From bd664e8cffcaf997631c9a8f5a5770d5a8bbe4d7 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 29 Aug 2026 22:19:10 +0100
Subject: Add class declarations to TypeScript AST

---
 .../lang/typescript/TypescriptWriterTests.java     | 20 +++++++++++
 .../ast/TypescriptClassDeclarationMatcher.java     | 41 ++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptClassDeclarationMatcher.java

(limited to 'src/test/java')

diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/TypescriptWriterTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/TypescriptWriterTests.java
index 71978f0..a5cf539 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/TypescriptWriterTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/TypescriptWriterTests.java
@@ -2,6 +2,8 @@ package org.zwobble.hobgoblin.compiler.output.lang.typescript;
 
 import org.junit.jupiter.api.Test;
 import org.zwobble.hobgoblin.compiler.output.CodeWriter;
+import org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclaration;
+import org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptIdentifier;
 import org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptModule;
 
 import java.io.IOException;
@@ -27,6 +29,24 @@ public class TypescriptWriterTests {
         ));
     }
 
+    // == Statements ==
+
+    // === Class declarations ===
+
+    @Test
+    public void emptyClassDeclaration() throws IOException {
+        var typescript = TypescriptClassDeclaration.arbitrary()
+            .withName(TypescriptIdentifier.of("X"))
+            .build();
+
+        var string = write(writer -> writer.writeStatement(typescript));
+
+        assertThat(string, equalTo("""
+            class X {
+            }"""
+        ));
+    }
+
     private String write(TypescriptWriter.Write write) throws IOException {
         return write(write, Optional.empty());
     }
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptClassDeclarationMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptClassDeclarationMatcher.java
new file mode 100644
index 0000000..8bde6e1
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptClassDeclarationMatcher.java
@@ -0,0 +1,41 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.typescript.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclarationMatcher imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclarationMatcher imports
+
+public final class TypescriptClassDeclarationMatcher implements org.zwobble.precisely.Matcher<java.lang.Object> {
+    public static org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclarationMatcher isTypescriptClassDeclaration() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclarationMatcher(java.util.List.of());
+    }
+
+    private final java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclaration>> submatchers;
+
+    private TypescriptClassDeclarationMatcher(
+        java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclaration>> submatchers
+    ) {
+        this.submatchers = submatchers;
+    }
+
+    public org.zwobble.precisely.MatchResult match(java.lang.Object actual) {
+        return this.toMatcher().match(actual);
+    }
+
+    public org.zwobble.precisely.TextTree describe() {
+        return this.toMatcher().describe();
+    }
+
+    private org.zwobble.precisely.Matcher<java.lang.Object> toMatcher() {
+        return org.zwobble.precisely.Matchers.instanceOf(org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclaration.class, this.submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclarationMatcher withName(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptIdentifier> name) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclaration>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("name", org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclaration::name, name));
+        return new org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclarationMatcher(submatchers);
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclarationMatcher body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptClassDeclarationMatcher body
+}
-- 
cgit v1.2.3