From 09e09fb310cf98cfd9581425b6a75b013f7be74e Mon Sep 17 00:00:00 2001
From: eric thul <thul.eric@gmail.com>
Date: Sat, 25 Feb 2017 10:09:45 -0500
Subject: Adding an additional module check

---
 src/to-javascript.js | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/to-javascript.js b/src/to-javascript.js
index 0acf180..b402ad4 100644
--- a/src/to-javascript.js
+++ b/src/to-javascript.js
@@ -103,10 +103,19 @@ function makeJS(psModule, psModuleMap, js) {
   }
 
   const additionalImportsResult = additionalImports.map(import_ => {
-    const escapedPath = jsStringEscape(psModuleMap[import_].src);
+    const moduleValue = psModuleMap[import_];
 
-    return `var ${import_.replace(/\./g, '_')} = require("${escapedPath}")`;
-  }).join('\n');
+    if (!moduleValue) {
+      debug('module %s was not found in the map, skipping require', import_);
+
+      return null;
+    }
+    else {
+      const escapedPath = jsStringEscape(moduleValue.src);
+
+      return `var ${import_.replace(/\./g, '_')} = require("${escapedPath}")`;
+    }
+  }).filter(a => a !== null).join('\n');
 
   const result_ = result + (additionalImports.length ? '\n' + additionalImportsResult : '');
 
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