JSFiddle - React, Tailwind, and code Playground

testing turf.intersect on large polygons, with Leaflet.Geodesic lines for comparison

HTML

<script src="https://api.tiles.mapbox.com/mapbox.js/plugins/turf/v2.0.0/turf.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.js"></script>
<script src="https://api.tiles.mapbox.com/mapbox.js/v2.1.4/mapbox.js"></script>
<link rel="stylesheet" href="https://api.tiles.mapbox.com/mapbox.js/v2.1.4/mapbox.css">
<script src="https://rawgit.com/henrythasler/Leaflet.Geodesic/master/Leaflet.Geodesic.min.js"></script>
<div id="mapid" style="height:100%;width:100%;position:fixed;"></div>

JavaScript

var mapLayer = L.map('mapid', {
  zoomAnimation: false
});
var pid = 'karan44.pdmio34k';
var at = 'pk.eyJ1Ijoia2FyYW40NCIsImEiOiJjaWx0Y3A3MmkwMDhjdmdrc20xazM4M25vIn0.hUFDaS5EPmoJwiZi1Wz5AQ';
L.tileLayer('https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}.png?access_token={accessToken}', {
  id: pid,
  accessToken: at
}).addTo(mapLayer);

var polygon1 = turf.polygon([
  [
    [3.405762, 51.395350],
    [5.009766, 53.340303],
    [7.141113, 53.653999],
    [5.822754, 51.037508],
    [3.405762, 51.395350]
  ]
], {
  "fill": "#00000F",
  "stroke": "#00000F",
  "stroke-width": 1
});

var polygon2 = turf.polygon([
  [
    [0.241699, 54.173488],
    [10.162354, 50.908012],
    [8.854980, 50.062208],
    [0.241699, 54.173488]
  ]
], {
  "fill": "#0000FF",
  "stroke": "#0000FF",
  "stroke-width": 1
});



//L.mapbox.featureLayer().setGeoJSON(polygon1).addTo(mapLayer);
//L.mapbox.featureLayer().setGeoJSON(polygon2).addTo(mapLayer);

//L.mapbox.featureLayer().setGeoJSON(polygon).addTo(mapLayer);
mapLayer.setView([-37, 144], 8);

var zone = {"type":"Feature","properties":{"OBJECTID":24909,"UFI":1241579,"SCHEME_CODE":"ZN","LGA":"MELBOURNE","ZONE_STATUS":"g","ZONE_CODE":"CCZ1","ZONE_DESCRIPTION":"CAPITAL CITY ZONE - SCHEDULE 1","UFI_CREATED":1494259434000,"SHAPE_Length":1870.0405676679577,"SHAPE_Area":167272.3140132793,"GAZ_BEGIN_DATE":1030320000000,"GAZ_END_DATE":253402214400000,"PFI":3075450,"LGA_CODE":"343","ZONE_NUM":6890,"PFI_CREATED":1493718047000,"ZONE_CODE_GROUP":"CCZ","ZONE_CODE_GROUP_LABEL":"CCZ - Capital City...