DartFormat

Plugin for JetBrains (Android Studio, IntelliJ IDEA, ...)

A formatter for Dart.

Like dartfmt.
But better ;)
Because it's configurable.

To format the current file / the currently selected folders and files, press the following:
Under Windows: Ctrl+Alt+,
Under macOS: Command+Alt+,

Download the plugin from JetBrains marketplace:
https://plugins.jetbrains.com/plugin/21003-dartformat
Source code: https://github.com/eggnstone/DartFormatJetbrainsPlugin

Also available for Visual Studio Code:
https://marketplace.visualstudio.com/items?itemName=eggnstone.DartFormat
Source code: https://github.com/eggnstone/DartFormatVSCodePlugin

External dart_format package:
https://pub.dev/packages/dart_format
Source code: https://github.com/eggnstone/dart_format