refactor(@angular/build): remove outdated version checks

Cleaned up legacy version-checking logic.

Author: alan-agius4

packages/angular/build/src/utils/version.ts

@@ -12,57 +12,43 @@ import { createRequire } from 'node:module';
 import { SemVer, satisfies } from 'semver';
 
 export function assertCompatibleAngularVersion(projectRoot: string): void | never {
-  let angularCliPkgJson;
   let angularPkgJson;
 
   // Create a custom require function for ESM compliance.
   // NOTE: The trailing slash is significant.
   const projectRequire = createRequire(projectRoot + '/');
 
   try {
-    const angularPackagePath = projectRequire.resolve('@angular/core/package.json');
-
-    angularPkgJson = projectRequire(angularPackagePath);
+    angularPkgJson = projectRequire('@angular/core/package.json');
   } catch {
-    console.error('You seem to not be depending on "@angular/core". This is an error.');
+    console.error(
+      'Error: It appears that "@angular/core" is missing as a dependency. Please ensure it is included in your project.',
+    );
 
     process.exit(2);
   }
 
-  if (!(angularPkgJson && angularPkgJson['version'])) {
+  if (!angularPkgJson?.['version']) {
     console.error(
-      'Cannot determine versions of "@angular/core".\n' +
-        'This likely means your local installation is broken. Please reinstall your packages.',
+      'Error: Unable to determine the versions of "@angular/core".\n' +
+        'This likely indicates a corrupted local installation. Please try reinstalling your packages.',
     );
 
     process.exit(2);
   }
 
-  try {
-    const angularCliPkgPath = projectRequire.resolve('@angular/cli/package.json');
-    angularCliPkgJson = projectRequire(angularCliPkgPath);
-    if (!(angularCliPkgJson && angularCliPkgJson['version'])) {
-      return;
-    }
-  } catch {
-    // Not using @angular-devkit/build-angular with @angular/cli is ok too.
-    // In this case we don't provide as many version checks.
-    return;
-  }
-
-  if (angularCliPkgJson['version'] === '0.0.0' || angularPkgJson['version'] === '0.0.0') {
-    // Internal CLI testing version or integration testing in the angular/angular
-    // repository with the generated development @angular/core npm package which is versioned "0.0.0".
+  const supportedAngularSemver = '0.0.0-ANGULAR-FW-PEER-DEP';
+  if (supportedAngularSemver.startsWith('0.0.0')) {
+    // Internal CLI testing version.
     return;
   }
 
-  const supportedAngularSemver = '0.0.0-ANGULAR-FW-PEER-DEP';
   const angularVersion = new SemVer(angularPkgJson['version']);
 
   if (!satisfies(angularVersion, supportedAngularSemver, { includePrerelease: true })) {
     console.error(
-      `This version of CLI is only compatible with Angular versions ${supportedAngularSemver},\n` +
-        `but Angular version ${angularVersion} was found instead.\n` +
+      `Error: The current version of "@angular/build" supports Angular versions ${supportedAngularSemver},\n` +
+        `but detected Angular version ${angularVersion} instead.\n` +
         'Please visit the link below to find instructions on how to update Angular.\nhttps://update.angular.dev/',
     );