update

node_modules/flatten/test.js

@@ -0,0 +1,25 @@
+var flatten = require('./index'),
+    util = require('util'),
+    assert = require('assert');
+
+[
+  [ [1, [ 2, 3]], [1, [2, 3]], 0],
+  [ [1, 2, 3 ], [1, 2, 3] ],
+  [ ['a', ['b', ['c']]], ['a', 'b', 'c'] ],
+  [ [2, [4, 6], 8, [[10]]], [2, 4, 6, 8, 10] ],
+  [ [1, [2, [3, [4, [5]]]]], [1, 2, 3, [4, [5]]], 2 ] // depth of 2
+].forEach(function (t) {
+  assert.deepEqual(flatten(t[0], t[2]), t[1], 
+    util.format('☠☠☠☠☠☠☠☠☠ %s ☠☠☠☠☠☠☠☠☠', formatCall(t))
+  );
+  console.log('✓ %s', formatCall(t));
+});
+
+function formatCall(t) {
+  if (typeof t[2] === 'undefined') {
+    return util.format('`flatten(%j) == %j`', t[0], t[1]);
+  }
+  else {
+    return util.format('`flatten(%j, %j) == %j`', t[0], t[2], t[1]);
+  }
+}