Improve JS/TS comment filtering

embedding/commentfilter/c_style_filter_test.go

@@ -0,0 +1,83 @@
+// Copyright 2026, TeamDev. All rights reserved.
+//
+// Redistribution and use in source and/or binary forms, with or without
+// modification, must retain the above copyright notice and the following
+// disclaimer.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package commentfilter_test
+
+import (
+	. "embed-code/embed-code-go/embedding/commentfilter"
+
+	. "github.com/onsi/ginkgo/v2"
+)
+
+var _ = Describe("C and C++", func() {
+	It("should strip all comments without treating literals as comments", func() {
+		lines := []string{
+			"// header comment",
+			"#include <stdio.h>",
+			"",
+			"/* block comment */",
+			"const char slash = '/';",
+			"const char* url = \"http://example.org\";",
+			"int create() { return 1; } // inline comment",
+		}
+
+		expected := []string{
+			"#include <stdio.h>",
+			"",
+			"const char slash = '/';",
+			"const char* url = \"http://example.org\";",
+			"int create() { return 1; } ",
+		}
+
+		assertFiltered("sample.cpp", RetainNone, lines, expected)
+	})
+
+	It("should keep inline comments", func() {
+		lines := []string{
+			"// header comment",
+			"int create();",
+			"/* block comment */",
+			"int count(); // inline comment",
+		}
+
+		expected := []string{
+			"// header comment",
+			"int create();",
+			"int count(); // inline comment",
+		}
+
+		assertFiltered("sample.cpp", RetainInline, lines, expected)
+	})
+
+	It("should keep block comments", func() {
+		lines := []string{
+			"// header comment",
+			"int create();",
+			"/* block comment */",
+			"int count(); // inline comment",
+		}
+
+		expected := []string{
+			"int create();",
+			"/* block comment */",
+			"int count(); ",
+		}
+
+		assertFiltered("sample.hpp", RetainBlock, lines, expected)
+	})
+})

embedding/commentfilter/config.go

@@ -48,10 +48,10 @@ var filtersByExtension = map[string]filterEntry{
 	".hxx": filterConfig(MarkerCommentFilter{Syntax: cStyleSyntax}, regularModes),
 
 	// JavaScript
-	".js":  filterConfig(MarkerCommentFilter{Syntax: jsSyntax}, allModes),
-	".jsx": filterConfig(MarkerCommentFilter{Syntax: jsSyntax}, allModes),
-	".ts":  filterConfig(MarkerCommentFilter{Syntax: jsSyntax}, allModes),
-	".tsx": filterConfig(MarkerCommentFilter{Syntax: jsSyntax}, allModes),
+	".js":  filterConfig(JavaScriptCommentFilter{}, allModes),
+	".jsx": filterConfig(JavaScriptCommentFilter{}, allModes),
+	".ts":  filterConfig(JavaScriptCommentFilter{}, allModes),
+	".tsx": filterConfig(JavaScriptCommentFilter{}, allModes),
 
 	// Go
 	".go": filterConfig(MarkerCommentFilter{Syntax: goSyntax}, regularModes),
@@ -103,17 +103,6 @@ var javaSyntax = CommentMarker{
 	QuoteChars: "\"'",
 }
 
-var jsSyntax = CommentMarker{
-	Inline: []string{"//"},
-	Block: []BlockMarker{
-		{Start: cStyleBlockCommentStart, End: cStyleBlockCommentEnd},
-	},
-	Documentation: DocumentationMarker{
-		Block: []BlockMarker{{Start: cStyleDocCommentStart, End: cStyleBlockCommentEnd}},
-	},
-	QuoteChars: jsQuoteChars,
-}
-
 var csharpSyntax = CommentMarker{
 	Inline: []string{"//"},
 	Block: []BlockMarker{

embedding/commentfilter/csharp_filter_test.go

@@ -0,0 +1,57 @@
+// Copyright 2026, TeamDev. All rights reserved.
+//
+// Redistribution and use in source and/or binary forms, with or without
+// modification, must retain the above copyright notice and the following
+// disclaimer.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package commentfilter_test
+
+import (
+	. "embed-code/embed-code-go/embedding/commentfilter"
+
+	. "github.com/onsi/ginkgo/v2"
+)
+
+var _ = Describe("C#", func() {
+	It("should keep XML documentation comments", func() {
+		lines := []string{
+			"/// <summary>Creates a value.</summary>",
+			"// implementation note",
+			"public string Create() => \"// literal\";",
+		}
+
+		expected := []string{
+			"/// <summary>Creates a value.</summary>",
+			"public string Create() => \"// literal\";",
+		}
+
+		assertFiltered("Api.cs", RetainDocumentation, lines, expected)
+	})
+
+	It("should keep inline comments", func() {
+		lines := []string{
+			"/// <summary>Creates a value.</summary>",
+			"// implementation note",
+			"public string Create() => \"// literal\";",
+		}
+
+		expected := []string{
+			"// implementation note",
+			"public string Create() => \"// literal\";",
+		}
+
+		assertFiltered("Api.cs", RetainInline, lines, expected)
+	})
+})