material-motion/dist/dom/getPointerEventStreamsFromElement.js

Makes it easy to add rich, interactive motion to your application.

/** @license
 *  Copyright 2016 - present The Material Motion Authors. All Rights Reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may not
 *  use this file except in compliance with the License. You may obtain a copy
 *  of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 *  License for the specific language governing permissions and limitations
 *  under the License.
 */
import { convertTouchEventsToPointerEvents, } from './convertTouchEventsToPointerEvents';
import { getEventStreamFromElement, } from './getEventStreamFromElement';
const notPassive = {
    passive: false,
    capture: true,
};
export function getPointerEventStreamsFromElement(element) {
    const commonStreams = {
        contextMenu$: getEventStreamFromElement('click', element),
        // These are streams that a gesture recognizer may want to interrupt when it
        // recognizes a gesture is happening.
        capturedClick$: getEventStreamFromElement('click', element, notPassive),
        capturedDragStart$: getEventStreamFromElement('dragstart', element, notPassive),
    };
    if (typeof PointerEvent !== 'undefined') {
        return Object.assign({ down$: getEventStreamFromElement('pointerdown', element), move$: getEventStreamFromElement('pointermove', element), up$: getEventStreamFromElement('pointerup', element), cancel$: getEventStreamFromElement('pointercancel', element) }, commonStreams);
    }
    else {
        return Object.assign({ down$: getEventStreamFromElement('mousedown', element).merge([
                convertTouchEventsToPointerEvents(getEventStreamFromElement('touchstart', element)),
            ]), move$: getEventStreamFromElement('mousemove', element).merge([
                convertTouchEventsToPointerEvents(getEventStreamFromElement('touchmove', element)),
            ]), up$: getEventStreamFromElement('mouseup', element).merge([
                convertTouchEventsToPointerEvents(getEventStreamFromElement('touchend', element)),
            ]), cancel$: convertTouchEventsToPointerEvents(getEventStreamFromElement('touchcancel', element)) }, commonStreams);
    }
}
export default getPointerEventStreamsFromElement;
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