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feat(json): add Rollup 5 compatibility#2017

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TrickyPi:feat/rollup-5/json
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feat(json): add Rollup 5 compatibility#2017
TrickyPi wants to merge 1 commit into
rollup:masterfrom
TrickyPi:feat/rollup-5/json

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@TrickyPi

@TrickyPi TrickyPi commented Jul 26, 2026

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Rollup Plugin Name: json

This PR contains:

  • bugfix
  • feature
  • refactor
  • documentation
  • other

Are tests included?

  • yes (bugfixes and features will not be merged without tests)
  • no

Breaking Changes?

  • yes (breaking changes will not be merged unless absolutely necessary)
  • no

If yes, then include "BREAKING CHANGES:" in the first commit message body, followed by a description of what is breaking.

List any relevant issue numbers:
related to rollup/rollup#6266

Description

Rollup 5 will support importing the same module with different import attributes. As a result, the id passed as the second argument to the transform hook may include encoded import attributes, causing the existing id.slice(-5) !== '.json' check to incorrectly skip JSON modules.
This PR uses transformOptions.rawId for the JSON extension check when it is available and falls back to id for compatibility with earlier Rollup versions.

@TrickyPi
TrickyPi requested a review from shellscape as a code owner July 26, 2026 12:38
@TrickyPi TrickyPi changed the title feat: add Rollup 5 compatibility feat(json): add Rollup 5 compatibility Jul 26, 2026
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