From 123d350524d3e83d79def6d69718bb90dd670b74 Mon Sep 17 00:00:00 2001
From: Lucas Azzola <derflatulator@gmail.com>
Date: Sun, 16 Jul 2017 16:38:13 +1000
Subject: [PATCH] Don't mask TypeScript errors without position information,
 #2361 (#2495)

---
 src/parser-typescript.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/parser-typescript.js b/src/parser-typescript.js
index 09e008d1..ae7daecf 100644
--- a/src/parser-typescript.js
+++ b/src/parser-typescript.js
@@ -15,6 +15,10 @@ function parse(text) {
       ast = tryParseTypeScript(text, !jsx);
     }
   } catch (e) {
+    if (typeof e.lineNumber === "undefined") {
+      throw e;
+    }
+
     throw createError(e.message, {
       start: { line: e.lineNumber, column: e.column + 1 }
     });