fix: belongsToMany is return [] if nothing references records

vuex-orm · Feb 17, 2019 · e30347d · e30347d
1 parent 07e066c
commit e30347d
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/src/attributes/relations/BelongsToMany.ts b/src/attributes/relations/BelongsToMany.ts
@@ -112,7 +112,7 @@ export default class BelongsToMany extends Relation {
     collection.forEach((item) => {
       const related = relateds[item[this.parentKey]]
 
-      item[name] = related
+      item[name] = related || []
     })
   }
 

diff --git a/test/feature/relations/BelongsToMany_Retrieve.spec.js b/test/feature/relations/BelongsToMany_Retrieve.spec.js
@@ -248,7 +248,7 @@ describe('Feature – Relations – Belongs To Many – Retrieve', () => {
     createStore([{ model: User }, { model: Role }, { model: RoleUser }])
 
     await User.create({
-      data: { id: 1 }
+      data: [ { id: 1 }, { id: 2} ]
     })
 
     await Role.create({
@@ -264,5 +264,7 @@ describe('Feature – Relations – Belongs To Many – Retrieve', () => {
     expect(users[0].id).toBe(1)
     expect(users[0].roles.length).toBe(1)
     expect(users[0].roles[0].id).toBe(1)
+
+    expect(users[1].roles.length).toBe(0)
   })
 })