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Spoom

Useful tools for Sorbet enthusiasts.

Installation

Add this line to your application's Gemfile:

gem 'spoom'

And then execute:

$ bundle

Or install it yourself as:

$ gem install spoom

Usage

spoom provides both a CLI and an API to interact with Sorbet.

Generate a typing coverage report

Spoom can create a typing coverage report from Sorbet and Git data:

Coverage Report

After installing the spoom gem, run the timeline command to collect the history data:

$ spoom srb coverage timeline --save

Then create the HTML page with report:

$ spoom srb coverage report

Your report will be generated under spoom_report.html.

See all the Typing Coverage CLI commands for more details.

Command Line Interface

Errors sorting and filtering

List all typechecking errors sorted by location:

$ spoom srb tc -s loc

List all typechecking errors sorted by error code first:

$ spoom srb tc -s code

List only typechecking errors from a specific error code:

$ spoom srb tc -c 7004

List only the first 10 typechecking errors

$ spoom srb tc -l 10

These options can be combined:

$ spoom srb tc -s -c 7004 -l 10

Remove duplicated error lines:

$ spoom srb tc -u

Format each error line:

$ spoom srb tc -f '%C - %F:%L: %M'

Where:

  • %C is the error code
  • %F is the file the error is from
  • %L is the line the error is from
  • %M is the error message

Hide the Errors: X at the end of the list:

$ spoom srb tc --no-count

List only the errors coming from specific directories or files:

$ spoom srb tc file1.rb path1/ path2/

Typing coverage

Show metrics about the project contents and the typing coverage:

$ spoom srb coverage

Save coverage data under spoom_data/:

$ spoom srb coverage --save

Save coverage data under a specific directory:

$ spoom srb coverage --save my_data/

Show typing coverage evolution based on the commits history:

$ spoom srb coverage timeline

Show typing coverage evolution based on the commits history between specific dates:

$ spoom srb coverage timeline --from YYYY-MM-DD --to YYYY-MM-DD

Save the typing coverage evolution as JSON under spoom_data/:

$ spoom srb coverage timeline --save

Save the typing coverage evolution as JSON in a specific directory:

$ spoom srb coverage timeline --save my_data/

Run bundle install for each commit of the timeline (may solve errors due to different Sorbet versions):

$ spoom srb coverage timeline --bundle-install

Generate an HTML typing coverage report:

$ spoom srb coverage report

Change the colors used for strictnesses (useful for colorblind folks):

$ spoom srb coverage report \
  --color-true "#648ffe" \
  --color-false "#fe6002" \
  --color-ignore "#feb000" \
  --color-strict "#795ef0" \
  --color-strong "#6444f1"

Open the HTML typing coverage report:

$ spoom srb coverage open

Change the sigil used in files

Bump the strictness from all files currently at typed: false to typed: true where it does not create typechecking errors:

$ spoom srb bump --from false --to true

Bump the strictness from all files currently at typed: false to typed: true even if it creates typechecking errors:

$ spoom srb bump --from false --to true -f

Bump the strictness from a list of files (one file by line):

$ spoom srb bump --from false --to true -o list.txt

Check if files can be bumped without applying any change and show the list of files that can be bumped without errors. Will exit with a non-zero status if some files can be bumped without errors (useful to check for bumpable files on CI for example):

$ spoom srb bump --from false --to true --dry

Bump files using a custom instance of Sorbet:

$ spoom srb bump --from false --to true --sorbet /path/to/sorbet/bin

Count the number of type-checking errors if all files were bumped to true:

$ spoom srb bump --count-errors --dry

Interact with Sorbet LSP mode

Experimental

Find all definitions for Foo:

$ spoom srb lsp find Foo

List all symbols in a file:

$ spoom srb lsp symbols <file.rb>

List all definitions for a specific code location:

$ spoom srb lsp defs <file.rb> <line> <column>

List all references for a specific code location:

$ spoom srb lsp refs <file.rb> <line> <column>

Show hover information for a specific code location:

$ spoom srb lsp hover <file.rb> <line> <column>

Show signature information for a specific code location:

$ spoom srb lsp sig <file.rb> <line> <column>

Show type information for a specific code location:

$ spoom srb lsp sig <file.rb> <line> <column>

API

Parsing Sorbet config

Parses a Sorbet config file:

config = Spoom::Sorbet::Config.parse_file("sorbet/config")
puts config.paths   # "."

Parses a Sorbet config string:

config = Spoom::Sorbet::Config.parse_string(<<~CONFIG)
  a
  --file=b
  --ignore=c
CONFIG
puts config.paths   # "a", "b"
puts config.ignore  # "c"

List all files typchecked by Sorbet:

config = Spoom::Sorbet::Config.parse_file("sorbet/config")
puts Spoom::Sorbet.srb_files(config)

Parsing Sorbet metrics

Display metrics collected during typechecking:

puts Spoom::Sorbet.srb_metrics(capture_err: false)

Interacting with LSP

Create an LSP client:

client = Spoom::LSP::Client.new(
  Spoom::Sorbet::BIN_PATH,
  "--lsp",
  "--enable-all-experimental-lsp-features",
  "--disable-watchman",
)
client.open(".")

Find all the symbols matching a string:

puts client.symbols("Foo")

Find all the symbols for a file:

puts client.document_symbols("file://path/to/my/file.rb")

Backtrace Filtering

Spoom provides a backtrace filter for Minitest to remove the Sorbet frames from test failures, giving a more readable output. To enable it:

# test/test_helper.rb
require "spoom/backtrace_filter/minitest"
Minitest.backtrace_filter = Spoom::BacktraceFilter::Minitest.new

Dead code removal

Run dead code detection in your project with:

$ spoom deadcode

This will list all the methods and constants that do not appear to be used in your project.

You can remove them with Spoom:

$ spoom deadcode remove path/to/file.rb:42:18-47:23

Development

After checking out the repo, run bin/setup to install dependencies. Then, run bin/test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment. Don't forget to run bin/sanity before pushing your changes.

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 tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/Shopify/spoom. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the Spoom project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.