fix(linter/import): count unique module sources in max-dependencies#19270
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@connorshea mind reviewing if you have time? Thanks |
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Pull request overview
This PR fixes the import/max-dependencies lint rule so that it counts unique module sources (e.g., './foo') instead of counting individual import specifiers, aligning behavior with eslint-plugin-import and resolving oxc issue #19120.
Changes:
- Update
MaxDependenciesto track uniquemodule_requestsources via a set, rather than usingimport_entries.len(). - Improve diagnostic labeling to point at the first import that exceeds the configured maximum.
- Update/add tests and snapshots to cover the “multiple specifiers from same module counts once” behavior.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| crates/oxc_linter/src/rules/import/max_dependencies.rs | Switch counting logic to unique module sources (with correct handling for ignoreTypeImports) and update tests accordingly. |
| crates/oxc_linter/src/snapshots/import_max_dependencies.snap | Update snapshot output to match the new “first exceeding dependency” span/label location. |
Merging this PR will not alter performance
Comparing Footnotes
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I added one more test case to ensure an all-inline-type-imports import doesn't get counted, LGTM :) |
Merge activity
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# Oxlint ### 🚀 Features - ebb80b3 ast: Add `node_id` field to all AST struct nodes (#18138) (Boshen) - 2879fc5 linter: Implement fixer for unicorn/prefer-math-trunc (#19275) (camc314) - a204eda linter: Implement fixer for unicorn/no-typeof-undefined (#19274) (camc314) - ab46d9c linter: Implement typescript/class-literal-property-style (#19252) (Vincent R) - 1a61f58 linter: Implement typescript/no-invalid-void-type (#19242) (Vincent R) ### 🐛 Bug Fixes - 45adda2 oxlint/lsp: Use blocking stdio in Oxlint (#19292) (overlookmotel) - 05bc855 linter/import: Count unique module sources in max-dependencies (#19270) (camc314) - 8566b44 linter: Check for preceeding token in math trunc fixer (#19277) (camc314) - f16f2b6 linter/import-no-cycle: Avoid traversal-order false negatives with type-only edges (#19267) (camc314) - d4937e7 linter: Recognize module-scoped callback refs as stable in exhaustive-deps (#19220) (Sreetam Das) - 140c9bd linter: Detect fallthrough from `default` when it is not the last case (#19261) (Boshen) - 740a009 linter: Accept digits after 'use' in hook names (#19254) (Sreetam Das) - 31b562f linter: Update `import/no-named-as-default` to allow named import if equivalent to the default import (#19100) (connorshea) - 79c82cc linter: Avoid applying object-level docs to nested object methods in require-param (#19231) (camc314) ### ⚡ Performance - 5670291 linter/class-literal-property-style: Avoid unneeded string allocations (#19262) (camc314) # Oxfmt ### 🚀 Features - ebb80b3 ast: Add `node_id` field to all AST struct nodes (#18138) (Boshen) ### 🐛 Bug Fixes - 1957908 formatter: Avoid unnecessary parentheses for string literal in labeled statement (#19272) (Dunqing) Co-authored-by: camc314 <[email protected]>
# Oxlint ### 🚀 Features - ebb80b3 ast: Add `node_id` field to all AST struct nodes (oxc-project#18138) (Boshen) - 2879fc5 linter: Implement fixer for unicorn/prefer-math-trunc (oxc-project#19275) (camc314) - a204eda linter: Implement fixer for unicorn/no-typeof-undefined (oxc-project#19274) (camc314) - ab46d9c linter: Implement typescript/class-literal-property-style (oxc-project#19252) (Vincent R) - 1a61f58 linter: Implement typescript/no-invalid-void-type (oxc-project#19242) (Vincent R) ### 🐛 Bug Fixes - 45adda2 oxlint/lsp: Use blocking stdio in Oxlint (oxc-project#19292) (overlookmotel) - 05bc855 linter/import: Count unique module sources in max-dependencies (oxc-project#19270) (camc314) - 8566b44 linter: Check for preceeding token in math trunc fixer (oxc-project#19277) (camc314) - f16f2b6 linter/import-no-cycle: Avoid traversal-order false negatives with type-only edges (oxc-project#19267) (camc314) - d4937e7 linter: Recognize module-scoped callback refs as stable in exhaustive-deps (oxc-project#19220) (Sreetam Das) - 140c9bd linter: Detect fallthrough from `default` when it is not the last case (oxc-project#19261) (Boshen) - 740a009 linter: Accept digits after 'use' in hook names (oxc-project#19254) (Sreetam Das) - 31b562f linter: Update `import/no-named-as-default` to allow named import if equivalent to the default import (oxc-project#19100) (connorshea) - 79c82cc linter: Avoid applying object-level docs to nested object methods in require-param (oxc-project#19231) (camc314) ### ⚡ Performance - 5670291 linter/class-literal-property-style: Avoid unneeded string allocations (oxc-project#19262) (camc314) # Oxfmt ### 🚀 Features - ebb80b3 ast: Add `node_id` field to all AST struct nodes (oxc-project#18138) (Boshen) ### 🐛 Bug Fixes - 1957908 formatter: Avoid unnecessary parentheses for string literal in labeled statement (oxc-project#19272) (Dunqing) Co-authored-by: camc314 <[email protected]>
fixes #19120