JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.css">
<script src="http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.js"></script>
<div id="map"></div>

CSS

#map {
    height: 500px;
}

JavaScript

var map = L.map("map", {
	maxZoom: 22
}).setView([48.8459, 2.28645], 19);

L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
    attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors',
    maxNativeZoom: 19, // OSM max available zoom is at 19.
    maxZoom: 22 // Match the map maxZoom, or leave map.options.maxZoom undefined.
}).addTo(map);