The packaging process

For every theme you develop for distribution in marketplaces and repositories through the sale and delivery of projects to clients and contractors of the service, you must follow some mandatory requirements for the theme to be packaged properly and consequently distributed to different Magento instances.

As seen in previous chapters, Magento uses the composer.json file to define dependencies and information relevant to the developed component. Remember how the composer.json file is declared in the Bookstore theme:

{ 
    "name": "packt/bookstore", 
    "description": "BookStore theme", 
    "require": { 
        "php": "~5.5.0|~5.6.0|~7.0.0", 
        "magento/theme-frontend-luma": "~100.0", 
        "magento/framework": "~100.0" 
    }, 
    "type": "magento2-theme", 
    "version": "1.0.0", 
    "license":...