JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/ol3/3.18.2/ol-debug.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/ol3/3.18.2/ol-debug.js"></script>
<div id="map" class="map"></div>

JavaScript

var map = new ol.Map({
  layers: [
    new ol.layer.Tile({
      source: new ol.source.OSM()
    })
  ],
  target: 'map',
  view: new ol.View({
    center: [0, 0],
    zoom: 2
  }),
  interactions: ol.interaction.defaults({
  	dragPan: false
  })
});

map.addInteraction(new ol.interaction.DragPan({
  condition: function(event) {
    return event.originalEvent.ctrlKey
  }
}));