Add base utils for generation

2 files changed, 26 insertions, 1 deletions

diff --git a/lib/parse/index.js b/lib/parse/index.js
index 042024b..58561fb 100644
--- a/lib/parse/index.js
+++ b/lib/parse/index.js
@@ -6,5 +6,6 @@ module.exports = {
     parseReadme:        require('./parseReadme'),
     parseConfig:        require('./parseConfig'),
     parsePagesList:     require('./parsePagesList'),
-    parseIgnore:        require('./parseIgnore')
+    parseIgnore:        require('./parseIgnore'),
+    listAssets:         require('./listAssets')
 };
diff --git a/lib/parse/listAssets.js b/lib/parse/listAssets.js
new file mode 100644
index 0000000..6159eda
--- /dev/null
+++ b/lib/parse/listAssets.js
@@ -0,0 +1,24 @@
+
+/**
+    List all assets in a book
+    Assets are file not ignored and not a page
+
+    @param {Book} book
+    @param {List<String>} pages
+    @param
+*/
+function listAssets(book, pages) {
+    var fs = book.getContentFS();
+
+    return fs.listAllFiles()
+    .then(function(files) {
+        return files.filterNot(function(file) {
+            return (
+                book.isContentFileIgnored(file) ||
+                pages.has(file)
+            );
+        });
+    });
+}
+
+module.exports = listAssets;