Coerce factory modifiers argument to NodeArray

_packages/api/test/async/api.test.ts

@@ -43,6 +43,8 @@ import {
     createIdentifier,
     createKeywordTypeNode,
     createParameterDeclaration,
+    createToken,
+    createTypeAliasDeclaration,
     createTypeReferenceNode,
     createUnionTypeNode,
 } from "@typescript/ast/factory";
@@ -2354,6 +2356,28 @@ doThing();
     }
 });
 
+test("Factory ModifierList auto-conversion", async () => {
+    const api = spawnAPI();
+    try {
+        const snapshot = await api.updateSnapshot({ openProject: "/tsconfig.json" });
+        const project = snapshot.getProject("/tsconfig.json")!;
+        const node = createTypeAliasDeclaration(
+            [createToken(SyntaxKind.ExportKeyword)],
+            createIdentifier("Test"),
+            undefined,
+            createKeywordTypeNode(SyntaxKind.AnyKeyword),
+        );
+
+        assert.equal(await project.emitter.printNode(node), "export type Test = any;");
+
+        const cloned = getSynthesizedDeepClone(node);
+        assert.equal(await project.emitter.printNode(cloned), "export type Test = any;");
+    }
+    finally {
+        await api.close();
+    }
+});
+
 test("Parse-clone-emit roundtrip", async () => {
     const tsSource = fileURLToPath(new URL("../../../../_submodules/TypeScript/src", import.meta.url).toString());
     const api = new API({

_packages/api/test/sync/api.test.ts

@@ -51,6 +51,8 @@ import {
     createIdentifier,
     createKeywordTypeNode,
     createParameterDeclaration,
+    createToken,
+    createTypeAliasDeclaration,
     createTypeReferenceNode,
     createUnionTypeNode,
 } from "@typescript/ast/factory";
@@ -2362,6 +2364,28 @@ doThing();
     }
 });
 
+test("Factory ModifierList auto-conversion", () => {
+    const api = spawnAPI();
+    try {
+        const snapshot = api.updateSnapshot({ openProject: "/tsconfig.json" });
+        const project = snapshot.getProject("/tsconfig.json")!;
+        const node = createTypeAliasDeclaration(
+            [createToken(SyntaxKind.ExportKeyword)],
+            createIdentifier("Test"),
+            undefined,
+            createKeywordTypeNode(SyntaxKind.AnyKeyword),
+        );
+
+        assert.equal(project.emitter.printNode(node), "export type Test = any;");
+
+        const cloned = getSynthesizedDeepClone(node);
+        assert.equal(project.emitter.printNode(cloned), "export type Test = any;");
+    }
+    finally {
+        api.close();
+    }
+});
+
 test("Parse-clone-emit roundtrip", () => {
     const tsSource = fileURLToPath(new URL("../../../../_submodules/TypeScript/src", import.meta.url).toString());
     const api = new API({