move splitPackageNames to its own module

1 files changed, 23 insertions, 0 deletions

diff --git a/lib/utils/split-package-names.js b/lib/utils/split-package-names.js
new file mode 100644
index 000000000..bb6e449ba
--- /dev/null
+++ b/lib/utils/split-package-names.js
@@ -0,0 +1,23 @@
+'use strict'
+
+const splitPackageNames = (path) => {
+  return path.split('/')
+    // combine scoped parts
+    .reduce((parts, part) => {
+      if (parts.length === 0)
+        return [part]
+
+      const lastPart = parts[parts.length - 1]
+      // check if previous part is the first part of a scoped package
+      if (lastPart[0] === '@' && !lastPart.includes('/'))
+        parts[parts.length - 1] += '/' + part
+      else
+        parts.push(part)
+
+      return parts
+    }, [])
+    .join('/node_modules/')
+    .replace(/(\/node_modules)+/, '/node_modules')
+}
+
+module.exports = splitPackageNames