Add immutable ignore instance for book

1 files changed, 5 insertions, 3 deletions

diff --git a/lib/parse/parseIgnore.js b/lib/parse/parseIgnore.js
index fafcc6f..d13663d 100644
--- a/lib/parse/parseIgnore.js
+++ b/lib/parse/parseIgnore.js
@@ -15,7 +15,7 @@ function parseIgnore(book) {
     var fs = book.getFS();
     var ignore = book.getIgnore();
 
-    ignore.addPattern([
+    ignore = ignore.add([
         // Skip Git stuff
         '.git/',
 
@@ -35,13 +35,15 @@ function parseIgnore(book) {
     return Promise.serie(IGNORE_FILES, function(filename) {
         return fs.readAsString(filename)
         .then(function(content) {
-            ignore.addPattern(content.toString().split(/\r?\n/));
+            ignore = ignore.add(content.toString().split(/\r?\n/));
         }, function(err) {
             return Promise();
         });
     })
 
-    .thenResolve(book);
+    .then(function() {
+        return book.setIgnore(ignore);
+    });
 }
 
 module.exports = parseIgnore;