Incorporating a mixin into your Vue application can be done either globally or locally. When a mixin is registered globally, it is accessible to all components. On the other hand, local registration limits the availability of the mixin to specific components only.
Global Registration: To globally register a mixin, simply include it in the main.js
file.
Note: There is no need to individually register the mixin in each component
// main.js
import myMixin from './mixins/myMixin'
Vue.mixin(myMixin) // allows the mixin to be used globally
new Vue({
// ...
}).$mount('#app')
// main.js
import myMixin from './mixins/myMixin'
const app = createApp(App)
app.mixin(myMixin) // enables global usage of the mixin
app.mount('#app')
Local Registration: To locally register a mixin, omit its inclusion in the main.js
file and instead register it within the specific component where it is needed
// componentWithMixin.vue
import myMixins from "../mixins/myMixin"
export default {
// ...
mixins: [myMixins] // import the mixin locally - without this step, the mixin will not be available
}