From 9b9fc902b784090f4f6fafd866c7b35bf47f517f Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 27 Apr 2014 18:12:33 +0100
Subject: Throw error if somebody tries to use styleMapping()

---
 lib/index.js           |  4 ++++
 tests/mammoth.tests.js | 11 +++++++++++
 2 files changed, 15 insertions(+)

diff --git a/lib/index.js b/lib/index.js
index baae852..35bcbaf 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -25,3 +25,7 @@ function convertDocumentToHtml(documentResult, options) {
         return documentConverter.convertToHtml(document);
     });
 }
+
+exports.styleMapping = function() {
+    throw new Error('Use a raw string instead of mammoth.styleMapping e.g. "p[style-naming=\'Title\'] => h1" instead of mammoth.styleMapping("p[style-naming=\'Title\'] => h1")');
+};
diff --git a/tests/mammoth.tests.js b/tests/mammoth.tests.js
index 0c9519e..90b96e5 100644
--- a/tests/mammoth.tests.js
+++ b/tests/mammoth.tests.js
@@ -95,4 +95,15 @@ describe('mammoth', function() {
             assert.deepEqual(result.messages, []);
         });
     });
+    
+    test('using styleMapping throws error', function() {
+        try {
+            mammoth.styleMapping()
+        } catch (error) {
+            assert.equal(
+                error.message,
+                'Use a raw string instead of mammoth.styleMapping e.g. "p[style-naming=\'Title\'] => h1" instead of mammoth.styleMapping("p[style-naming=\'Title\'] => h1")'
+            );
+        }
+    });
 })
-- 
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