refactor(cli): use package to render boxes in the console output

This avoids having to figure out the length of each line manually.

bin/messages.js

@@ -1,8 +1,14 @@
 const chalk = require('chalk')
+const boxen = require('boxen')
 
 const DOCS_URL = chalk.green('https://thumbsup.github.io/docs')
 const ISSUES_URL = chalk.green('https://github.com/thumbsup/thumbsup/issues')
 
+function box (str) {
+  const lines = str.split('\n').map(s => `  ${s}  `).join('\n')
+  return boxen(lines)
+}
+
 exports.USAGE = () => `
 Usages:
   thumbsup [required] [options]
@@ -15,38 +21,30 @@ per argument, not including the leading "--". For example:
 { "sort-albums-by": "start-date" }
 `
 
-exports.SUCCESS = (stats) => `
-Gallery generated successfully
+exports.SUCCESS = (stats) => box(`
+Gallery generated successfully!
 ${stats.albums} albums, ${stats.photos} photos, ${stats.videos} videos
-`
+`)
 
-exports.GREETING = () => `
-┌──────────────────────────────────────────────────────────────────────────────┐
-│                                                                              │
-│ Thanks for using thumbsup!                                                   │
-│                                                                              │
-│ Don't forget to check out the docs at ${DOCS_URL}.       │
-│                                                                              │
-│ When building a gallery, thumbsup reports anonymous stats such as the OS and │
-│ gallery size. This is used to understand usage patterns & guide development  │
-│ effort. You can disable usage reporting by specifying --no-usage-stats.      │
-│                                                                              │
-│ This welcome message will not be shown again for this gallery.               │
-│ Enjoy!                                                                       │
-│                                                                              │
-└──────────────────────────────────────────────────────────────────────────────┘
-`
+exports.GREETING = () => box(`
+Thanks for using thumbsup!
 
-exports.SORRY = () => `
-┌──────────────────────────────────────────────────────────────────────────────┐
-│                                                                              │
-│ Something went wrong!                                                        │
-│                                                                              │
-│ An unexpected error occurred and the gallery didn't build successfully.      │
-│ This is most likely an edge-case that hasn't been tested before.             │
-│                                                                              │
-│ To help improve thumbsup and hopefully resolve your problem,                 │
-│ please raise an issue at ${ISSUES_URL}.        │
-│                                                                              │
-└──────────────────────────────────────────────────────────────────────────────┘
-`
+Don't forget to check out the docs at ${DOCS_URL}.
+
+When building a gallery, thumbsup reports anonymous stats such as the OS and
+gallery size. This is used to understand usage patterns & guide development
+effort. You can disable usage reporting by specifying --no-usage-stats.
+
+This welcome message will not be shown again for this gallery.
+Enjoy!
+`)
+
+exports.SORRY = () => box(`
+Something went wrong!
+
+An unexpected error occurred and the gallery didn't build successfully.
+This is most likely an edge-case that hasn't been tested before.
+
+To help improve thumbsup and hopefully resolve your problem,
+please raise an issue at ${ISSUES_URL}.
+`)

package.json

@@ -31,6 +31,7 @@
     "JSONStream": "^1.3.2",
     "async": "^2.5.0",
     "better-sqlite3": "^4.1.0",
+    "boxen": "^1.3.0",
     "chalk": "^2.4.1",
     "command-exists": "^1.2.6",
     "debug": "^3.1.0",