feat(version): add workspace support

PR-URL: https://github.com/npm/cli/pull/3055
Credit: @wraithgar
Close: #3055
Reviewed-by: @darcyclarke

1 files changed, 18 insertions, 2 deletions

diff --git a/lib/base-command.js b/lib/base-command.js
index 91c7c5357..322fd8963 100644
--- a/lib/base-command.js
+++ b/lib/base-command.js
@@ -4,6 +4,7 @@ const ConfigDefinitions = require('./utils/config/definitions.js')
 
 class BaseCommand {
   constructor (npm) {
+    this.wrapWidth = 80
     this.npm = npm
   }
 
@@ -27,8 +28,7 @@ class BaseCommand {
       usage = `${usage}${this.constructor.usage.map(u => `npm ${this.constructor.name} ${u}`).join('\n')}`
 
     if (this.constructor.params)
-      // TODO word wrap this along params boundaries
-      usage = `${usage}\n\nOptions:\n[${this.constructor.params.map(p => ConfigDefinitions[p].usage).join('] [')}]`
+      usage = `${usage}\n\nOptions:\n${this.wrappedParams}`
 
     // Mostly this just appends aliases, this could be more clear
     usage = usageUtil(this.constructor.name, usage)
@@ -36,6 +36,22 @@ class BaseCommand {
     return usage
   }
 
+  get wrappedParams () {
+    let results = ''
+    let line = ''
+
+    for (const param of this.constructor.params) {
+      const usage = `[${ConfigDefinitions[param].usage}]`
+      if (line.length && (line.length + usage.length) > this.wrapWidth) {
+        results = [results, line].filter(Boolean).join('\n')
+        line = ''
+      }
+      line = [line, usage].filter(Boolean).join(' ')
+    }
+    results = [results, line].filter(Boolean).join('\n')
+    return results
+  }
+
   usageError (msg) {
     if (!msg) {
       return Object.assign(new Error(`\nUsage: ${this.usage}`), {