add node_modules to address #4364

1 files changed, 54 insertions, 0 deletions

diff --git a/node_modules/when/cancelable.js b/node_modules/when/cancelable.js
new file mode 100644
index 000000000..7a4d08f66
--- /dev/null
+++ b/node_modules/when/cancelable.js
@@ -0,0 +1,54 @@
+/** @license MIT License (c) copyright B Cavalier & J Hann */
+
+/**
+ * cancelable.js
+ * @deprecated
+ *
+ * Decorator that makes a deferred "cancelable".  It adds a cancel() method that
+ * will call a special cancel handler function and then reject the deferred.  The
+ * cancel handler can be used to do resource cleanup, or anything else that should
+ * be done before any other rejection handlers are executed.
+ *
+ * Usage:
+ *
+ * var cancelableDeferred = cancelable(when.defer(), myCancelHandler);
+ *
+ * @author brian@hovercraftstudios.com
+ */
+
+(function(define) {
+define(function() {
+
+    /**
+     * Makes deferred cancelable, adding a cancel() method.
+	 * @deprecated
+     *
+     * @param deferred {Deferred} the {@link Deferred} to make cancelable
+     * @param canceler {Function} cancel handler function to execute when this deferred
+	 * is canceled.  This is guaranteed to run before all other rejection handlers.
+	 * The canceler will NOT be executed if the deferred is rejected in the standard
+	 * way, i.e. deferred.reject().  It ONLY executes if the deferred is canceled,
+	 * i.e. deferred.cancel()
+     *
+     * @returns deferred, with an added cancel() method.
+     */
+    return function(deferred, canceler) {
+        // Add a cancel method to the deferred to reject the delegate
+        // with the special canceled indicator.
+        deferred.cancel = function() {
+			try {
+				deferred.reject(canceler(deferred));
+			} catch(e) {
+				deferred.reject(e);
+			}
+
+			return deferred.promise;
+        };
+
+        return deferred;
+    };
+
+});
+})(typeof define === 'function' && define.amd ? define : function (factory) { module.exports = factory(); });
+
+