Added default strings to prevent undefined customUsage and customHelp…

… from causing errors in data serialization.
author · Apr 5, 2020 · dc1bfa7 · dc1bfa7
1 parent be79054
commit dc1bfa7
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Showing 3 changed files with 5 additions and 5 deletions.
diff --git a/examples/cli/index.js b/examples/cli/index.js
@@ -121,7 +121,7 @@ shell.add(new Command({
 }))
 
 shell.use((data, next) => {
-  console.log('This middleware runs on very command.')
+  console.log('This middleware runs on every command.')
   next()
 })
 

diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@author.io/shell",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "A micro-framework for creating CLI-like experiences. This supports Node.js and browsers.",
   "main": "src/index.js",
   "scripts": {

diff --git a/src/command.js b/src/command.js
@@ -200,7 +200,7 @@ export default class Command {
   }
 
   get description () {
-    return this.#description || this.usage
+    return this.#description || this.usage || ''
   }
 
   get commandroot () {
@@ -223,8 +223,8 @@ export default class Command {
     const a = Array.from(this.#aliases)
     const msg = [`${this.commandroot}${a.length > 0 ? ' <' + a.join(', ') + '> ' : ''} [OPTIONS]`.trim()]
 
-    if (this.#description.trim().length > 0) {
-      msg.push('\n  ' + this.#description.trim())
+    if ((this.#description || '').trim().length > 0) {
+      msg.push('\n  ' + (this.#description || '').trim())
     }
     return msg.join('\n').trim()
   }