start writing test

generators/typescript/codegen/src/ast/__test__/TypeLiteral.test.ts

@@ -0,0 +1,10 @@
+import { ts } from "../..";
+
+describe("TypeLiteral", () => {
+    describe("numberToString", () => {
+        it("Should generate a simple number", () => {
+            const literal = ts.TypeLiteral.number(7);
+            expect(literal.toStringFormatted()).toMatchSnapshot();
+        });
+    });
+});

generators/typescript/codegen/src/ast/__test__/__snapshots__/TypeLiteral.test.ts.snap

@@ -0,0 +1,5 @@
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
+
+exports[`TypeLiteral > numberToString > Should generate a simple number`] = `
+"7
+`;

generators/typescript/codegen/src/ast/core/AstNode.ts

@@ -1,3 +1,18 @@
 import { AbstractAstNode } from "@fern-api/generator-commons";
+import { Writer } from "./Writer";
+import * as prettier from "prettier";
 
-export abstract class AstNode extends AbstractAstNode {}
+export abstract class AstNode extends AbstractAstNode {
+    /**
+     * Writes the node to a string.
+     */
+    public toString(): string {
+        const writer = new Writer();
+        this.write(writer);
+        return writer.toString();
+    }
+
+    public toStringFormatted(): string {
+        return prettier.format(this.toString(), { parser: "typescript", tabWidth: 4, printWidth: 120 });
+    }
+}

generators/typescript/codegen/src/ast/index.ts

@@ -1,4 +1,5 @@
 export * from "./core";
 export { CodeBlock } from "./CodeBlock";
 export { Type } from "./Type";
+export { TypeLiteral } from "./TypeLiteral";
 export { Variable } from "./Variable";

generators/typescript/codegen/src/typescript.ts

@@ -9,5 +9,5 @@ export function variable(arg: AST.Variable.Args): AST.Variable {
 }
 
 export * from "./ast";
-export { Type as Types } from "./ast";
+export { Type as Types, TypeLiteral } from "./ast";
 export * from "./ast/core";