feat: TypeScript support for Espree#705
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fasttime merged 40 commits intoeslint:mainfrom Dec 30, 2025
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Prerequisites checklist
What is the purpose of this pull request?
Provide TypeScript support for
espree.What changes did you make? (Give an overview)
checkJs/allowJsTypeScript toespree.lib/espree.js, removes an uncovered and apparently unnecessary branch (previously lines 152-154) where a property was being added to an array.Related Issues
A renewed approach to #544 which doesn't require a special, fragile build routine or non-standard JSDoc tags.
Is there anything you'd like reviewers to focus on?
The
@typedefexports that were of previous concern should not be here since the main file does not use them except for public type exports. Otherwise, we are using@import.Has some added complexity in redefining Acorn/acorn-jsx because Acorn's TypeScript does not concern all properties of relevance to plugin authors. See acornjs/acorn#1404 .
Currently applies acorn-jsx from my own fork as waiting on acornjs/acorn-jsx#139 .