1 files changed, 35 insertions, 0 deletions
diff --git a/node_modules/fbjs/lib/everySet.js.flow b/node_modules/fbjs/lib/everySet.js.flow
new file mode 100644
index 000000000..cb81fdbf3
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+++ b/node_modules/fbjs/lib/everySet.js.flow
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+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @providesModule everySet
+ * @flow
+ * @typechecks
+ */
+
+'use strict';
+
+import type Set from './Set';
+
+/**
+ * The everySet() method tests whether all elements in the given Set pass the
+ * test implemented by the provided function.
+ */
+function everySet<T>(set: Set<T>, callback: (value: T, key: T, set: Set<T>) => boolean, context?: any): boolean {
+  var iterator = set.entries();
+  var current = iterator.next();
+  while (!current.done) {
+    var entry = current.value;
+    if (!callback.call(context, entry[1], entry[0], set)) {
+      return false;
+    }
+    current = iterator.next();
+  }
+  return true;
+}
+
+module.exports = everySet;
+\ No newline at end of file