0.31

Formatting changes

• Improve argument indentation when a multi-line function is followed by a lambda.

Before:

someFunction(
    first = arg1,
    second = arg2)
    .also { print(it) }

After:

someFunction(
        first = arg1,
        second = arg2)
    .also { print(it) }

• Put function invocations on the same line when the variable name is shorter or equal to the indentation size
  • This is not new, but is now done more uniformly.

Before:

user
    .modify()
    .commit()

After:

user.modify()
    .commit()

Crash fixes

• Fix crash when using optional arrow in lambda
• Fix crash when optional semicolon is used in a long single-line lambda
• Support expect enum class without a body.

Library changes

• Update kotlin version to 1.6.10
• When formatting stdin, print formatted code to stdout regardless of whether it changed
• Refactored namespace and function organization - for example, format was previously a top-level function, but now it's a method on the Formatter object.

Library usage before:

import com.facebook.ktfmt.format.format

val formattedCode = format(options, code)

Library usage after:

import com.facebook.ktfmt.format.Formatter

val formattedCode = Formatter.format(options, code)