motion-dom/dist/size-rollup-pinch.js

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a=n*Math.PI/180,o=(i.x-.5)*g*e,c=(i.y-.5)*m*e;return{x:p+s+Math.cos(a)*o-Math.sin(a)*c,y:f+r+Math.sin(a)*o+Math.cos(a)*c}},F=()=>wt.get(yt.get(e)),Y=()=>{const{scale:t,rotate:e,snapToOrigin:n,transition:s}=P,[r,i,o,c]=d,h=r.get(),u=i.get(),l=o.get(),g=c.get(),{snap:m}=St(e);let v=Rt(h,St(t)),b=Rt(m?Math.round((u+.2*i.getVelocity())/m)*m:u,St(e));n&&(v=1,b=360*Math.round(u/360));const M=Pt(P)&&!F()?.isDragging,x=O(a,h,u,l,g),w=p+l-x.x,k=f+g-x.y;if(!h||v===h&&b===u&&(!n||!M||!l&&!g))return;const S=y({keyframes:[0,1],stiffness:200,damping:40,...s}),R=j.now(),C=()=>{const{value:s,done:a}=S.next(j.now()-R);a&&A();const[d,p,f,m]=(t=>{const e=bt(h,v,t),n=bt(u,b,t),s=(n-u)*Math.PI/180,r=Math.cos(s)*e/h,i=Math.sin(s)*e/h;return[e,n,l+r*w-i*k-w,g+i*w+r*k-k]})(s);!1!==t&&r.set(d),!1!==e&&i.set(p),M&&!F()?.isDragging&&(o.set(n?bt(l,0,s):f),c.set(n?bt(g,0,s):m))};A=()=>T(C),W.update(C,!0)},I=()=>{if(!d||!M)return;M=!1;const{rotate:e,scale:n,pan:s,elastic:r}=R(),[i,o,h,l]=d,g=At(r),m=i.get(),y=F(),x=y?.isDragging;x||(v=h.get(),b=l.get());const A=O(c,m,o.get(),v,b);let D=0,Y=1;const I=(t,e)=>{const n=St(e),s=Rt(t,n);return g[t<s?"min":"max"]?[xt(t,n,g),t]:[s,s]};if(!1!==n&&m){const[e,s]=I(t(1e-9,1e9,k*Math.exp(a.l-c.l)),n);k=s,Y=e/m,i.set(e)}if(!1!==e){const[t,n]=I(S+a.a-c.a,e);S=n,D=t-o.get(),D&&o.set(t)}if(Pt(P)){h.stop(),l.stop();const t=D*Math.PI/180,e=Math.cos(t)*Y,n=Math.sin(t)*Y,r=A.x-p-v,i=A.y-f-b,o=!1!==s?a.x-c.x:0,u=!1!==s?a.y-c.y:0;if(v+=r+o-(e*r-n*i),b+=i+u-(n*r+e*i),x){const t=y.panSession.history;t.splice(0,t.length-1),t[0].timestamp=-1/0,y.originPoint.x=v,y.originPoint.y=b}h.set(v),l.set(b)}Object.assign(c,a),w.onPinch?.(u,C())},V=()=>{if(!s())return E(u);I(),"wheel"===h&&j.now()-x>150&&E(u)},X=(t,n)=>{if(!s())return;A(),h=n,u=t,M=!1,d=void 0,w={},Object.assign(o,a),Object.assign(c,a),W.read(D),W.preRender(V,!0);const i=r(e,t,C());w="function"==typeof i?{onComplete:i}:i||{}},E=t=>{h&&(T(D),T(V),s()&&(I(),d&&Y()),h=void 0,w.onComplete?.(t,C()))},B=t=>{u=t,M=!0},Z=()=>{const[t,e]=i.values(),n=180*Math.atan2(e.y-t.y,e.x-t.x)/Math.PI-a.a;a.x=(t.x+e.x)/2,a.y=(t.y+e.y)/2,a.l=Math.log(Math.hypot(e.x-t.x,e.y-t.y)||1),a.a+=n-360*Math.round(n/360)},L=t=>i.set(t.pointerId,{x:t.clientX,y:t.clientY}),z=t=>{i.has(t.pointerId)&&(L(t),"pointer"===h&&(Z(),B(t)))},q=t=>{i.delete(t.pointerId)&&("pointer"===h&&E(t),i.size||(K(),U()))},$=t=>{h||i.size>1||i.has(t.pointerId)||"mouse"===t.pointerType||(i.size||K(!0),L(t),2===i.size&&(Z(),X(t,"pointer"),!h||l||wt.get(yt.get(e))||(l=Mt.x||Mt.y?null:(Mt.x=Mt.y=!0,()=>{Mt.x=Mt.y=!1}))))},U=()=>{const t=l;l=void 0,t&&W.postRender(t)},K=t=>{const e=t?"addEventListener":"removeEventListener";window[e]("pointerdown",$),window[e]("pointermove",z),window[e]("pointerup",q),window[e]("pointercancel",q)},N=t=>{if(!(i.size||h&&"gesture"!==h)){const{scale:e,rotation:n,clientX:s,clientY:r}=t;a.x=s,a.y=r,a.l=Math.log(e),a.a=n,h?(B(t),"gestureend"===t.type&&E(t)):"gesturestart"===t.type&&X(t,"gesture")}h&&t.preventDefault()},H={pointerdown:$,wheel:e=>{!e.ctrlKey||h&&"wheel"!==h||(a.x=e.clientX,a.y=e.clientY,(h||(a.l=0,X(e,"wheel"),h))&&(e.preventDefault(),a.l-=t(-50,50,e.deltaY*(e.deltaMode?16:1))/100,x=j.now(),B(e)))},gesturestart:N,gesturechange:N,gestureend:N};for(const t in H)e.addEventListener(t,H[t],{passive:!1});return()=>{for(const t in H)e.removeEventListener(t,H[t]);K(),E(u),A(),i.clear(),U()}}const Ot=["scale","rotate","x","y"],Ft=t=>{const e=yt.get(t),n=I(t)?mt:lt;return Ot.map(s=>{if(e)return e.getValue(s,"scale"===s?1:0);let r=n.get(t,s);var i,a;return r||(i=dt(t,s),r=new L(i,a),n(t,{[s]:r})),r})};function Yt(t,e,n={}){let s=()=>{};"function"==typeof e?s=e:e&&(n=e);const r=et.current;if(r){const t=r.bind(s);s=(e,n)=>{const s=t(e,n);if("object"!=typeof s)return s;const i={};for(const t in s){const e=t,n=s[e];i[e]=n&&r.bind(n)}return i}}const i=function(t,e,n){if(null==t)return[];if(t instanceof EventTarget)return[t];if("string"==typeof t){const s=e?e.current:et.current?.root||document,r=n?.[t]??s.querySelectorAll(t);return r?Array.from(r):[]}return Array.from(t).filter(t=>null!=t)}(t).map(t=>{r?.track(t);const{style:e}=t,i=e.touchAction;e.touchAction="none";const a=Dt(t,()=>Ft(t),()=>n,s);return()=>{a(),e.touchAction=i}});return a=()=>i.forEach(t=>t()),et.current?.add(a),a;var a}export{Dt as addPinchListeners,Yt as pinch};
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