7 lines
2.0 KiB
JavaScript
7 lines
2.0 KiB
JavaScript
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/**
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* Minified by jsDelivr using Terser v3.14.1.
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* Original file: /npm/@vant/touch-emulator@1.2.0/index.js
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*
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* Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
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*/
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var eventTarget,supportTouch="ontouchstart"in window;document.createTouch||(document.createTouch=function(e,t,n,o,u,c,i){return new Touch(t,n,{pageX:o,pageY:u,screenX:c,screenY:i,clientX:o-window.pageXOffset,clientY:u-window.pageYOffset},0,0)}),document.createTouchList||(document.createTouchList=function(){for(var e=TouchList(),t=0;t<arguments.length;t++)e[t]=arguments[t];return e.length=arguments.length,e});var Touch=function(e,t,n,o,u){o=o||0,u=u||0,this.identifier=t,this.target=e,this.clientX=n.clientX+o,this.clientY=n.clientY+u,this.screenX=n.screenX+o,this.screenY=n.screenY+u,this.pageX=n.pageX+o,this.pageY=n.pageY+u};function TouchList(){var e=[];return e.item=function(e){return this[e]||null},e.identifiedTouch=function(e){return this[e+1]||null},e}var initiated=!1;function onMouse(e){return function(t){"mousedown"===t.type&&(initiated=!0),"mouseup"===t.type&&(initiated=!1),("mousemove"!==t.type||initiated)&&(("mousedown"===t.type||!eventTarget||eventTarget&&!eventTarget.dispatchEvent)&&(eventTarget=t.target),triggerTouch(e,t),"mouseup"===t.type&&(eventTarget=null))}}function triggerTouch(e,t){var n=document.createEvent("Event");n.initEvent(e,!0,!0),n.altKey=t.altKey,n.ctrlKey=t.ctrlKey,n.metaKey=t.metaKey,n.shiftKey=t.shiftKey,n.touches=getActiveTouches(t),n.targetTouches=getActiveTouches(t),n.changedTouches=createTouchList(t),eventTarget.dispatchEvent(n)}function createTouchList(e){var t=TouchList();return t.push(new Touch(eventTarget,1,e,0,0)),t}function getActiveTouches(e){return"mouseup"===e.type?TouchList():createTouchList(e)}function TouchEmulator(){window.addEventListener("mousedown",onMouse("touchstart"),!0),window.addEventListener("mousemove",onMouse("touchmove"),!0),window.addEventListener("mouseup",onMouse("touchend"),!0)}TouchEmulator.multiTouchOffset=75,supportTouch||new TouchEmulator;
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