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Using browser-sync

Browser-sync is a tool that helps you test and develop themes on multiple devices at once, and auto-reloads all browsers when a file has changed on your machine.

Using browser-sync on your host machine

You can run browser-sync directly on your machine.

Make sure browser-sync is installed locally, or install it with:

sudo npm install -g browser-sync

You can run browser-sync from your Hyvä theme:

cd /path/to/project/app/design/frontend/Acme/default/web/tailwind/
PROXY_URL="https://your-magento.test" npm run browser-sync

Set the PROXY_URL environment variable to the host name you use to access your Magento development instance in the browser.

Or, you can run it directly with:

browser-sync start --proxy "https://your-magento.test" --https --files 'app/**/*.phtml, app/**/*.xml, app/**/*.css, app/**/*.js'

CTRL-C will stop the watcher.

browser-sync with Docker

You may prefer to run browser-sync in Docker, for example if you don’t have your theme files mounted from your local machine but only inside your docker containers.

You can start browser-sync through a Docker container to initiate hot-reload on theme-changes by running:

docker run -dt
    --name browser-sync
    --host
    -p 3000:3000
    -p 3001:3001
    -v $(PWD):/source
    -w /source ustwo/browser-sync
    start --proxy "yourdomain.localhost" --files 'app/**/*.phtml, app/**/*.xml, app/**/*.css, app/**/*.js'

Troubleshooting

If you don’t see changes when the browser reloads, check if caches are disabled, e.g. full_page, blocks_html, layout.