The role of export in vue

The export keyword in Vue.js is used to export components, directives, mixins, and methods for use in other modules or components. It can export: Components: used to expose components from a module for import and use in other modules. Directive: Used to expose directives from modules so that they can be registered in other modules using Vue.directive. Mixins: Used to expose mixins from a module so that they can be imported in other components using the mixins option. Method: used to expose methods from the module for import and use in other modules.

The role of export in Vue

In Vue.js, the export keyword Used to export components, directives, mixins, and methods for use in other modules or components.

Export components

export Components are a way to expose components from a module.

// MyComponent.vue
<template>
  <div>My Component</div>
</template>

export default {
  name: 'my-component'
}

In other modules, you can use import to import this component:

// main.js
import MyComponent from './MyComponent.vue'

new Vue({
  components: { MyComponent }
})

Export directive

export Directives are a way of exposing directives from modules.

// my-directive.js
export default {
  bind(el, binding) { },
  update(el, binding) { },
  unbind(el) { }
}

In other modules, you can use Vue.directive to register this directive:

// main.js
import myDirective from './my-directive.js'

Vue.directive('my-directive', myDirective)

Export mixin

export Mixins are a way to expose mixins from a module.

// my-mixin.js
export default {
  created() { },
  mounted() { },
  beforeDestroy() { }
}

In other components, this mixin can be imported using the mixins option:

// MyComponent.vue
<template>
  <div>My Component</div>
</template>

export default {
  mixins: [myMixin]
}

Export method

The export method is a way of exposing methods from a module.

// my-utils.js
export function myMethod() { }

In other modules, you can use import to import this method:

// main.js
import { myMethod } from './my-utils.js'

myMethod()

The above is the detailed content of The role of export in vue. For more information, please follow other related articles on the PHP Chinese website!