Fix offline schema, fix dep-graph for npm packaging (#117)

* fix: hotfix schema as number

* fix(nx-serverless): install deps for npm dependency graph

Need to run `npm install` when using npm packager in order for dependency graph to work properly

* cleanup(nx-serverless): run formatting

libs/nx-serverless/src/builders/offline/schema.json

@@ -31,7 +31,7 @@
     },
     "port": {
       "type": "number",
-      "default": "7777",
+      "default": 7777,
       "description": "The port to inspect the process on. Setting port to 0 will assign random free ports to all forked processes."
     },
     "runtimeArgs": {

libs/nx-serverless/src/utils/packagers/index.ts

@@ -127,6 +127,13 @@ export function preparePackageJson(
           join(options.package, packagerInstance.lockfileName),
           result.stdout.toString()
         );
+      } else if (packagerInstance === NPM) {
+        // need to install deps for dep-graph to work
+        const result = packagerInstance.install(dirname(packageJsonPath));
+        if (result.error) {
+          logger.error('ERROR: generating lock file!');
+          return of({ success: false, error: result.error.toString() });
+        }
       }
       // Get the packagelist with dependency graph and depth=2 level
       // review: Change depth to options?