From eef6a929de2c2aaacfcfbcd3fb200eecd6b7e2ac Mon Sep 17 00:00:00 2001
From: AJ ONeal <aj@daplie.com>
Date: Sun, 13 May 2018 13:05:30 -0600
Subject: [PATCH] handle undefined, log warning

---
 index.js | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 22c64fb..19ac5c3 100644
--- a/index.js
+++ b/index.js
@@ -4,6 +4,7 @@ var fs = require('fs');
 var sfs = require('safe-replace').create();
 
 function snakeCase(key) {
+  // TODO let user supply list of exceptions
   if ('tlsSni01Port' === key) {
     return 'tls_sni_01_port';
   }
@@ -92,7 +93,7 @@ function toPyVal(val) {
     if (-1 === val.indexOf(',')) {
       val += ','; // disambguates value from array with one element
     }
-    return val; 
+    return val;
   }
 
   return val && JSON.stringify(val);
@@ -116,6 +117,12 @@ function stringifyPythonConf(obj, cb) {
     var num = obj.__keys[key];
     var comment = '';
 
+    if ('undefined' === typeof pyval) {
+      if ('number' === typeof num) {
+        obj.__lines[num] = "___DELETE_ME___";
+      }
+      return;
+    }
 
     if ('number' !== typeof num) {
       obj.__lines.push(pykey + ' = ' + pyval);
@@ -127,6 +134,12 @@ function stringifyPythonConf(obj, cb) {
       return;
     }
 
+    if (!obj.__lines[num] || !obj.__lines[num].indexOf) {
+      console.warn('[pyconf] WARN index past array length:');
+      console.log(obj.__lines.length, num, obj.__lines[num]);
+      return;
+    }
+
     // restore comments
     if (-1 !== obj.__lines[num].indexOf('#')) {
       comment = obj.__lines[num].replace(/.*?(\s*#.*)/, '$1');