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GitHub has recently posted an article about view_component: https://github.blog/2020-12-15-encapsulating-ruby-on-rails-views/ Before it gets too popular I think I should share my experience with cells So that developers can have another chance to re-think and pick what to use for "encapsulated view components".
This gives me access to input values as long as I defined them via attr_reader. Oh what's the Contract XXX above attr_reader? They are from contracts.ruby and completely optional and won't be explained in this post. You can safely ignore those and maybe study that gem later.
Above implemented via my own gem contracted_value and feel free to swap it with any other value object implementation which can be gems or your own code.