Update types and RuleContext deprecations #3972
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ljharb
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Jan 6, 2026
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ljharb
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It'd be interesting to also add tests that run in eslint 10.
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| create(context) { | ||
| const filename = context.getFilename(); | ||
| const filename = context.filename; |
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it's probably safer to do this since we still support much older eslint versions?
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| const filename = context.filename; | |
| const filename = context.filename || context.getFilename(); |
| function resolveBasedir(contextOrFilename) { | ||
| if (contextOrFilename) { | ||
| const filename = typeof contextOrFilename === 'string' ? contextOrFilename : contextOrFilename.getFilename(); | ||
| const filename = typeof contextOrFilename === 'string' ? contextOrFilename : contextOrFilename.filename; |
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| const filename = typeof contextOrFilename === 'string' ? contextOrFilename : contextOrFilename.filename; | |
| const filename = typeof contextOrFilename === 'string' ? contextOrFilename : contextOrFilename.filename || contextOrFileName.getFilename(); |
| "@babel/plugin-syntax-function-bind": "^7.27.1", | ||
| "@babel/preset-react": "^7.27.1", | ||
| "@types/eslint": "=7.2.10", | ||
| "@types/eslint": "=8.56.12", |
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we still support eslint 7 so i'm not sure we can upgrade the types - and if we do we'd use ^, not =
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Summary
On
RuleContextobjects, use thefilenameproperty instead of the deprecatedgetFilename()method. That method was marked as deprecated in ESLint v8 and is removed in ESLint v10.Motivation
I'm preparing a company project for ESLint v10, and I get an error that
eslint-plugin-reactuses a method that doesn't exist on theRuleContextobject.(Hello, this is my first PR on this repo. I hope to be helpful and respectful.)