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Last active Aug 4, 2020
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Webpack aliases with Laravel Mix

Step 1: configure Webpack aliases

// webpack.mix.js

const mix = require('laravel-mix')
const path = require('path')

// ...

mix.webpackConfig({
    resolve: {
        alias: {
            '@models$': path.resolve(__dirname, 'resources/js/models'),
            '@plugins$': path.resolve(__dirname, 'resources/js/plugins'),
            '@services$': path.resolve(__dirname, 'resources/js/services'),
            '@stores$': path.resolve(__dirname, 'resources/js/stores'),
            '@utils$': path.resolve(__dirname, 'resources/js/utils'),
        }
    }
})

// Alternatively, there is an extension for webpack alias that makes this a bit cleaner.
// @see https://laravel-mix.com/extensions/alias

Note the dollar sign ($) at the end of the alias names. This makes the alias is final. For example:

  • with @utils we can import @utils/dates/myDateFunction.js.
  • with @utils$ we cannot. Instead we have to expose that function in the index.js file.

Step 2: create index.js files

Create an index.js file at the root of each folder that has an alias to control what can be imported.

Scenario 1: named exports

Say inside that folder you have many files that export named variables like this.

// utils/strings.js

export const slugify = value => value.toLowerCase().replace(/[\s\W-]+/g, '-')
export const capitalize = value => value.charAt(0).toUpperCase() + value.slice(1).toLowerCase()
export const titleCase = value => value.replace(/\w[^\s-\_]*/g, capitalize)

Then, you can use the syntax export * from './file' in your index.js file since they are already named. Be careful with naming conflicts though.

// utils/index.js

export * from './dates'
export * from './strings'
export * from './common'
export * from './locale'

Scenario 2: default exports

However, if you use export default within each of these files you will have to give them a name in your index.js file.

For example, let's say you have a services folder where each service has its own file and that each file export the service using export default.

// services/Http.js

export default {
    get (url) { ... },
    post (url, data = {}) { ... },
    put (url, data = {}) { ... },
    patch (url, data = {}) { ... },
    delete (url) { ... },
    sendRequest (url, data = {}) { ... },
}

Then you need to export them in your index.js using export { default as MyService } from './my/service'.

// services/index.js

export { default as Echo } from './Echo'
export { default as Form } from './Form'
export { default as Http } from './Http'
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