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Aqua

Aqua is general templating and scaffolding solution for Elixir projects, that helps:

  • make the Elixir's development experience smoother
  • follow the best practices for project structuring
  • increase development speed

Aqua by itself tries to bring the most common and general templates and code snippets, that are widely used in development, and also allowes it's users to create there own templates and snippets.

Acknowledgements

Aqua is heavily inspired by Dave's Thomas solutions:

while tries to bring some new features, that probably can be useful for day-by-day coding experience.

Also, because Aqua is used as a Mix archive, other Elixir packages can not be used as it's dependencies.

While JSON configurations are widely used across Aqua and it's templates, Jason library is fully copied, namespaced and backed inside Aqua package. All copyrights and notes for this library can be found in it's license section.

Installation

Note: you should not add aqua as dependency for your project.

Install it locally as mix archive, using:

$ mix archive.install hex aqua

Quick-start

Simply run

$ mix aqua

and follow the instructions :)

To create new project:

  • Standalone:

    $ mix aqua new umbrella my_umbrella
    $ mix aqua new console foo --no-test
    $ mix aqua new otp bar --force
  • Inside umbrella - call commands in umbrella's root, not inside apps folder:

    $ mix aqua new umbrella my_umbrella
    $ cd my_umbrella
    $ mix aqua new ecto db
    $ mix aqua new plug server

To add new predefined file:

  • Standalone:

    Using alias:

    $ mix aqua add empty.struct MyApp.Structs.User

    Using path:

    $ mix aqua add empty.struct ./lib/my_app/structs/post.ex
  • Inside umbrella:

    Using alias:

    $ mix aqua add empty.struct MyFapp.Structs.User
    error: :my_fapp child application is not found
    
    $ mix aqua add empty.struct MyApp.Structs.User
    ok...

    Using path:

    $ mix aqua add empty.struct ./apps/my_app/lib/my_app/structs/post.ex --force

Update template:

$ mix aqua update plug

General information

Domain Terminology

Across Aqua ecosystems, next terminology is accepted:

  • Template - repository, properly structured, that contains data that can be used by Aqua to generate Scaffolds and Injects;
    • Predefined template - no more predefined then other, but is placed on GitHub under aquapm organisation;
    • Custome template - any template, that can be found across entire Internet;
  • Scaffold - full project files bundle, that is generated in separate folder, and generally is Mix project;
  • Inject - single file, that in most cases represents Elixir module, and can be placed (or injected) in any proper place of your Mix project;
  • Args - command line arguments, that can be passed to different Aqua commands;
    • Common args - args, that are accepted by every Aqua command, obviosly optional;
    • Custom args - args, that are specified in config of Template. Are specific for every Scaffold or Inject;

File system artifactory

Aqua uses ~/.aqua folder for it's internal needs. This means that:

  • Each user will have his own Aqua configuration;
  • Different Elixir version (for example, switchable by ASDF) will share same configuration;

Templates

Templates generally can have information about Scaffold and Injects, including there configuration and Args.

Predefined templates list can be found under:

  • AquaPM Github organization - here
  • After calling:
    mix aqua list

Custom templates can be found everywhere, or created by yourself. Read Documentation to get information about Template creation.

Scaffold

Scaffold can be created using new command. Use:

$ mix aqua help new

in order to get information about this command. Args for the scaffold can be found it it's Template documentation

Inject

Inject can be created using add command. Use:

$ mix aqua help add

in order to get information about this command. Args for the scaffold can be found it it's Template documentation

Documentation

The docs can be found at https://hexdocs.pm/aqua.

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