fix: improve npm installation by using pacote for package resolution

apps/generator/lib/generator.js

@@ -9,6 +9,7 @@ const log = require('loglevel');
 const Arborist = require('@npmcli/arborist');
 const Config = require('@npmcli/config');
 const requireg = require('requireg');
+const pacote = require('pacote');
 const npmPath = requireg.resolve('npm').replace('index.js','');
 
 const { isAsyncAPIDocument } = require('@asyncapi/parser/cjs/document');
@@ -604,11 +605,8 @@ class Generator {
         saveType: 'prod',
         save: false
       });
-
-      const addResult = arb[Symbol.for('resolvedAdd')];
-      if (!addResult) throw new Error('Unable to resolve the name of the added package. It was most probably not added to node_modules successfully');
-
-      const packageName = addResult[0].name;
+      const manifest = await pacote.manifest(this.templateName);
+      const packageName = manifest.name;
       const packageVersion = installResult.children.get(packageName).version;
       const packagePath = installResult.children.get(packageName).path;
 

apps/generator/package.json

@@ -63,8 +63,9 @@
     "fs.extra": "^1.3.2",
     "global-dirs": "^3.0.0",
     "jmespath": "^0.15.0",
+    "pacote": "^15.1.1",
     "js-yaml": "^3.13.1",
-    "levenshtein-edit-distance": "^2.0.5",
+    "levenshtein-edit-distance": "^2.0.5pacote",
     "loglevel": "^1.6.8",
     "minimatch": "^3.0.4",
     "node-fetch": "^2.6.0",

apps/generator/test/__mocks__/@npmcli/arborist.js

@@ -1,7 +1,4 @@
 const arb = jest.genMockFromModule('@npmcli/arborist');
-
-arb.prototype[Symbol.for('resolvedAdd')] = [{name: 'test'}];
-
 arb.prototype.reify = jest.fn(async (opt) => {
   const childrenMap = new Map();
   childrenMap.set('test', {path: './test'});

apps/generator/test/__mocks__/pacote/index.js

@@ -0,0 +1,9 @@
+const pacote = jest.genMockFromModule('pacote');
+
+pacote.manifest = jest.fn(async (templateName) => {
+  return {
+    name: 'test'
+  };
+});
+
+module.exports = pacote;