Fixes Yarn Dependabot::SharedHelpers::HelperSubprocessFailed issues

npm_and_yarn/lib/dependabot/npm_and_yarn.rb

@@ -90,6 +90,8 @@ module NpmAndYarn
     PACKAGE_NOT_FOUND_PACKAGE_NAME_CAPTURE_SPLIT_REGEX = /(?<=\w)\@/
 
     YARN_PACKAGE_NOT_FOUND_CODE = /npm package "(?<dep>.*)" does not exist under owner "(?<regis>.*)"/
+    YARN_PACKAGE_NOT_FOUND_CODE_1 = /Couldn't find package "[^@].*(?<dep>.*)" on the "(?<regis>.*)" registry./
+    YARN_PACKAGE_NOT_FOUND_CODE_2 = /Couldn't find package "[^@].*(?<dep>.*)" required by "(?<pkg>.*)" on the "(?<regis>.*)" registry./ # rubocop:disable Layout/LineLength
 
     YN0035 = T.let({
       PACKAGE_NOT_FOUND: %r{(?<package_req>@[\w-]+\/[\w-]+@\S+): Package not found},
@@ -529,9 +531,10 @@ def self.sanitize_resolvability_message(error_message, dependencies, yarn_lock)
         matchfn: nil
       },
       {
-        patterns: [YARN_PACKAGE_NOT_FOUND_CODE],
+        patterns: [YARN_PACKAGE_NOT_FOUND_CODE, YARN_PACKAGE_NOT_FOUND_CODE_1, YARN_PACKAGE_NOT_FOUND_CODE_2],
         handler: lambda { |message, _error, _params|
-          msg = message.match(YARN_PACKAGE_NOT_FOUND_CODE)
+          msg = message.match(YARN_PACKAGE_NOT_FOUND_CODE) || message.match(YARN_PACKAGE_NOT_FOUND_CODE_1) ||
+          message.match(YARN_PACKAGE_NOT_FOUND_CODE_2)
 
           Dependabot::DependencyFileNotResolvable.new(msg)
         },

npm_and_yarn/spec/dependabot/npm_and_yarn/yarn_error_handler_spec.rb

@@ -741,6 +741,31 @@
       end
     end
 
+    context "when the error message contains variation of Couldn't find package error" do
+      let(:error_message) do
+        "Couldn't find package \"source-map-explorer\" on the \"npm\" registry."
+      end
+
+      it "raises the corresponding error class with the correct message" do
+        expect { error_handler.handle_group_patterns(error, usage_error_message, { yarn_lock: yarn_lock }) }
+          .to raise_error(Dependabot::DependencyFileNotResolvable,
+                          "Couldn't find package \"source-map-explorer\" on the \"npm\" registry.")
+      end
+    end
+
+    context "when the error message contains variation of Couldn't find package error" do
+      let(:error_message) do
+        "Couldn't find package \"dl-core-js@^1.0.0\" required by \"[email protected]\" on the \"npm\" registry."
+      end
+
+      it "raises the corresponding error class with the correct message" do
+        expect { error_handler.handle_group_patterns(error, usage_error_message, { yarn_lock: yarn_lock }) }
+          .to raise_error(Dependabot::DependencyFileNotResolvable,
+                          "Couldn't find package \"dl-core-js@^1.0.0\" required" \
+                          " by \"[email protected]\" on the \"npm\" registry.")
+      end
+    end
+
     context "when the error message contains YARNRC_ENV_NOT_FOUND" do
       let(:error_message) do
         "Usage Error: Environment variable not found (GITHUB_TOKEN) in /home/dependabot/dependabot-" \