.scalafmt.conf

version = "3.8.3"

# Scala 2 with -Xsource:3 compiler option
runner.dialect = scala213source3

# Number of maximum characters in a column
maxColumn = 100

# Indentation used historically in the project
indent.defnSite = 2

# Ensure breaks on each select (.method1.method2...) unless all fit on a single line
newlines.selectChains = unfold

# Ensure newlines are added around top level body definitions when there are more than one statement
newlines.topLevelBodyIfMinStatements = [before,after]
newlines.topLevelBodyMinStatements = 2

# Allow line-overflow for comments and lines that would overflow even with a newline.
newlines.avoidForSimpleOverflow=[slc, tooLong]

# Ensure newlines around every statement except `case object` definitions
newlines.topLevelStatementBlankLines = [
  {
    blanks = 1,
    minBreaks = 1,
    regex = "^(?!((Term\\.Apply)|(Defn\\.Object)))"
  }
]

# Ensure lines starting with the margin character `|` are indented differently
assumeStandardLibraryStripMargin = true

# Align everything that can be aligned
align.preset = most
align.multiline = false
align.tokens."+" = [
  {
    code = ":=", owner = "Term.ApplyInfix"
  },
  {
    code = "+=", owner = "Term.ApplyInfix"
  },
  {
    code = "++=", owner = "Term.ApplyInfix"
  },
  {
    code = "--=", owner = "Term.ApplyInfix"
  },
  {
    code = "-=", owner = "Term.ApplyInfix"
  }
]

# Use ScalaDoc style and enable wrapping when reaching `maxColumn`
docstrings.style = "SpaceAsterisk"
docstrings.wrap = yes
docstrings.blankFirstLine = yes
docstrings.oneline = unfold

rewrite.rules = [
  AvoidInfix, # Avoid infix calls (except for operators)
  RedundantBraces,
  RedundantParens, # Ensure redundant parentheses are removed
  SortModifiers, # Ensure modifiers like `implicit` or `final` are sorted the same
  PreferCurlyFors, # Replaces parentheses into curly braces in for comprehensions that contain multiple enumerator generators
  Imports
]

# Ensure redundant braces are removed
rewrite.redundantBraces.maxLines = 1
rewrite.redundantBraces.stringInterpolation = true

# Ensure consistent ordering for imports
rewrite.imports.sort = original
rewrite.imports.groups = [
  ["java\\..*"],
  ["scala\\..*"],
  ["cats\\..*", "fs2\\..*"]
]

# Avoid ASCII tokens
rewriteTokens = {
  "⇒": "=>"
  "→": "->"
  "←": "<-"
}

# Select followed by curly braces should not start a chain
includeCurlyBraceInSelectChains = false

# Ensure code blocks inside markdown files get formatted too
project.includePaths = ["glob:**.scala", "glob:**.sbt", "glob:**.sc", "glob:**.md"]
project.excludePaths = ["glob:**metals.sbt"]

fileOverride {
  "glob:**/scala-2.12/**/*.scala" {
    runner.dialect = scala212source3
  }
}