From 84241fbcdc82a97f66bab67f41692e67592732f4 Mon Sep 17 00:00:00 2001
From: Adam Miskiewicz <adam@sk3vy.com>
Date: Wed, 25 Oct 2017 06:12:26 -0700
Subject: [PATCH] Make Animated.SpringAnimation JS compatible with Expo SDK 22
 (CRNA) native code (#16513)

---
 Libraries/Animated/src/__tests__/AnimatedNative-test.js | 6 ++++++
 Libraries/Animated/src/animations/SpringAnimation.js    | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/Libraries/Animated/src/__tests__/AnimatedNative-test.js b/Libraries/Animated/src/__tests__/AnimatedNative-test.js
index 28a32c89ec4..6d08fb90b39 100644
--- a/Libraries/Animated/src/__tests__/AnimatedNative-test.js
+++ b/Libraries/Animated/src/__tests__/AnimatedNative-test.js
@@ -595,11 +595,14 @@ describe('Native Animated', () => {
         {
           type: 'spring',
           friction: 16,
+          damping: 16,
+          mass: 1,
           initialVelocity: 0,
           overshootClamping: false,
           restDisplacementThreshold: 0.001,
           restSpeedThreshold: 0.001,
           tension: 679.08,
+          stiffness: 679.08,
           toValue: 10,
           iterations: 1,
         },
@@ -613,11 +616,14 @@ describe('Native Animated', () => {
         {
           type: 'spring',
           friction: 23.05223140901191,
+          damping: 23.05223140901191,
+          mass: 1,
           initialVelocity: 0,
           overshootClamping: false,
           restDisplacementThreshold: 0.001,
           restSpeedThreshold: 0.001,
           tension: 299.61882352941177,
+          stiffness: 299.61882352941177,
           toValue: 10,
           iterations: 1,
         },
diff --git a/Libraries/Animated/src/animations/SpringAnimation.js b/Libraries/Animated/src/animations/SpringAnimation.js
index 13f8c745b6e..e64e8e4ca59 100644
--- a/Libraries/Animated/src/animations/SpringAnimation.js
+++ b/Libraries/Animated/src/animations/SpringAnimation.js
@@ -120,6 +120,9 @@ class SpringAnimation extends Animation {
       restSpeedThreshold: this._restSpeedThreshold,
       tension: this._tension,
       friction: this._friction,
+      stiffness: this._tension,
+      damping: this._friction,
+      mass: 1,
       initialVelocity: withDefault(this._initialVelocity, this._lastVelocity),
       toValue: this._toValue,
       iterations: this.__iterations,