From 9ae0aa5e9fe3ae8e52c48fc1ad23ee047752ff89 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Mon, 31 Aug 2026 23:05:34 +0100
Subject: Add typeof to TypeScript AST

---
 .../output/lang/typescript/TypescriptWriter.java   |  9 ++++++
 .../lang/typescript/ast/TypescriptExpression.java  |  2 +-
 .../lang/typescript/ast/TypescriptTypeof.java      | 36 ++++++++++++++++++++++
 3 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptTypeof.java

(limited to 'src/main/java')

diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/TypescriptWriter.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/TypescriptWriter.java
index 7931855..63e4e72 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/TypescriptWriter.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/TypescriptWriter.java
@@ -277,6 +277,10 @@ public class TypescriptWriter implements AutoCloseable {
                 this.writeRef(ref);
             }
 
+            case TypescriptTypeof typeof -> {
+                this.writeTypeof(typeof);
+            }
+
             case TypescriptTypeUnion typeUnion -> {
                 this.writeTypeUnion(typeUnion);
             }
@@ -345,6 +349,11 @@ public class TypescriptWriter implements AutoCloseable {
         this.writeIdentifier(ref.name());
     }
 
+    private void writeTypeof(TypescriptTypeof typeof) throws IOException {
+        this.writer.write("typeof ");
+        this.writeExpression(typeof.expression());
+    }
+
     private void writeTypeUnion(TypescriptTypeUnion typeUnion) throws IOException {
         writeWithSeparator(
             typeUnion.variants(),
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptExpression.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptExpression.java
index b8e79d3..0e5fe02 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptExpression.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptExpression.java
@@ -5,7 +5,7 @@ package org.zwobble.hobgoblin.compiler.output.lang.typescript.ast;
 // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpression imports
 // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpression imports
 
-public sealed interface TypescriptExpression permits org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptBinaryOperation, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptCall, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptConstructedType, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptFieldAccess, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptNewCall, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptNumberLiteral, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptRef, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnion {
+public sealed interface TypescriptExpression permits org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptBinaryOperation, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptCall, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptConstructedType, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptFieldAccess, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptNewCall, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptNumberLiteral, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptRef, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof, org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnion {
     public interface Builder {
         public org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpression build();
 
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptTypeof.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptTypeof.java
new file mode 100644
index 0000000..7410c1d
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptTypeof.java
@@ -0,0 +1,36 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.typescript.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof imports
+
+public record TypescriptTypeof(
+    org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpression expression
+) implements org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpression {
+    public static org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof.Builder(org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptNumberLiteral.arbitrary().build());
+    }
+
+    public record Builder(
+        org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpression expression
+    ) implements org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpression.Builder {
+        public org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof build() {
+            return new org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof(expression);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof.Builder withExpression(org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpression expression) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof.Builder(expression);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof.Builder withExpression(org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpression.Builder expression) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof.Builder(expression.build());
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeof body
+}
-- 
cgit v1.2.3