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'use strict';
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; }
/*******************************************************************************
* Copyright (c) 2021 Kiel University and others.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
var ELK = require('./elk-api.js').default;
var ELKNode = function (_ELK) {
_inherits(ELKNode, _ELK);
function ELKNode() {
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, ELKNode);
var optionsClone = Object.assign({}, options);
var workerThreadsExist = false;
try {
require.resolve('web-worker');
workerThreadsExist = true;
} catch (e) {}
// user requested a worker
if (options.workerUrl) {
if (workerThreadsExist) {
var Worker = require('web-worker');
optionsClone.workerFactory = function (url) {
return new Worker(url);
};
} else {
console.warn('Web worker requested but \'web-worker\' package not installed. \nConsider installing the package or pass your own \'workerFactory\' to ELK\'s constructor.\n... Falling back to non-web worker version.');
}
}
// unless no other workerFactory is registered, use the fake worker
if (!optionsClone.workerFactory) {
var _require = require('./elk-worker.min.js'),
_Worker = _require.Worker;
optionsClone.workerFactory = function (url) {
return new _Worker(url);
};
}
return _possibleConstructorReturn(this, (ELKNode.__proto__ || Object.getPrototypeOf(ELKNode)).call(this, optionsClone));
}
return ELKNode;
}(ELK);
Object.defineProperty(module.exports, "__esModule", {
value: true
});
module.exports = ELKNode;
ELKNode.default = ELKNode; |