Unable to load ReCaptcha v2 during navigation in vue-router

Question

Unable to load ReCaptcha v2 during navigation in vue-router

After implementing Google ReCaptcha v2 to facilitate the registration process, I encountered an issue when users navigate to the registration page (/register) from the Homepage. The problem is that the reCaptcha fails to load in this scenario.

The script for loading Google ReCaptcha is included in layouts.master.php:

<script src="https://www.google.com/recaptcha/api.js" async defer></script>

In the Register Component, the reCaptcha is loaded as follows:

<div class="field">
    <div class="control" id="recaptcha-reg">
        <div class="g-recaptcha" data-sitekey="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"></div>
        <span v-if="regErrors.captcha" v-for="error in errors">{{ error }}</span>
    </div>
</div>

It's worth mentioning that the reCaptcha validation is carried out using PHP, with no JavaScript logic involved. Any assistance on resolving this issue would be greatly appreciated!

javascript vue.js recaptcha vue-router

Answer 1

Answer №1

If you're encountering a similar issue, here's the solution:

Make sure to assign an id to your reCaptcha widget.
Upon component creation, use setTimeout to render the widget.

For example:

<div id="recaptcha-main" class="g-recaptcha" data-sitekey="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"></div>

In the component where you want to load the captcha:

created() {
    setTimeout(() => {
        grecaptcha.render('recaptcha-main'); // 'recaptcha-main' is the assigned id
    }, 2000);
}

That's all there is to it!

UPDATE - A BETTER METHOD

Rather than using setTimeout, opt for nextTick() which waits until the view and its children have finished loading.

Assign the id and add this to your created hook:

this.$nextTick(function () {
    grecaptcha.render('recaptcha-main');
})

The downside of setTimeout is that it runs only after a specified time (e.g., 1 second). If your component takes longer to load, setTimeout may not work as intended.

I hope this resolves your issue :)

Answer 2

If you're encountering a similar issue, here's the solution:

Make sure to assign an id to your reCaptcha widget.
Upon component creation, use setTimeout to render the widget.

For example:

<div id="recaptcha-main" class="g-recaptcha" data-sitekey="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"></div>

In the component where you want to load the captcha:

created() {
    setTimeout(() => {
        grecaptcha.render('recaptcha-main'); // 'recaptcha-main' is the assigned id
    }, 2000);
}

That's all there is to it!

UPDATE - A BETTER METHOD

Rather than using setTimeout, opt for nextTick() which waits until the view and its children have finished loading.

Assign the id and add this to your created hook:

this.$nextTick(function () {
    grecaptcha.render('recaptcha-main');
})

The downside of setTimeout is that it runs only after a specified time (e.g., 1 second). If your component takes longer to load, setTimeout may not work as intended.

I hope this resolves your issue :)

Answer 3

Answer №2

Hey everyone! I found Damon's answer to be incredibly useful and awesome. To assist others in implementing it, I wanted to share some Vue component code:

created() { // add this to the component containing the reCAPTCHA
    window.sendMsg = this.sendMsg; // expose the callback function from the Vue object globally
    console.log('grecaptcha', grecaptcha);
    this.$nextTick(function() {
        grecaptcha.ready(function() { // ensure the reCAPTCHA script is loaded
            try {
                grecaptcha.render('invisibleRecaptcha1'); // render the plain reCAPTCHA element with the specified id
            } catch (err) { // ignore any errors as they are not critical
                err;
            }
        });
    });
}

The concept here is straightforward - include the Google script tag in the head, then utilize the basic static integration tag like so:

<button id="invisibleRecaptcha1" class="g-recaptcha" data-sitekey="6Lc7hdkZ**********************" data-callback="sendMsg" data-action="submit">Shout!</button>

In this snippet, sendMsg represents the function you wish to protect with reCAPTCHA.

Answer 4

Hey everyone! I found Damon's answer to be incredibly useful and awesome. To assist others in implementing it, I wanted to share some Vue component code:

created() { // add this to the component containing the reCAPTCHA
    window.sendMsg = this.sendMsg; // expose the callback function from the Vue object globally
    console.log('grecaptcha', grecaptcha);
    this.$nextTick(function() {
        grecaptcha.ready(function() { // ensure the reCAPTCHA script is loaded
            try {
                grecaptcha.render('invisibleRecaptcha1'); // render the plain reCAPTCHA element with the specified id
            } catch (err) { // ignore any errors as they are not critical
                err;
            }
        });
    });
}

The concept here is straightforward - include the Google script tag in the head, then utilize the basic static integration tag like so:

<button id="invisibleRecaptcha1" class="g-recaptcha" data-sitekey="6Lc7hdkZ**********************" data-callback="sendMsg" data-action="submit">Shout!</button>

In this snippet, sendMsg represents the function you wish to protect with reCAPTCHA.

Unable to load ReCaptcha v2 during navigation in vue-router

Answer №1

Answer №2

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