Vuex: Doesn't change value of state by argument destructuring on mutations.

[gongzza]

demo

const store = new Vuex.Store({
  state: {
    text: 'hello'
  },
  mutations: {
    // don't work
    dontWork({text}, payload) {
      text = payload
    },
    // work
    work(state, payload) {
      state.text = payload
    }
  }
})

I can't use es6 argument destructuring on mutations?

[BartCorremans]

Assuming state.text is a string, the reason this doesn't work is because primitive types are passed by value in javascript. It would be the same as doing

```
let text = state.text;
text = payload; // state.text still has its old value

[fnlctrl]

^ What @BartCorremans said.

[gongzza]

Thank you. i got it.