JSFiddle - React, Tailwind, and code Playground

JavaScript

var svgName;
	var mainWidth=300;
	data=[
    {
        "params": [
            {
                "strokeWeight": 1.3,
                "xyData": [
                    {
                        "x0": 0.34827403080754826,
                        "x1": 0.60600737245405589,
                        "x2": 0.72278004152764297,
                        "x3": 0.46504669988113501,
                        "x4": 0.34827403080754826,
                        "y0": 0.41161457968694481,
                        "y1": 0.60527707639332184,
                        "y2": 0.36347025679680034,
                        "y3": 0.16980776009042353,
                        "y4": 0.41161457968694481
                    }
                ]
            },
            {
                "strokeWeight": 6.3,
                "xyData": [
                    {
                        "x0": 0.19665357021794935,
                        "x1": 0.41914132668202908,
                        "x2": 0.54254880649843318,
                        "x3": 0.32006105003435364,
                        "x4": 0.19665357021794935,
                        "y0": 0.39756094992379476,
                        "y1": 0.56473968639682104,
                        "y2": 0.30919384295958852,
                        "y3": 0.14201510648656224,
                        "y4": 0.39756094992379476
                    }
                ]
            }
        ],
        "view": "view0"
    }
];
    
    	data.forEach(function(qx){  
    		qx.points=[];  //this makes two curves merged into one curve.  I want two separate rectangles 		
	    	qx.params.forEach(function(kv){
	    		aspect=1.5;
	    		// qx.points=[]; //this makes one curve
		    	kv.xyData.forEach(function(d) {		    	
			    	for (var i = 0; d["x"+i] !== "" && (typeof d["x"+i] !== 'undefined'); i++) {
			        	qx.points.push([mainWidth*d["x"+i], mainWidth/aspect*(d["y"+i])]);
			    	}
				});
			});
		});
		var	margin = {top: 0, right: 0, bottom: 0, left: 0},	
			width =...