fix: remove postinstall script

Author: satya164

README.md

@@ -49,7 +49,7 @@ yarn example start
 
 The code in this repo uses the source from [`@react-navigation/stack`](https://github.com/react-navigation/navigation-ex/tree/master/packages/stack) and patches it to make it usable in React Navigation 4. If you need to make changes, please send a pull request there.
 
-If the change is specifically related to React Navigation 4 integration, change the files in `src/vendor` and then run `yarn patch` to update the patch file with the latest changes.
+If the change is specifically related to React Navigation 4 integration, first run `yarn sync`, then change the files in `src/vendor` and then run `yarn patch` to update the patch file with the latest changes.
 
 Make sure your code passes TypeScript and ESLint. Run the following to verify:
 

package.json

@@ -15,11 +15,12 @@
     "test": "jest",
     "lint": "eslint --ext .js,.ts,.tsx .",
     "typescript": "tsc --noEmit",
-    "postinstall": "bash scripts/sync-stack.sh",
     "prepare": "bob build",
+    "prerelease": "yarn sync",
     "release": "release-it",
     "example": "yarn --cwd example",
-    "bootstrap": "yarn example && yarn",
+    "bootstrap": "yarn example && yarn && yarn sync",
+    "sync": "bash scripts/sync-stack.sh",
     "patch": "diff -ruN node_modules/@react-navigation/stack/src src/vendor > scripts/stack.patch; printf ''"
   },
   "publishConfig": {

yarn.lock

@@ -1353,9 +1353,9 @@
     react-is "^16.8.6"
 
 "@react-navigation/core@^5.0.0-alpha.28":
-  version "5.0.0-alpha.27"
-  resolved "https://registry.yarnpkg.com/@react-navigation/core/-/core-5.0.0-alpha.27.tgz#40a209910e284635570d539eeb0bd6cecb9f8124"
-  integrity sha512-R/pIxAyJaORLlUFZlwenN92Llo4pyWNRZJ190JTHDqL5T17yD0jokXoketl3+CO+jUgwesZqy7M4pSiMdSiDqA==
+  version "5.0.0-alpha.28"
+  resolved "https://registry.yarnpkg.com/@react-navigation/core/-/core-5.0.0-alpha.28.tgz#284d07114e6dd93a2b0bc06d2a23e72f27ea3bf2"
+  integrity sha512-GkRGb2F3lxj+F2B/N1Fih1KFFX0B5fnMlsHvuY14uU/7aEOdS0pUeOMMLBzrpQx3FhJDMGm9mIh68j28NEU2eg==
   dependencies:
     escape-string-regexp "^2.0.0"
     query-string "^6.9.0"