From dec0496aea86d9ed329b4193cad42066b371ccba Mon Sep 17 00:00:00 2001 From: Stan Lo Date: Fri, 7 Jun 2024 21:05:11 +0100 Subject: [PATCH] Add a section to guide users choose between helper methods and commands --- EXTEND_IRB.md | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/EXTEND_IRB.md b/EXTEND_IRB.md index e5bc4a155..684b0b7b1 100644 --- a/EXTEND_IRB.md +++ b/EXTEND_IRB.md @@ -4,6 +4,17 @@ From v1.13.0, IRB provides official APIs to extend its functionality. This featu customize and enhance their users' IRB sessions by adding new commands and helper methods tailored for the libraries. +## Helper Methods vs. Commands + +- Use a helper method if the operation is meant to return a Ruby object that interacts with the application. + - For example, an `admin_user` helper method that returns `User.where(admin: true).first`, which can then be used like `login_as(admin_user)`. +- Use a command if the operation fits one of the following: + - A utility operation that performs non-Ruby related tasks, such as IRB's `edit` command. + - Displays information, like the `show_source` command. + - If the operation requires non-Ruby syntax arguments, like `ls -g pattern`. + +If you don't know what to pick, go with commands first. Commands are generally safer as they can handle a wider variety of inputs and use cases. + ## Commands Commands are designed to complete certain tasks or display information for the user, similar to shell commands.