What is the most efficient method for importing mixins into vue.js?

Within my project, I have developed numerous mixins. Currently, my approach involves importing all of these mixins in the 'mixins/index.js' file and then importing them as needed in various components or pages.

However, I am now questioning whether this method results in importing unnecessary mixins along with the ones I actually need.

For instance, if I have the following mixins created and imported in 'mixins/index.js':

import a from 'mixins/a.js'
import b from 'mixins/b.js'
import c from 'mixins/c.js'
import d from 'mixins/d.js'
import e from 'mixins/e.js'

export {
  a,
  b,
  c,
  d,
  e
}

Now, let's say that in my 'x' component, I only require the 'a' mixin:

import { a } from 'mixins/index.js'

export default {
  mixins: [a]
}

In this particular scenario, I specifically need the 'a' mixin for my 'x' component. However, since I am importing from 'mixins/index.js', where all mixins are statically imported, I am uncertain if unwanted mixins will also be loaded.

Answer №1

Using <code>import { a } from './mixins'
will only bring in the specific module you request, but if you use:

import * as mixins from './mixins'

then

mixins:[mixins.a]

it will import all modules, as detailed here

Answer №2

To simplify your code, you can import individual minmins files in an index file like this:

index.js

import a from '../mixins/a.js'
import b from '../mixins/b.js'
import c from '../mixins/c.js'
import d from '../mixins/d.js'
import e from '../mixins/e.js'

export {a, b, c, d, e}

Then, in your component, you can selectively import modules from the index file like so:

x component

import {a, b} from "../mixins"

This way, you only import the specific modules you need rather than importing all modules from index.js.

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