feat(nest): add migration to update Nest v6 to Nest v7

Author: beeman

packages/nest/migrations.json

@@ -4,6 +4,11 @@
       "version": "8.7.0-beta.1",
       "description": "Update Nest.js libraries",
       "factory": "./src/migrations/update-8-7-0/update-8-7-0"
+    },
+    "update-9-3-0.": {
+      "version": "9.3.0-beta.4",
+      "description": "Update Nest.js libraries",
+      "factory": "./src/migrations/update-9-3-0/update-9-3-0"
     }
   },
   "packageJsonUpdates": {
@@ -35,6 +40,35 @@
           "alwaysAddToPackageJson": false
         }
       }
+    },
+    "9.3.0": {
+      "version": "9.3.0-beta.4",
+      "packages": {
+        "@nestjs/common": {
+          "version": "^7.0.0",
+          "alwaysAddToPackageJson": false
+        },
+        "@nestjs/core": {
+          "version": "^7.0.0",
+          "alwaysAddToPackageJson": false
+        },
+        "@nestjs/platform-express": {
+          "version": "^7.0.0",
+          "alwaysAddToPackageJson": false
+        },
+        "@nestjs/schematics": {
+          "version": "^7.0.0",
+          "alwaysAddToPackageJson": false
+        },
+        "@nestjs/testing": {
+          "version": "^7.0.0",
+          "alwaysAddToPackageJson": false
+        },
+        "rxjs": {
+          "version": "^6.5.4",
+          "alwaysAddToPackageJson": true
+        }
+      }
     }
   }
 }

packages/nest/src/migrations/update-9-3-0/update-9-3-0.ts

@@ -0,0 +1,13 @@
+import { chain, Rule } from '@angular-devkit/schematics';
+import { formatFiles, updatePackagesInPackageJson } from '@nrwl/workspace';
+import * as path from 'path';
+
+export default function update(): Rule {
+  return chain([
+    updatePackagesInPackageJson(
+      path.join(__dirname, '../../../', 'migrations.json'),
+      '9.3.0'
+    ),
+    formatFiles(),
+  ]);
+}