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Build Commands Catalog

Below you'll find a list of build commands contributed by the Nativefier community. They are here as examples, to help you nativefy "complicated" apps that need a bit of elbow grease to work. We need your help to enrich it, as long as you follow these two guidelines:

Only add sites that require something special! No need to document here that simplesite.com works with a simple nativefier simplesite.com 🙂.
Please add commands with the strict necessary to make an app work. For example,
- Yes to mention that --widevine or some --browserwindow-options are necessary...
- ... but don't add other flags that are pure personal preference (e.g. --disable-dev-tools or --disk-cache-size).

General recipes

Window size and position

This allows the last set window size and position to be remembered and applied after your app is restarted. Note: PR welcome for a built-in fix for that :) .

nativefier 'https://open.google.com/'
  --inject window.js

Note: Inject the following javascript as windows.js to prevent the window size and position to reset.

function storeWindowPos() {
  window.localStorage.setItem('windowX', window.screenX);
  window.localStorage.setItem('windowY', window.screenY);
}

window.moveTo(window.localStorage.getItem('windowX'), window.localStorage.getItem('windowY'));
setInterval(storeWindowPos, 250);

Google apps

(This example documents Google Sheets, but is applicable to other Google apps, e.g. Google Calendar)

nativefier 'https://docs.google.com/spreadsheets' \
  --user-agent firefox

Note: lying about the User Agent is required, else Google will notice your "Chrome" isn't a real Chrome, and will:

Refuse login
Break notifications

Outlook

nativefier 'https://outlook.office.com/mail'
  --internal-urls '.*?(outlook.live.com|outlook.office365.com).*?'
  --file-download-options '{"saveAs": true}'
  --browserwindow-options '{"webPreferences": { "webviewTag": true, "nodeIntegration": true, "nodeIntegrationInSubFrames": true } }'

Note: --browserwindow-options is needed to allow pop-outs when creating/editing an email.

Udemy

nativefier 'https://www.udemy.com/'
  --internal-urls '.*?udemy.*?'
  --file-download-options '{"saveAs": true}'
  --widevine

Note: most videos will work, but to play some DRMed videos you must pass --widevine AND sign the app.

HBO Max

nativefier 'https://play.hbomax.com/'
  --widevine
  --enable-es3-apis
&& python -m castlabs_evs.vmp sign-pkg 'name_of_the_generated_hbo_app'

Note: as for Udemy, --widevine + app signing is necessary.

nativefier 'https://web.whatsapp.com/'
  --inject whatsapp.js

With this --inject in whatsapp.js (and maybe more, see #1112):

if ('serviceWorker' in navigator) {
  caches.keys().then(function (cacheNames) {
    cacheNames.forEach(function (cacheName) {
      caches.delete(cacheName);
    });
  });
}

Spotify

nativefier 'https://open.spotify.com/'
  --widevine
  --inject spotify.js
  --inject spotify.css

Notes:

You might have to pass --user-agent firefox to circumvent Spotify's detection that your browser isn't a real Chrome. But maybe not.
Inject the following javascript as spotify.js to prevent "Unsupported Browser" messages.

function dontShowBrowserNoticePage() {
  const browserNotice = document.getElementById('browser-support-notice');
  console.log({ browserNotice });
  if (browserNotice) {
    // When Spotify displays the browser notice, it's not just the notice,
    // but the entire page is focused on not allowing you to proceed.
    // So in this case, we hide the body element (so nothing shows)
    // until our JS deletes the service worker and reload (which will actually load the player)
    document.getElementsByTagName('body')[0].style.display = 'none';
  }
}

function reload() {
  window.location.href = window.location.href;
}

function nukeWorkers() {
  dontShowBrowserNoticePage();
  if ('serviceWorker' in navigator) {
    caches.keys().then(function (cacheNames) {
      cacheNames.forEach(function (cacheName) {
        console.debug('Deleting cache', cacheName);
        caches.delete(cacheName);
      });
    });
    navigator.serviceWorker.getRegistrations().then((registrations) => {
      registrations.forEach((worker) =>
        worker
          .unregister()
          .then((u) => {
            console.debug('Unregistered worker', worker);
            reload();
          })
          .catch((e) =>
            console.error('Unable to unregister worker', error, { worker }),
          ),
      );
    });
  }
}

document.addEventListener('DOMContentLoaded', () => {
  nukeWorkers();
});

if (document.readyState === 'interactive') {
  nukeWorkers();
}

It is also required to sign the app, or many songs will not play.
To hide all download links (as if you were in the actual app), inject the following CSS as spotify.css:

a[href='/download'] {
  display: none;
}

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