ignore invalid variable names during injection of global params

1 files changed, 7 insertions, 2 deletions

diff --git a/lib/getImportGlobalsSrc.js b/lib/getImportGlobalsSrc.js
index 10dfe87..3c29c56 100644
--- a/lib/getImportGlobalsSrc.js
+++ b/lib/getImportGlobalsSrc.js
@@ -26,10 +26,15 @@ function getImportGlobalsSrc(ignore) {
             continue;
         }
         value = globalObj[key];
-        src += "var " + key + " = global." + key + "; ";
+
+        // key may be an invalid variable name (e.g. 'a-b')
+        try {
+          eval("var " + key + ";");
+          src += "var " + key + " = global." + key + "; ";
+        } catch(e) {}
     }
 
     return src;
 }
 
-module.exports = getImportGlobalsSrc;
\ No newline at end of file
+module.exports = getImportGlobalsSrc;