🐛 Handle empty path exception (#154)

zenika-open-source · Dec 7, 2017 · 3756f33 · 3756f33
1 parent c15e0cc
commit 3756f33
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diff --git a/packages/immutadot/src/core/apply.js b/packages/immutadot/src/core/apply.js
@@ -83,6 +83,8 @@ const apply = operation => {
   const curried = (pPath, ...args) => {
     const path = unsafeToPath(pPath)
 
+    if (path.length === 0) throw new TypeError('path should not be empty')
+
     const applier = (obj, appliedPaths = []) => {
       const walkPath = (curObj, curPath, remPath, isCopy = false) => {
         const [prop, ...pathRest] = remPath

diff --git a/packages/immutadot/src/core/apply.spec.js b/packages/immutadot/src/core/apply.spec.js
@@ -158,4 +158,8 @@ describe('Apply', () => {
       'nested.prop.0.arr.1.val',
     )
   })
+
+  it('should throw an explicit error when en empty path is given as parameter', () => {
+    expect(() => inc({}, '')).toThrowError('path should not be empty')
+  })
 })