fix(types): pinch signature (wix#2758)

Author: zbrookle

detox/index.d.ts

@@ -1028,8 +1028,19 @@ declare global {
              * @example
              * await expect(element(by.id('PinchableScrollView'))).toBeVisible();
              * await element(by.id('PinchableScrollView')).pinchWithAngle('outward', 'slow', 0);
+             * @deprecated Should use pinch instead
              */
-            pinchWithAngle(direction: Direction, speed: Speed, angle: number): Promise<void>;
+            pinchWithAngle(direction: PinchDirection, speed: Speed, angle: number): Promise<void>;
+
+            /**
+             * Pinches with the given scale, speed, and angle. (iOS only)
+             * @param angle value in radiant, default is `0`
+             * @example
+             * await element(by.id('PinchableScrollView')).pinch(1.1);
+             * await element(by.id('PinchableScrollView')).pinch(2.0);
+             * await element(by.id('PinchableScrollView')).pinch(0.001);
+             */
+            pinch(scale: number, speed: Speed, angle: number): Promise<void>;
         }
 
         interface WebExpect<R = Promise<void>> {
@@ -1138,6 +1149,8 @@ declare global {
 
         type Direction = 'left' | 'right' | 'top' | 'bottom' | 'up' | 'down';
 
+        type PinchDirection = 'outward' | 'inward'
+
         type Orientation = 'portrait' | 'landscape';
 
         type Speed = 'fast' | 'slow';
@@ -1250,4 +1263,4 @@ declare global {
 }
 
 declare const detox: Detox.DetoxExportWrapper;
-export = detox;
+export = detox;