syntax_tree_ext

SyntaxTreeExt

It adds some helpers to syntax_tree node.

Installation

Install the gem and add to the application's Gemfile by executing:

$ bundle add syntax_tree_ext

If bundler is not being used to manage dependencies, install the gem by executing:

$ gem install syntax_tree_ext

Usage

require 'syntax_tree'
require 'syntax_tree_ext'

# node is a HashLiteral or BareAssocHash node
node.foo_assoc # get the assoc node of hash foo key
node.foo_value # get the value node of the hash foo key
node.foo_source # get the source of the value node of the hash foo key
node.keys # get key nodes of the hash node
node.values # get value nodes of the hash node

# all nodes
node.to_value # get the value of the node, like `true`, `false`, `nil`, `1`, `"foo"`
node.to_source # get the source code of the node

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/synvert-hq/syntax_tree_ext.