Can components in Vue.js share functions?

Within my application, there exists a plethora of utility functions that handle various tasks such as parsing strings and displaying toasts. My main inquiry is regarding how to access these functions within other .vue files without the need for redundant rewrites in each Vue component I create. Is it possible to import one component into another so that these utility functions can be utilized seamlessly? In my experience, Vue tends to require components to be added to the template of another in order to work properly, making simple JavaScript imports challenging. If importing components is indeed the solution, is this considered a best practice? What would be the most conventional approach to tackle this issue?

javascriptvue.js

Answer №1

Experience the power of Mixins

  1. Begin by importing the necessary component.

  2. Add the mixin array to your component just above the data section (or any suitable location)

    mixins:[yourimportedcomponent], data:....

  3. Invoke the desired method with this.theMethodYouWant();

For more details, check out https://v2.vuejs.org/v2/guide/mixins.html

Answer №2

If you want to simplify your code, consider creating a plugin that exposes functions on Vue. You can find more information in the Plugins documentation.

// Group utility functions together
Vue.prototype.$utils = {
    funcA: function () {  ...  },
    funcB: function () {  ...  }
}

Alternatively, you could consolidate all functions into a common utilities module, such as src/utils.js. Then each Vue component can import them as needed:

// src/utils.js
const funcA = () => {
    console.log('funcA');
}

const funcB = () => {
    console.log('funcB');
}

export { funcA, funcB }

// VueComponentA.vue
import { funcA } from 'path/to/utils';

// VueComponentB.vue
import { funcB } from 'path/to/utils';

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