Expose callback-style convertDocumentToHtml in browser module

1 files changed, 20 insertions, 13 deletions

diff --git a/lib/browser.js b/lib/browser.js
index 5a8d70a..67597fe 100644
--- a/lib/browser.js
+++ b/lib/browser.js
@@ -2,10 +2,14 @@ var q = require("q");
 var mammoth = require("./");
 
 
-module.exports = Object.create(mammoth);
+exports.fileInput = fileInput;
+exports.readFileInputOnChange = readFileInputOnChange;
 
-module.exports.fileInput = fileInput;
-module.exports.readFileInputOnChange = readFileInputOnChange;
+exports.convertDocumentToHtml = function() {
+    var args = Array.slice(arguments, 0, arguments.length - 1);
+    var callback = arguments[arguments.length - 1];
+    satisfyCallback(mammoth.convertDocumentToHtml.apply(this, arguments), callback);
+};
 
 function readFileInputOnChange(inputElement, callback) {
     function handleFileSelect(event) {
@@ -16,11 +20,8 @@ function readFileInputOnChange(inputElement, callback) {
         reader.onload = function(loadEvent) {
             var arrayBuffer = loadEvent.target.result;
             try {
-                mammoth.read({file: openFile(arrayBuffer)})
-                    .then(callback, function(error) {
-                        callback({error: error});
-                    })
-                    .done();
+                var file = openFile(arrayBuffer);
+                satisfyCallback(mammoth.read({file: file}), callback);
             } catch (error) {
                 callback({error: error});
             }
@@ -37,11 +38,10 @@ function fileInput(inputElement, callback) {
             callback(documentResult);
         } else {
             var options = mammoth.standardOptions;
-            mammoth.convertDocumentToHtml(documentResult, options)
-                .then(callback, function(error) {
-                    callback({error: error});
-                })
-                .done();
+            satisfyCallback(
+                mammoth.convertDocumentToHtml(documentResult, options),
+                callback
+            );
         }
             
     });
@@ -68,3 +68,10 @@ function openFile(arrayBuffer) {
         read: read
     };
 }
+
+
+function satisfyCallback(promise, callback) {
+    promise.then(callback, function(error) {
+        callback({error: error});
+    }).done();
+}