chore(linter): optimize e2e tests (#20718)

e2e/eslint/src/linter.test.ts

@@ -26,7 +26,9 @@ describe('Linter', () => {
     let projScope;
 
     beforeAll(() => {
-      projScope = newProject();
+      projScope = newProject({
+        packages: ['@nx/react', '@nx/js', '@nx/eslint'],
+      });
       runCLI(`generate @nx/react:app ${myapp} --tags=validtag`);
       runCLI(`generate @nx/js:lib ${mylib}`);
     });
@@ -619,7 +621,11 @@ describe('Linter', () => {
   });
 
   describe('Root projects migration', () => {
-    beforeEach(() => newProject());
+    beforeEach(() =>
+      newProject({
+        packages: ['@nx/react', '@nx/js', '@nx/angular', '@nx/node'],
+      })
+    );
     afterEach(() => cleanupProject());
 
     function verifySuccessfulStandaloneSetup(myapp: string) {
@@ -773,6 +779,7 @@ describe('Linter', () => {
       newProject({
         name: uniq('eslint'),
         unsetProjectNameAndRootFormat: false,
+        packages: ['@nx/react'],
       });
     });
 

e2e/utils/create-project-utils.ts

@@ -29,7 +29,7 @@ import {
   RunCmdOpts,
   runCommand,
 } from './command-utils';
-import { output } from '@nx/devkit';
+import { output, readJsonFile } from '@nx/devkit';
 import { readFileSync } from 'fs';
 import { join } from 'path';
 import { resetWorkspaceContext } from 'nx/src/utils/workspace-context';
@@ -143,8 +143,16 @@ export function newProject({
     const projectDirectory = tmpProjPath();
     copySync(`${tmpBackupProjPath()}`, `${projectDirectory}`);
 
-    // TODO: What is this for?
+    const dependencies = readJsonFile(
-    if (packageManager === 'pnpm') {
+      `${projectDirectory}/package.json`
+    ).devDependencies;
+    const missingPackages = (packages || []).filter((p) => !dependencies[p]);
+
+    if (missingPackages.length > 0) {
+      packageInstall(missingPackages.join(` `), projName);
+    } else if (packageManager === 'pnpm') {
+      // pnpm creates sym links to the pnpm store,
+      // we need to run the install again after copying the temp folder
       execSync(getPackageManagerCommand().install, {
         cwd: projectDirectory,
         stdio: 'pipe',