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Finds unused (never-referenced) declarations in a Dart/Flutter package by driving the Dart analysis server over LSP and querying textDocument/references.

0.4.2 #

  • Support Dart 3.13 primary constructors: a dead constructor or declaring parameter in a class header is report-only, since --remove cannot delete part of a header.
  • Stop reporting a primary constructor's this : … body part as a Class.this finding, and a dead class's declaring parameters separately from the class.
  • Count only what --remove actually deletes in its summary.

0.4.1 #

  • Fix a constructor reached only through a dot shorthand (.new(…)), from a file that never names its class, being reported as unused.

0.4.0 #

  • Add config file support: any option can be set in a ciach.yaml in the package root, and the command line overrides it. --config <path> reads one from elsewhere, --no-config ignores it.
  • Add -v, --verbose to narrate a run on stderr: config used, every setting and the layer it came from, scan phases, what --remove touches. Supersedes --progress.
  • Fix a comment mentioning @override or vm:entry-point skipping the declaration below it. (#29)
  • Add a secondary textDocument/definition check for zero-reference declarations, so valid uses the reference search misses no longer produce false 'unused' reports. (#26)
  • Add --[no-]fail-public (default on): --no-fail-public still reports unused public declarations but excludes them from --set-exit-if-changed, so CI fails only on unused private ones. (#23)
  • Document the --unused-union-members, --report-tojson, --generated-suffix, and --help options in the README, which existed in the CLI but were missing from the options table. (#22)

0.3.0 #

  • Lower the minimum Dart SDK constraint from ^3.12.2 to ^3.10.0. (#20)
  • Never report a toJson() as unused; jsonEncode(obj) calls it by dynamic dispatch, with no source-level reference for the search to see. Opt back in with --report-tojson. (#17)
  • Add --generated-suffix (repeatable) to treat extra filename suffixes as generated, on top of the built-in set (*.g.dart, *.freezed.dart, …). (#13)
  • Open generated files during analysis so a declaration referenced only from generated code is no longer misreported as unused. (#13)
  • Fix --remove corrupting compact single-line enums (enum E { a, b, c }) when removing one or more values. (#11)
  • Fix --remove deleting the leading doc/annotation comment and header when removing a value from a compact single-line enum. (#11)
  • Report a whole dead class as unused, not just its constructor, so --remove deletes the class instead of stranding it. Detection is conservative: any reference from outside the class keeps it alive. (#10)
  • Remove a dead StatefulWidget together with its paired private State subclass, so State<DeletedWidget> never dangles. (#10)
  • Add remove-safety guards: --remove skips (but still reports) any removal that wouldn't compile — emptying a still-referenced enum, dropping a sole constructor with final fields, or dropping a super-forwarding constructor. (#10)
  • Add opt-in --unused-union-members to report sealed types that are only pattern-matched and never constructed. Report-only: --remove never deletes them. (#10)
  • Skip call methods by default; implicit-call references (obj(...)) aren't resolvable, so they were always misreported as unused. (#14)
  • Report an unused private constructor like any other dead declaration (and remove it with --remove); a sole zero-parameter ClassName._() also gets a hint suggesting abstract final class to keep a static-only class non-instantiable. (#14)
  • Fix enum values reached only through .values iteration being reported as unused. (#15)
  • Fix unused enum values being reported under the enum kind instead of enum-value. (#12)
  • Don't report deserialized freezed union variants as unused; the generated fromJson builds the concrete subclass directly, bypassing the redirecting factory. (#16)

0.2.0+2 #

  • Update the README. (#6)

0.2.0+1 #

  • Add pub.dev topics and issue_tracker metadata for discoverability. No code changes. (#5)

0.2.0 #

  • Add --remove to delete unused declarations from source after reporting them, with a confirmation prompt; --remove --force skips the prompt. (#4)
  • Skip operator overloads (operator +, operator ==, …) by default — the analysis server can't resolve infix operator syntax back to the declaration, so a used operator was always reported as unused. Pass --operators to include them anyway. (#4)
  • Report declarations referenced only from a dartdoc [Xxx] comment link as a separate, informational "doc-only" category (in text, json, and github output) instead of hiding them entirely. Doc-only findings are never deleted by --remove. (#4)
  • Clarify installation instructions: global activation vs. adding ciach as a dev dependency. (#4)

0.1.0 #

Initial implementation. (#1)

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Documentation

API reference

Publisher

verified publisherleancode.co

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Finds unused (never-referenced) declarations in a Dart/Flutter package by driving the Dart analysis server over LSP and querying textDocument/references.

Repository (GitHub)
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Topics

#static-analysis #dead-code #linter #cli #developer-tools

License

Apache-2.0 (license)

Dependencies

args, collection, config, glob, path, pro_lsp, stream_channel, yaml

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Packages that depend on ciach