From 28254f95c0792cb4370619c23ddf9d6d1b3c5e63 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Wed, 16 Sep 2026 23:45:55 +0100
Subject: Ensure also method is defined once

---
 lib/promises.js | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

(limited to 'lib')

diff --git a/lib/promises.js b/lib/promises.js
index 2a007c2..0c109c6 100644
--- a/lib/promises.js
+++ b/lib/promises.js
@@ -22,16 +22,17 @@ var props = exports.props = function(obj) {
     return addAlsoToPromise(result);
 };
 
-function addAlsoToPromise(promise) {
-    promise.also = function(func) {
-        var result = this.then(function(value) {
-            var returnValue = _.extend({}, value, func(value));
-            return props(returnValue);
-        });
+var alsoMethod = function(func) {
+    var result = this.then(function(value) {
+        var returnValue = _.extend({}, value, func(value));
+        return props(returnValue);
+    });
 
-        return addAlsoToPromise(result);
-    };
+    return addAlsoToPromise(result);
+};
 
+function addAlsoToPromise(promise) {
+    promise.also = alsoMethod;
     return promise;
 }
 
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