Add immutable ignore instance for book

1 files changed, 42 insertions, 0 deletions

diff --git a/lib/models/ignore.js b/lib/models/ignore.js
new file mode 100644
index 0000000..499195e
--- /dev/null
+++ b/lib/models/ignore.js
@@ -0,0 +1,42 @@
+var Immutable = require('immutable');
+var IgnoreMutable = require('ignore');
+
+/*
+    Immutable version of node-ignore
+*/
+var Ignore = Immutable.Record({
+    ignore: new IgnoreMutable()
+}, 'Ignore');
+
+Ignore.prototype.getIgnore = function() {
+    return this.get('ignore');
+};
+
+/**
+    Test if a file is ignored by these rules
+
+    @param {String} filePath
+    @return {Boolean}
+*/
+Ignore.prototype.isFileIgnored = function(filename) {
+    var ignore = this.getIgnore();
+    return ignore.filter([filename]).length == 0;
+};
+
+/**
+    Add rules
+
+    @param {String}
+    @return {Ignore}
+*/
+Ignore.prototype.add = function(rule) {
+    var ignore = this.getIgnore();
+    var newIgnore = new IgnoreMutable();
+
+    newIgnore.add(ignore);
+    newIgnore.add(rule);
+
+    return this.set('ignore', newIgnore);
+};
+
+module.exports = Ignore;