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RuboCop AST

Gem Version CI Test Coverage Maintainability

Contains the classes needed by RuboCop to deal with Ruby's AST, in particular:

  • RuboCop::AST::Node
  • RuboCop::AST::NodePattern (doc)

This gem may be used independently from the main RuboCop gem. It was extracted from RuboCop in version 0.84 and its only dependency is the parser gem, which rubocop-ast extends.

Installation

Just install the rubocop-ast gem

gem install rubocop-ast

or if you use bundler put this in your Gemfile

gem 'rubocop-ast'

Usage

Refer to the documentation of RuboCop::AST::Node and RuboCop::AST::NodePattern

Parser compatibility switches

The main RuboCop gem uses legacy AST output from parser. This gem is meant to be compatible with all settings. For example, to have -> { ... } emitted as LambdaNode instead of SendNode:

RuboCop::AST::Builder.emit_lambda = true

Contributing

Checkout the contribution guidelines.

License

rubocop-ast is MIT licensed. See the accompanying file for the full text.