Scala 3 and updates

.github/workflows/ci.yml

@@ -0,0 +1,52 @@
+name: CI build
+
+on:
+  push:
+    branches: [ master ]
+    tags: [ '*' ]
+  pull_request:
+    branches: [ master ]
+    types: [ opened, reopened, labeled, synchronize ]
+
+jobs:
+  check-formatting:
+
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' || github.event.action != 'labeled' # run for 'opened', 'reopened' and 'synchronize'
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: coursier/setup-action@v1.3.0
+        with:
+          apps: scalafmt
+      - name: Check code and docs formatting
+        run: scalafmt --check
+
+  build:
+
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' || github.event.action != 'labeled' # run for 'opened', 'reopened' and 'synchronize'
+
+    strategy:
+      matrix:
+        scala: ["2_12", "2_13", "3"]
+        platform: ["jvm", "js", "native"]
+        jvm: ['temurin:1.8.0-392', 'temurin:1.21.0.1']
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: coursier/cache-action@v6
+      - uses: coursier/setup-action@v1.3.0
+        with:
+          jvm: ${{ matrix.jvm }}
+          apps: sbt
+      - name: Clean, compile, test, generate coverage report, check MiMa
+        run: sbt ci-${{ matrix.platform }}-${{ matrix.scala }}
+      - uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/dependency-graph.yml

@@ -0,0 +1,13 @@
+name: Update Dependency Graph
+
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  dependency-graph:
+    name: Update Dependency Graph
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: scalacenter/sbt-dependency-submission@v2

.github/workflows/release.yml

@@ -0,0 +1,30 @@
+name: Sonatype Release
+
+on:
+  push:
+    branches: [ master ]
+    tags: [ '*' ]
+
+jobs:
+  release-tag:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: coursier/cache-action@v6
+      - name: Import GPG key for signing the release
+        uses: crazy-max/ghaction-import-gpg@v6
+        with:
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
+      - uses: coursier/setup-action@v1.3.0
+        with:
+          jvm: 'temurin:1.8.0-392'
+          apps: sbt
+      - name: Publish all projects
+        run:  sbt ci-release
+        env:
+          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}

.gitignore

@@ -1,6 +1,18 @@
+# sbt build
+project/project
+project/target
+target
+*.class
+# Mdocs documentation
+docs/build
+# Scala Metals and BSP
 .bloop
-.ensime
+.bsp
+.metals
+project/metals.sbt
+# IDEs
 .idea
-target/
-project/target
-*~
+.vscode
+# other
+.scala-build
+*.log

.readthedocs.yaml

@@ -0,0 +1,21 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+  jobs:
+    post_checkout:
+      - git fetch --unshallow || true
+
+python:
+  install:
+    - requirements: docs/requirements.txt
+
+mkdocs:
+  configuration: docs/mkdocs.yml

.scalafmt.conf

@@ -1,24 +1,25 @@
+version = 3.8.2
+project.git = true
+project.includePaths."+" = ["glob:**/docs/**.md"]
 maxColumn = 120
-style = IntelliJ
-align = most
-align.openParenCallSite = true
-align.tokens.add = ["=",":"]
-assumeStandardLibraryStripMargin = true
-newlines.sometimesBeforeColonInMethodReturnType = false
-optIn.breakChainOnFirstMethodDot = false
-optIn.configStyleArguments = true
-runner.optimizer.forceConfigStyleOnOffset = 120
-runner.optimizer.forceConfigStyleMinArgCount = 1
-spaces.inImportCurlyBraces = true
+runner.dialect = Scala213Source3
+fileOverride {
+  "glob:**/src/main/scala-3/**" { runner.dialect = scala3 }
+  "glob:**/src/test/scala-3/**" { runner.dialect = scala3 }
+}
 
-rewrite.rules = [
-  PreferCurlyFors,
-  RedundantBraces,
-  RedundantParens,
-  SortImports
-]
+align.preset = some
 
-project.git = true
-project.includeFilters = [
-  "modules/.+\\.scala"
-]
+rewrite.rules = [Imports, RedundantBraces, SortModifiers]
+rewrite.imports.sort = scalastyle
+rewrite.redundantBraces.stringInterpolation = true
+
+rewrite.scala3.convertToNewSyntax = true
+rewrite.scala3.removeOptionalBraces = false
+
+docstrings.blankFirstLine = no
+docstrings.style = SpaceAsterisk
+docstrings.wrap = yes
+
+newlines.sometimesBeforeColonInMethodReturnType = true
+lineEndings = unix

README.md

@@ -7,7 +7,7 @@
 
 One enum type class to rule them all.
 
-In Scala you might meet many different implementations of enums:
+In Scala, you might meet many different implementations of enums:
 
  * build-in `scala.Enumeration`,
  * sum-type based sealed hierarchies,
@@ -22,7 +22,7 @@ With a type class.
 
 ## Usage
 
-Add to your sbt (2.11, 2.12 and 2.13 supported)
+Add to your sbt (2.12, 2.13 and 3.3+ supported)
 
 ```scala
 libraryDependencies += "io.scalaland" %% "enumz" % enumzVersion // see Maven badge