fix: support yarn locks with quoted properties

pkg/lockfile/fixtures/yarn/with-quotes.v1.lock

@@ -0,0 +1,18 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+[email protected]:
+  "version" "0.0.1"
+  "resolved" "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  "integrity" sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
+
+concat-stream@^1.5.0:
+  "version" "1.6.2"
+  "resolved" "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz"
+  "integrity" sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==
+  "dependencies":
+    "buffer-from" "^1.0.0"
+    "inherits" "^2.0.3"
+    "readable-stream" "^2.2.2"
+    "typedarray" "^0.0.6"

pkg/lockfile/fixtures/yarn/with-quotes.v2.lock

@@ -0,0 +1,23 @@
+# This file is generated by running "yarn install" inside your project.
+# Manual changes might be lost - proceed with caution!
+
+__metadata:
+  version: 5
+  cacheKey: 8
+
+"compare-func@npm:^2.0.0":
+  "version": 2.0.0
+  "resolution": "compare-func@npm:2.0.0"
+  "dependencies":
+    "array-ify": ^1.0.0
+    "dot-prop": ^5.1.0
+  "checksum": fb71d70632baa1e93283cf9d80f30ac97f003aabee026e0b4426c9716678079ef5fea7519b84d012cbed938c476493866a38a79760564a9e21ae9433e40e6f0d
+  "languageName": node
+  "linkType": hard
+
+"concat-map@npm:0.0.1":
+  "version": 0.0.1
+  "resolution": "concat-map@npm:0.0.1"
+  "checksum": 902a9f5d8967a3e2faf138d5cb784b9979bad2e6db5357c5b21c568df4ebe62bcb15108af1b2253744844eb964fc023fbd9afbbbb6ddd0bcc204c6fb5b7bf3af
+  "languageName": node
+  "linkType": hard

pkg/lockfile/parse-yarn-lock-v1_test.go

@@ -70,6 +70,31 @@ func TestParseYarnLock_v1_TwoPackages(t *testing.T) {
 	})
 }
 
+func TestParseYarnLock_v1_WithQuotes(t *testing.T) {
+	t.Parallel()
+
+	packages, err := lockfile.ParseYarnLock("fixtures/yarn/with-quotes.v1.lock")
+
+	if err != nil {
+		t.Errorf("Got unexpected error: %v", err)
+	}
+
+	expectPackages(t, packages, []lockfile.PackageDetails{
+		{
+			Name:      "concat-stream",
+			Version:   "1.6.2",
+			Ecosystem: lockfile.YarnEcosystem,
+			CompareAs: lockfile.YarnEcosystem,
+		},
+		{
+			Name:      "concat-map",
+			Version:   "0.0.1",
+			Ecosystem: lockfile.YarnEcosystem,
+			CompareAs: lockfile.YarnEcosystem,
+		},
+	})
+}
+
 func TestParseYarnLock_v1_MultipleVersions(t *testing.T) {
 	t.Parallel()
 

pkg/lockfile/parse-yarn-lock-v2_test.go

@@ -70,6 +70,31 @@ func TestParseYarnLock_v2_TwoPackages(t *testing.T) {
 	})
 }
 
+func TestParseYarnLock_v2_WithQuotes(t *testing.T) {
+	t.Parallel()
+
+	packages, err := lockfile.ParseYarnLock("fixtures/yarn/with-quotes.v2.lock")
+
+	if err != nil {
+		t.Errorf("Got unexpected error: %v", err)
+	}
+
+	expectPackages(t, packages, []lockfile.PackageDetails{
+		{
+			Name:      "compare-func",
+			Version:   "2.0.0",
+			Ecosystem: lockfile.YarnEcosystem,
+			CompareAs: lockfile.YarnEcosystem,
+		},
+		{
+			Name:      "concat-map",
+			Version:   "0.0.1",
+			Ecosystem: lockfile.YarnEcosystem,
+			CompareAs: lockfile.YarnEcosystem,
+		},
+	})
+}
+
 func TestParseYarnLock_v2_MultipleVersions(t *testing.T) {
 	t.Parallel()
 

pkg/lockfile/parse-yarn-lock.go

@@ -63,7 +63,7 @@ func extractYarnPackageName(str string) string {
 }
 
 func determineYarnPackageVersion(group []string) string {
-	re := regexp.MustCompile(`^ {2}version:? "?([\w-.]+)"?$`)
+	re := regexp.MustCompile(`^ {2}"?version"?:? "?([\w-.]+)"?$`)
 
 	for _, s := range group {
 		matched := re.FindStringSubmatch(s)
@@ -78,7 +78,7 @@ func determineYarnPackageVersion(group []string) string {
 }
 
 func determineYarnPackageResolution(group []string) string {
-	re := regexp.MustCompile(`^ {2}(?:resolution:|resolved) "([^ '"]+)"$`)
+	re := regexp.MustCompile(`^ {2}"?(?:resolution:|resolved)"? "([^ '"]+)"$`)
 
 	for _, s := range group {
 		matched := re.FindStringSubmatch(s)