zumly/dist/zumly.js

Javascript library for building zooming user interfaces

/*
* zumly
* v.0.92.3
* Author Juan Martin Muda - Zumerlab
* License MIT
*/
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Force-resetting.","warn"),this.blockEvents=!1,this._onTransitionComplete())},os)}_clearBlockEventsSafety(){this._blockEventsSafetyTimer!==null&&(clearTimeout(this._blockEventsSafetyTimer),this._blockEventsSafetyTimer=null)}storeViews(t){this.tracing("storedViews()"),this.storedViews.push(t),this.debug&&console.debug("Zumly storedViews",t)}tracing(t){if(this.debug)if(t==="ended"){let e=this.trace.map((r,o)=>`${o===0?`Instance ${this.instance}: ${r}`:`${r}`}`).join(" > ");this.notify(e),this.trace=[]}else this.trace.push(t)}notify(t,e){return k(this.debug,t,e)}_recordCanvasSize(){if(!this.canvas)return;let t=this.canvas.getBoundingClientRect();this._lastCanvasWidth=t.width,this._lastCanvasHeight=t.height}_handleResize(){this._destroyed||(this._resizeDebounceTimer&&clearTimeout(this._resizeDebounceTimer),this._resizeDebounceTimer=setTimeout(()=>{if(this._resizeDebounceTimer=null,!this.isValid||!this.canvas||this._lastCanvasWidth===0)return;let t=this.canvas.getBoundingClientRect(),e=t.width,r=t.height;if(!(e===this._lastCanvasWidth&&r===this._lastCanvasHeight)){if(this.blockEvents){this._pendingResizeCorrection=!0;return}It(this,this._lastCanvasWidth,this._lastCanvasHeight,e,r),this._lastCanvasWidth=e,this._lastCanvasHeight=r}},this._RESIZE_DEBOUNCE_MS))}_onTransitionComplete(){if(this._clearBlockEventsSafety(),this._pendingResizeCorrection&&!this.blockEvents){this._pendingResizeCorrection=!1;let t=this.canvas?.getBoundingClientRect();if(t&&this._lastCanvasWidth>0){let e=t.width,r=t.height;(e!==this._lastCanvasWidth||r!==this._lastCanvasHeight)&&It(this,this._lastCanvasWidth,this._lastCanvasHeight,e,r),this._lastCanvasWidth=e,this._lastCanvasHeight=r}}else this._recordCanvasSize();this._manageFocus()}_manageFocus(){if(!this.canvas)return;let t=this.canvas.querySelector(".is-current-view");if(!t)return;let e=t.querySelector('a[href], button:not([disabled]), input:not([disabled]), select:not([disabled]), textarea:not([disabled]), [tabindex]:not([tabindex="-1"])');e?e.focus({preventScroll:!0}):(t.setAttribute("tabindex","-1"),t.focus({preventScroll:!0}))}_resolveEffects(t){let e=t?.dataset?.withEffects;if(e&&typeof e=="string"){let r=e.split("|").map(o=>o.trim());return[r[0]||"none",r[1]||r[0]||"none"]}return this.effects}_applyEffects(t,e,r,o,n){!r||r[0]==="none"&&r[1]==="none"||(t&&r[0]!=="none"&&(t.style.setProperty("--z-effect-filter",r[0]),t.style.setProperty("--zoom-duration",o),t.style.setProperty("--zoom-ease",n),t.classList.add("has-effect")),e&&r[1]!=="none"&&(e.style.setProperty("--z-effect-filter",r[1]),e.style.setProperty("--zoom-duration",o),e.style.setProperty("--zoom-ease",n),e.classList.add("has-effect")))}_removeEffect(t){if(!t||!t.classList.contains("has-effect"))return;t.classList.remove("has-effect"),t.classList.add("has-effect-reverse");let e=()=>{t.classList.remove("has-effect-reverse"),t.style.removeProperty("--z-effect-filter"),t.removeEventListener("transitionend",e)};t.addEventListener("transitionend",e,{once:!0});let r=t.style.getPropertyValue("--zoom-duration");setTimeout(e,r?parseFloat(r)*(r.includes("ms")?1:1e3)+100:1100)}_resolveHideTrigger(t){return t?.dataset?.hideTrigger!==void 0?t.dataset.hideTrigger==="fade"?"fade":!0:this.hideTrigger}_applyHideTrigger(t,e,r,o,n){!r||!t||(r==="fade"?(t.style.setProperty("--zoom-duration",o),t.style.setProperty("--zoom-ease",n),t.classList.add("z-trigger-fade"),e.style.setProperty("--zoom-duration",o),e.style.setProperty("--zoom-ease",n),e.classList.add("z-view-fade-in"),e.offsetHeight,e.classList.remove("hide")):t.classList.add("z-trigger-hidden"))}_restoreHideTrigger(t,e,r,o){if(!(!e||!t))if(e==="fade"){t.classList.remove("z-trigger-fade"),t.style.setProperty("--zoom-duration",r),t.style.setProperty("--zoom-ease",o),t.classList.add("z-trigger-fade-reverse");let n=()=>{t.classList.remove("z-trigger-fade-reverse"),t.style.removeProperty("--zoom-duration"),t.style.removeProperty("--zoom-ease"),t.removeEventListener("transitionend",n)};t.addEventListener("transitionend",n,{once:!0}),setTimeout(n,parseFloat(r)*(r.includes("ms")?1:1e3)+100)}else t.classList.remove("z-trigger-hidden")}on(t,e){var r;return typeof e!="function"?this:(((r=this._hooks)[t]||(r[t]=[])).push(e),this)}use(t,e){if(!t)return this;let r={plugin:t,options:e};return this._plugins.push(r),this._initialized&&this._installPlugin(r),this}_installPlugin(t){let{plugin:e,options:r}=t;try{typeof e=="function"?e(this,r):typeof e.install=="function"&&e.install(this,r)}catch(o){this.notify(`plugin install error: ${o.message}`,"error")}}off(t,e){return e?this._hooks[t]&&(this._hooks[t]=this._hooks[t].filter(r=>r!==e)):delete this._hooks[t],this}_emit(t,e={}){let r=this._hooks[t];if(!(!r||r.length===0))for(let o of r)try{o(e)}catch(n){this.debug&&console.error(`Zumly hook "${t}" threw:`,n)}}zoomLevel(){return this.storedViews.length}getZoomLevel(){return this.zoomLevel()}getCurrentViewName(){return!this.storedViews||this.storedViews.length===0?null:this.storedViews[this.storedViews.length-1]?.views?.[0]?.viewName??null}back(){if(!this._destroyed){if(this.lateralHistory&&this.lateralHistory.length>0){let t=this.lateralHistory.pop(),e=t&&typeof t=="object"?t.name:t,r=t&&typeof t=="object"?t.entry:void 0,o=t&&typeof t=="object"?t.node:void 0;return this._doLateral(e,!0,{savedEntry:r,keepAliveNode:o})}this.zoomOut()}}async goTo(t,e={}){return this._destroyed?void 0:(e.mode==="lateral"?"lateral":"depth")==="depth"?this.zoomTo(t,e):this._doLateral(t,!1,e)}async zoomTo(t,e={}){if(this._destroyed)return;if(!this.isValid||!this.canvas){this.notify("zoomTo() cannot run: instance is invalid or canvas not found.","error");return}if(typeof t!="string"||!t){this.notify("zoomTo() requires a non-empty view name.","warn");return}if(!Object.prototype.hasOwnProperty.call(this.views,t)){this.notify(`zoomTo("${t}"): view not found in views. Available: ${Object.keys(this.views).join(", ")}`,"warn");return}if(this.getCurrentViewName()===t)return;let o=this.canvas.getBoundingClientRect(),n=Math.max(40,o.width*.1),i=Math.max(40,o.height*.1),c={rect:{x:o.left+(o.width-n)/2,y:o.top+(o.height-i)/2,width:n,height:i},duration:e.duration??this.duration,ease:e.ease??this.ease,props:e.props??{}};await this._doZoomIn(t,c)}async init(){if(this._destroyed)return;if(!this.isValid||!this.canvas){this.notify("init() cannot run: instance is invalid or canvas element was not found.","error");return}this.tracing("init()"),this.preload&&this.preload.length&&await this.prefetcher.preloadEager(this.preload,null);let t=await this.prefetcher.get(this.initialView,null),e=await at(t,this.initialView,this.canvas,!0,this.views,this.componentContext);this._emit("viewMounted",{viewName:this.initialView,node:e}),this.prefetcher.scanAndPrefetch(e,null),this.storeViews({zoomLevel:this.storedViews.length,scale:1,views:[{viewName:this.initialView,backwardState:{origin:"0 0",transform:""}}]}),this.currentStage=this.storedViews[this.storedViews.length-1],this._recordCanvasSize(),this._initialized=!0;for(let r of this._plugins)this._installPlugin(r)}destroy(){this._destroyed||(this._emit("destroy"),this._destroyed=!0,this._clearBlockEventsSafety(),this._resizeDebounceTimer&&(clearTimeout(this._resizeDebounceTimer),this._resizeDebounceTimer=null),this._unbindEvents(),this._removeNav(),this._cleanupLateralKeepAlive(),this.blockEvents=!1,this.storedViews=[],this.currentStage=null,this.lateralHistory=[],this.trace=[],this._hooks={},this.prefetcher=null,this.transitionDriver=null,this.canvas&&(this.canvas.removeAttribute("tabindex"),this.canvas.removeAttribute("role"),this.canvas.removeAttribute("aria-roledescription"),this.canvas.removeAttribute("aria-live")),this.isValid=!1)}async _doZoomIn(t,e){if(this._destroyed)return;this._cleanupLateralKeepAlive(),this.lateralHistory=[],this._emit("beforeZoomIn",{viewName:t}),this.tracing("zoomIn()");let r=this.canvas,o=e.el,n=r.getBoundingClientRect(),i=n.left,a=n.top,l=(this.storedViews.length>0?this.storedViews[this.storedViews.length-1]:null)?.scale??1;this.tracing("getView()");let u=o?{trigger:o,target:document.createElement("div"),context:this.componentContext,props:Object.assign({},o.dataset)}:{target:document.createElement("div"),context:this.componentContext,props:e.props??{}},f=o?.dataset?.deferred!==void 0?!0:this.deferred,h,d=null;if(f){let _=await this.prefetcher.get(t,u);if(this._destroyed)return;for(d=document.createDocumentFragment();_.firstChild;)d.appendChild(_.firstChild);h=await at(_,t,r,!1,{},this.componentContext)}else{let _=await this.prefetcher.get(t,u);if(this._destroyed)return;this.prefetcher.scanAndPrefetch(_,u),h=await at(_,t,r,!1,this.views,this.componentContext)}if(!h)return;f||this._emit("viewMounted",{viewName:t,node:h}),o&&o.classList.add("zoomed");let m=o?(()=>{let _=o.getBoundingClientRect();return{x:_.x,y:_.y,width:_.width,height:_.height}})():e.rect,p=o?o.dataset.withDuration||this.duration:e.duration??this.duration,v=o?o.dataset.withEase||this.ease:e.ease??this.ease,y=o?o.dataset.withCover||this.cover:e.cover??this.cover,g=o?parseInt(o.dataset.withStagger,10)||this.stagger:e.stagger??this.stagger,w=r.querySelector(".is-current-view"),b=r.querySelector(".is-previous-view"),T=r.querySelector(".is-last-view");et(h),et(w),et(b),T&&(et(T),r.removeChild(T));let M,q,nt,x,A,D,I,ze=w.style.transform,$t=w.style.transformOrigin,ke=b?b.style.transform:null,Nt=b?b.style.transformOrigin:null;try{w.classList.replace("is-current-view","is-previous-view"),b&&b.classList.replace("is-previous-view","is-last-view");let _=h.getBoundingClientRect(),B=w.getBoundingClientRect(),Lt=null,Mt=null,dt=null;b&&(Lt=b.getBoundingClientRect(),dt=b.querySelector(".zoomed"),Mt=dt&&dt.getBoundingClientRect?dt.getBoundingClientRect():Lt);let mt={left:i,top:a},Ft={width:n.width,height:n.height},Dt={width:_.width,height:_.height},Ht=Wt(m.width,m.height,_.width,_.height,y);I=Ht.scale;let $e=Ht.scaleInv;M=Kt(m,mt,Dt,$e),nt=w.style.transform;let jt=Qt(m,B);x=Jt(Ft,m,B,I,this.parallax);let Rt=yt($t||"0 0"),Y=lt(nt||""),qt=yt(jt),U=lt(x.transform),Bt=m;if(o&&(Bt=wt(m,B,Rt,Y.tx,Y.ty,Y.scale,qt,U.tx,U.ty,U.scale)),q=Gt(Bt,mt,Dt),b){A=b.style.transform;let Ne=wt(B,B,Rt,Y.tx,Y.ty,Y.scale,qt,U.tx,U.ty,U.scale),Me=ee(x.x,x.y,mt,I,l),Vt=yt(Nt||"0 0"),Tt=lt(A||""),zt=lt(Me),Fe=wt(Mt,Lt,Vt,Tt.tx,Tt.ty,Tt.scale,Vt,zt.tx,zt.ty,zt.scale);D=te({canvasRect:Ft,canvasOffset:mt,triggerRect:m,previousViewRectAtBaseTransform:B,lastViewZoomedElementRect:Fe,previousViewRectWithPreviousAtEndTransform:Ne,scale:I,preScale:l,parallax:this.parallax})}h.style.transform=M,w.style.transformOrigin=jt}catch(_){this.notify(`zoomIn geometry computation failed: ${_.message}. Aborting zoom.`,"error"),this.debug&&console.error("Zumly _doZoomIn error:",_),w.style.transform=ze,w.style.transformOrigin=$t,w.classList.contains("is-previous-view")&&w.classList.replace("is-previous-view","is-current-view"),b&&(b.style.transform=ke,b.style.transformOrigin=Nt,b.classList.contains("is-last-view")&&b.classList.replace("is-last-view","is-previous-view"));try{r.removeChild(h)}catch{}X(w),X(b);return}let Ce=ct(h.dataset.viewName,{origin:h.style.transformOrigin,duration:p,ease:v,transform:M},{origin:h.style.transformOrigin,duration:p,ease:v,transform:q}),Oe=ct(w.dataset.viewName,{origin:w.style.transformOrigin,duration:p,ease:v,transform:nt},{origin:w.style.transformOrigin,duration:p,ease:v,transform:x.transform}),Ae=b?ct(b.dataset.viewName,{origin:b.style.transformOrigin,duration:p,ease:v,transform:A},{origin:b.style.transformOrigin,duration:p,ease:v,transform:D}):null,Pe=T?se(T):null,ht=re(this.storedViews.length,Ce,Oe,Ae,Pe);ht.scale=I,ht.stagger=g||0,this.storeViews(ht),this.currentStage=this.storedViews[this.storedViews.length-1],this.tracing("setCSSVariables()");let Ie=this._resolveEffects(o);this._applyEffects(w,b,Ie,p,v);let xt=this._resolveHideTrigger(o);this._applyHideTrigger(o,h,xt,p,v),xt&&(ht.hideTriggerMode=xt),this._setBlockEvents();let Ze={type:"zoomIn",currentView:h,previousView:w,lastView:b,currentStage:this.currentStage,duration:p,ease:v};this.transitionDriver.runTransition(Ze,async()=>{f&&d&&h&&!this._destroyed&&(h.appendChild(d),this.prefetcher.scanAndPrefetch(h,u),typeof this.views[t]=="object"&&typeof this.views[t].mounted=="function"&&await this.views[t].mounted(),this._emit("viewMounted",{viewName:t,node:h})),this.blockEvents=!1,this._onTransitionComplete(),this._updateNav(),this._emit("afterZoomIn",{viewName:t,zoomLevel:this.zoomLevel()}),this.tracing("ended")})}async zoomIn(t){this._destroyed||t?.dataset?.to&&await this._doZoomIn(t.dataset.to,{el:t})}async _doLateral(t,e=!1,r={}){if(this._destroyed||!this.isValid||!this.canvas)return;if(!Object.prototype.hasOwnProperty.call(this.views,t)){this.notify(`goTo("${t}", { mode: 'lateral' }): view not found in views. Available: ${Object.keys(this.views).join(", ")}`,"warn");return}let o=this.canvas.querySelector(".is-current-view");if(!o)return;let n=o.dataset?.viewName;if(n===t)return;this._emit("beforeLateral",{viewName:t,from:n,isBack:e});let i=this.lateralNav&&this.lateralNav.keepAlive;if(!e){this.lateralHistory=this.lateralHistory||[];let x=this.storedViews[this.storedViews.length-1];this.lateralHistory.push({name:n,entry:x.views[0],node:i?o:null})}this.tracing("lateral()");let a=r.duration??this.duration,c=r.ease??this.ease,l=this.canvas.querySelector(".is-previous-view"),u=this.canvas.querySelector(".is-last-view"),f=0,h=0;if(l){let x=l.querySelector(`.zoom-me[data-to="${n}"]`),A=l.querySelector(`.zoom-me[data-to="${t}"]`);if(x&&A){let D=x.getBoundingClientRect(),I=A.getBoundingClientRect();f=D.left+D.width/2-(I.left+I.width/2),h=D.top+D.height/2-(I.top+I.height/2)}else f=this.canvas.getBoundingClientRect().width*.15}let d=null,m=null;if(i&&(e&&r.keepAliveNode?m=r.keepAliveNode:m=this.canvas.querySelector(`.is-lateral-hidden[data-view-name="${t}"]`)),m){if(m.style.display="",m.style.opacity="",m.classList.remove("is-lateral-hidden","zoom-lateral-out"),m.classList.add("is-new-current-view","has-no-events"),d=m,!e&&this.lateralHistory){let x=this.lateralHistory.findIndex(A=>A.node===m);x!==-1&&this.lateralHistory.splice(x,1)}}else{let x={target:document.createElement("div"),context:this.componentContext,props:r.props??{}},A=await this.prefetcher.get(t,x);if(this._destroyed||(this.prefetcher.scanAndPrefetch(A,x),d=await at(A,t,this.canvas,!1,this.views,this.componentContext),!d))return;this._emit("viewMounted",{viewName:t,node:d})}et(d);let p=o.style.transform||"",v=o.style.transformOrigin||"0 0";d.style.transform=p,d.style.transformOrigin=v;let y=this.storedViews[this.storedViews.length-1],g=e&&r.savedEntry?{...r.savedEntry,viewName:t}:ct(t,{origin:v,duration:a,ease:c,transform:p},{origin:v,duration:a,ease:c,transform:p});y.views[0]=g,this.currentStage=y;let w=l?{transformStart:l.style.transform||"",transformEnd:this._computeLateralBackTransform(l.style.transform||"",f,h)}:null,b=u&&y.views[2]?{transformStart:u.style.transform||"",transformEnd:this._computeLateralBackTransform(u.style.transform||"",f*.7,h*.7)}:null;w&&y.views[1]&&(y.views[1].forwardState={...y.views[1].forwardState,transform:w.transformEnd}),b&&y.views[2]&&(y.views[2].forwardState={...y.views[2].forwardState,transform:b.transformEnd});let T=p,M=this._computeLateralBackTransform(T,-f,-h),q=this._computeLateralBackTransform(p,f,h);this._setBlockEvents();let nt={type:"lateral",currentView:d,previousView:o,lastView:u||null,backView:l||null,backViewState:w,lastViewState:b,incomingTransformStart:M,incomingTransformEnd:T,outgoingTransform:p,outgoingTransformEnd:q,currentStage:this.currentStage,duration:a,ease:c,canvas:this.canvas,slideDeltaX:f,slideDeltaY:h,keepAlive:i&&!e?i:!1};this.transitionDriver.runTransition(nt,()=>{i&&!e&&(o.classList.remove("is-current-view","is-new-current-view","has-no-events"),o.classList.add("is-lateral-hidden"),i!=="visible"?o.style.display="none":(o.style.transform=p,o.style.opacity="")),this.blockEvents=!1,this._onTransitionComplete(),this._updateNav(),this._emit("afterLateral",{viewName:t,from:n,isBack:e}),this.tracing("ended")})}_computeLateralBackTransform(t,e,r){let o=t.match(/translate\s*\(\s*([-\d.eE]+)px\s*,\s*([-\d.eE]+)px\s*\)/);if(o){let n=parseFloat(o[1])+e,i=parseFloat(o[2])+r,a=t.replace(/translate\s*\([^)]+\)\s*/,"");return`translate(${n}px, ${i}px) ${a}`.trim()}return`translate(${e}px, ${r}px) ${t}`.trim()}zoomOut(){if(this._destroyed)return;this._cleanupLateralKeepAlive(),this.lateralHistory=[],this._emit("beforeZoomOut",{zoomLevel:this.zoomLevel()}),this