131 lines
3.2 KiB
JavaScript
131 lines
3.2 KiB
JavaScript
const START_EVENT_NAME_MAP = {
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transitionstart: {
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transition: 'transitionstart',
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WebkitTransition: 'webkitTransitionStart',
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MozTransition: 'mozTransitionStart',
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OTransition: 'oTransitionStart',
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msTransition: 'MSTransitionStart',
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},
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animationstart: {
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animation: 'animationstart',
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WebkitAnimation: 'webkitAnimationStart',
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MozAnimation: 'mozAnimationStart',
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OAnimation: 'oAnimationStart',
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msAnimation: 'MSAnimationStart',
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},
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};
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const END_EVENT_NAME_MAP = {
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transitionend: {
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transition: 'transitionend',
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WebkitTransition: 'webkitTransitionEnd',
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MozTransition: 'mozTransitionEnd',
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OTransition: 'oTransitionEnd',
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msTransition: 'MSTransitionEnd',
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},
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animationend: {
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animation: 'animationend',
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WebkitAnimation: 'webkitAnimationEnd',
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MozAnimation: 'mozAnimationEnd',
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OAnimation: 'oAnimationEnd',
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msAnimation: 'MSAnimationEnd',
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},
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};
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const startEvents = [];
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const endEvents = [];
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function detectEvents() {
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const testEl = document.createElement('div');
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const style = testEl.style;
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if (!('AnimationEvent' in window)) {
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delete START_EVENT_NAME_MAP.animationstart.animation;
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delete END_EVENT_NAME_MAP.animationend.animation;
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}
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if (!('TransitionEvent' in window)) {
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delete START_EVENT_NAME_MAP.transitionstart.transition;
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delete END_EVENT_NAME_MAP.transitionend.transition;
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}
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function process(EVENT_NAME_MAP, events) {
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for (const baseEventName in EVENT_NAME_MAP) {
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if (EVENT_NAME_MAP.hasOwnProperty(baseEventName)) {
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const baseEvents = EVENT_NAME_MAP[baseEventName];
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for (const styleName in baseEvents) {
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if (styleName in style) {
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events.push(baseEvents[styleName]);
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break;
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}
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}
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}
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}
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}
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process(START_EVENT_NAME_MAP, startEvents);
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process(END_EVENT_NAME_MAP, endEvents);
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}
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if (typeof window !== 'undefined' && typeof document !== 'undefined') {
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detectEvents();
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}
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function addEventListener(node, eventName, eventListener) {
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node.addEventListener(eventName, eventListener, false);
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}
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function removeEventListener(node, eventName, eventListener) {
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node.removeEventListener(eventName, eventListener, false);
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}
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const TransitionEvents = {
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// Start events
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startEvents,
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addStartEventListener(node, eventListener) {
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if (startEvents.length === 0) {
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setTimeout(eventListener, 0);
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return;
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}
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startEvents.forEach(startEvent => {
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addEventListener(node, startEvent, eventListener);
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});
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},
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removeStartEventListener(node, eventListener) {
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if (startEvents.length === 0) {
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return;
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}
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startEvents.forEach(startEvent => {
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removeEventListener(node, startEvent, eventListener);
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});
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},
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// End events
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endEvents,
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addEndEventListener(node, eventListener) {
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if (endEvents.length === 0) {
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setTimeout(eventListener, 0);
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return;
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}
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endEvents.forEach(endEvent => {
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addEventListener(node, endEvent, eventListener);
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});
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},
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removeEndEventListener(node, eventListener) {
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if (endEvents.length === 0) {
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return;
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}
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endEvents.forEach(endEvent => {
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removeEventListener(node, endEvent, eventListener);
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});
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},
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};
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export default TransitionEvents;
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