Remove pre/post install hooks

.ado/windows-vs-pr.yml

@@ -50,6 +50,13 @@ jobs:
         submodules: false # set to 'true' for a single level of submodules or 'recursive' to get submodules of submodules
         persistCredentials: false # set to 'true' to leave the OAuth token in the Git config after the initial fetch
 
+      - task: CmdLine@2
+        displayName: Modify package.json to use unforked RN
+        inputs:
+          script: node scripts/modifyDevDepToUseUnforkedRN.js
+          workingDirectory: vnext
+        condition: and(succeeded(), eq(variables['UseRNFork'], 'false'))
+
       - task: CmdLine@2
         displayName: yarn install (Using microsoft/react-native)
         inputs:
@@ -65,7 +72,6 @@ jobs:
         inputs:
           script: yarn install
           workingDirectory: vnext
-        env: { UseRNFork: 'false' }
         condition: and(succeeded(), eq(variables['UseRNFork'], 'false'))
 
       - template: templates/stop-packagers.yml

vnext/Scripts/modifyDevDepToUseUnforkedRN.js

@@ -0,0 +1,16 @@
+/**
+ * Part of our CI loop verifies that react-native-windows can build against react-native, as well as the microsoft fork of react-native
+ * This script modifies package.json to have devDependencies that use standard react-native.
+ * @tscheck
+ * @format
+ */
+const path = require('path');
+const fs = require('fs');
+
+const pkgJsonPath = path.resolve(__dirname, '../package.json');
+let pkgJson = JSON.parse(fs.readFileSync(pkgJsonPath, 'utf8'));
+
+pkgJson.devDependencies['react-native'] = pkgJson.peerDependencies[
+  'react-native'
+].slice(0, pkgJson.peerDependencies['react-native'].indexOf(' '));
+fs.writeFileSync(pkgJsonPath, JSON.stringify(pkgJson, null, 2) + '\n');

vnext/package.json

@@ -10,8 +10,6 @@
   "description": "ReactNative Windows implementation using react-native's c++ ReactCommon bridge",
   "types": "index.d.ts",
   "scripts": {
-    "preinstall": "node Scripts/preInstall.js",
-    "postinstall": "node Scripts/postInstall.js",
     "build": "just-scripts build",
     "clean": "just-scripts clean",
     "start": "node Scripts/cli.js start",
@@ -51,15 +49,13 @@
     "@types/es6-promise": "0.0.32",
     "@types/react": "16.8.15",
     "@types/react-native": "~0.57.51",
-    "@typescript-eslint/eslint-plugin": "^1.5.0",
-    "@typescript-eslint/parser": "^1.5.0",
     "clang-format": "1.2.4",
     "eslint": "5.1.0",
     "eslint-plugin-prettier": "2.6.0",
     "just-scripts": "^0.24.2",
     "prettier": "1.13.6",
     "react": "16.8.3",
-    "react-native": "0.59.0-microsoft.16",
+    "react-native": "https://github.com/microsoft/react-native/archive/v0.59.0-microsoft.16.tar.gz",
     "typescript": "3.5.1"
   },
   "peerDependencies": {

vnext/yarn.lock

@@ -5191,9 +5191,9 @@ react-native-local-cli@^1.0.0-alpha.5:
     xcode "^1.0.0"
     xmldoc "^0.4.0"
 
-"react-native@https://github.com/Microsoft/react-native/archive/v0.59.0-microsoft.16.tar.gz":
+"react-native@https://github.com/microsoft/react-native/archive/v0.59.0-microsoft.16.tar.gz":
   version "0.59.0-microsoft.16"
-  resolved "https://github.com/Microsoft/react-native/archive/v0.59.0-microsoft.16.tar.gz#bf47c0c2cd52674aa8d7b5c3d57b679d2ff808a1"
+  resolved "https://github.com/microsoft/react-native/archive/v0.59.0-microsoft.16.tar.gz#bf47c0c2cd52674aa8d7b5c3d57b679d2ff808a1"
   dependencies:
     "@babel/core" "^7.4.0"
     "@babel/generator" "^7.4.0"