From 7df81488ab42a1198d5f4a8ccbbdf40cd1095ed6 Mon Sep 17 00:00:00 2001
From: Brent Erickson <berickson1@users.noreply.github.com>
Date: Wed, 6 May 2020 15:35:51 -0700
Subject: [PATCH] Fix #905 Ensure that json files are resolved if
 resolveJsonModule flag is set in tsconfig

---
 src/instances.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/instances.ts b/src/instances.ts
index c8b99c1e5..195f733d0 100644
--- a/src/instances.ts
+++ b/src/instances.ts
@@ -351,6 +351,13 @@ export function initializeInstance(
 }
 
 function getScriptRegexp(instance: TSInstance) {
+  // If resolveJsonModules is set, we should accept json files
+  if (instance.configParseResult.options.resolveJsonModule) {
+    // if allowJs is set then we should accept js(x) files
+    return instance.configParseResult.options.allowJs === true
+      ? /\.tsx?$|\.json$|\.jsx?$/i
+      : /\.tsx?$|\.json$/i;
+  }
   // if allowJs is set then we should accept js(x) files
   return instance.configParseResult.options.allowJs === true
     ? /\.tsx?$|\.jsx?$/i