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Mojolicious-1.65
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/ Mojolicious::Guides::CodingGuidelines

NAME

Mojolicious::Guides::CodingGuidelines - Coding Guidelines

OVERVIEW

This document describes the coding guidelines that are the foundations of Mojo and Mojolicious development.

Please don't send patches unless you agree with them.

MISSION STATEMENT

Mojo is a runtime environment for Perl web frameworks. It provides all the basic tools and helpers needed to write simple web applications and higher level web frameworks such as Mojolicious.

All components should be reusable in other projects and in a UNIXish way only loosely coupled.

Especially for people new to Perl it should be as easy as possible to install Mojolicious and get started. Writing web applications can be one of the most fun ways to learn a language!

For developers of other web frameworks it should be possible to reuse all the infrastructure and just consider the higher levels of the Mojolicious distribution an example application.

RULES

    Web development should be easy and fun, this is what we optimize for.

    The web is a moving target, to stay relevant we have to stay in motion too.

    Keep it simple, no magic unless absolutely necessary.

    The installation process should be as fast and painless as possible. (Less than a minute on most common hardware is a good rule of thumb)

    Code should be written with a Perl6 port in mind.

    No refactoring unless a very important feature absolutely depends on it.

    It's not a feature without a test and documentation.

    A feature is only needed when the majority of the userbase benefits from it.

    Features may not be changed without being deprecated for at least one major release.

    Deprecating a feature should be avoided at all costs.

    A major release can be version number independent and is signaled by a new unique code name based on a unicode character.

    New features can be marked as experimental to be excluded from deprecation policies.

    Only add prereqs if absolutely necessary and make them optional if possible.

    Domain specific languages should be avoided in favor of Perl'ish solutions.

    No inline POD.

    Documentation belongs to the guides, module POD is just an API reference.

    The main focus of the included documentation should be on examples, no walls of text. (An example for every one or two sentences is a good rule of thumb)

    The master source code repository should always be kept in a stable state, use feature branches for actual development.

    Lines should not be longer than 78 characters and we indent with 2 whitespaces.

    Code should be run through Perl::Tidy with the included .perltidyrc.

    No spaghetti code.

    Code should be organized in blocks and those blocks should be commented.

    Comments should be funny if possible.

    Every file should contain at least one quote from The Simpsons or Futurama.

    No names outside of the CREDITS section of Mojo.pm.

    No Elitism.

    Peace!

MORE

You can continue with Mojolicious::Guides now or take a look at the Mojolicious wiki http://github.com/kraih/mojo/wiki, which contains a lot more documentation and examples by many different authors.