fix: use empty analysis options exclude to properly resolve units and speed up commands analysis (#998)

* fix: use empty analysis options exclude to properly resolve units and speed up commands analysis

* fix: correctly calculate included paths

Author: incendial

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## Unreleased
+
+* fix: use empty analysis options exclude to properly resolve units and speed up commands analysis.
+
 ## 4.18.1
 
 * fix: fix regression in is! checks for [`avoid-unnecessary-type-assertions`](https://dartcodemetrics.dev/docs/rules/common/avoid-unnecessary-type-assertions).

lib/src/analyzers/unnecessary_nullable_analyzer/unnecessary_nullable_analyzer.dart

@@ -4,7 +4,6 @@ import 'dart:io';
 
 import 'package:analyzer/dart/analysis/analysis_context.dart';
 import 'package:analyzer/dart/analysis/results.dart';
-import 'package:analyzer/dart/analysis/utilities.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/nullability_suffix.dart';
@@ -84,19 +83,9 @@ class UnnecessaryNullableAnalyzer {
           invocationsUsages.merge(invocationsUsage);
         }
 
-        declarationsUsages[filePath] = _analyzeDeclarationsUsage(unit);
-      }
-
-      final notAnalyzedFiles = filePaths.difference(analyzedFiles);
-      for (final filePath in notAnalyzedFiles) {
-        if (unnecessaryNullableAnalysisConfig.analyzerExcludedPatterns
+        if (!unnecessaryNullableAnalysisConfig.analyzerExcludedPatterns
             .any((pattern) => pattern.matches(filePath))) {
-          final unit = await resolveFile2(path: filePath);
-
-          final invocationsUsage = _analyzeInvocationsUsage(unit);
-          if (invocationsUsage != null) {
-            invocationsUsages.merge(invocationsUsage);
-          }
+          declarationsUsages[filePath] = _analyzeDeclarationsUsage(unit);
         }
       }
     }

lib/src/analyzers/unused_code_analyzer/unused_code_analyzer.dart

@@ -2,7 +2,6 @@ import 'dart:io';
 
 import 'package:analyzer/dart/analysis/analysis_context.dart';
 import 'package:analyzer/dart/analysis/results.dart';
-import 'package:analyzer/dart/analysis/utilities.dart';
 import 'package:analyzer/dart/element/element.dart';
 // ignore: implementation_imports
 import 'package:analyzer/src/dart/element/element.dart';
@@ -77,19 +76,9 @@ class UnusedCodeAnalyzer {
           codeUsages.merge(codeUsage);
         }
 
-        publicCode[filePath] = _analyzeFilePublicCode(unit);
-      }
-
-      final notAnalyzedFiles = filePaths.difference(analyzedFiles);
-      for (final filePath in notAnalyzedFiles) {
-        if (unusedCodeAnalysisConfig.analyzerExcludedPatterns
+        if (!unusedCodeAnalysisConfig.analyzerExcludedPatterns
             .any((pattern) => pattern.matches(filePath))) {
-          final unit = await resolveFile2(path: filePath);
-
-          final codeUsage = _analyzeFileCodeUsages(unit);
-          if (codeUsage != null) {
-            codeUsages.merge(codeUsage);
-          }
+          publicCode[filePath] = _analyzeFilePublicCode(unit);
         }
       }
     }

lib/src/analyzers/unused_files_analyzer/unused_files_analysis_config.dart

@@ -3,10 +3,6 @@ import 'package:glob/glob.dart';
 /// Represents converted unused files config which contains parsed entities.
 class UnusedFilesAnalysisConfig {
   final Iterable<Glob> globalExcludes;
-  final Iterable<Glob> analyzerExcludedPatterns;
 
-  const UnusedFilesAnalysisConfig(
-    this.globalExcludes,
-    this.analyzerExcludedPatterns,
-  );
+  const UnusedFilesAnalysisConfig(this.globalExcludes);
 }

lib/src/analyzers/unused_files_analyzer/unused_files_analyzer.dart

@@ -2,7 +2,6 @@ import 'dart:io';
 
 import 'package:analyzer/dart/analysis/analysis_context.dart';
 import 'package:analyzer/dart/analysis/results.dart';
-import 'package:analyzer/dart/analysis/utilities.dart';
 import 'package:path/path.dart';
 
 import '../../config_builder/config_builder.dart';
@@ -67,16 +66,6 @@ class UnusedFilesAnalyzer {
         final unit = await context.currentSession.getResolvedUnit(filePath);
         unusedFiles.removeAll(_analyzeFile(filePath, unit, config.isMonorepo));
       }
-
-      final notAnalyzedFiles = filePaths.difference(analyzedFiles);
-      for (final filePath in notAnalyzedFiles) {
-        if (unusedFilesAnalysisConfig.analyzerExcludedPatterns
-            .any((pattern) => pattern.matches(filePath))) {
-          final unit = await resolveFile2(path: filePath);
-          unusedFiles
-              .removeAll(_analyzeFile(filePath, unit, config.isMonorepo));
-        }
-      }
     }
 
     return unusedFiles.map((path) {

lib/src/analyzers/unused_l10n_analyzer/unused_l10n_analysis_config.dart

@@ -4,12 +4,10 @@ import 'package:glob/glob.dart';
 /// which contains parsed entities.
 class UnusedL10nAnalysisConfig {
   final Iterable<Glob> globalExcludes;
-  final Iterable<Glob> analyzerExcludedPatterns;
   final RegExp classPattern;
 
   UnusedL10nAnalysisConfig(
     this.globalExcludes,
-    this.analyzerExcludedPatterns,
     String? classPattern,
   ) : classPattern = RegExp(classPattern ?? r'I18n$');
 }

lib/src/analyzers/unused_l10n_analyzer/unused_l10n_analyzer.dart

@@ -4,7 +4,6 @@ import 'dart:io';
 
 import 'package:analyzer/dart/analysis/analysis_context.dart';
 import 'package:analyzer/dart/analysis/results.dart';
-import 'package:analyzer/dart/analysis/utilities.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 // ignore: implementation_imports
@@ -79,24 +78,6 @@ class UnusedL10nAnalyzer {
           );
         });
       }
-
-      final notAnalyzedFiles = filePaths.difference(analyzedFiles);
-
-      for (final filePath in notAnalyzedFiles) {
-        if (unusedLocalizationAnalysisConfig.analyzerExcludedPatterns
-            .any((pattern) => pattern.matches(filePath))) {
-          final unit = await resolveFile2(path: filePath);
-
-          _analyzeFile(unit, unusedLocalizationAnalysisConfig.classPattern)
-              .forEach((classElement, usages) {
-            localizationUsages.update(
-              classElement,
-              (value) => value..addAll(usages),
-              ifAbsent: () => usages,
-            );
-          });
-        }
-      }
     }
 
     return _checkUnusedL10n(localizationUsages, rootFolder);

lib/src/config_builder/config_builder.dart

@@ -90,7 +90,6 @@ class ConfigBuilder {
   ) =>
       UnusedFilesAnalysisConfig(
         prepareExcludes(config.excludePatterns, rootPath),
-        prepareExcludes(config.analyzerExcludePatterns, rootPath),
       );
 
   /// Creates a raw unused code config from given [excludePatterns].
@@ -136,7 +135,6 @@ class ConfigBuilder {
   ) =>
       UnusedL10nAnalysisConfig(
         prepareExcludes(config.excludePatterns, rootPath),
-        prepareExcludes(config.analyzerExcludePatterns, rootPath),
         config.classPattern,
       );
 

lib/src/utils/analyzer_utils.dart

@@ -3,6 +3,9 @@ import 'dart:io';
 
 import 'package:analyzer/dart/analysis/analysis_context.dart';
 import 'package:analyzer/dart/analysis/analysis_context_collection.dart';
+import 'package:analyzer/dart/analysis/context_locator.dart';
+import 'package:analyzer/file_system/file_system.dart' hide File;
+import 'package:analyzer/file_system/overlay_file_system.dart';
 import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer/src/dart/analysis/analysis_context_collection.dart';
 import 'package:analyzer/src/dart/analysis/byte_store.dart';
@@ -18,12 +21,13 @@ AnalysisContextCollection createAnalysisContextCollection(
   String rootFolder,
   String? sdkPath,
 ) {
-  final resourceProvider = PhysicalResourceProvider.INSTANCE;
+  final includedPaths =
+      folders.map((path) => normalize(join(rootFolder, path))).toList();
+  final resourceProvider = _prepareAnalysisOptions(includedPaths);
 
   return AnalysisContextCollectionImpl(
     sdkPath: sdkPath,
-    includedPaths:
-        folders.map((path) => normalize(join(rootFolder, path))).toList(),
+    includedPaths: includedPaths,
     resourceProvider: resourceProvider,
     byteStore: createByteStore(resourceProvider),
   );
@@ -48,7 +52,7 @@ Set<String> getFilePaths(
 
 /// If the state location can be accessed, return the file byte store,
 /// otherwise return the memory byte store.
-ByteStore createByteStore(PhysicalResourceProvider resourceProvider) {
+ByteStore createByteStore(ResourceProvider resourceProvider) {
   const miB = 1024 * 1024 /*1 MiB*/;
   const giB = 1024 * 1024 * 1024 /*1 GiB*/;
 
@@ -86,3 +90,25 @@ Set<String> _extractDartFilesFromFolders(
                 ))
             .map((entity) => normalize(entity.path)))
         .toSet();
+
+ResourceProvider _prepareAnalysisOptions(List<String> includedPaths) {
+  final resourceProvider =
+      OverlayResourceProvider(PhysicalResourceProvider.INSTANCE);
+
+  final contextLocator = ContextLocator(resourceProvider: resourceProvider);
+  final roots = contextLocator
+      .locateRoots(includedPaths: includedPaths, excludedPaths: []);
+
+  for (final root in roots) {
+    final path = root.optionsFile?.path;
+    if (path != null) {
+      resourceProvider.setOverlay(
+        path,
+        content: '',
+        modificationStamp: DateTime.now().millisecondsSinceEpoch,
+      );
+    }
+  }
+
+  return resourceProvider;
+}

test/src/analyzers/unused_code_analyzer/unused_code_analyzer_test.dart

@@ -35,7 +35,7 @@ void main() {
           );
         });
 
-        test('should report 3 files and not report excluded file', () {
+        test('should report 4 files and not report excluded file', () {
           expect(result, hasLength(4));
         });