1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/react/promise/src/Deferred.php b/vendor/react/promise/src/Deferred.php
new file mode 100644
index 0000000..3ca034b
--- /dev/null
+++ b/vendor/react/promise/src/Deferred.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace React\Promise;
+
+class Deferred implements PromisorInterface
+{
+    private $promise;
+    private $resolveCallback;
+    private $rejectCallback;
+    private $notifyCallback;
+    private $canceller;
+
+    public function __construct(callable $canceller = null)
+    {
+        $this->canceller = $canceller;
+    }
+
+    public function promise()
+    {
+        if (null === $this->promise) {
+            $this->promise = new Promise(function ($resolve, $reject, $notify) {
+                $this->resolveCallback = $resolve;
+                $this->rejectCallback  = $reject;
+                $this->notifyCallback  = $notify;
+            }, $this->canceller);
+            $this->canceller = null;
+        }
+
+        return $this->promise;
+    }
+
+    public function resolve($value = null)
+    {
+        $this->promise();
+
+        \call_user_func($this->resolveCallback, $value);
+    }
+
+    public function reject($reason = null)
+    {
+        $this->promise();
+
+        \call_user_func($this->rejectCallback, $reason);
+    }
+
+    /**
+     * @deprecated 2.6.0 Progress support is deprecated and should not be used anymore.
+     * @param mixed $update
+     */
+    public function notify($update = null)
+    {
+        $this->promise();
+
+        \call_user_func($this->notifyCallback, $update);
+    }
+
+    /**
+     * @deprecated 2.2.0
+     * @see Deferred::notify()
+     */
+    public function progress($update = null)
+    {
+        $this->notify($update);
+    }
+}