From e63fe52e5b43a195eed9bdb45aadfacf71cfd890 Mon Sep 17 00:00:00 2001
From: Aria Buckles <aria@seesaw.me>
Date: Wed, 13 Mar 2019 13:46:28 -0700
Subject: [PATCH] Flow: Fix flow errors on flow 0.94.0

---
 package.json       |  2 +-
 simple-markdown.js | 13 ++++++-------
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/package.json b/package.json
index 23c80b4..0ab372d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-markdown",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "Javascript markdown parsing, made simple",
   "main": "simple-markdown.js",
   "scripts": {
diff --git a/simple-markdown.js b/simple-markdown.js
index d8bb509..00c0d27 100644
--- a/simple-markdown.js
+++ b/simple-markdown.js
@@ -20,7 +20,7 @@
  * the wonderful [marked.js](https://github.com/chjj/marked)
  *
  * LICENSE (MIT):
- * New code copyright (c) 2014 Khan Academy.
+ * New code copyright (c) 2014-2019 Khan Academy & Aria Buckles.
  *
  * Portions adapted from marked.js copyright (c) 2011-2014
  * Christopher Jeffrey (https://github.com/chjj/).
@@ -47,11 +47,9 @@
 /*::
 // Flow Type Definitions:
 
-type Capture = {
-  '0': string,
-  index?: number,
-  [number]: string,
-};
+type Capture =
+    Array<string> & {index: number} |
+    Array<string> & {index?: number};
 
 type Attr = string | number | boolean;
 
@@ -1023,7 +1021,8 @@ var defaultRules /* : DefaultRules */ = {
             var lastItemWasAParagraph = false;
             var itemContent = items.map(function(item, i) {
                 // We need to see how far indented this item is:
-                var space = LIST_ITEM_PREFIX_R.exec(item)[0].length;
+                var prefixCapture = LIST_ITEM_PREFIX_R.exec(item);
+                var space = prefixCapture ? prefixCapture[0].length : 0;
                 // And then we construct a regex to "unindent" the subsequent
                 // lines of the items by that amount:
                 var spaceRegex = new RegExp("^ {1," + space + "}", "gm");