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wtf is catalystx-injectcomponent?

robertkrimen/catalystx-injectcomponent — explained in plain English

Analysis updated 2026-08-08 · repo last pushed 2012-07-02

4PerlAudience · developerComplexity · 2/5DormantSetup · moderate

TL;DR

A Perl tool for Catalyst web apps that lets you plug in controllers, models, or views at startup time instead of hardcoding them, so you can swap components based on configuration or app needs.

Mindmap

mindmap
  root((repo))
    What it does
      Injects components at startup
      Creates packages on the fly
      Supports controllers models views
    Tech stack
      Perl
      Catalyst framework
      Moose
    Use cases
      Swap controllers by config
      Pull shared controllers in
      Pick component versions
    Audience
      Catalyst developers
      Perl web app builders
    History
      Inspired by AutoCRUD
      Dates to 2012

Code map

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filefunction / class

Why would anyone build with this?

REASON 1

Swap between two versions of a controller at startup based on a configuration setting.

REASON 2

Pull in a shared controller from another Catalyst application and register it under a custom name.

REASON 3

Inject different models or views depending on runtime environment or app needs.

What's in the stack?

PerlCatalystMoose

How it stacks up

robertkrimen/catalystx-injectcomponentmotemen/perl5-router-simple-reversiblebackes/rainbarf
Stars441
LanguagePerlPerlPerl
Last pushed2012-07-022021-02-052013-11-15
MaintenanceDormantDormantDormant
Setup difficultymoderateeasyeasy
Complexity2/52/51/5
Audiencedeveloperdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · moderate Time to first run · 30min

Requires a Moose-compatible version of the Catalyst web framework installed in your Perl environment.

No license information is provided in the README, so usage rights are unclear.

Wtf does this do

CatalystX::InjectComponent is a tool for Perl developers using the Catalyst web framework that lets you plug in controllers, models, and views into your web application while it's starting up, rather than hardcoding them from the start. This means you can swap in different pieces depending on what your app needs at that moment. Under the hood, when you tell it to inject a component, it creates a fresh package on the fly that inherits from the component you specified, then hands it to Catalyst to wire up normally. You call a single method and point it at your app and the component you want added, optionally giving it a custom name so it fits neatly into your app's structure. Someone building a Catalyst app who wants flexibility at startup would find this useful. For instance, if you have two versions of a root controller and need to pick one based on a configuration setting, you can inject whichever version matches when the app boots. You could also pull in a shared controller from a completely different application and drop it into yours under a clean name. The project was inspired by Catalyst::Plugin::AutoCRUD, an earlier tool that automatically generated CRUD interfaces. This one takes a more general approach, letting you inject any component type rather than just data-handling ones. It's a small, focused utility dating back to 2012, and it requires the Moose-compatible version of Catalyst. The README doesn't go into much detail beyond the basics of calling the inject method, but the concept is straightforward enough that the examples provided cover the main use cases.

Yoink these prompts

Prompt 1
I have a Catalyst app and need to choose between two root controllers at startup based on a config file. Show me how to use CatalystX::InjectComponent to inject the right one.
Prompt 2
Help me use CatalystX::InjectComponent to import a controller from a separate Perl module into my Catalyst app under a different name so it doesn't clash.
Prompt 3
Walk me through setting up CatalystX::InjectComponent in a Moose-based Catalyst application to inject a model component at application startup.

Frequently asked questions

wtf is catalystx-injectcomponent?

A Perl tool for Catalyst web apps that lets you plug in controllers, models, or views at startup time instead of hardcoding them, so you can swap components based on configuration or app needs.

What language is catalystx-injectcomponent written in?

Mainly Perl. The stack also includes Perl, Catalyst, Moose.

Is catalystx-injectcomponent actively maintained?

Dormant — no commits in 2+ years (last push 2012-07-02).

What license does catalystx-injectcomponent use?

No license information is provided in the README, so usage rights are unclear.

How hard is catalystx-injectcomponent to set up?

Setup difficulty is rated moderate, with roughly 30min to a first successful run.

Who is catalystx-injectcomponent for?

Mainly developer.

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