Fix: Merge opt.ignored and our custom ignore function (fixes #40)

index.js

@@ -10,6 +10,7 @@ var anymatch = require('anymatch');
 var defaultOpts = {
   delay: 200,
   events: ['add', 'change', 'unlink'],
+  ignored: [],
   ignoreInitial: true,
   queue: true,
 };
@@ -85,7 +86,7 @@ function watch(glob, options, cb) {
 
   var toWatch = positives.filter(exists);
 
-  opt.ignored = shouldBeIgnored;
+  opt.ignored = [].concat(opt.ignored, shouldBeIgnored);
   var watcher = chokidar.watch(toWatch, opt);
 
   function runComplete(err) {

test/index.js

@@ -319,4 +319,25 @@ describe('glob-watcher', function() {
 
     done();
   });
+
+  it('passes ignores through to chokidar', function(done) {
+    var ignored = [singleAdd];
+    watcher = watch(outGlob, {
+      ignored: ignored,
+    });
+
+    watcher.once('change', function(filepath) {
+      // It should never reach here
+      expect(filepath).toNotExist();
+      done();
+    });
+
+    // We default `ignoreInitial` to true, so always wait for `on('ready')`
+    watcher.on('ready', changeFile);
+
+    // Just test the non-mutation in this test
+    expect(ignored.length).toEqual(1);
+
+    setTimeout(done, 1500);
+  });
 });