Discover the process of invoking the Vue Router within a custom function

In my VueCLI project, I have the following code snippet inside my methods:

submitCheck: function () {
function authUser() {
  // returns a promise   
}
function uploadFile() {
  // also returns a promise
}

// ...

if ( error !== null ) {
    EventBus.$emit('showError', error)
} else {
    authUser()
        .then(
            function () {
                return uploadFile();
            })
        .then(
            function (data) {
                EventBus.$emit('loaderStop')
                this.$router.push('/awaiting');
        })
        .catch(function(error) {
            EventBus.$emit('loaderStop')
                console.log(error)
        })
}

I am trying to figure out how to route to /awaiting once all promises are resolved. The issue is that since I am using this inside an anonymous function, I do not have access to the router. I'm sure many developers have encountered similar challenges and needed to navigate within a function. Any suggestions on how to accomplish this?

Kalreg.

Answer №1

There are various approaches to tackling this issue. I would recommend utilizing arrow functions and familiarizing yourself with their distinctions from other function styles.

Just to clarify: replace

function (data) {
    EventBus.$emit('loaderStop')
    this.$router.push('/awaiting');
}

with

data => {
    EventBus.$emit('loaderStop');
    this.$router.push('/awaiting');
}

Answer №2

Your question lacks clarity regarding the context. If the code is being executed in exponent methods, consider using an arrow function such as (agrs,...) => {...}. In other scenarios, you may utilize the bind function like (function() {}).bind(this). Alternatively, importing $router into your code module could also be a solution.

I hope this information proves beneficial to you.

Answer №3

Both Sandro and Xhua provided excellent answers. Let me elaborate on why you are encountering this error:

The issue lies with "this." It is referencing the parent object, which in your scenario is the authUser Object rather than Vue itself. To simplify it for you: You can define "var that = this" outside of your authUser object and then use "that." within it. Alternatively, you can opt for more advanced solutions.

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