What is the best way to retrieve data from a REST API using Vuex store?

Question

What is the best way to retrieve data from a REST API using Vuex store?

I am currently utilizing Vuex to manage the state of my application.

In order to retrieve data from a rest API via an Ajax Get request and display a list of objects, I am dispatching an action to fetch this data from the server. However, I am unsure how to properly handle it within the component.

Currently, my code looks like this:

//component.js
created(){
      this.$store.dispatch("fetch").then(() => {
        this.objs = this.$store.state.objs;
      })
    }

Although this works, I believe there might be a more efficient way to manage store data instead of directly assigning it to a local property.

Is there a better approach to handling this using mapState or any other method?

Thank you!

javascript vue.js vuex

Answer 1

Answer №1

Discovering the right approach is a process of experimentation to find what suits you best. Here is my recommendation:

{ // the store
  state: {
    something: ''
  },
  mutations: {
    setSomething (state, something) {
      // an example of modifying before storing
      state.something = String(something)
    }
  },
    actions: {
      fetchSomething (store) {
        return fetch('/api/something')
          .then(data => {
            store.commit('setSomething', data.something)
            return store.state.something
          })
      })
    }
  }
}

{ // your component
  created () {
  this.$store
    .dispatch('fetchSomething')
    .then(something => {
      this.something = something
     })
    .catch(error => {
       // handle the error here!
     })
  }
}

For more detailed explanations, visit: https://vuex.vuejs.org/en/actions.html

If you are managing errors within the action itself, calling the action and using a computed property linked to the store value simplifies the process

{
  computed: {
    something () { // automatically updates
      return this.$store.state.something
    }
  },
  created () {
    this.$store.dispatch('loadSomething')
  }
}

Answer 2

Discovering the right approach is a process of experimentation to find what suits you best. Here is my recommendation:

{ // the store
  state: {
    something: ''
  },
  mutations: {
    setSomething (state, something) {
      // an example of modifying before storing
      state.something = String(something)
    }
  },
    actions: {
      fetchSomething (store) {
        return fetch('/api/something')
          .then(data => {
            store.commit('setSomething', data.something)
            return store.state.something
          })
      })
    }
  }
}

{ // your component
  created () {
  this.$store
    .dispatch('fetchSomething')
    .then(something => {
      this.something = something
     })
    .catch(error => {
       // handle the error here!
     })
  }
}

For more detailed explanations, visit: https://vuex.vuejs.org/en/actions.html

If you are managing errors within the action itself, calling the action and using a computed property linked to the store value simplifies the process

{
  computed: {
    something () { // automatically updates
      return this.$store.state.something
    }
  },
  created () {
    this.$store.dispatch('loadSomething')
  }
}

What is the best way to retrieve data from a REST API using Vuex store?

Answer №1

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