Lythom

const program = require('commander')
const glob = require('glob')
const path = require('path')
const jsonfile = require('jsonfile')
const sizeOf = require('image-size')

program
    .version("1.0.0")
    .arguments('<manifest> <dir>')
    .action(writeFilesDimensions)

Lythom

// render method of the react component
render() {
  
  if (this.state.clientSideJsAvailable) {
    // Executed client side, this.state.clientSideJsAvailable is set in componentDidMount.
    // return a div, gmap behaviour is plugged and refreshed in componentDidUpdate
    return <div id="map"></div>;
    
  } else {
    // Executed server side

Lythom

<script type="text/javascript">
  window.onkeydown = function(evt) {
    if (evt.keyCode == 68) {
      document.getElementById('demo').className = 'demo debug';
    }
  };

  window.onkeyup = function(evt) {
    if (evt.keyCode == 68) {
      document.getElementById('demo').className = 'demo';