♻️ Put TypeError for empty path in nav

zenika-open-source · May 30, 2018 · 3fa0bd2 · 3fa0bd2
1 parent 53fc488
commit 3fa0bd2
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/packages/immutadot/src/nav/nav.js b/packages/immutadot/src/nav/nav.js
@@ -5,6 +5,8 @@ import { propsNav } from './propsNav'
 import { sliceNav } from './sliceNav'
 
 export function nav(path) {
+  if (path.length === 0) throw new TypeError('path should not be empty')
+
   return path.reduceRight((next, [type, value]) => toNav(type)(value, next), finalNav)
 }