MobileNativeFoundation / MobileNativeFoundation/rules_xcodeproj

Cleanup: Target consolidation should happen in Starlark

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cleanup
Dominant language
Swift
Stars
626
Forks
124
PR merge metrics
No merged PRs in 30d

Description

Target consolidation currently happens in the generator. This is not ideal for a few reasons:

  • These targets share a lot of inputs, resulting in larger than necessary targets_spec.json files
  • We could get a non-zero amount of additional analysis cache hits having the computation happen in Starlark

Since the consolidation logic is dictionary bucketing based, it should be pretty simple to port it over to Starlark, similar to how we moved target merging.

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

Start with tools/generator/src/Generator/ConsolidateTargets.swift, especially lines 5-13, and compare the existing target-merging move to Starlark. Port the dictionary-bucketing consolidation into Starlark so shared inputs are reduced in targets_spec.json and the generator no longer performs this work.

Written by the indexing model from the issue text.

Assessment

Tech stack
swift
Domain
build-system
Issue type
Refactor
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
42/100

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