Owner

japgolly

13 indexed repositories · View on GitHub

scalajs-react
Facebook's React on Scala.JS

Scala · 1659 stars
scalacss
Super type-safe CSS for Scala and Scala.JS.

Scala · 339 stars
scala-graal
Make usage of Graal features easy and safe from Scala. Also features Scala-based React SSR.

Scala · 192 stars
nyaya
Random Data Generation and/or Property Testing in Scala & Scala.JS.

Scala · 188 stars
test-state
Scala Test-State.

Scala · 144 stars
clear-config
Scala FP configuration library with a focus on runtime clarity

Scala · 144 stars
scalajs-benchmark
Benchmarks: write in Scala or JS, run in your browser. Live demo:

Scala · 72 stars
univeq
Safer universal equivalence (==) for Scala.

Scala · 59 stars
setup-everything-scala
GitHub Action to prepare the environment for Scala & Scala.JS dev and testing

Scala · 40 stars
mr.boilerplate
Online app to generate Scala boilerplate

Scala · 32 stars
microlibs-scala

Scala · 26 stars
webtamp
Asset bundler. Companion to bundlers like Webpack.

TypeScript · 20 stars
webapp-util
Scala Webapp Utilities

Scala · 17 stars

Beginner friendly Everything

Open All

RouterWithPropsConfigDsl lacks prop-aware guard helpers (no way to use props in addConditionWithFallback) Open

Router

Difficulty 4/5 3-5 days Newbie friendliness 48/100

japgolly/scalajs-react#1135 · 1 comment · Opened Dec 25, 2025
Starter template Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

japgolly/scalajs-react#1110 · Opened Jul 19, 2025
how to read variable values from application.conf that are in .env file Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

japgolly/clear-config#168 · Opened Apr 14, 2024
Why do the maven repos have scala 3 version of "core" but not "ext-scalatags"? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

japgolly/scalacss#378 · 1 comment · Opened Nov 13, 2023
Update docs for v 1.0.0 and Scala 3 Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

japgolly/scalacss#371 · 1 comment · Opened Aug 27, 2023
Config report doesn't connect name-adjusted keys together Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

japgolly/clear-config#153 · Opened Jul 25, 2023
Provide default IO/SyncIO error handler for component Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

japgolly/scalajs-react#1084 · Opened Jun 2, 2023
Division by 0 error during deselection of all benchmarks on the batch mode page Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

japgolly/scalajs-benchmark#309 · Opened Mar 19, 2023
Class name generation and ad-block Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

japgolly/scalacss#358 · Opened Feb 22, 2023
'media' functionality not recognisable in scala 2.13 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

japgolly/scalacss#356 · 1 comment · Opened Feb 2, 2023
Cannot mix static and dynamic routes even if conditional Open

Router

Difficulty 4/5 3-5 days Newbie friendliness 45/100

japgolly/scalajs-react#1080 · 1 comment · Opened Dec 19, 2022
Add tailrec action Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

japgolly/test-state#300 · Opened Oct 12, 2022
Make `AdtMacros` API clearer Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

japgolly/microlibs-scala#188 · Opened Sep 30, 2022
`db.appname` validation Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

japgolly/webapp-util#28 · 1 comment · Opened Sep 28, 2022
Rename `{Db => DbProvider}`? Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

japgolly/webapp-util#27 · Opened Sep 28, 2022
10x times difference in results between online and file accesed benchmark page Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

japgolly/scalajs-benchmark#285 · Opened Sep 8, 2022
Add support for a `(R, O, S) => S` to run with every successful obs Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

japgolly/test-state#291 · Opened Aug 30, 2022
Rename `valueDisplay0` Open

Difficulty 1/5 Under an hour Newbie friendliness 25/100

japgolly/clear-config#120 · Opened Aug 15, 2022
Cursor support Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

japgolly/webapp-util#25 · 7 comments · Opened May 17, 2022
Support `react-refresh` for faster dev experience Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

japgolly/scalajs-react#1061 · Opened May 5, 2022
Browser Prefix Transforms are Over-Eager Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

japgolly/scalacss#328 · Opened Feb 27, 2022
Browser prefixes are added based on "all-time" as opposed to configurable browser versions Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

japgolly/scalacss#327 · Opened Feb 27, 2022
Support for generating a StyleSheet targeting multiple `Platform`s worth of browser prefixes Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

japgolly/scalacss#326 · Opened Feb 27, 2022
Scala Native support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

japgolly/setup-everything-scala#8 · Opened Feb 7, 2022
Getting started is challenging Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

japgolly/scalajs-benchmark#228 · 3 comments · Opened Nov 7, 2021
Add FakeDb Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

japgolly/webapp-util#8 · Opened Oct 3, 2021
Bindings for other languages Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

japgolly/scala-graal#192 · 1 comment · Opened Sep 15, 2021
Document how to accept component children lol Open

doco

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

japgolly/scalajs-react#966 · Opened Aug 12, 2021
Document polymorphic component how-to Open

doco

Difficulty 3/5 1-2 days Newbie friendliness 15/100

japgolly/scalajs-react#965 · Opened Aug 12, 2021
Document disadvantages of React context Open

doco

Difficulty 3/5 1-2 days Newbie friendliness 42/100

japgolly/scalajs-react#891 · 1 comment · 1 reaction · Opened Apr 5, 2021
Access context from lifecycle methods (`static contextType = X`) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

japgolly/scalajs-react#890 · 2 comments · Opened Apr 2, 2021
Methods on component accessible to JS Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

japgolly/scalajs-react#837 · 8 comments · Opened Dec 21, 2020
Improvements exclusive to Scala 3.0 Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

japgolly/scalajs-react#785 · 4 comments · 3 reactions · Opened Oct 8, 2020
How to generate custom CSS declaration? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

japgolly/scalacss#233 · Opened Sep 5, 2020
assert multiline - (optionally) trim big blocks of equal context Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

japgolly/microlibs-scala#77 · Opened Aug 27, 2020
Suboptimal layout of bars in some charts Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

japgolly/scalajs-benchmark#110 · 1 comment · Opened Jul 1, 2020
Add query params Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

japgolly/scalajs-benchmark#93 · Opened May 18, 2020
Log10 scale option for the main score wanted Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

japgolly/scalajs-benchmark#90 · 1 comment · Opened May 17, 2020
Use sourcecode to report where assertion failures come from Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

japgolly/test-state#106 · Opened Apr 3, 2020
Circe: option to omit decoders or encoders Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

japgolly/mr.boilerplate#3 · Opened Nov 6, 2019
Circe output: case a @ Object causes stack-overflow Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

japgolly/mr.boilerplate#2 · Opened Oct 18, 2019
empty/∅ as optional trait in test-util Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

japgolly/microlibs-scala#26 · Opened Jun 29, 2019
Support for HOCON (typesafe config) backend? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

japgolly/clear-config#26 · 3 comments · Opened Jun 24, 2019
Use mdoc Open

could doco

Difficulty 3/5 1-2 days Newbie friendliness 35/100

japgolly/scalajs-react#513 · Opened Jan 4, 2019
[dom-zipper] Compositional query DSL Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

japgolly/test-state#51 · Opened Oct 27, 2018
Remove DomCollection.{map,traverse,}{doms,extracts}? Open

maybe

Difficulty 3/5 1-2 days Newbie friendliness 25/100

japgolly/test-state#48 · Opened Oct 15, 2018
Allow specification of forward-def displayName Open

should

Difficulty 5/5 Over a week Newbie friendliness 20/100

japgolly/scalajs-react#496 · Opened Sep 16, 2018
Faster setText in Selenium Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

japgolly/test-state#29 · Opened Jul 24, 2018
[Scala 3] Use implicit fns to enforce side-effect boundaries Open

consider-in-v3

Difficulty 5/5 Over a week Newbie friendliness 20/100

japgolly/test-state#28 · Opened Jul 14, 2018
Feedback: Transformation / upgrades. Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

japgolly/clear-config#10 · 3 comments · Opened Jul 2, 2018

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