carbon-components
Version:
Carbon Components is a component library for IBM Cloud
180 lines (152 loc) • 6.68 kB
JavaScript
(function (global, factory) {
if (typeof define === "function" && define.amd) {
define(['exports', '../misc/event-matches', '../misc/on'], factory);
} else if (typeof exports !== "undefined") {
factory(exports, require('../misc/event-matches'), require('../misc/on'));
} else {
var mod = {
exports: {}
};
factory(mod.exports, global.eventMatches, global.on);
global.initComponentByLauncher = mod.exports;
}
})(this, function (exports, _eventMatches, _on) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (ToMix) {
/**
* Mix-in class to instantiate components events on launcher button.
* @class InitComponentByLauncher
*/
var InitComponentByLauncher = function (_ToMix) {
_inherits(InitComponentByLauncher, _ToMix);
function InitComponentByLauncher() {
_classCallCheck(this, InitComponentByLauncher);
return _possibleConstructorReturn(this, (InitComponentByLauncher.__proto__ || Object.getPrototypeOf(InitComponentByLauncher)).apply(this, arguments));
}
_createClass(InitComponentByLauncher, null, [{
key: 'init',
/**
* Instantiates this component in the given element.
* If the given element indicates that it's an component of this class, instantiates it.
* Otherwise, instantiates this component by clicking on launcher buttons
* (buttons with attribute that `options.attribInitTarget` points to) of this component in the given node.
* @param {Node} target The DOM node to instantiate this component in. Should be a document or an element.
* @param {Object} [options] The component options.
* @param {string} [options.selectorInit] The CSS selector to find this component.
* @param {string} [options.attribInitTarget] The attribute name in the launcher buttons to find target component.
* @returns {Handle} The handle to remove the event listener to handle clicking.
*/
value: function init() {
var _this2 = this;
var target = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : document;
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var effectiveOptions = Object.assign(Object.create(this.options), options);
if (!target || target.nodeType !== Node.ELEMENT_NODE && target.nodeType !== Node.DOCUMENT_NODE) {
throw new TypeError('DOM document or DOM element should be given to search for and initialize this widget.');
}
if (target.nodeType === Node.ELEMENT_NODE && target.matches(effectiveOptions.selectorInit)) {
this.create(target, options);
} else {
var handles = effectiveOptions.initEventNames.map(function (name) {
return (0, _on2.default)(target, name, function (event) {
var launcher = (0, _eventMatches2.default)(event, '[' + effectiveOptions.attribInitTarget + ']');
if (launcher) {
event.delegateTarget = launcher; // eslint-disable-line no-param-reassign
var elements = [].concat(_toConsumableArray(launcher.ownerDocument.querySelectorAll(launcher.getAttribute(effectiveOptions.attribInitTarget))));
if (elements.length > 1) {
throw new Error('Target widget must be unique.');
}
if (elements.length === 1) {
if (launcher.tagName === 'A') {
event.preventDefault();
}
var component = _this2.create(elements[0], options);
if (typeof component.createdByLauncher === 'function') {
component.createdByLauncher(event);
}
}
}
});
});
return {
release: function release() {
for (var handle = handles.pop(); handle; handle = handles.pop()) {
handle.release();
}
}
};
}
return '';
}
/**
* `true` suggests that this component is lazily initialized upon an action/event, etc.
* @type {boolean}
*/
}]);
return InitComponentByLauncher;
}(ToMix);
InitComponentByLauncher.forLazyInit = true;
return InitComponentByLauncher;
};
var _eventMatches2 = _interopRequireDefault(_eventMatches);
var _on2 = _interopRequireDefault(_on);
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function _toConsumableArray(arr) {
if (Array.isArray(arr)) {
for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) {
arr2[i] = arr[i];
}
return arr2;
} else {
return Array.from(arr);
}
}
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
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 _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;
}
});