From c95414153d2e9e4e796e7782a461e7de11965314 Mon Sep 17 00:00:00 2001
From: Molerat <kiki.1@gmx.net>
Date: Mon, 20 Apr 2026 10:10:31 +0200
Subject: [PATCH 1/2] Add TSX support to UnifiedParser (#4466)

* chore(deps): update dependency TreesitterExcavationSite to v0.4.1

v0.3.0 of the library changed LOC counting (trailing newlines no longer counted), causing off-by-1 diffs in golden files

* feat(analysis): add TSX language support to UnifiedParser

* fix(analysis): replace fixed sleep with polling in ProjectInputReader

The fixed 100ms sleep was insufficient on CI after the TreeSitter v0.4.1
dependency bump (1.5 MB JAR), which slightly increased JVM startup time.
The upstream svnlogparser process no longer wrote its sync flag within
100ms, so modify read an empty stdin and skipped writing the output file.

Replace with a polling loop (50ms interval, 500ms max) that exits as soon
as data is available, making the pipe chain robust to JVM startup variance.

* fix(analysis): resolve SonarCloud quality gate failures for TSX support

* fix(analysis): complete mean_complexity_per_function descriptor in tsx fixture

* fix(analysis): add missing link and analyzers to mean_complexity_per_function descriptor

---------

Co-authored-by: Ulrike Kiesel <ulrike.kiesel@maibornwolff.de>
---
 ...otlin-compiler-12322078610956747093.salive |   0
 .../analysers/parsers/UnifiedParser/README.md |   2 +
 .../parsers/UnifiedParser/build.gradle.kts    |   2 +-
 .../parsers/unified/AttributeDescriptors.kt   |   5 +-
 .../metriccollectors/AvailableCollectors.kt   |   9 +-
 .../metriccollectors/TreeSitterAdapter.kt     |   1 +
 .../parsers/unified/UnifiedParserTest.kt      |   1 +
 .../metriccollectors/TreeSitterAdapterTest.kt |   2 +
 .../metriccollectors/TsxCollectorTest.kt      | 185 +++++++++++
 .../src/test/resources/empty.cc.json          |  10 +-
 .../src/test/resources/excludePattern.cc.json |  12 +-
 .../src/test/resources/includeAll.cc.json     |  14 +-
 .../src/test/resources/kotlinOnly.cc.json     |  10 +-
 .../languageSamples/bashSample.cc.json        |  10 +-
 .../languageSamples/cHeaderSample.cc.json     |  10 +-
 .../resources/languageSamples/cSample.cc.json |  10 +-
 .../languageSamples/cSharpSample.cc.json      |  10 +-
 .../languageSamples/cppHeaderSample.cc.json   |  10 +-
 .../languageSamples/cppSample.cc.json         |  10 +-
 .../languageSamples/goSample.cc.json          |  10 +-
 .../languageSamples/javaSample.cc.json        |  10 +-
 .../languageSamples/javascriptSample.cc.json  |  10 +-
 .../languageSamples/kotlinSample.cc.json      |  10 +-
 .../languageSamples/objectiveCSample.cc.json  |  10 +-
 .../languageSamples/phpSample.cc.json         |  10 +-
 .../languageSamples/pythonSample.cc.json      |  10 +-
 .../languageSamples/rubySample.cc.json        |  10 +-
 .../languageSamples/swiftSample.cc.json       |  10 +-
 .../languageSamples/tsxSample.cc.json         | 307 ++++++++++++++++++
 .../resources/languageSamples/tsxSample.tsx   | 109 +++++++
 .../languageSamples/typescriptSample.cc.json  |  10 +-
 .../languageSamples/vueSample.cc.json         |  12 +-
 .../src/test/resources/mergeResult.cc.json    |  12 +-
 .../src/test/resources/sampleProject.cc.json  |  14 +-
 .../codecharta/serialization/FileExtension.kt |   9 +-
 .../serialization/ProjectInputReader.kt       |  17 +-
 gh-pages/_docs/05-parser/05-unified.md        |  24 +-
 plans/add-tsx-support.md                      |  65 ++++
 38 files changed, 873 insertions(+), 109 deletions(-)
 create mode 100644 analysis/.kotlin/sessions/kotlin-compiler-12322078610956747093.salive
 create mode 100644 analysis/analysers/parsers/UnifiedParser/src/test/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/TsxCollectorTest.kt
 create mode 100644 analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/tsxSample.cc.json
 create mode 100644 analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/tsxSample.tsx
 create mode 100644 plans/add-tsx-support.md

diff --git a/analysis/.kotlin/sessions/kotlin-compiler-12322078610956747093.salive b/analysis/.kotlin/sessions/kotlin-compiler-12322078610956747093.salive
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/analysis/analysers/parsers/UnifiedParser/README.md b/analysis/analysers/parsers/UnifiedParser/README.md
index cd33a39813..2571dd1204 100644
--- a/analysis/analysers/parsers/UnifiedParser/README.md
+++ b/analysis/analysers/parsers/UnifiedParser/README.md
@@ -10,6 +10,7 @@ The Unified Parser is parser to generate code metrics from a source code file or
 |--------------|----------------------------------------|
 | Javascript   | .js, .cjs, .mjs                        |
 | Typescript   | .ts, .cts, .mts                        |
+| TSX          | .tsx                                   |
 | Java         | .java                                  |
 | Kotlin       | .kt                                    |
 | C#           | .cs                                    |
@@ -22,6 +23,7 @@ The Unified Parser is parser to generate code metrics from a source code file or
 | Ruby         | .rb                                    |
 | Swift        | .swift                                 |
 | Bash         | .sh                                    |
+| Vue          | .vue                                   |
 
 ## Supported Metrics
 
diff --git a/analysis/analysers/parsers/UnifiedParser/build.gradle.kts b/analysis/analysers/parsers/UnifiedParser/build.gradle.kts
index e0511d0295..cfe57de0db 100644
--- a/analysis/analysers/parsers/UnifiedParser/build.gradle.kts
+++ b/analysis/analysers/parsers/UnifiedParser/build.gradle.kts
@@ -9,7 +9,7 @@ dependencies {
     implementation(libs.kotter.test)
 
     // TreesitterLibrary provides all TreeSitter dependencies and metric calculation
-    implementation("com.github.MaibornWolff:TreeSitterExcavationSite:v0.2.0")
+    implementation("com.github.MaibornWolff:TreeSitterExcavationSite:v0.4.1")
 
     testImplementation(libs.jsonassert)
 }
diff --git a/analysis/analysers/parsers/UnifiedParser/src/main/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/AttributeDescriptors.kt b/analysis/analysers/parsers/UnifiedParser/src/main/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/AttributeDescriptors.kt
index c094f8583f..dcef105db5 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/main/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/AttributeDescriptors.kt
+++ b/analysis/analysers/parsers/UnifiedParser/src/main/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/AttributeDescriptors.kt
@@ -94,7 +94,10 @@ internal fun getAttributeDescriptors(): Map<String, AttributeDescriptor> {
         ),
         "mean_complexity_per_function" to AttributeDescriptor(
             title = "Mean complexity per function",
-            description = "The mean complexity found in the body of a function of this file."
+            description = "The mean complexity found in the body of a function of this file.",
+            link = ghLink,
+            direction = -1,
+            analyzers = analyzerName
         ),
         "median_complexity_per_function" to AttributeDescriptor(
             title = "Median complexity per function",
diff --git a/analysis/analysers/parsers/UnifiedParser/src/main/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/AvailableCollectors.kt b/analysis/analysers/parsers/UnifiedParser/src/main/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/AvailableCollectors.kt
index d039363e80..e6bb56396a 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/main/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/AvailableCollectors.kt
+++ b/analysis/analysers/parsers/UnifiedParser/src/main/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/AvailableCollectors.kt
@@ -3,8 +3,15 @@ package de.maibornwolff.codecharta.analysers.parsers.unified.metriccollectors
 import de.maibornwolff.codecharta.serialization.FileExtension
 import de.maibornwolff.treesitter.excavationsite.api.Language
 
-enum class AvailableCollectors(val fileExtension: FileExtension, val collectorFactory: () -> TreeSitterLibraryCollector) {
+/** Maps each supported [FileExtension] to a factory for the corresponding [TreeSitterLibraryCollector]. */
+enum class AvailableCollectors(
+    /** The file extension this collector handles. */
+    val fileExtension: FileExtension,
+    /** Factory function that creates the collector for this language. */
+    val collectorFactory: () -> TreeSitterLibraryCollector
+) {
     TYPESCRIPT(FileExtension.TYPESCRIPT, { TreeSitterLibraryCollector(Language.TYPESCRIPT) }),
+    TSX(FileExtension.TSX, { TreeSitterLibraryCollector(Language.TSX) }),
     JAVASCRIPT(FileExtension.JAVASCRIPT, { TreeSitterLibraryCollector(Language.JAVASCRIPT) }),
     KOTLIN(FileExtension.KOTLIN, { TreeSitterLibraryCollector(Language.KOTLIN) }),
     OBJECTIVE_C(FileExtension.OBJECTIVE_C, { TreeSitterLibraryCollector(Language.OBJECTIVE_C) }),
diff --git a/analysis/analysers/parsers/UnifiedParser/src/main/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/TreeSitterAdapter.kt b/analysis/analysers/parsers/UnifiedParser/src/main/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/TreeSitterAdapter.kt
index 5b408e29c7..1dd9def2ea 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/main/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/TreeSitterAdapter.kt
+++ b/analysis/analysers/parsers/UnifiedParser/src/main/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/TreeSitterAdapter.kt
@@ -51,6 +51,7 @@ object TreeSitterAdapter {
         FileExtension.JAVA -> Language.JAVA
         FileExtension.KOTLIN -> Language.KOTLIN
         FileExtension.TYPESCRIPT -> Language.TYPESCRIPT
+        FileExtension.TSX -> Language.TSX
         FileExtension.JAVASCRIPT -> Language.JAVASCRIPT
         FileExtension.PYTHON -> Language.PYTHON
         FileExtension.GO -> Language.GO
diff --git a/analysis/analysers/parsers/UnifiedParser/src/test/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/UnifiedParserTest.kt b/analysis/analysers/parsers/UnifiedParser/src/test/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/UnifiedParserTest.kt
index 0d8a3807ad..1f580cd2e4 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/test/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/UnifiedParserTest.kt
+++ b/analysis/analysers/parsers/UnifiedParser/src/test/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/UnifiedParserTest.kt
@@ -43,6 +43,7 @@ class UnifiedParserTest {
             Arguments.of("ruby", ".rb"),
             Arguments.of("swift", ".swift"),
             Arguments.of("typescript", ".ts"),
+            Arguments.of("tsx", ".tsx"),
             Arguments.of("vue", ".vue")
         )
     }
diff --git a/analysis/analysers/parsers/UnifiedParser/src/test/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/TreeSitterAdapterTest.kt b/analysis/analysers/parsers/UnifiedParser/src/test/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/TreeSitterAdapterTest.kt
index 03deeb949f..95d64f1e93 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/test/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/TreeSitterAdapterTest.kt
+++ b/analysis/analysers/parsers/UnifiedParser/src/test/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/TreeSitterAdapterTest.kt
@@ -64,6 +64,7 @@ class TreeSitterAdapterTest {
             FileExtension.JAVA to Language.JAVA,
             FileExtension.KOTLIN to Language.KOTLIN,
             FileExtension.TYPESCRIPT to Language.TYPESCRIPT,
+            FileExtension.TSX to Language.TSX,
             FileExtension.JAVASCRIPT to Language.JAVASCRIPT,
             FileExtension.PYTHON to Language.PYTHON,
             FileExtension.GO to Language.GO,
@@ -143,6 +144,7 @@ class TreeSitterAdapterTest {
             FileExtension.JAVA,
             FileExtension.KOTLIN,
             FileExtension.TYPESCRIPT,
+            FileExtension.TSX,
             FileExtension.JAVASCRIPT,
             FileExtension.PYTHON,
             FileExtension.GO,
diff --git a/analysis/analysers/parsers/UnifiedParser/src/test/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/TsxCollectorTest.kt b/analysis/analysers/parsers/UnifiedParser/src/test/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/TsxCollectorTest.kt
new file mode 100644
index 0000000000..ee9e458260
--- /dev/null
+++ b/analysis/analysers/parsers/UnifiedParser/src/test/kotlin/de/maibornwolff/codecharta/analysers/parsers/unified/metriccollectors/TsxCollectorTest.kt
@@ -0,0 +1,185 @@
+package de.maibornwolff.codecharta.analysers.parsers.unified.metriccollectors
+
+import de.maibornwolff.treesitter.excavationsite.api.AvailableFileMetrics
+import de.maibornwolff.treesitter.excavationsite.api.Language
+import org.assertj.core.api.Assertions.assertThat
+import org.junit.jupiter.api.Test
+import java.io.File
+
+class TsxCollectorTest {
+    private val collector = TreeSitterLibraryCollector(Language.TSX)
+
+    private fun createTestFile(content: String): File {
+        val tempFile = File.createTempFile("testFile", ".tsx")
+        tempFile.writeText(content)
+        tempFile.deleteOnExit()
+        return tempFile
+    }
+
+    @Test
+    fun `should parse a minimal tsx component and return non-zero loc`() {
+        // Arrange
+        val fileContent = """
+            function Hello() {
+                return <div>Hello World</div>;
+            }
+        """.trimIndent()
+        val input = createTestFile(fileContent)
+
+        // Act
+        val result = collector.collectMetricsForFile(input)
+
+        // Assert
+        assertThat(result.attributes[AvailableFileMetrics.LINES_OF_CODE.metricName] as Double).isGreaterThan(0.0)
+        assertThat(result.attributes[AvailableFileMetrics.NUMBER_OF_FUNCTIONS.metricName] as Double).isEqualTo(1.0)
+    }
+
+    @Test
+    fun `should count ternary operator inside JSX expression for complexity`() {
+        // Arrange
+        val fileContent = """const element = (<h1>{x < 10 ? "Banana" : "Apple"}</h1>);"""
+        val input = createTestFile(fileContent)
+
+        // Act
+        val result = collector.collectMetricsForFile(input)
+
+        // Assert
+        assertThat(result.attributes[AvailableFileMetrics.COMPLEXITY.metricName]).isEqualTo(1.0)
+    }
+
+    @Test
+    fun `should count logical AND short-circuit in JSX expression for complexity`() {
+        // Arrange
+        val fileContent = """const element = (<div>{isLoggedIn && <Dashboard />}</div>);"""
+        val input = createTestFile(fileContent)
+
+        // Act
+        val result = collector.collectMetricsForFile(input)
+
+        // Assert
+        assertThat(result.attributes[AvailableFileMetrics.COMPLEXITY.metricName]).isEqualTo(1.0)
+    }
+
+    @Test
+    fun `should not count inline arrow function in JSX prop as a function`() {
+        // Arrange
+        val fileContent = """
+            function App() {
+                return (<Button onClick={() => doStuff()} />);
+            }
+        """.trimIndent()
+        val input = createTestFile(fileContent)
+
+        // Act
+        val result = collector.collectMetricsForFile(input)
+
+        // Assert
+        assertThat(result.attributes[AvailableFileMetrics.NUMBER_OF_FUNCTIONS.metricName]).isEqualTo(1.0)
+    }
+
+    @Test
+    fun `should count arrow function component assigned to const as a function`() {
+        // Arrange
+        val fileContent = """
+            const Fruit = () => (
+                <div>Hello</div>
+            );
+        """.trimIndent()
+        val input = createTestFile(fileContent)
+
+        // Act
+        val result = collector.collectMetricsForFile(input)
+
+        // Assert
+        assertThat(result.attributes[AvailableFileMetrics.NUMBER_OF_FUNCTIONS.metricName]).isEqualTo(1.0)
+    }
+
+    @Test
+    fun `should count logical OR short-circuit in JSX expression for complexity`() {
+        // Arrange
+        val fileContent = """const element = (<div>{error || <Content />}</div>);"""
+        val input = createTestFile(fileContent)
+
+        // Act
+        val result = collector.collectMetricsForFile(input)
+
+        // Assert
+        assertThat(result.attributes[AvailableFileMetrics.COMPLEXITY.metricName]).isEqualTo(1.0)
+    }
+
+    @Test
+    fun `should accumulate complexity across multiple JSX conditional expressions`() {
+        // Arrange
+        val fileContent = """
+            function Card({ isAdmin, isActive, role }) {
+                return (
+                    <div>
+                        {isAdmin && <AdminBadge />}
+                        {isActive ? <ActiveIcon /> : <InactiveIcon />}
+                        {role === "guest" || <Content />}
+                    </div>
+                );
+            }
+        """.trimIndent()
+        val input = createTestFile(fileContent)
+
+        // Act
+        val result = collector.collectMetricsForFile(input)
+
+        // Assert
+        // 1 (function) + 1 (&&) + 1 (ternary) + 1 (||) = 4
+        assertThat(result.attributes[AvailableFileMetrics.COMPLEXITY.metricName]).isEqualTo(4.0)
+    }
+
+    @Test
+    fun `should not count map callback returning JSX as a function`() {
+        // Arrange
+        val fileContent = """
+            function List({ items }) {
+                return (<ul>{items.map((item) => <li key={item.id}>{item.name}</li>)}</ul>);
+            }
+        """.trimIndent()
+        val input = createTestFile(fileContent)
+
+        // Act
+        val result = collector.collectMetricsForFile(input)
+
+        // Assert
+        assertThat(result.attributes[AvailableFileMetrics.NUMBER_OF_FUNCTIONS.metricName]).isEqualTo(1.0)
+    }
+
+    @Test
+    fun `should count nullish coalescing operator in JSX expression for complexity`() {
+        // Arrange
+        val fileContent = """const element = (<div>{value ?? <Fallback />}</div>);"""
+        val input = createTestFile(fileContent)
+
+        // Act
+        val result = collector.collectMetricsForFile(input)
+
+        // Assert
+        assertThat(result.attributes[AvailableFileMetrics.COMPLEXITY.metricName]).isEqualTo(1.0)
+    }
+
+    @Test
+    fun `should count JSX block comment in comment lines`() {
+        // Arrange
+        val fileContent = """
+            function App() {
+                return (
+                    <div>
+                        {/* this is a JSX comment */}
+                        <p>Hello</p>
+                    </div>
+                );
+            }
+        """.trimIndent()
+        val input = createTestFile(fileContent)
+
+        // Act
+        val result = collector.collectMetricsForFile(input)
+
+        // Assert
+        assertThat(result.attributes[AvailableFileMetrics.COMMENT_LINES.metricName]).isEqualTo(1.0)
+    }
+}
diff --git a/analysis/analysers/parsers/UnifiedParser/src/test/resources/empty.cc.json b/analysis/analysers/parsers/UnifiedParser/src/test/resources/empty.cc.json
index 2711c6018d..3ee0351e94 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/test/resources/empty.cc.json
+++ b/analysis/analysers/parsers/UnifiedParser/src/test/resources/empty.cc.json
@@ -1,5 +1,4 @@
 {
-  "checksum": "f983aebcae5f795440bf7a8ec6cadba1",
   "data": {
     "projectName": "",
     "nodes": [
@@ -152,9 +151,11 @@
         "description": "The mean complexity found in the body of a function of this file.",
         "hintLowValue": "",
         "hintHighValue": "",
-        "link": "",
+        "link": "https://codecharta.com/docs/parser/unified",
         "direction": -1,
-        "analyzers": []
+        "analyzers": [
+          "unifiedParser"
+        ]
       },
       "median_complexity_per_function": {
         "title": "Median complexity per function",
@@ -268,5 +269,6 @@
       }
     },
     "blacklist": []
-  }
+  },
+  "checksum": "cbe157f368d090f1a5105f10338e9ff7"
 }
diff --git a/analysis/analysers/parsers/UnifiedParser/src/test/resources/excludePattern.cc.json b/analysis/analysers/parsers/UnifiedParser/src/test/resources/excludePattern.cc.json
index 610f6aac67..78f7ea9ac9 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/test/resources/excludePattern.cc.json
+++ b/analysis/analysers/parsers/UnifiedParser/src/test/resources/excludePattern.cc.json
@@ -1,5 +1,4 @@
 {
-  "checksum": "5b7a2f53493f8755370905f1a7c2d7a0",
   "data": {
     "projectName": "",
     "nodes": [
@@ -19,7 +18,7 @@
               "number_of_functions": 1.0,
               "message_chains": 0.0,
               "rloc": 5.0,
-              "loc": 8.0,
+              "loc": 9.0,
               "long_method": 0.0,
               "long_parameter_list": 0.0,
               "excessive_comments": 0.0,
@@ -217,9 +216,11 @@
         "description": "The mean complexity found in the body of a function of this file.",
         "hintLowValue": "",
         "hintHighValue": "",
-        "link": "",
+        "link": "https://codecharta.com/docs/parser/unified",
         "direction": -1,
-        "analyzers": []
+        "analyzers": [
+          "unifiedParser"
+        ]
       },
       "median_complexity_per_function": {
         "title": "Median complexity per function",
@@ -333,5 +334,6 @@
       }
     },
     "blacklist": []
-  }
+  },
+  "checksum": "8da2bef9265b511b8dedb9957779fd7d"
 }
diff --git a/analysis/analysers/parsers/UnifiedParser/src/test/resources/includeAll.cc.json b/analysis/analysers/parsers/UnifiedParser/src/test/resources/includeAll.cc.json
index 73bc0c08b0..e0e869d8ca 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/test/resources/includeAll.cc.json
+++ b/analysis/analysers/parsers/UnifiedParser/src/test/resources/includeAll.cc.json
@@ -1,5 +1,4 @@
 {
-  "checksum": "52c78daa83acfe0bedc2cc526b4ffa12",
   "data": {
     "projectName": "",
     "nodes": [
@@ -163,7 +162,7 @@
               "number_of_functions": 0.0,
               "message_chains": 0.0,
               "rloc": 9.0,
-              "loc": 14.0,
+              "loc": 15.0,
               "long_method": 0.0,
               "long_parameter_list": 0.0,
               "excessive_comments": 0.0,
@@ -195,7 +194,7 @@
               "number_of_functions": 1.0,
               "message_chains": 0.0,
               "rloc": 5.0,
-              "loc": 8.0,
+              "loc": 9.0,
               "long_method": 0.0,
               "long_parameter_list": 0.0,
               "excessive_comments": 0.0,
@@ -393,9 +392,11 @@
         "description": "The mean complexity found in the body of a function of this file.",
         "hintLowValue": "",
         "hintHighValue": "",
-        "link": "",
+        "link": "https://codecharta.com/docs/parser/unified",
         "direction": -1,
-        "analyzers": []
+        "analyzers": [
+          "unifiedParser"
+        ]
       },
       "median_complexity_per_function": {
         "title": "Median complexity per function",
@@ -509,5 +510,6 @@
       }
     },
     "blacklist": []
-  }
+  },
+  "checksum": "0b7ea0e9f7fd367f2b7d50f323962432"
 }
diff --git a/analysis/analysers/parsers/UnifiedParser/src/test/resources/kotlinOnly.cc.json b/analysis/analysers/parsers/UnifiedParser/src/test/resources/kotlinOnly.cc.json
index 6531b30327..7b6e93855b 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/test/resources/kotlinOnly.cc.json
+++ b/analysis/analysers/parsers/UnifiedParser/src/test/resources/kotlinOnly.cc.json
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+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "rloc": {
+        "title": "Real Lines of Code",
+        "description": "Number of lines that contain at least one character which is neither a whitespace nor a tabulation nor part of a comment",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "number_of_functions": {
+        "title": "Number of functions",
+        "description": "The number of functions or methods present in the file. Does not include anonymous or lambda functions.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "max_parameters_per_function": {
+        "title": "Maximum parameters per function",
+        "description": "The maximum number of parameters a function or method has for this file.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "min_parameters_per_function": {
+        "title": "Minimum parameters per function",
+        "description": "The minimum number of parameters a function or method has for this file.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "median_parameters_per_function": {
+        "title": "Median parameters per function",
+        "description": "The median number of parameters a function or method has for this file.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "mean_parameters_per_function": {
+        "title": "Mean parameters per function",
+        "description": "The mean number of parameters a function or method has for this file.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "max_complexity_per_function": {
+        "title": "Maximum complexity per function",
+        "description": "The maximum complexity in the body of a function of this file.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "min_complexity_per_function": {
+        "title": "Minimum complexity per function",
+        "description": "The minimum number of complexity in the body of a function of this file.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "mean_complexity_per_function": {
+        "title": "Mean complexity per function",
+        "description": "The mean complexity found in the body of a function of this file.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "median_complexity_per_function": {
+        "title": "Median complexity per function",
+        "description": "The median complexity found in the body of a function of this file.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "max_rloc_per_function": {
+        "title": "Maximum real lines of code in a function",
+        "description": "The maximum number of real lines of code in a function of this file.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "min_rloc_per_function": {
+        "title": "Minimum real lines of code in a function",
+        "description": "The minimum number of real lines of code in a function of this file.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "mean_rloc_per_function": {
+        "title": "Mean real lines of code in a function",
+        "description": "The mean number of real lines of code in a function of this file.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "median_rloc_per_function": {
+        "title": "Median real lines of code in a function",
+        "description": "The median number of real lines of code in a function of this file.",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "long_method": {
+        "title": "Long Method",
+        "description": "Code smell showing the number of functions with more than 10 real lines of code (rloc)",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "long_parameter_list": {
+        "title": "Long Parameter List",
+        "description": "Code smell showing the number of functions with more than 4 parameters",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "excessive_comments": {
+        "title": "Excessive Comments",
+        "description": "Code smell showing whether a file has more than 10 comment lines",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "comment_ratio": {
+        "title": "Comment Ratio",
+        "description": "The ratio of comment lines to real lines of code (rloc)",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": 0,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      },
+      "message_chains": {
+        "title": "Message Chains",
+        "description": "Code smell showing occurrences of method call chains with 4 or more consecutive calls suggesting tight coupling",
+        "hintLowValue": "",
+        "hintHighValue": "",
+        "link": "https://codecharta.com/docs/parser/unified",
+        "direction": -1,
+        "analyzers": [
+          "unifiedParser"
+        ]
+      }
+    },
+    "blacklist": []
+  },
+  "checksum": "e89455844b9df25247764607e28a5f30"
+}
diff --git a/analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/tsxSample.tsx b/analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/tsxSample.tsx
new file mode 100644
index 0000000000..6cf5ccb36d
--- /dev/null
+++ b/analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/tsxSample.tsx
@@ -0,0 +1,109 @@
+/**
+ * This is a generated sample file for analysis only
+ */
+
+import React, { useState } from "react";
+
+/**
+ * Props for the UserCard component
+ */
+interface UserCardProps {
+  name: string;
+  email: string;
+  role: "admin" | "user" | "guest";
+  isActive: boolean;
+}
+
+/**
+ * Displays a card with user information
+ */
+function UserCard({ name, email, role, isActive }: UserCardProps): JSX.Element {
+  // Apply different styles based on role
+  const roleColor = role === "admin" ? "red" : role === "user" ? "blue" : "gray";
+
+  return (
+    <div className={`user-card ${isActive ? "active" : "inactive"}`}>
+      <h2>{name}</h2>
+      <p>{email}</p>
+      <span style={{ color: roleColor }}>{role}</span>
+    </div>
+  );
+}
+
+/**
+ * Props for the UserList component
+ */
+interface UserListProps {
+  users: UserCardProps[];
+  filterRole?: "admin" | "user" | "guest";
+}
+
+/**
+ * Renders a filterable list of user cards
+ */
+function UserList({ users, filterRole }: UserListProps): JSX.Element {
+  const [searchText, setSearchText] = useState("");
+
+  // Filter by role if specified
+  const filteredByRole = filterRole ? users.filter((u) => u.role === filterRole) : users;
+
+  // Filter by search text
+  const visibleUsers = filteredByRole.filter((u) => {
+    if (searchText.length === 0) {
+      return true;
+    }
+    return u.name.toLowerCase().includes(searchText.toLowerCase()) || u.email.toLowerCase().includes(searchText.toLowerCase());
+  });
+
+  return (
+    <div className="user-list">
+      <input type="text" value={searchText} onChange={(e) => setSearchText(e.target.value)} placeholder="Search users..." />
+      {visibleUsers.length === 0 ? (
+        <p>No users found.</p>
+      ) : (
+        visibleUsers.map((user) => <UserCard key={user.email} {...user} />)
+      )}
+    </div>
+  );
+}
+
+/**
+ * Utility to determine access level — intentionally complex for metric coverage
+ */
+function determineAccessLevel(user: UserCardProps, resource: string): number {
+  // Inactive users have no access
+  if (!user.isActive) {
+    return 0;
+  }
+
+  // Admins always have full access
+  if (user.role === "admin") {
+    return 3;
+  }
+
+  if (resource.startsWith("personal-")) {
+    /* personal resources only for the user themselves */
+    return user.role === "user" ? 2 : 0;
+  } else if (resource.startsWith("team-")) {
+    if (user.role === "user") {
+      return 2;
+    } else if (user.role === "guest") {
+      return 1;
+    }
+  } else if (resource === "public") {
+    return 1;
+  }
+
+  return user.role === "guest" ? 0 : 1;
+}
+
+// Example usage
+const sampleUsers: UserCardProps[] = [
+  { name: "Alice", email: "alice@example.com", role: "admin", isActive: true },
+  { name: "Bob", email: "bob@example.com", role: "user", isActive: true },
+  { name: "Carol", email: "carol@example.com", role: "guest", isActive: false },
+];
+
+console.log(determineAccessLevel(sampleUsers[0], "team-finance"));
+console.log(determineAccessLevel(sampleUsers[1], "personal-1"));
+console.log(determineAccessLevel(sampleUsers[2], "public"));
diff --git a/analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/typescriptSample.cc.json b/analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/typescriptSample.cc.json
index 2022b0866a..6847621faf 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/typescriptSample.cc.json
+++ b/analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/typescriptSample.cc.json
@@ -1,5 +1,4 @@
 {
-  "checksum": "c3f1f5f78223008a943aea64fc84116e",
   "data": {
     "projectName": "",
     "nodes": [
@@ -185,9 +184,11 @@
         "description": "The mean complexity found in the body of a function of this file.",
         "hintLowValue": "",
         "hintHighValue": "",
-        "link": "",
+        "link": "https://codecharta.com/docs/parser/unified",
         "direction": -1,
-        "analyzers": []
+        "analyzers": [
+          "unifiedParser"
+        ]
       },
       "median_complexity_per_function": {
         "title": "Median complexity per function",
@@ -301,5 +302,6 @@
       }
     },
     "blacklist": []
-  }
+  },
+  "checksum": "87bea20f6ca0541428887295af376962"
 }
diff --git a/analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/vueSample.cc.json b/analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/vueSample.cc.json
index cf9b4c043f..3a98658c36 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/vueSample.cc.json
+++ b/analysis/analysers/parsers/UnifiedParser/src/test/resources/languageSamples/vueSample.cc.json
@@ -1,5 +1,4 @@
 {
-  "checksum": "47001530a4597f15242216cfe93739d5",
   "data": {
     "projectName": "",
     "nodes": [
@@ -19,7 +18,7 @@
               "number_of_functions": 8.0,
               "message_chains": 0.0,
               "rloc": 69.0,
-              "loc": 84.0,
+              "loc": 85.0,
               "long_method": 1.0,
               "long_parameter_list": 0.0,
               "excessive_comments": 1.0,
@@ -185,9 +184,11 @@
         "description": "The mean complexity found in the body of a function of this file.",
         "hintLowValue": "",
         "hintHighValue": "",
-        "link": "",
+        "link": "https://codecharta.com/docs/parser/unified",
         "direction": -1,
-        "analyzers": []
+        "analyzers": [
+          "unifiedParser"
+        ]
       },
       "median_complexity_per_function": {
         "title": "Median complexity per function",
@@ -301,5 +302,6 @@
       }
     },
     "blacklist": []
-  }
+  },
+  "checksum": "849d945434998b95f51c391bd41dda15"
 }
diff --git a/analysis/analysers/parsers/UnifiedParser/src/test/resources/mergeResult.cc.json b/analysis/analysers/parsers/UnifiedParser/src/test/resources/mergeResult.cc.json
index 8e18035b41..4e7a71c723 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/test/resources/mergeResult.cc.json
+++ b/analysis/analysers/parsers/UnifiedParser/src/test/resources/mergeResult.cc.json
@@ -1,5 +1,4 @@
 {
-  "checksum": "6e43c919775546b88be9046f94356a01",
   "data": {
     "projectName": "",
     "nodes": [
@@ -141,7 +140,7 @@
               "number_of_functions": 0.0,
               "message_chains": 0.0,
               "rloc": 9.0,
-              "loc": 14.0,
+              "loc": 15.0,
               "long_method": 0.0,
               "long_parameter_list": 0.0,
               "excessive_comments": 0.0,
@@ -173,7 +172,7 @@
               "number_of_functions": 1.0,
               "message_chains": 0.0,
               "rloc": 5.0,
-              "loc": 8.0,
+              "loc": 9.0,
               "long_method": 0.0,
               "long_parameter_list": 0.0,
               "excessive_comments": 0.0,
@@ -383,10 +382,10 @@
         "description": "The mean complexity found in the body of a function of this file.",
         "hintLowValue": "",
         "hintHighValue": "",
-        "link": "",
+        "link": "https://codecharta.com/docs/parser/unified",
         "direction": -1,
         "analyzers": [
-          "Unknown"
+          "unifiedParser"
         ]
       },
       "median_complexity_per_function": {
@@ -501,5 +500,6 @@
       }
     },
     "blacklist": []
-  }
+  },
+  "checksum": "880d4dcef1c51873939f9105dc4afb11"
 }
diff --git a/analysis/analysers/parsers/UnifiedParser/src/test/resources/sampleProject.cc.json b/analysis/analysers/parsers/UnifiedParser/src/test/resources/sampleProject.cc.json
index 0bec0f8caf..61043fa975 100644
--- a/analysis/analysers/parsers/UnifiedParser/src/test/resources/sampleProject.cc.json
+++ b/analysis/analysers/parsers/UnifiedParser/src/test/resources/sampleProject.cc.json
@@ -1,5 +1,4 @@
 {
-  "checksum": "aa9b37b414625bf132a81d323e3e5b75",
   "data": {
     "projectName": "",
     "nodes": [
@@ -123,7 +122,7 @@
               "number_of_functions": 0.0,
               "message_chains": 0.0,
               "rloc": 9.0,
-              "loc": 14.0,
+              "loc": 15.0,
               "long_method": 0.0,
               "long_parameter_list": 0.0,
               "excessive_comments": 0.0,
@@ -155,7 +154,7 @@
               "number_of_functions": 1.0,
               "message_chains": 0.0,
               "rloc": 5.0,
-              "loc": 8.0,
+              "loc": 9.0,
               "long_method": 0.0,
               "long_parameter_list": 0.0,
               "excessive_comments": 0.0,
@@ -353,9 +352,11 @@
         "description": "The mean complexity found in the body of a function of this file.",
         "hintLowValue": "",
         "hintHighValue": "",
-        "link": "",
+        "link": "https://codecharta.com/docs/parser/unified",
         "direction": -1,
-        "analyzers": []
+        "analyzers": [
+          "unifiedParser"
+        ]
       },
       "median_complexity_per_function": {
         "title": "Median complexity per function",
@@ -469,5 +470,6 @@
       }
     },
     "blacklist": []
-  }
+  },
+  "checksum": "4dad66260a46298f0ab7ea55b6f12aee"
 }
diff --git a/analysis/model/src/main/kotlin/de/maibornwolff/codecharta/serialization/FileExtension.kt b/analysis/model/src/main/kotlin/de/maibornwolff/codecharta/serialization/FileExtension.kt
index 914b90099f..da394b4ba9 100644
--- a/analysis/model/src/main/kotlin/de/maibornwolff/codecharta/serialization/FileExtension.kt
+++ b/analysis/model/src/main/kotlin/de/maibornwolff/codecharta/serialization/FileExtension.kt
@@ -1,6 +1,12 @@
 package de.maibornwolff.codecharta.serialization
 
-enum class FileExtension(val primaryExtension: String, val otherValidExtensions: Set<String> = setOf()) {
+/** Canonical file extensions recognized by CodeCharta analysers. */
+enum class FileExtension(
+    /** The primary extension string, including the leading dot (e.g. `".java"`). */
+    val primaryExtension: String,
+    /** Additional valid extensions for this language beyond the primary one. */
+    val otherValidExtensions: Set<String> = setOf()
+) {
     JSON(".json"),
     CSV(".csv"),
     CODECHARTA(".cc"),
@@ -12,6 +18,7 @@ enum class FileExtension(val primaryExtension: String, val otherValidExtensions:
     GO(".go"),
     PHP(".php"),
     TYPESCRIPT(".ts", setOf("cts", ".mts")),
+    TSX(".tsx"),
     CSHARP(".cs"),
     CPP(".cpp", setOf(".cc", ".cxx", ".c++", ".hh", ".hpp", ".hxx")),
     C(".c", setOf(".h")),
diff --git a/analysis/model/src/main/kotlin/de/maibornwolff/codecharta/serialization/ProjectInputReader.kt b/analysis/model/src/main/kotlin/de/maibornwolff/codecharta/serialization/ProjectInputReader.kt
index dcfbdfbd33..7c8ee86d85 100644
--- a/analysis/model/src/main/kotlin/de/maibornwolff/codecharta/serialization/ProjectInputReader.kt
+++ b/analysis/model/src/main/kotlin/de/maibornwolff/codecharta/serialization/ProjectInputReader.kt
@@ -7,18 +7,26 @@ import java.io.InputStream
 import java.io.InputStreamReader
 import java.util.Scanner
 
+/** Reads and extracts serialized project JSON from an [java.io.InputStream], handling pipe-based input with sync signalling. */
 object ProjectInputReader {
-/**
+    private const val MAX_WAIT_MS = 500L
+    private const val CHECK_INTERVAL_MS = 50L
+
+    /**
      * Extracts a JSON string representing a project from the given InputStream.
      * Because piped bash commands run concurrently, a pipeable ccsh-parser sends a sync flag
      * to signal other parsers to check for piped input.
-     * A short wait ensures the availability of potential sync flags.
+     * Polls for data availability to handle concurrent JVM startup delays.
      *
      * @param input InputStream with serialized project data.
      * @return JSON string of the project, or an empty string if no valid data is found.
      */
     fun extractProjectString(input: InputStream): String {
-        Thread.sleep(100)
+        var waited = 0L
+        while (input.available() <= 0 && waited < MAX_WAIT_MS) {
+            Thread.sleep(CHECK_INTERVAL_MS)
+            waited += CHECK_INTERVAL_MS
+        }
         val availableBytes = input.available()
         if (availableBytes <= 0) {
             return ""
@@ -50,6 +58,7 @@ object ProjectInputReader {
         return content.replace(Regex("[\\n\\r]"), "")
     }
 
+    /** Returns `true` if the first 1024 bytes of [input] contain the ccsh sync flag, leaving the stream reset to its original position. */
     private fun containsSyncSignal(input: InputStream): Boolean {
         val bufferSize = 1024
         val buffer = ByteArray(bufferSize)
@@ -62,6 +71,7 @@ object ProjectInputReader {
         return isSubarray(syncSignalBytes, buffer)
     }
 
+    /** Extracts the last complete JSON object from [streamContent] by scanning backwards for a balanced `{}`pair, returning the full string if no valid object is found. */
     private fun extractJsonObjectFromEndOfStream(streamContent: String): String {
         var count = 0
         val openingBracket = '{'
@@ -90,6 +100,7 @@ object ProjectInputReader {
         }
     }
 
+    /** Returns `true` if [subarray] appears as a contiguous subsequence anywhere within [buffer]. */
     private fun isSubarray(subarray: ByteArray, buffer: ByteArray): Boolean {
         for (i in 0 until buffer.size - subarray.size + 1) {
             if (buffer.copyOfRange(i, i + subarray.size).contentEquals(subarray)) {
diff --git a/gh-pages/_docs/05-parser/05-unified.md b/gh-pages/_docs/05-parser/05-unified.md
index dd3d03acb6..61e0f21b87 100644
--- a/gh-pages/_docs/05-parser/05-unified.md
+++ b/gh-pages/_docs/05-parser/05-unified.md
@@ -20,6 +20,7 @@ CodeCharta. It generates either a cc.json or a csv file.
 |--------------|----------------------------------------|
 | Javascript   | .js, .cjs, .mjs                        |
 | Typescript   | .ts, .cts, .mts                        |
+| TSX          | .tsx                                   |
 | Java         | .java                                  |
 | Kotlin       | .kt                                    |
 | C#           | .cs                                    |
@@ -32,6 +33,7 @@ CodeCharta. It generates either a cc.json or a csv file.
 | Ruby         | .rb                                    |
 | Swift        | .swift                                 |
 | Bash         | .sh                                    |
+| Vue          | .vue                                   |
 
 ## Supported Metrics
 
@@ -146,6 +148,14 @@ contribute to complexity:
   `class_static_block`, `function_expression`
 - **Logical operators**: `&&`, `||`, `??` in binary expressions
 
+#### TSX (.tsx)
+
+- **Control flow**: `if_statement`, `do_statement`, `for_statement`, `while_statement`, `for_in_statement`, `ternary_expression`,
+  `conditional_type`, `switch_case`, `switch_default`, `catch_clause`
+- **Functions**: `function_declaration`, `generator_function_declaration`, `arrow_function`, `generator_function`, `method_definition`,
+  `class_static_block`, `function_expression`
+- **Logical operators**: `&&`, `||`, `??` in binary expressions
+
 #### Java (.java)
 
 - **Control flow**: `if_statement`, `do_statement`, `for_statement`, `while_statement`, `enhanced_for_statement`, `ternary_expression`,
@@ -235,7 +245,7 @@ contribute to complexity:
 
 Comment lines are counted based on language-specific comment syntax:
 
-- **JavaScript/TypeScript**: `comment`, `html_comment`
+- **JavaScript/TypeScript/TSX**: `comment`, `html_comment`
 - **Java**: `block_comment`, `line_comment`
 - **Kotlin**: `line_comment`, `multiline_comment`
 - **C#**: `comment`
@@ -262,6 +272,11 @@ Function counting identifies different types of function definitions per languag
 - **Simple functions**: `function_declaration`, `generator_function_declaration`, `method_definition`, `function_expression`
 - **Arrow functions**: Assigned to variables (detected via `variable_declarator` with `arrow_function` value)
 
+#### TSX (.tsx)
+
+- **Simple functions**: `function_declaration`, `generator_function_declaration`, `method_definition`, `function_expression`
+- **Arrow functions**: Assigned to variables (detected via `variable_declarator` with `arrow_function` value)
+
 #### Java (.java)
 
 - **Methods and constructors**: `method_declaration`, `constructor_declaration`, `compact_constructor_declaration`
@@ -338,7 +353,7 @@ This metric is calculated by counting all lines that are not identified as comme
 
 Parameters per function counts the number of parameters declared for each function. The metric identifies parameter nodes specific to each language:
 
-- **JavaScript/TypeScript**: `formal_parameter`, `required_parameter`
+- **JavaScript/TypeScript/TSX**: `formal_parameter`, `required_parameter`
 - **Java**: `formal_parameter`
 - **Kotlin**: `parameter`
 - **C#**: `parameter`
@@ -367,6 +382,11 @@ can indicate tight coupling and violations of the Law of Demeter. The metric cou
 - **Chain nodes**: `call_expression`, `member_expression`
 - **Call nodes**: `call_expression`
 
+#### TSX (.tsx)
+
+- **Chain nodes**: `call_expression`, `member_expression`
+- **Call nodes**: `call_expression`
+
 #### Java (.java)
 
 - **Chain nodes**: `method_invocation`, `field_access`
diff --git a/plans/add-tsx-support.md b/plans/add-tsx-support.md
new file mode 100644
index 0000000000..c99aa8d648
--- /dev/null
+++ b/plans/add-tsx-support.md
@@ -0,0 +1,65 @@
+---
+name: add-tsx-support
+issue:
+state: complete
+version:
+---
+
+## Goal
+
+Wire up the `Language.TSX` support added in treesitter-excavation v0.4.0 so the UnifiedParser discovers and parses `.tsx` files.
+
+## Tasks
+
+### 1. Bump treesitter-excavation dependency
+
+Update the version in `build.gradle.kts` to the release that includes `Language.TSX` (v0.4.1).
+
+- File: `analysis/analysers/parsers/UnifiedParser/build.gradle.kts`
+- Change: `implementation("com.github.MaibornWolff:TreeSitterExcavationSite:v0.4.1")` → latest version with TSX
+
+After bumping, run all unit tests to catch any regressions from the version change:
+```bash
+cd analysis && ./gradlew :analysers:parsers:UnifiedParser:test
+```
+
+### 2. Write a failing test
+
+Create a new `TsxCollectorTest.kt` that creates a `TreeSitterLibraryCollector(Language.TSX)` and asserts LOC > 0 for a minimal `.tsx` snippet (e.g. a React functional component returning JSX).
+
+- New file: `analysis/analysers/parsers/UnifiedParser/src/test/kotlin/.../metriccollectors/TsxCollectorTest.kt`
+
+### 3. Add `TSX` to `FileExtension` enum
+
+Add a new entry so the project scanner discovers `.tsx` files.
+
+- File: `analysis/model/src/main/kotlin/de/maibornwolff/codecharta/serialization/FileExtension.kt`
+- Add `TSX(".tsx")` after the `TYPESCRIPT` entry
+
+### 4. Register `TSX` collector in `AvailableCollectors`
+
+Map `FileExtension.TSX` to `Language.TSX`.
+
+- File: `analysis/analysers/parsers/UnifiedParser/src/main/kotlin/.../metriccollectors/AvailableCollectors.kt`
+- Add `TSX(FileExtension.TSX, { TreeSitterLibraryCollector(Language.TSX) })`
+
+### 5. Add TSX mapping in `TreeSitterAdapter`
+
+Add `FileExtension.TSX -> Language.TSX` to `getLanguageForExtension()`.
+
+- File: `analysis/analysers/parsers/UnifiedParser/src/main/kotlin/.../metriccollectors/TreeSitterAdapter.kt`
+
+### 6. Confirm green
+
+Run tests and verify the new test passes along with all existing tests.
+
+## Steps
+
+- [x] Complete Task 1: Bump dependency (`v0.2.0` → `v0.4.1`) — already staged in `build.gradle.kts`
+- [x] Complete Task 1 (cont.): Fix golden file regressions from v0.4.1
+- [x] Complete Task 2: Write failing TSX test
+- [x] Complete Task 3: Add `TSX` to `FileExtension`
+- [x] Complete Task 4: Register in `AvailableCollectors`
+- [x] Complete Task 5: Add mapping in `TreeSitterAdapter`
+- [x] Complete Task 6: All tests green
+

From 9a7cf59d55768385e92ee98d43742be629f8364b Mon Sep 17 00:00:00 2001
From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com>
Date: Mon, 20 Apr 2026 08:20:38 +0000
Subject: [PATCH 2/2] chore(deps): update dependency activesupport to v8.1.2.1
 [security]

---
 gh-pages/Gemfile.lock | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/gh-pages/Gemfile.lock b/gh-pages/Gemfile.lock
index 641b067e6d..7bca91eb72 100644
--- a/gh-pages/Gemfile.lock
+++ b/gh-pages/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (8.1.1)
+    activesupport (8.1.3)
       base64
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.3.1)
@@ -30,8 +30,8 @@ GEM
     coffee-script-source (1.12.2)
     colorator (1.1.0)
     commonmarker (0.23.12)
-    concurrent-ruby (1.3.5)
-    connection_pool (2.5.4)
+    concurrent-ruby (1.3.6)
+    connection_pool (2.5.5)
     csv (3.3.5)
     dnsruby (1.73.1)
       base64 (>= 0.2)
@@ -116,7 +116,7 @@ GEM
     http_parser.rb (0.8.0)
     httpclient (2.9.0)
       mutex_m
-    i18n (1.14.7)
+    i18n (1.14.8)
       concurrent-ruby (~> 1.0)
     jekyll (3.10.0)
       addressable (~> 2.4)