Correctly clean and ignore output folder

1 files changed, 26 insertions, 1 deletions

diff --git a/lib/output/folder.js b/lib/output/folder.js
index 9964ecd..05843cd 100644
--- a/lib/output/folder.js
+++ b/lib/output/folder.js
@@ -30,7 +30,32 @@ module.exports = function folderOutput(Base) {
 
     // Prepare the generation by creating the output folder
     FolderOutput.prototype.prepare = function() {
-        return fs.mkdirp(this.root());
+        var that = this;
+
+        return Promise()
+        .then(function() {
+            return Base.prototype.prepare.apply(that);
+        })
+
+        // Cleanup output folder
+        .then(function() {
+            return fs.rmDir(that.root())
+            .fail(function() {
+                return Promise();
+            });
+        })
+
+        // Create output folder
+        .then(function() {
+            return fs.mkdirp(that.root());
+        })
+
+        // Add output folder to ignored files
+        .then(function() {
+            that.ignore.addPattern([
+                path.relative(that.book.root, that.root())
+            ]);
+        });
     };