Tips on invoking a Stencil component function or method from beyond the Vue instance

Is it possible to trigger a function in a Stencil component from the parent Vue instance?

For example, I would like to call the callChild() method in the Vue instance, which will then trigger the doSomething() function in the Stencil component.

The main HTML file with Vue code that contains the Stencil component:

<body>
    <div id="app">
      <test-component :rules="[required, passwordRule]" :placeholder="placeholder" :label="label" :value="value" @valueChange="e => onValueChange"></test-component>
      {{value}}
      <button @click="foo()">Test</button>
    </div>
  </body>

...

Stencil component code:

import { h, Component, Element, Event, EventEmitter, State, Watch, Prop, Method } from '@stencil/core';

@Component({
  tag: 'test-component',
  styleUrl: 'test-component.css',
})
export class FormInputBase {
  @Element() el: HTMLElement;
  
...

Answer №1

Alright, here is the solution. To achieve this, you just need to utilize the ref attribute. Simply include the ref tag within the HTML element like so:

<test-component ref="form" :rules="[required, passwordRule]" :placeholder="placeholder" :label="label" :value="value" @valueChange="e => onValueChange"></test-component>

Subsequently, your Vue method should be structured as follows:

foo() {
          this.$refs.form.bar();
        },

In this case, bar() must match the exact name of the method present in your Stencil component.

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