Add empty? and any?

Author: martinemde

lib/query_packwerk/packages.rb

@@ -56,6 +56,16 @@ def initialize(original_collection)
       @original_collection = original_collection
     end
 
+    sig { returns(T::Boolean) }
+    def empty?
+      @original_collection.empty?
+    end
+
+    sig { params(arg0: T.proc.params(arg0: QueryPackwerk::Package).returns(T::Boolean)).returns(T::Boolean) }
+    def any?(&block)
+      @original_collection.any?(&block)
+    end
+
     # You can query for packages rather than violations to get a broader view, and
     # the violations returned from this will be related to all packs in this class rather than just
     # one.

lib/query_packwerk/violations.rb

@@ -121,6 +121,16 @@ def file_count
       @original_collection.sum(&:file_count)
     end
 
+    sig { returns(T::Boolean) }
+    def empty?
+      @original_collection.empty?
+    end
+
+    sig { returns(T::Boolean) }
+    def any?
+      !empty?
+    end
+
     # Gets all sources and their receiving chains grouped by the constant they've violated.
     sig { returns(T.untyped) }
     def raw_sources

spec/query_packwerk/violations_spec.rb

@@ -18,6 +18,19 @@
     end
   end
 
+  describe '#empty? and #any?' do
+    it 'returns true for empty? when there are no violations' do
+      empty_violations = described_class.new([])
+      expect(empty_violations.empty?).to be true
+      expect(empty_violations.any?).to be false
+    end
+
+    it 'returns false for empty? when there are violations' do
+      expect(described_class.all.empty?).to be false
+      expect(described_class.all.any?).to be true
+    end
+  end
+
   describe '#anonymous_sources_with_locations' do
     it 'can get anonymized sources with their file locations' do
       # { constant => { violating code shape => [where it happened] } }