50 lines
1.7 KiB
JavaScript
50 lines
1.7 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.fromEvent = fromEvent;
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var _Stream = require('../Stream');
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var _Stream2 = _interopRequireDefault(_Stream);
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var _EventTargetSource = require('./EventTargetSource');
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var _EventTargetSource2 = _interopRequireDefault(_EventTargetSource);
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var _EventEmitterSource = require('./EventEmitterSource');
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var _EventEmitterSource2 = _interopRequireDefault(_EventEmitterSource);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* Create a stream from an EventTarget, such as a DOM Node, or EventEmitter.
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* @param {String} event event type name, e.g. 'click'
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* @param {EventTarget|EventEmitter} source EventTarget or EventEmitter
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* @param {*?} capture for DOM events, whether to use
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* capturing--passed as 3rd parameter to addEventListener.
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* @returns {Stream} stream containing all events of the specified type
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* from the source.
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*/
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function fromEvent(event, source, capture) {
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// eslint-disable-line complexity
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var s;
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if (typeof source.addEventListener === 'function' && typeof source.removeEventListener === 'function') {
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if (arguments.length < 3) {
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capture = false;
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}
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s = new _EventTargetSource2.default(event, source, capture);
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} else if (typeof source.addListener === 'function' && typeof source.removeListener === 'function') {
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s = new _EventEmitterSource2.default(event, source);
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} else {
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throw new Error('source must support addEventListener/removeEventListener or addListener/removeListener');
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}
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return new _Stream2.default(s);
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} /** @license MIT License (c) copyright 2010-2016 original author or authors */
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/** @author Brian Cavalier */
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/** @author John Hann */ |