feat(workspaces): add --include-workspace-root and explicit --no-workspacesfritzy/workspace-root

Adds a new config item that includes the workspace root. This also changes
--workspaces to a trinary, so that setting it to false will explicitly exclude
workspaces altogether.

PR-URL: https://github.com/npm/cli/pull/3890
Credit: @fritzy
Close: #3890
Reviewed-by: @wraithgar

1 files changed, 20 insertions, 0 deletions

diff --git a/test/lib/ls.js b/test/lib/ls.js
index 5f196501e..46dfd7fba 100644
--- a/test/lib/ls.js
+++ b/test/lib/ls.js
@@ -110,6 +110,7 @@ const config = {
   'package-lock-only': false,
 }
 const flatOptions = {
+  workspacesEnabled: true,
 }
 const npm = mockNpm({
   config,
@@ -1530,6 +1531,25 @@ t.test('ls', (t) => {
       })
     })
 
+    await new Promise((res, rej) => {
+      config.all = false
+      config.depth = 0
+      npm.color = true
+      npm.flatOptions.workspacesEnabled = false
+      ls.exec([], (err) => {
+        if (err)
+          rej(err)
+
+        t.matchSnapshot(redactCwd(result),
+          'should not list workspaces with --no-workspaces')
+        config.all = true
+        config.depth = Infinity
+        npm.color = false
+        npm.flatOptions.workspacesEnabled = true
+        res()
+      })
+    })
+
     // --all
     await new Promise((res, rej) => {
       ls.exec([], (err) => {