| 1 | class Render{init(e,t,r){this.polygonFirstPoint=!1,this.offscreenCanvas=document.createElement("CANVAS"),this.offscreenContext=this.offscreenCanvas.getContext("2d"),this.update=e,this.mainCanvas=t,this.mainCanvas.font="Roboto Condensed",this.mainCanvas.textAlign="left",this.mainCanvas.textBaseline="top",this.context=t.getContext("2d"),this.log=r,this.updateCanvasSize(),this.prevUpdateHash=""}canvas(){return this.mainCanvas}dc(){return this.offscreenContext}clientRect(){return this.mainCanvas.getBoundingClientRect()}frameBegin(){this.currentLineWidth=1,this.offscreenContext.clearRect(-1,-1,this.mainCanvas.width+1,this.mainCanvas.height+1)}frameEnd(){this.context.clearRect(-1,-1,this.mainCanvas.width+1,this.mainCanvas.height+1),this.context.drawImage(this.offscreenCanvas,0,0)}lineWidthNotification(e){this.currentLineWidth=e}noneZeroLineWidth(){return 0!==this.currentLineWidth}startPolygonNotification(){var e=this.polygonFirstPoint;return this.polygonFirstPoint=!0,!e}endPolygonNotification(){this.polygonFirstPoint=!1}updateCanvasSize(){this.scaleFactor=window.devicePixelRatio,this.cssWidth=+getComputedStyle(this.mainCanvas).width.slice(0,-2),this.cssHeight=+getComputedStyle(this.mainCanvas).height.slice(0,-2);var e=`${this.scaleFactor}:${this.cssWidth}:`+this.cssHeight;e!==this.prevUpdateHash&&(this.mainCanvas.width=this.cssWidth*this.scaleFactor,this.mainCanvas.height=this.cssHeight*this.scaleFactor,this.offscreenCanvas.width=this.cssWidth*this.scaleFactor,this.offscreenCanvas.height=this.cssHeight*this.scaleFactor,this.offscreenContext.translate(.5,.5),this.offscreenContext.scale(this.scaleFactor,this.scaleFactor)),this.prevUpdateHash=e}updateFrame(e){var t=performance.now(),e=(this.updateCanvasSize(),0<this.mainCanvas.width&&0<this.mainCanvas.height&&this.update(this.scaleFactor,this.cssWidth,this.cssHeight,e),performance.now()-t);this.log&&1<e&&console.log("Render.updateFrame: "+e.toFixed(2)+"ms")}}class Events{constructor(e){this.vizzu=e,this.module=e.module,this.eventHandlers=new Map}add(e,t){if(e!==""+e)throw new Error("first parameter should be string");e=this.vizzu.toCString(e);try{var r=this.vizzu.call(this.module._addEventListener)(e);this.eventHandlers.set(r,t)}finally{this.module._free(e)}}remove(e,n){var t=this.vizzu.toCString(e);if(e!==""+e)throw new Error("first parameter should be string");try{if(n){let r=null;if(this.eventHandlers.forEach((e,t)=>{e===n&&(r=t)}),null===r)throw new Error("unknown event handler");this.vizzu.call(this.module._removeEventListener)(t,r)}else this.vizzu.call(this.module._removeEventListener)(t,0)}finally{this.eventHandlers.delete(n),this.module._free(t)}}invoke(t,r){try{if(this.eventHandlers.has(t)){let e=JSON.parse(this.vizzu.fromCString(r));e.preventDefault=()=>{this.vizzu.call(this.module._event_preventDefault)()},e.event.endsWith("-draw")&&(e.renderingContext=this.vizzu.render.dc()),this.eventHandlers.get(t)(e)}}catch(e){console.log("exception in event handler: "+e)}}}const assert=(e,t)=>{if(!e)throw new Error("Assert failed: "+t)},assertArray=(t,e,r)=>{assert(Array.isArray(e),"array is not a list");try{if(e.length!==t.dimensions[r].values.length)throw new Error("Assert failed")}catch(e){assert(!1,"dimensions are not the same")}e.forEach(e=>{Array.isArray(e)&&assertArray(t,e,r-1)})};class UnPivot{static isPivot(e){return void 0!==e?.dimensions||void 0!==e?.measures}static convert(i){assert("object"==typeof i&&null!==i&&!Array.isArray(i),"data is not an object"),assert("dimensions"in i,"data.dimensions is requreid"),assert("measures"in i,"data.measures is requreid"),i.series=[];let a=1;assert(Array.isArray(i.dimensions),"data.dimensions is not a list");for(let e=0;e<i.dimensions.length;e++){var t=i.dimensions[e];assert("object"==typeof t&&null!==t&&!Array.isArray(t),"data.dimensions.item is not an object"),assert("name"in t,"data.dimensions.item.name is requreid"),assert(void 0===t.type||"dimension"===t.type,"data.dimensions.item.type is invalid"),assert("values"in t,"data.dimensions.item.values is requreid"),assert(Array.isArray(t.values),"data.dimensions.item.values is not a list"),assert(0!==t.values.length,"data.dimensions.item.values length is zero"),a*=t.values.length}let s=1;for(let n=0;n<i.dimensions.length;n++){let e=i.dimensions[n],t=[],r=[];e.values.forEach(t=>{for(let e=1;e<=s;e++)r.push(t)}),s*=e.values.length;for(let e=1;e<=a/s;e++)t=t.concat(r);var o={name:e.name,type:e.type||"dimension",values:t};i.series.push(o)}assert("object"==typeof i.measures&&null!==i.measures,"data.measures is not a list or an object"),Array.isArray(i.measures)||(i.measures=[i.measures]);for(let r=0;r<i.measures.length;r++){let e=i.measures[r],t=(assert("object"==typeof e&&null!==e&&!Array.isArray(e),"data.measures.item is not an object"),assert("name"in e,"data.measures.item.name is requreid"),assert("values"in e,"data.measures.item.values is requreid"),assert(Array.isArray(e.values),"data.measures.item.values is not a list"),assertArray(i,e.values,i.dimensions.length-1),{name:e.name,type:e.type,values:e.values.flat(1/0)});void 0===t.type&&delete t.type,assert(t.values.length===a,"dimensions are not the same"),i.series.push(t)}}}class DataRecord{constructor(e,t){return this.chart=e,this.record=t,new Proxy(this,{get:(e,t)=>e.getValue(t)})}getValue(e){e=this.chart.toCString(e);let t,r;try{t=this.chart.call(this.chart.module._record_getValue)(this.record,e,!0),r=t?this.chart.fromCString(t):(t=this.chart.call(this.chart.module._record_getValue)(this.record,e,!1),this.chart.module.getValue(t,"double"))}finally{this.chart.module._free(e)}return r}}class Data{constructor(e){this.chart=e}set(e){if(e){if(UnPivot.isPivot(e)){if(this.is1NF(e))throw new Error("inconsistent data form: series/records and dimensions/measures are both set.");UnPivot.convert(e)}if(e.series){if(!Array.isArray(e.series))throw new Error("data series field is not an array");for(const t of e.series)this.setSeries(t)}if(e.records){if(!Array.isArray(e.records))throw new Error("data records field is not an array");for(const r of e.records)this.addRecord(r)}!e.filter&&null!==e.filter||this.setFilter(e.filter)}}addRecord(t){if(!Array.isArray(t))throw new Error("data record is not an array");let r=new Uint32Array(t.length);for(let e=0;e<t.length;e++){var n=this.chart.toCString(String(t[e]).toString());r[e]=n}var e=4*t.length,i=this.chart.module._malloc(e);new Uint8Array(this.chart.module.HEAPU8.buffer,i,e).set(new Uint8Array(r.buffer));try{this.chart.call(this.chart.module._data_addRecord)(i,t.length)}finally{for(var a of r)this.chart.module._free(a);this.chart.module._free(i)}}setSeries(e){if(!e.name)throw new Error("missing series name");if(e.values||(e.values=[]),e.type||(e.type=this.detectType(e.values)),"dimension"===e.type)this.addDimension(e.name,e.values);else{if("measure"!==e.type)throw new Error("invalid series type: "+e.type);this.addMeasure(e.name,e.values)}}detectType(e){if(Array.isArray(e)&&e.length){if("number"==typeof e[0])return"measure";if(e[0]===""+e[0])return"dimension"}return null}addDimension(e,t){if("string"!=typeof e&&!(e instanceof String))throw new Error("first parameter should be string");if(!(t instanceof Array))throw new Error("second parameter should be an array");let r=new Uint32Array(t.length);for(let e=0;e<t.length;e++){if("string"!=typeof t[e]&&!(t[e]instanceof String))throw new Error("array element should be string");var n=this.chart.toCString(t[e]);r[e]=n}var i=4*t.length,a=this.chart.module._malloc(i),i=(new Uint8Array(this.chart.module.HEAPU8.buffer,a,i).set(new Uint8Array(r.buffer)),this.chart.toCString(e));try{this.chart.call(this.chart.module._data_addDimension)(i,a,t.length)}finally{this.chart.module._free(i);for(var s of r)this.chart.module._free(s);this.chart.module._free(a)}}addMeasure(e,t){if("string"!=typeof e&&!(e instanceof String))throw new Error("first parameter should be string");if(!(t instanceof Array))throw new Error("second parameter should be an array");var r=new Float64Array(t),n=8*t.length,i=this.chart.module._malloc(n),n=(new Uint8Array(this.chart.module.HEAPU8.buffer,i,n).set(new Uint8Array(r.buffer)),this.chart.toCString(e));try{this.chart.call(this.chart.module._data_addMeasure)(n,i,t.length)}finally{this.chart.module._free(n),this.chart.module._free(i)}}setFilter(t){if("function"==typeof t){var e=this.chart.module.addFunction(e=>t(new DataRecord(this.chart,e)),"ii");this.chart.call(this.chart.module._chart_setFilter)(e)}else{if(null!==t)throw new Error("data filter is not a function or null");this.chart.call(this.chart.module._chart_setFilter)(0)}}is1NF(e){return e.series||e.records}}class AnimControl extends Promise{constructor(r,e){super((e,t)=>{r(e,t)}),this.chart=e}then(e,t){const r=super.then(e,t);return r.chart=this.chart,r}get[Symbol.toStringTag](){return"AnimControl"}seek(e){return this.animControl("seek",e),this}pause(){return this.animControl("pause"),this}play(){return this.animControl("play"),this}stop(){return this.animControl("stop"),this}reverse(){return this.animControl("reverse"),this}animControl(e,t=""){e=this.chart.toCString(e),t=this.chart.toCString(t);try{this.chart.call(this.chart.module._anim_control)(e,t)}finally{this.chart.module._free(t),this.chart.module._free(e)}}}class Tooltip{constructor(e){this.set=!1,this.chart=e,this.id=0,this.animating=!1,this.lastMarkerId=null,this.lastMove=new Date,this.mouseMoveHandler=e=>{this.mousemove(e)},this.mouseOnHandler=e=>{this.mouseon(e)},this.enabled=!1}enable(e){e!==this.set&&(e?(this.chart.on("mousemove",this.mouseMoveHandler),this.chart.on("mouseon",this.mouseOnHandler)):(this.chart.off("mousemove",this.mouseMoveHandler),this.chart.off("mouseon",this.mouseOnHandler),this.id++,setTimeout(()=>{this.out(this.id)},200)),this.set=e)}mousemove(){this.lastMove=new Date}mouseon(e){this.id++;let t=this.id;e.data.marker?setTimeout(()=>{this.in(t,e.data.marker.id)},0):setTimeout(()=>{this.out(t)},200)}in(e,t){this.id===e&&(this.animating?setTimeout(()=>{this.in(e,t)},100):(this.lastMarkerId=t,this.animating=!0,this.chart.animate({config:{tooltip:t}},this.lastMarkerId?"100ms":"250ms").then(()=>{this.animating=!1})))}out(e){var t;this.id===e&&(t=new Date-this.lastMove,!this.animating&&200<t?(this.lastMarkerId=null,this.animating=!0,this.chart.animate({config:{tooltip:null}},"250ms").then(()=>{this.animating=!1})):setTimeout(()=>{this.out(e)},200-t))}}var VizzuModule=function(){var We=import.meta.url;return function(e){var x,L,t,u=void 0!==(e=e||{})?e:{},r=(u.ready=new Promise(function(e,t){x=e,L=t}),{});for(t in u)u.hasOwnProperty(t)&&(r[t]=u[t]);var H,n="";document.currentScript&&(n=document.currentScript.src);var n=0!==(n=We?We:n).indexOf("blob:")?n.substr(0,n.lastIndexOf("/")+1):"",j=console.log.bind(console),a=console.warn.bind(console);for(t in r)r.hasOwnProperty(t)&&(u[t]=r[t]);var s,D,o,r=null,l=[];function R(t,r){var n,i=I;if(!s){s=new WeakMap;for(var e=0;e<i.length;e++){var a=i.get(e);a&&s.set(a,e)}}if(s.has(t))return s.get(t);if(l.length)n=l.pop();else{n=i.length;try{i.grow(1)}catch(e){if(e instanceof RangeError)throw"Unable to grow wasm table. 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this.cloneObject(this.module._style_getList,this.module._style_getValue)}setConfig(r){if(null!==r&&"object"==typeof r&&Object.keys(r).forEach(e=>{["color","lightness","size","label","x","y","noop"].includes(e)&&(r.channels=r.channels||{},r.channels[e]=r[e],delete r[e])}),r?.channels){let t=r.channels;Object.keys(t).forEach(e=>{"string"==typeof t[e]&&(t[e]=[t[e]]),null!==t[e]&&!Array.isArray(t[e])||(t[e]={set:t[e]}),"string"==typeof t[e].attach&&(t[e].attach=[t[e].attach]),"string"==typeof t[e].detach&&(t[e].detach=[t[e].detach]),"string"==typeof t[e].set&&(t[e].set=[t[e].set]),Array.isArray(t[e].set)&&0===t[e].set.length&&(t[e].set=null)})}this.iterateObject(r,(e,t)=>{this.call(this.module._chart_setValue)(e,t)})}on(e,t){this._validateModule(),this.events.add(e,t)}off(e,t){this._validateModule(),this.events.remove(e,t)}store(){this._validateModule();var e=this.call(this.module._chart_store)(),t={id:e};return this.snapshotRegistry.register(t,e),t}restore(e){this._validateModule(),this.call(this.module._chart_restore)(e.id)}feature(e,t){this._validateModule(),"tooltip"===e&&this.tooltip.enable(t)}_validateModule(){if(!this.module)throw new Error("Vizzu not initialized. Use `initializing` promise.")}animate(e,t){return this.anim=this.anim.then(()=>this.animStep(e,t)),this.anim}animStep(t,e){if(t){let e=Object.assign({},t);var r;e.id?this.restore(e):(e.data||void 0!==e.style||e.config||(e={config:e}),this.data.set(e.data),null===e.style&&(e.style={"":null}),t=JSON.parse(JSON.stringify(e.style||{})),r=getCSSCustomPropsForElement(this.container,this._propPrefix),this.setStyle(propsToObject(r,t,this._propPrefix)),this.setConfig(Object.assign({},e.config)))}return this.setAnimation(e),new AnimControl(e=>{let t=this.module.addFunction(()=>{e(this),this.module.removeFunction(t)},"v");this.call(this.module._chart_animate)(t)},this)}setAnimation(e){if(void 0!==e){if(null===e?e={duration:0}:"string"!=typeof e&&"number"!=typeof e||(e={duration:e}),"object"!=typeof e)throw new Error("invalid animation option");e=Object.assign({},e),this.iterateObject(e,(e,t)=>{this.call(this.module._anim_setValue)(e,t)})}}get animation(){return this.anim}version(){this._validateModule();var e=this.module._vizzu_version();return this.module.UTF8ToString(e)}start(){this.started||(this.call(this.module._vizzu_poll)(),this.render.updateFrame(!1),setInterval(()=>{this.call(this.module._vizzu_poll)()},10),setInterval(()=>{this.render.updateFrame(!1)},25),this.started=!0)}getMousePos(e){var t=this.render.clientRect();return[e.clientX-t.left,e.clientY-t.top]}toCString(e){var t=4*e.length+1,r=this.module._malloc(t);return this.module.stringToUTF8(e,r,t),r}fromCString(e){return this.module.UTF8ToString(e)}init(e){this.module=e;e=this.createCanvas();return this.render=new Render,this.module.render=this.render,this.data=new Data(this),this.events=new Events(this),this.module.events=this.events,this.tooltip=new Tooltip(this),this.render.init(this.call(this.module._vizzu_update),e,!1),this.call(this.module._vizzu_init)(),this.call(this.module._vizzu_setLogging)(!1),this.setupDOMEventHandlers(e),this.start(),this}createCanvas(){let e=null,t=this.container;if(t instanceof HTMLCanvasElement?e=t:((e=document.createElement("CANVAS")).style.width="100%",e.style.height="100%",t.appendChild(e)),e instanceof HTMLCanvasElement)return e;throw new Error("Error initializing <canvas> for Vizzu!")}setupDOMEventHandlers(e){this.resizeObserver=new ResizeObserver(()=>{this.render.updateFrame(!0)}),this.resizeObserver.observe(e),window.addEventListener("resize",()=>{this.render.updateFrame(!0)}),e.addEventListener("mousemove",e=>{e=this.getMousePos(e);this.call(this.module._vizzu_mouseMove)(e[0],e[1])}),e.addEventListener("mouseup",e=>{e=this.getMousePos(e);this.call(this.module._vizzu_mouseUp)(e[0],e[1])}),e.addEventListener("mousedown",e=>{e=this.getMousePos(e);this.call(this.module._vizzu_mouseDown)(e[0],e[1])}),e.addEventListener("mouseout",()=>{this.call(this.module._vizzu_mouseLeave)()}),e.addEventListener("wheel",e=>{this.call(this.module._vizzu_mousewheel)(e.deltaY)}),document.addEventListener("keydown",t=>{let r=t.keyCode<=255?t.keyCode:0;var n=[33,34,36,35,37,39,38,40,27,9,13,46];for(let e=0;e<n.length;e++)t.key===n[e]&&(r=256+e);0!==r&&this.call(this.module._vizzu_keyPress)(r,t.ctrlKey,t.altKey,t.shiftKey)})}}export default Vizzu;
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