Fix descriptor and me leak with bad write queues

Node.js for some reason queues up writes from fs.writeFile causing
memory and descriptor leaks, preventing building large books. This is
now fixed

Fixes #336, fixes #454

1 files changed, 14 insertions, 1 deletions

diff --git a/lib/generate/fs.js b/lib/generate/fs.js
index 4c232e7..50219eb 100644
--- a/lib/generate/fs.js
+++ b/lib/generate/fs.js
@@ -64,7 +64,20 @@ var getFiles = function(path) {
 module.exports = {
     list: getFiles,
     readFile: Q.denodeify(fs.readFile),
-    writeFile: Q.denodeify(fs.writeFile),
+    //writeFile: Q.denodeify(fs.writeFile),
+    writeFile: function(filename, data, options) {
+        var d = Q.defer();
+
+        try {
+            fs.writeFileSync(filename, data, options)
+        } catch(err) {
+            d.reject(err);
+        }
+        d.resolve();
+
+
+        return d.promise;
+    },
     mkdirp: Q.denodeify(fsExtra.mkdirp),
     copy: Q.denodeify(fsExtra.copy),
     remove: Q.denodeify(fsExtra.remove),