Maybe/vendor/javascript/d3-brush.js

import{dispatch as e}from"d3-dispatch";import{dragDisable as t,dragEnable as n}from"d3-drag";import{interpolate as r}from"d3-interpolate";import{select as u,pointer as i}from"d3-selection";import{interrupt as s}from"d3-transition";var constant=e=>()=>e;function BrushEvent(e,{sourceEvent:t,target:n,selection:r,mode:u,dispatch:i}){Object.defineProperties(this,{type:{value:e,enumerable:true,configurable:true},sourceEvent:{value:t,enumerable:true,configurable:true},target:{value:n,enumerable:true,configurable:true},selection:{value:r,enumerable:true,configurable:true},mode:{value:u,enumerable:true,configurable:true},_:{value:i}})}function nopropagation(e){e.stopImmediatePropagation()}function noevent(e){e.preventDefault();e.stopImmediatePropagation()}var o={name:"drag"},a={name:"space"},l={name:"handle"},c={name:"center"};const{abs:h,max:f,min:d}=Math;function number1(e){return[+e[0],+e[1]]}function number2(e){return[number1(e[0]),number1(e[1])]}var b={name:"x",handles:["w","e"].map(type),input:function(e,t){return null==e?null:[[+e[0],t[0][1]],[+e[1],t[1][1]]]},output:function(e){return e&&[e[0][0],e[1][0]]}};var p={name:"y",handles:["n","s"].map(type),input:function(e,t){return null==e?null:[[t[0][0],+e[0]],[t[1][0],+e[1]]]},output:function(e){return e&&[e[0][1],e[1][1]]}};var m={name:"xy",handles:["n","w","e","s","nw","ne","sw","se"].map(type),input:function(e){return null==e?null:number2(e)},output:function(e){return e}};var v={overlay:"crosshair",selection:"move",n:"ns-resize",e:"ew-resize",s:"ns-resize",w:"ew-resize",nw:"nwse-resize",ne:"nesw-resize",se:"nwse-resize",sw:"nesw-resize"};var y={e:"w",w:"e",nw:"ne",ne:"nw",se:"sw",sw:"se"};var w={n:"s",s:"n",nw:"sw",ne:"se",se:"ne",sw:"nw"};var g={overlay:1,selection:1,n:null,e:1,s:null,w:-1,nw:-1,ne:1,se:1,sw:-1};var _={overlay:1,selection:1,n:-1,e:null,s:1,w:null,nw:-1,ne:-1,se:1,sw:1};function type(e){return{type:e}}function defaultFilter(e){return!e.ctrlKey&&!e.button}function defaultExtent(){var e=this.ownerSVGElement||this;if(e.hasAttribute("viewBox")){e=e.viewBox.baseVal;return[[e.x,e.y],[e.x+e.width,e.y+e.height]]}return[[0,0],[e.width.baseVal.value,e.height.baseVal.value]]}function defaultTouchable(){return navigator.maxTouchPoints||"ontouchstart"in this}function local(e){while(!e.__brush)if(!(e=e.parentNode))return;return e.__brush}function empty(e){return e[0][0]===e[1][0]||e[0][1]===e[1][1]}function brushSelection(e){var t=e.__brush;return t?t.dim.output(t.selection):null}function brushX(){return brush$1(b)}function brushY(){return brush$1(p)}function brush(){return brush$1(m)}function brush$1(m){var k,x=defaultExtent,E=defaultFilter,z=defaultTouchable,A=true,T=e("start","brush","end"),K=6;function brush(e){var t=e.property("__brush",initialize).selectAll(".overlay").data([type("overlay")]);t.enter().append("rect").attr("class","overlay").attr("pointer-events","all").attr("cursor",v.overlay).merge(t).each((function(){var e=local(this).extent;u(this).attr("x",e[0][0]).attr("y",e[0][1]).attr("width",e[1][0]-e[0][0]).attr("height",e[1][1]-e[0][1])}));e.selectAll(".selection").data([type("selection")]).enter().append("rect").attr("class","selection").attr("cursor",v.selection).attr("fill","#777").attr("fill-opacity",.3).attr("stroke","#fff").attr("shape-rendering","crispEdges");var n=e.selectAll(".handle").data(m.handles,(function(e){return e.type}));n.exit().remove();n.enter().append("rect").attr("class",(function(e){return"handle handle--"+e.type})).attr("cursor",(function(e){return v[e.type]}));e.each(redraw).attr("fill","none").attr("pointer-events","all").on("mousedown.brush",started).filter(z).on("touchstart.brush",started).on("touchmove.brush",touchmoved).on("touchend.brush touchcancel.brush",touchended).style("touch-action","none").style("-webkit-tap-highlight-color","rgba(0,0,0,0)")}brush.move=function(e,t,n){e.tween?e.on("start.brush",(function(e){emitter(this,arguments).beforestart().start(e)})).on("interrupt.brush end.brush",(function(e){emitter(this,arguments).end(e)})).tween("brush",(function(){var e=this,n=e.__brush,u=emitter(e,arguments),i=n.select