Vue: How to access Vue instance from a function outside of its scope

Question

Vue: How to access Vue instance from a function outside of its scope

In my data object, there is a small section dedicated to creating a navigation menu. This menu contains buttons that should trigger specific functions. I decided to store these functions within the data object for clarity.

However, the issue arises when this does not return a Vue object. Despite attempting to incorporate the vm into the global scope, I am struggling to find an alternative solution.

Any thoughts or suggestions on how to approach this?

const data = {
  login: {
    title: "Log in",
    icon: "fa fa-sign-in",
    action: function () {
      console.log("Log in");
      // Here is where I aim to access the vm, possibly like this:
      // this.$root.showLoginBox();
    }
  }
}

javascript vue.js

Answer 1

Answer №1

In my opinion, it may not be the best practice to define functions outside of a Vue instance's scope that will be used by that instance.

However, if you absolutely must keep your data object where it is, you have the option to bind this to the function from within the Vue instance:

const data = {
  login: {
    action: function () {
      console.log(this)
    }
  }
}

new Vue({
  created() {
    data.login.action.bind(this)();
  }
})

You can view a working codepen example here.

Answer 2

In my opinion, it may not be the best practice to define functions outside of a Vue instance's scope that will be used by that instance.

However, if you absolutely must keep your data object where it is, you have the option to bind this to the function from within the Vue instance:

const data = {
  login: {
    action: function () {
      console.log(this)
    }
  }
}

new Vue({
  created() {
    data.login.action.bind(this)();
  }
})

You can view a working codepen example here.

Vue: How to access Vue instance from a function outside of its scope

Answer №1

Similar questions

Wait for Vue to assign data before running a function

Is it possible to delay the data until the JavaScript variable has been declared and finished?

Troubleshooting a TypeScript Problem with React Context

Is it possible to synchronously read a custom field from package.json?

What is the best way to target and manipulate the transform property of multiple div elements in JavaScript?

Creating a custom name for a specific node_module

Transferring information between components and pages within Next.js involves the passing of data

Using CSS or Javascript, you can eliminate the (textnode) from Github Gist lists

Using Paper Checkbox to Toggle the Visibility of a Div in Polymer

When attempting to retrieve data saved to req.session with express-session from a different endpoint, the data appears to be

Steps for incorporating a smooth transition effect into a modal popup as its height dynamically increases

Tips for sending properties to a Material-UI styled component

Loading screen featuring an outlined blueprint of design elements

Ways to enhance focus on childNodes using Javascript

Is it possible to update a nested array using the onChange function in useState?

Is it possible to directly alter state in React when utilizing MobX?

In TypeScript, the Select element does not contain an options property

Steps for modifying the values of a "Key-Value" pair within a nested array in MongoDB without inserting a new item

Error: The value of data.isbn is not defined

Utilizing Kendo for Dynamic HTML Element Connection