refactor: add pacote to resolve template name instead of arborist workaround

apps/generator/lib/generator.js

@@ -7,6 +7,7 @@ const filenamify = require('filenamify');
 const git = require('simple-git');
 const log = require('loglevel');
 const Arborist = require('@npmcli/arborist');
+const pacote = require('pacote');
 const Config = require('@npmcli/config');
 const requireg = require('requireg');
 const npmPath = requireg.resolve('npm').replace('index.js','');
@@ -607,14 +608,15 @@ class Generator {
         saveType: 'prod',
         save: false
       });
+
+      const manifest = await pacote.manifest(this.templateName);
+      if (!manifest) throw new Error('Unable to resolve the name of the added package. It was most probably not added to node_modules successfully');
 
-      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 packageName = manifest.name;
       const packageVersion = installResult.children.get(packageName).version;
-      const packagePath = installResult.children.get(packageName).path;
 
+      const packagePath = installResult.children.get(packageName).path; 
+
       if (!isFileSystemPath(this.templateName)) log.debug(logMessage.templateSuccessfullyInstalled(packageName, packagePath));
       if (packageVersion) log.debug(logMessage.templateVersion(packageVersion));
 

apps/generator/package.json

@@ -67,6 +67,7 @@
     "minimatch": "^3.0.4",
     "node-fetch": "^2.6.0",
     "nunjucks": "^3.2.0",
+    "pacote": "^15.1.1", 
     "requireg": "^0.2.2",
     "resolve-from": "^5.0.0",
     "resolve-pkg": "^2.0.0",

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

@@ -1,7 +1,5 @@
 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;