Make userByName case-insensitive

src/modules/users.js

@@ -91,7 +91,7 @@ export const getters = {
   userById: state => id =>
     state.users.find(user => user.id === id),
   userByName: state => name =>
-    state.users.find(user => user.screen_name === name)
+    state.users.find(user => user.screen_name.toLowerCase() === name.toLowerCase())
 }
 
 export const defaultState = {

test/unit/specs/modules/users.spec.js

@@ -45,6 +45,17 @@ describe('The users module', () => {
       const expected = { screen_name: 'Guy', id: '1' }
       expect(getters.userByName(state)(name)).to.eql(expected)
     })
+
+    it('returns user with matching screen_name with different case', () => {
+      const state = {
+        users: [
+          { screen_name: 'guy', id: '1' }
+        ]
+      }
+      const name = 'Guy'
+      const expected = { screen_name: 'guy', id: '1' }
+      expect(getters.userByName(state)(name)).to.eql(expected)
+    })
   })
 
   describe('getUserById', () => {