rescript-lang / rescript-lang/rescript

Migration on dict cause invalid code

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Dominant language
OCaml
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Forks
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Avg merge
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Merged PRs (30d)
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Description

type t = dict<dict<string>>

Running migration file on this turns to

type t = dict<dict<dict>>

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the migration using the nested dict type shown in the issue, then trace the migration entry point that transforms the type declaration. Compare the migrated output with the original nesting and add coverage for this case; done means the result preserves the two nested dict layers and the string type.

Written by the indexing model from the issue text.

Assessment

Tech stack
ocaml
Domain
compilers
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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