Build: Fix final prompt for @grafana/ui npm publish confirmation

Fixes issue of the final confirmation prompt (the one to confirm the actual npm publish) being invisible, making it impossible to release by anyone but me.

Also, before the release is created I'm assuring previous release bundle is remove (otherwise tests and checks would fail)

scripts/cli/tasks/grafanaui.build.ts

@@ -7,7 +7,7 @@ import { Task, TaskRunner } from './task';
 
 let distDir, cwd;
 
-const clean = useSpinner<void>('Cleaning', async () => await execa('npm', ['run', 'clean']));
+export const clean = useSpinner<void>('Cleaning', async () => await execa('npm', ['run', 'clean']));
 
 const compile = useSpinner<void>('Compiling sources', () => execa('tsc', ['-p', './tsconfig.build.json']));
 

scripts/cli/tasks/grafanaui.release.ts

 import execa from 'execa';
 import { execTask } from '../utils/execTask';
-import { changeCwdToGrafanaUiDist, changeCwdToGrafanaUi } from '../utils/cwd';
+import { changeCwdToGrafanaUiDist, changeCwdToGrafanaUi, restoreCwd } from '../utils/cwd';
 import semver from 'semver';
 import inquirer from 'inquirer';
 import chalk from 'chalk';
 import { useSpinner } from '../utils/useSpinner';
-import { savePackage, buildTask } from './grafanaui.build';
+import { savePackage, buildTask, clean } from './grafanaui.build';
 import { TaskRunner, Task } from './task';
 
 type VersionBumpType = 'prerelease' | 'patch' | 'minor' | 'major';
@@ -81,12 +81,6 @@ const bumpVersion = (version: string) =>
 const publishPackage = (name: string, version: string) =>
   useSpinner<void>(`Publishing ${name} @ ${version} to npm registry...`, async () => {
     changeCwdToGrafanaUiDist();
-    console.log(chalk.yellowBright.bold(`\nReview dist package.json before proceeding!\n`));
-    const { confirmed } = await promptConfirm('Are you ready to publish to npm?');
-
-    if (!confirmed) {
-      process.exit();
-    }
     await execa('npm', ['publish', '--access', 'public']);
   })();
 
@@ -111,13 +105,18 @@ const releaseTaskRunner: TaskRunner<ReleaseTaskOptions> = async ({
   usePackageJsonVersion,
   createVersionCommit,
 }) => {
-  await runChecksAndTests();
+  changeCwdToGrafanaUi();
+  await clean(); // Clean previous build if exists
+  restoreCwd();
+
   if (publishToNpm) {
     // TODO: Ensure release branch
     // When need to update this when we star keeping @grafana/ui releases in sync with core
     await ensureMasterBranch();
   }
 
+  runChecksAndTests();
+
   await execTask(buildTask)();
 
   let releaseConfirmed = false;
@@ -169,6 +168,13 @@ const releaseTaskRunner: TaskRunner<ReleaseTaskOptions> = async ({
   }
 
   if (publishToNpm) {
+    console.log(chalk.yellowBright.bold(`\nReview dist package.json before proceeding!\n`));
+    const { confirmed } = await promptConfirm('Are you ready to publish to npm?');
+
+    if (!confirmed) {
+      process.exit();
+    }
+
     await publishPackage(pkg.name, nextVersion);
     console.log(chalk.green(`\nVersion ${nextVersion} of ${pkg.name} succesfully released!`));
     console.log(chalk.yellow(`\nUpdated @grafana/ui/package.json with version bump created.`));