element;
/**
* The component options.
* @type {Object}
*/
_this.options = Object.assign(Object.create(_this.constructor.options), options);
_this.constructor.components.set(_this.element, _this);
return _this;
}
/**
* Instantiates this component of the given element.
* @param {HTMLElement} element The element.
*/
/**
* The component instances managed by this component.
* Releasing this component also releases the components in `this.children`.
* @type {Component[]}
*/
_createClass(CreateComponent, [{
key: 'release',
/**
* Releases this component's instance from the associated element.
*/
value: function release() {
for (var child = this.children.pop(); child; child = this.children.pop()) {
child.release();
}
this.constructor.components.delete(this.element);
return null;
}
}], [{
key: 'create',
value: function create(element, options) {
return this.components.get(element) || new this(element, options);
}
}]);
return CreateComponent;
}(ToMix);
return CreateComponent;
}