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CONTRIBUTING.md

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Contributing

Thanks for your interest in contributing to holi! If you have any questions, ping me on Slack: @Lucio Assis

Guidelines

  • No pull requests without tests
  • No calendars without external references to back it up
  • Opening an issue is also a form of contribution!

That's it! See below for some practical stuff.

General development

Requirements

  • Clojure 1.11
  • Make

Running tests

To run clj tests, run make test (or make watch if you want the test runner to run tests as you write code).

To run cljs tests, run make test-cljs.

To run tests against the candidate jar, run make test-all-libs.

Performance tests

Run QUICK_PERF_TESTS=true make perftest for a quicker but higher uncertainty performance test.

Use make perftest for a longer, more precise measurement.

Code formatting

Run make fmt-check to see if code formatting is ok, and make fix to fix formatting automatically.

Linting

Your code should have no clj-kondo warnings, which you can run with make lint.

Starting a ClojureScript REPL

To start a cljs REPL:

  1. Run make repl-cljs and wait for the Build completed message
  2. Visit http://localhost:8080 to give it a JS runtime
  3. Connect to the REPL (nREPL) on port 11011

Adding a new calendar

To contribute a new calendar:

  • Add your .hol file(s) under resources/calendars-source
    • For countries, name your file after its two-letter code according to the timeanddate.com holidays API list of available countries, or ISO-3166 if not available in the API
    • For cities, create folders and files to match the timeanddate.com holidays API list of available locations (e.g. usa/anchorage), or something along those lines if not avalable
  • Write your file according to the .hol file format section at resources/holi-template/README.md
  • Add it to luciolucio.holi.core/holiday-datelists
  • Add tests for a few years' worth of holidays in the luciolucio.holi.generate-test.holidays-locations-test namespace
  • Add one holiday for every added file in both test-lib/clj/src/holi_test.clj and test-lib/cljs/src/holi_test.cljs
  • Add it to the Available holiday calendars section of the README
  • Add an entry to the calendar showcase menu at luciolucio.holi.showcase.pages.home.core/sidebar
  • Send a pull request

NOTE: If you'd like to contribute a new calendar or a correction to an existing one, please include any references that can be used to verify and document your change.