UNPKG

3.43 kBJavaScriptView Raw
1import{G as t}from"./p-0d9cab2d.js";export{G as GESTURE_CONTROLLER}from"./p-0d9cab2d.js";const e=(t,e,n,r)=>{const s=o(t)?{capture:!!r.capture,passive:!!r.passive}:!!r.capture;let c,i;return t.__zone_symbol__addEventListener?(c="__zone_symbol__addEventListener",i="__zone_symbol__removeEventListener"):(c="addEventListener",i="removeEventListener"),t[c](e,n,s),()=>{t[i](e,n,s)}},o=t=>{if(void 0===n)try{const e=Object.defineProperty({},"passive",{get:()=>{n=!0}});t.addEventListener("optsTest",(()=>{}),e)}catch(e){n=!1}return!!n};let n;const r=t=>t instanceof Document?t:t.ownerDocument,s=o=>{let n=!1,s=!1,d=!0,u=!1;const l=Object.assign({disableScroll:!1,direction:"x",gesturePriority:0,passive:!0,maxAngle:40,threshold:10},o),v=l.canStart,m=l.onWillStart,p=l.onStart,f=l.onEnd,y=l.notCaptured,_=l.onMove,b=l.threshold,h=l.passive,E=l.blurOnStart,L={type:"pan",startX:0,startY:0,startTime:0,currentX:0,currentY:0,velocityX:0,velocityY:0,deltaX:0,deltaY:0,currentTime:0,event:void 0,data:void 0},x=((t,e,o)=>{const n=o*(Math.PI/180),r="x"===t,s=Math.cos(n),c=e*e;let i=0,a=0,d=!1,u=0;return{start(t,e){i=t,a=e,u=0,d=!0},detect(t,e){if(!d)return!1;const o=t-i,n=e-a,l=o*o+n*n;if(l<c)return!1;const v=Math.sqrt(l),m=(r?o:n)/v;return u=m>s?1:m<-s?-1:0,d=!1,!0},isGesture:()=>0!==u,getDirection:()=>u}})(l.direction,l.threshold,l.maxAngle),D=t.createGesture({name:o.gestureName,priority:o.gesturePriority,disableScroll:o.disableScroll}),T=()=>{n&&(u=!1,_&&_(L))},g=()=>!(D&&!D.capture()||(n=!0,d=!1,L.startX=L.currentX,L.startY=L.currentY,L.startTime=L.currentTime,m?m(L).then(j):j(),0)),j=()=>{E&&(()=>{if("undefined"!=typeof document){const t=document.activeElement;null!==t&&t.blur&&t.blur()}})(),p&&p(L),d=!0},G=()=>{n=!1,s=!1,u=!1,d=!0,D.release()},O=t=>{const e=n,o=d;G(),o&&(c(L,t),e?f&&f(L):y&&y(L))},X=((t,o,n,s,c)=>{let i,a,d,u,l,v,m,p=0;const f=r=>{p=Date.now()+2e3,o(r)&&(!a&&n&&(a=e(t,"touchmove",n,c)),d||(d=e(r.target,"touchend",_,c)),u||(u=e(r.target,"touchcancel",_,c)))},y=s=>{p>Date.now()||o(s)&&(!v&&n&&(v=e(r(t),"mousemove",n,c)),m||(m=e(r(t),"mouseup",b,c)))},_=t=>{h(),s&&s(t)},b=t=>{E(),s&&s(t)},h=()=>{a&&a(),d&&d(),u&&u(),a=d=u=void 0},E=()=>{v&&v(),m&&m(),v=m=void 0},L=()=>{h(),E()},x=(o=!0)=>{o?(i||(i=e(t,"touchstart",f,c)),l||(l=e(t,"mousedown",y,c))):(i&&i(),l&&l(),i=l=void 0,L())};return{enable:x,stop:L,destroy:()=>{x(!1),s=n=o=void 0}}})(l.el,(t=>{const e=a(t);return!(s||!d)&&(i(t,L),L.startX=L.currentX,L.startY=L.currentY,L.startTime=L.currentTime=e,L.velocityX=L.velocityY=L.deltaX=L.deltaY=0,L.event=t,(!v||!1!==v(L))&&(D.release(),!!D.start()&&(s=!0,0===b?g():(x.start(L.startX,L.startY),!0))))}),(t=>{n?!u&&d&&(u=!0,c(L,t),requestAnimationFrame(T)):(c(L,t),x.detect(L.currentX,L.currentY)&&(x.isGesture()&&g()||Y()))}),O,{capture:!1,passive:h}),Y=()=>{G(),X.stop(),y&&y(L)};return{enable(t=!0){t||(n&&O(void 0),G()),X.enable(t)},destroy(){D.destroy(),X.destroy()}}},c=(t,e)=>{if(!e)return;const o=t.currentX,n=t.currentY,r=t.currentTime;i(e,t);const s=t.currentX,c=t.currentY,d=(t.currentTime=a(e))-r;if(d>0&&d<100){const e=(c-n)/d;t.velocityX=(s-o)/d*.7+.3*t.velocityX,t.velocityY=.7*e+.3*t.velocityY}t.deltaX=s-t.startX,t.deltaY=c-t.startY,t.event=e},i=(t,e)=>{let o=0,n=0;if(t){const e=t.changedTouches;if(e&&e.length>0){const t=e[0];o=t.clientX,n=t.clientY}else void 0!==t.pageX&&(o=t.pageX,n=t.pageY)}e.currentX=o,e.currentY=n},a=t=>t.timeStamp||Date.now();export{s as createGesture}
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