fix(parser): fix trailing comma on objects when parsing expression

GitOrigin-RevId: 85636bd6ae7f4d996fc483bc7d5d779d1ab44407

platform/wab/src/wab/shared/eval/expression-parser.spec.ts

@@ -202,6 +202,19 @@ describe("renameObjectKey", function () {
     );
     expect(newCode).toEqual("$ctx.a + $state.new.yek + $ctx.b");
   });
+
+  it("should rename variable in object", () => {
+    const newCode = renameObjectKey(
+      "{ code: $props.test }",
+      "$props",
+      "$props",
+      "test",
+      "newTest"
+    );
+
+    // Removing spaces to make it easier to compare, since ast formats the code
+    expect(newCode.replace(/\s+/g, " ")).toEqual("{ code: $props.newTest }");
+  });
 });
 
 describe("replaceVarWithProp", function () {

platform/wab/src/wab/shared/eval/expression-parser.ts

@@ -365,7 +365,7 @@ export function mergeParsedExprInfos(infos: ParsedExprInfo[]): ParsedExprInfo {
 }
 
 function generateCode(ast: ast.Program): string {
-  const newCode = writeJs(ast);
+  const newCode = writeJs(ast, { semicolons: false });
 
   // Remove trailing semicolon in case the generator added
   return newCode.endsWith(";") ? newCode.slice(0, -1) : newCode;

platform/wab/src/wab/shared/parser-utils.ts

@@ -31,14 +31,18 @@ export function parseJsCode(code: string) {
   });
 }
 
-export function writeJs(ast: ast.Program, opts?: { indentLevel?: number }) {
+export function writeJs(
+  ast: ast.Program,
+  opts?: { semicolons?: boolean; indentLevel?: number }
+) {
   return generate(ast, {
     format: {
       indent: {
         style: "  ",
         adjustMultilineComment: true,
         ...(opts?.indentLevel ? { base: opts.indentLevel } : {}),
       },
+      ...(opts?.semicolons != null ? { semicolons: opts?.semicolons } : {}),
       quotes: "double",
     },
   });