Keith Lazuka and AJ Alt from Microsoft share their experience writing the amazing Elm language support package for the IntelliJ family of integrated development environments.
Thank you to our sponsors, Ellie, Culture Amp and Joel Clermont.
Special thanks to Xavier Ho (@Xavier_Ho) for editing and production of this episode!
Recording date: 23 February 2019
Guests
- Keith Lazuka (@klazuka)
- AJ Alt (@ajalt on Medium)
Show Notes
00:00:00 Introduction
00:01:37 Guest intro
00:02:45 Project beginnings
00:07:10 About IntelliJ
00:08:04 Elm at Microsoft
00:09:20 Writing IntelliJ plugins with Kotlin
00:13:34 Parsing Elm to produce an Abstract Syntax Tree (AST)
00:16:22 So many features!
00:18:56 Type inference
00:19:55 How do you decide what features to build?
00:20:44 Tidying up dead code and imports since Elm 0.19
00:23:03 Supporting both Elm 0.18 and Elm 0.19
00:27:25 Parsing partial Elm programs with errors
00:30:38 Language servers and multi-editor support
00:32:57 Saving on scrolling
00:34:28 Effortless refactoring
00:36:19 Extensible records
00:37:43 Test-driven development & BNF grammar
00:38:39 How do you split work?
00:40:42 Outro