From cf0be59ad58377f55481a17c4e0ecb705624e37d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Barbet?= <jeremgraph@gmail.com>
Date: Fri, 10 Apr 2020 09:08:15 +0000
Subject: [PATCH] feat: add threshold props made by @adrianso

---
 docs/PROPSMETHODS.md | 8 ++++++++
 src/index.tsx        | 5 +++--
 src/options.ts       | 6 ++++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/docs/PROPSMETHODS.md b/docs/PROPSMETHODS.md
index f093c64e..75681d77 100644
--- a/docs/PROPSMETHODS.md
+++ b/docs/PROPSMETHODS.md
@@ -124,6 +124,14 @@ A number that determines the momentum of the scroll required.
 | -------- | -------- | ------- |
 | number   | No       | `0.05`  |
 
+### `threshold`
+
+Number of pixels that the user must drag the modal before snapping to another position.
+
+| Type     | Required | Default |
+| -------- | -------- | ------- |
+| number   | No       | `150`   |
+
 ### `adjustToContentHeight`
 
 Shrink the modal to your content's height.
diff --git a/src/index.tsx b/src/index.tsx
index 85a741c2..ba990fe6 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -38,7 +38,6 @@ const AnimatedKeyboardAvoidingView = Animated.createAnimatedComponent(KeyboardAv
 const AnimatedFlatList = Animated.createAnimatedComponent(FlatList);
 const AnimatedSectionList = Animated.createAnimatedComponent(SectionList);
 const GestureHandlerWrapper = GestureHandlerRootView ?? View;
-const THRESHOLD = 150;
 const ACTIVATED = 20;
 const PAN_DURATION = 150;
 
@@ -73,6 +72,7 @@ export class Modalize<FlatListItem = any, SectionListItem = any> extends React.C
       timing: { duration: 280, easing: Easing.ease },
     },
     dragToss: 0.05,
+    threshold: 150,
   };
 
   private snaps: number[] = [];
@@ -460,6 +460,7 @@ export class Modalize<FlatListItem = any, SectionListItem = any> extends React.C
       dragToss,
       onPositionChange,
       panGestureAnimatedValue,
+      threshold,
     } = this.props;
     const { timing } = closeAnimationConfig!;
     const { lastSnap, modalHeight, overlay } = this.state;
@@ -492,7 +493,7 @@ export class Modalize<FlatListItem = any, SectionListItem = any> extends React.C
           }
         });
       } else if (
-        translationY > (adjustToContentHeight ? (modalHeight || 0) / 3 : THRESHOLD) &&
+        translationY > (adjustToContentHeight ? (modalHeight || 0) / 3 : threshold) &&
         this.beginScrollYValue === 0 &&
         !alwaysOpen
       ) {
diff --git a/src/options.ts b/src/options.ts
index 06fd02e5..1a4ea66a 100644
--- a/src/options.ts
+++ b/src/options.ts
@@ -122,6 +122,12 @@ export interface IProps<FlatListItem = any, SectionListItem = any> {
    */
   dragToss: number;
 
+  /**
+   * Number of pixels that the user must drag the modal before snapping to another position.
+   * @default 150
+   */
+  threshold: number;
+
   /**
    * Shrink the modal to your content's height.
    * @default false