fix: illegal return statement parsing error (#164)

index.js

@@ -122,15 +122,19 @@ function parseScriptExtended(strToAnalyze, options = {}) {
     return body;
   }
   catch (error) {
+    const isIllegalReturn = error.description.includes("Illegal return statement");
+
     if (error.name === "SyntaxError" && (
       error.description.includes("The import keyword") ||
-      error.description.includes("The export keyword")
+      error.description.includes("The export keyword") ||
+      isIllegalReturn
     )) {
       const { body } = meriyah.parseScript(
         cleanedStrToAnalyze,
         {
           ...kMeriyahDefaultOptions,
-          module: true
+          module: true,
+          globalReturn: isIllegalReturn
         }
       );
 

test/illegalReturnStatement.spec.js

@@ -0,0 +1,31 @@
+// Import Node.js Dependencies
+import { test } from "node:test";
+import assert from "node:assert";
+
+// Import Internal Dependencies
+import { runASTAnalysis } from "../index.js";
+
+/**
+ * @see https://github.com/NodeSecure/js-x-ray/issues/163
+ */
+// CONSTANTS
+const kIncriminedCodeSample = `
+const argv = process.argv.slice(2);
+
+function foobar() {
+  console.log("foobar");
+}
+
+if (!argv.length) {
+  return foobar();
+}
+`;
+
+test("it should not throw error whatever module is true or false", () => {
+  assert.doesNotThrow(() => {
+    runASTAnalysis(kIncriminedCodeSample, { module: false });
+  });
+  assert.doesNotThrow(() => {
+    runASTAnalysis(kIncriminedCodeSample, { module: true });
+  });
+});