What is the solution to fixing the Vetur/Vuelidate issue where the error message "'validate' does not exist in type 'ComponentOptions<Vue [etc.]" is displayed?

QUERY: I'm facing an issue with error

'validations' does not exist in type 'ComponentOptions<Vue [etc.]
when using Vetur with TypeScript installed in VSCode. How can I resolve this?

CONTEXT: I integrated Vuelidate into a single-file Vue component by adding a validations property following the documentation. The project has TypeScript installed for improved intellisense in Vetur, although the <script> sections are written in JavaScript. After adding the validations prop, Vetur started showing the mentioned error along with breaking intellisense for methods like mount().

SNIPPET: Here is a simplified version of my code snippet where TypeScript installation is required to reproduce the Vetur error:

export default {
  data() {
    return {
      name: '',
    }
  },
  validations: {
    name: {
      required,
      minLength: minLength(4)
    },
  }
}

ACTIONS TAKEN: I attempted to fix the issue by adding @ts-ignore to the validations property, but it did not solve the problem of broken intellisense for method calls.

Answer №1

The correct course of action is:

  • execute
    npm install --save-dev @types/vuelidate
  • reboot VSCode

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