From 844903922facb51292735c6577296c7d5f17c1a9 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 30 Aug 2026 09:28:09 +0100
Subject: Add expression statement to TypeScript AST

---
 .../lang/typescript/TypescriptWriterTests.java     | 13 +++++++
 .../ast/TypescriptExpressionStatementMatcher.java  | 41 ++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptExpressionStatementMatcher.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 5e5c57a..82b76f0 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
@@ -113,6 +113,19 @@ public class TypescriptWriterTests {
         ));
     }
 
+    // === Expression statements ===
+
+    @Test
+    public void expressionStatement() throws IOException {
+        var typescript = TypescriptExpressionStatement.arbitrary()
+            .withExpression(TypescriptNumberLiteral.arbitrary().withValue(42))
+            .build();
+
+        var string = write(writer -> writer.writeStatement(typescript));
+
+        assertThat(string, equalTo("42.0;"));
+    }
+
     // == Class elements ==
 
     // === Class constructors ===
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptExpressionStatementMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptExpressionStatementMatcher.java
new file mode 100644
index 0000000..043fb1c
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptExpressionStatementMatcher.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.TypescriptExpressionStatementMatcher imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpressionStatementMatcher imports
+
+public final class TypescriptExpressionStatementMatcher implements org.zwobble.precisely.Matcher<java.lang.Object> {
+    public static org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpressionStatementMatcher isTypescriptExpressionStatement() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpressionStatementMatcher(java.util.List.of());
+    }
+
+    private final java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpressionStatement>> submatchers;
+
+    private TypescriptExpressionStatementMatcher(
+        java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpressionStatement>> 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.TypescriptExpressionStatement.class, this.submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpressionStatementMatcher withExpression(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpression> expression) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpressionStatement>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("expression", org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpressionStatement::expression, (org.zwobble.precisely.Matcher) expression));
+        return new org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpressionStatementMatcher(submatchers);
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpressionStatementMatcher body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpressionStatementMatcher body
+}
-- 
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