fix(core): handle specifying a prerelease version without a package when migrating (#11129)

packages/nx/src/command-line/migrate.spec.ts

@@ -768,6 +768,12 @@ describe('Migration', () => {
           targetVersion: '12.0.0',
         }
       );
+      expect(
+        parseMigrationsOptions({ packageAndVersion: '8.12.0-beta.0' })
+      ).toMatchObject({
+        targetPackage: '@nrwl/workspace',
+        targetVersion: '8.12.0-beta.0',
+      });
       expect(
         parseMigrationsOptions({ packageAndVersion: 'next' })
       ).toMatchObject({

packages/nx/src/command-line/migrate.ts

@@ -394,14 +394,14 @@ function parseTargetPackageAndVersion(args: string) {
     }
   } else {
     if (
-      args.match(/^\d+(?:\.\d+)?(?:\.\d+)?$/) ||
       args === 'latest' ||
-      args === 'next'
+      args === 'next' ||
+      valid(args) ||
+      args.match(/^\d+(?:\.\d+)?(?:\.\d+)?$/)
     ) {
       const targetVersion = normalizeVersionWithTagCheck(args);
       const targetPackage =
-        args.match(/^\d+(?:\.\d+)?(?:\.\d+)?$/) &&
+        !['latest', 'next'].includes(args) && lt(targetVersion, '14.0.0-beta.0')
-        lt(targetVersion, '14.0.0-beta.0')
           ? '@nrwl/workspace'
           : 'nx';