From 1e23d035ce382d01051f974b253999d3f79c4eb9 Mon Sep 17 00:00:00 2001
From: David Anson <david@dlaa.me>
Date: Fri, 15 Jan 2016 22:00:34 -0800
Subject: [PATCH] Handle non-Array inputs for options.files.

---
 lib/markdownlint.js       |  7 ++++++-
 test/markdownlint-test.js | 13 +++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/lib/markdownlint.js b/lib/markdownlint.js
index 1603625f..36444d56 100644
--- a/lib/markdownlint.js
+++ b/lib/markdownlint.js
@@ -230,7 +230,12 @@ function markdownlint(options, callback) {
   // Normalize inputs
   options = options || {};
   callback = callback || function noop() {};
-  var files = (options.files || []).slice();
+  var files = [];
+  if (Array.isArray(options.files)) {
+    files = options.files.slice();
+  } else if (options.files) {
+    files = [ String(options.files) ];
+  }
   var strings = options.strings || {};
   var frontMatter = (options.frontMatter === undefined) ?
                       shared.frontMatterRe : options.frontMatter;
diff --git a/test/markdownlint-test.js b/test/markdownlint-test.js
index c70424bf..587eb840 100644
--- a/test/markdownlint-test.js
+++ b/test/markdownlint-test.js
@@ -643,6 +643,19 @@ module.exports.filesArrayNotModified = function filesArrayNotModified(test) {
   });
 };
 
+module.exports.filesArrayAsString = function filesArrayAsString(test) {
+  test.expect(2);
+  markdownlint({
+    "files": "README.md",
+    "config": { "MD013": false }
+  }, function callback(err, actual) {
+    test.ifError(err);
+    var expected = { "README.md": {} };
+    test.deepEqual(actual, expected, "Unexpected issues.");
+    test.done();
+  });
+};
+
 module.exports.missingOptions = function missingOptions(test) {
   test.expect(2);
   markdownlint(null, function callback(err, result) {