diff --git a/scripts/setup-build.js b/scripts/setup-build.js
index 563327aa73e..2faaec95fa5 100644
--- a/scripts/setup-build.js
+++ b/scripts/setup-build.js
@@ -2,9 +2,16 @@ const { readFileSync, writeFileSync } = require("node:fs");
 const { resolve } = require("node:path");
 
 const tsConfigPath = resolve(__dirname, "../tsconfig.json");
-const tsConfigRaw = readFileSync(tsConfigPath);
-const tsConfig = JSON.parse(tsConfigRaw);
 
-tsConfig.compilerOptions.sourceMap = true;
+try {
+  const tsConfigRaw = readFileSync(tsConfigPath, "utf-8");
+  const tsConfig = JSON.parse(tsConfigRaw);
 
-writeFileSync(tsConfigPath, JSON.stringify(tsConfig, null, 2));
+  tsConfig.compilerOptions = tsConfig.compilerOptions || {};
+  tsConfig.compilerOptions.sourceMap = true;
+
+  writeFileSync(tsConfigPath, JSON.stringify(tsConfig, null, 2), "utf-8");
+  console.log("tsconfig.json updated successfully with sourceMap enabled.");
+} catch (error) {
+  console.error("Failed to update tsconfig.json:", error.message);
+}