Showcase for unsupported gzip decompression in phantom-nodejs

package.json

{
  "name": "phantomgzip",
  "version": "1.0.0",
  "description": "Showcase of inability to support gzip",
  "main": "server.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "UKNC",
  "license": "ISC",
  "dependencies": {
    "bluebird": "^3.5.0",
    "phantom": "^4.0.0"
  }
}
~  

server.js

/*
Run as

> node server.js 0

to see that pages are plain HTML

and 

> node server.js 1

to see that GZIPPed htmls are not decompressed.

*/

const phantom = require('phantom');
/* jslint ignore: start */
const Promise = require('bluebird');
/* jslink ignore: end */

let url =  "http://www.google.com";


let gzip = process.argv[2] || 0;


let phInst, page;
phantom.create()
.then( inst => {
  phInst = inst;
  return phInst.createPage();
})
.then( p=>{
  page = p;
  return page.property("customHeaders", { "Accept-Encoding": `identity;q=1.0, gzip;q=${gzip}` });
})
.then( ()=>{
  return page.property("onResourceRequested", function( req, net ) {
    console.log( "REQ: " + req.method + " " + req.url + " HEADERS: " + JSON.stringify( req.headers) );
  });
})
.then( ()=>{
  return page.property("onResourceReceived", function( res ) {
    console.log("RES: " + "HEADERS: " + JSON.stringify( res.headers ) ) ;
  });
})
.then( ()=>{
  return page.property("onResourceError", function( resourceError ) {
    console.log('Error code: ' + resourceError.errorCode + '. Description: ' + resourceError.errorString);
  });
})

.then( ()=>{
  return page.property("onConsoleMessage", function( msg ) {
    console.log('onConsoleMessage:' + msg );
  });
})

.then( ()=>{
  return page.open( url, function(status) {
    console.log("Page load status: " + status );
  });
})
.then( ()=>{
  return Promise.delay(1000);
})
.then( ()=>{
  return page.property("content");
})
.then( content=>{
  console.log(content);
})
.catch( err=>{
  console.log('Error:' + err );
  phInst.exit();
});