refactor(ts): add warning for nuxt-ts deprecation (#5301)

distributions/nuxt-ts/bin/nuxt-ts.js

@@ -1,5 +1,46 @@
 #!/usr/bin/env node
 
+const boxen = require('boxen').default
+const chalk = require('chalk').default
+
+const warningBox = boxen([
+  chalk.yellow.bold('IMPORTANT : Package deprecation'),
+  '',
+  `Nuxt TypeScript Support has been refactored to be used with ${chalk.green.bold('nuxt')} package.`,
+  `Which means that ${chalk.yellow.bold(`nuxt-ts`)} package is now no longer needed and is now tagged as ${chalk.yellow.bold('deprecated')}.`,
+  `${chalk.bold.underline('We highly recommend')} to follow the guidelines below :`,
+  '',
+  chalk.yellow.bold('Migration guide (2.5.x)'),
+  '',
+  chalk.bold('Using yarn'),
+  'yarn remove nuxt-ts',
+  'yarn add nuxt',
+  'yarn add -D @nuxt/typescript',
+  '',
+  chalk.bold('Using npm'),
+  'npm uninstall nuxt-ts',
+  'npm install nuxt',
+  'npm install -D @nuxt/typescript',
+  '',
+  ` ----- ${chalk.bold('nuxt.config.ts')} -----`,
+  '| build: {                 |',
+  `| ${chalk.red('-- useForkTsChecker: ...')} |`,
+  `| ${chalk.green('++ typescript : {')}        |`,
+  `| ${chalk.green('++   typeCheck: ...')}      |`,
+  `| ${chalk.green('++ }')}                     |`,
+  '| }                        |',
+  ' --------------------------',
+  '',
+  'Find more information in updated docs : ' + chalk.blue.underline('https://nuxtjs.org/guide/typescript')
+].join('\n'), Object.assign({
+  borderColor: 'yellow',
+  borderStyle: 'round',
+  padding: 1,
+  margin: 1
+})) + '\n'
+
+process.stdout.write(warningBox)
+
 const suffix = require('../package.json').name.includes('-edge') ? '-edge' : ''
 require('@nuxt/cli' + suffix).run()
   .catch((error) => {