Add type unions to TypeScript AST

2 files changed, 56 insertions, 0 deletions

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 56cbc6c..b6f666e 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
@@ -432,6 +432,21 @@ public class TypescriptWriterTests {
         assertThat(string, equalTo("x"));
     }
 
+    // === Type unions ===
+
+    @Test
+    public void typeUnion() throws IOException {
+        var typescript = TypescriptTypeUnion.arbitrary()
+            .addVariant(ref("X"))
+            .addVariant(ref("Y"))
+            .addVariant(ref("Z"))
+            .build();
+
+        var string = write(writer -> writer.writeExpression(typescript));
+
+        assertThat(string, equalTo("X | Y | Z"));
+    }
+
     // == Utilities ==
 
     private static TypescriptIdentifier id(String name) {
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptTypeUnionMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptTypeUnionMatcher.java
new file mode 100644
index 0000000..66cc995
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/typescript/ast/TypescriptTypeUnionMatcher.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.TypescriptTypeUnionMatcher imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnionMatcher imports
+
+public final class TypescriptTypeUnionMatcher implements org.zwobble.precisely.Matcher<java.lang.Object> {
+    public static org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnionMatcher isTypescriptTypeUnion() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnionMatcher(java.util.List.of());
+    }
+
+    private final java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnion>> submatchers;
+
+    private TypescriptTypeUnionMatcher(
+        java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnion>> 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.TypescriptTypeUnion.class, this.submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnionMatcher withVariants(org.zwobble.precisely.Matcher<? super java.util.List<org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptExpression>> variants) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnion>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("variants", org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnion::variants, (org.zwobble.precisely.Matcher) variants));
+        return new org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnionMatcher(submatchers);
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnionMatcher body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.typescript.ast.TypescriptTypeUnionMatcher body
+}