Learn about the IntelliJ requirements for code formatting plugins · avh4/elm-format#198

2016-06-08T23:03:36.000Z

- https://github.com/durkiewicz/elm-plugin/issues/9#issuecomment-220239318 - http://www.jetbrains.org/intellij/sdk/docs/reference_guide/custom_language_support/code_formatting.html - https://github.com/avh4/elm-format/issues/182#issuecomment-230946090 Questions to answer: - What are IntelliJ's requirements for supporting code formatting for a language? - Supposedly the Haskforce plugin does formatting via an external tool (https://github.com/avh4/elm-format/issues/182#issuecomment-230946090), can that approach be used for the elm plugin? Does the elm plugin author not like that approach, and if so, could a separate elm-format plugin be created? - What API needs to be implemented in the IntelliJ plugin? - How can we generate the required formatting code from the elm-format source?

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Description

Questions to answer:

What are IntelliJ's requirements for supporting code formatting for a language?
Supposedly the Haskforce plugin does formatting via an external tool (https://github.com/avh4/elm-format/issues/182#issuecomment-230946090), can that approach be used for the elm plugin? Does the elm plugin author not like that approach, and if so, could a separate elm-format plugin be created?
What API needs to be implemented in the IntelliJ plugin?
How can we generate the required formatting code from the elm-format source?

Contributor guide

Tech stack: None
Domain: developer experiencetooling
Issue type: research
Difficulty: 4
Estimated time: 1-3 hours
Activity status: stale
Clarity: mostly clear
Prerequisites: IntelliJ SDK documentation readingelm format repository structure
Newbie friendliness: 35
Research direction: Review the provided links to understand IntelliJ's code formatting API requirements. Examine the Haskforce plugin approach for formatting via an external tool as referenced in the comments. Investigate whether the elm plugin author has expressed concerns about that approach and if a separate plugin could be created.