From 958e242ef5634a5e7d1645e0c4d4fba0065f5ba9 Mon Sep 17 00:00:00 2001
From: Dan Lynch <pyramation@gmail.com>
Date: Tue, 21 Jul 2026 22:16:20 +0000
Subject: [PATCH] fix: detect parsePlPgSQL errors by non-JSON result instead of
 message prefix

---
 templates/full/index.ts  | 6 ++++--
 versions/18/src/index.ts | 6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/templates/full/index.ts b/templates/full/index.ts
index b616d92..7972a36 100644
--- a/templates/full/index.ts
+++ b/templates/full/index.ts
@@ -247,7 +247,8 @@ export const parsePlPgSQL = awaitInit(async (query: string): Promise<ParseResult
     resultPtr = wasmModule._wasm_parse_plpgsql(queryPtr);
     const resultStr = ptrToString(resultPtr);
     
-    if (resultStr.startsWith('syntax error') || resultStr.startsWith('deparse error') || resultStr.startsWith('ERROR')) {
+    // Success is always a JSON object; anything else is an error message
+    if (!resultStr.startsWith('{')) {
       throw new Error(resultStr);
     }
     
@@ -377,7 +378,8 @@ export function parsePlPgSQLSync(query: string): ParseResult {
     resultPtr = wasmModule._wasm_parse_plpgsql(queryPtr);
     const resultStr = ptrToString(resultPtr);
     
-    if (resultStr.startsWith('syntax error') || resultStr.startsWith('deparse error') || resultStr.startsWith('ERROR')) {
+    // Success is always a JSON object; anything else is an error message
+    if (!resultStr.startsWith('{')) {
       throw new Error(resultStr);
     }
     
diff --git a/versions/18/src/index.ts b/versions/18/src/index.ts
index 0dd8e98..193195b 100644
--- a/versions/18/src/index.ts
+++ b/versions/18/src/index.ts
@@ -254,7 +254,8 @@ export const parsePlPgSQL = awaitInit(async (query: string): Promise<ParseResult
     resultPtr = wasmModule._wasm_parse_plpgsql(queryPtr);
     const resultStr = ptrToString(resultPtr);
     
-    if (resultStr.startsWith('syntax error') || resultStr.startsWith('deparse error') || resultStr.startsWith('ERROR')) {
+    // Success is always a JSON object; anything else is an error message
+    if (!resultStr.startsWith('{')) {
       throw new Error(resultStr);
     }
     
@@ -384,7 +385,8 @@ export function parsePlPgSQLSync(query: string): ParseResult {
     resultPtr = wasmModule._wasm_parse_plpgsql(queryPtr);
     const resultStr = ptrToString(resultPtr);
     
-    if (resultStr.startsWith('syntax error') || resultStr.startsWith('deparse error') || resultStr.startsWith('ERROR')) {
+    // Success is always a JSON object; anything else is an error message
+    if (!resultStr.startsWith('{')) {
       throw new Error(resultStr);
     }