/vue3-recaptcha-v2

reCAPTCHA v2 for Vue3 : CompositionAPI, Types

Primary LanguageTypeScriptMIT LicenseMIT

vue3-recaptcha-v2

GitHub package.json version npm bundle size NPM

reCAPTCHA v2 for Vue3 and Nuxt3.

Installation

install the packge from yarn:

$ yarn add vue3-recaptcha-v2

In Vue3, add it to your main.ts file:

import { createApp } from "vue";
import App from "./App.vue";

import { install } from "vue3-recaptcha-v2";

createApp(App)
  .use(install, {
    sitekey: "YOUT_SITE_KEY",
    cnDomains: false, // Optional, If you use in China, set this value true
  })
  .mount("#app");

In Nuxt3, add it to your plugin folder:

The file name must contain the .client.

// <ProjectRoot>/plugins/recaptcha.client.ts
import { install } from "vue3-recaptcha-v2";

export default defineNuxtPlugin((nuxtApp) => {
  nuxtApp.vueApp.use(install, {
    sitekey: "YOUT_SITE_KEY",
    cnDomains: false,
  });
});

More detail about install options, you can check this Install Options

Usage

The components used are the same for Vue3 and Nuxt3. Only the installation is different.

For more information, including the props to change the language(hl option), check Component Options

<script setup lang="ts">
import { RecaptchaV2 } from "vue3-recaptcha-v2";

const handleWidgetId = (widgetId: number) => {
  console.log("Widget ID: ", widgetId);
};
const handleErrorCalback = () => {
  console.log("Error callback");
};
const handleExpiredCallback = () => {
  console.log("Expired callback");
};
const handleLoadCallback = (response: unknown) => {
  console.log("Load callback", response);
};
</script>

<template>
  <RecaptchaV2
    @widget-id="handleWidgetId"
    @error-callback="handleErrorCalback"
    @expired-callback="handleExpiredCallback"
    @load-callback="handleLoadCallback"
  />
</template>

Invisible widget

<script setup lang="ts">
import { RecaptchaV2, useRecaptcha } from "vue3-recaptcha-v2";

const { handleExecute } = useRecaptcha();

const handleWidgetId = (widgetId: number) => {
  console.log("Widget ID: ", widgetId);
  handleExecute(widgetId);
};
</script>

<template>
  <RecaptchaV2 @widget-id="handleWidgetId" size="invisible" />
</template>

Reset widget

Resets the reCAPTCHA widget.

<script setup lang="ts">
import { RecaptchaV2, useRecaptcha } from "vue3-recaptcha-v2";

const { handleReset } = useRecaptcha();

const handleWidgetId = (widgetId: number) => {
  console.log("Widget ID: ", widgetId);
  handleReset(widgetId);
};
</script>

<template>
  <RecaptchaV2 @widget-id="handleWidgetId" />
</template>

Get response widget

Gets the response for the reCAPTCHA widget.

<script setup lang="ts">
import { RecaptchaV2, useRecaptcha } from "vue3-recaptcha-v2";

const { handleGetResponse } = useRecaptcha();

const handleWidgetId = (widgetId: number) => {
  console.log("Widget ID: ", widgetId);
  handleGetResponse(widgetId);
};
</script>

<template>
  <RecaptchaV2 @widget-id="handleWidgetId" />
</template>

Options

Install Options

Options Type Required Description
sitekey string true recaptcha siteKey
cnDomains string default is false. if you set true, script url is replace www.google.com with www.recaptcha.net

Component Options

Props

Options Type Required Description
language string recaptcha language, you can find code in language code
theme light | dark default is light, recaptcha theme
tabindex number default is 0, tabindex
size normal | comapact | invisible default is normal, recaptcha widget size

emits

Options Type Required Description
widget-id (value:number)=>void when recaptcha widget is created, return widgetId
error-callback ()=>void The name of your callback function, executed when reCAPTCHA encounters an error (usually network connectivity) and cannot continue until connectivity is restored. If you specify a function here, you are responsible for informing the user that they should retry.
expired-callback ()=>void The name of your callback function, executed when the reCAPTCHA response expires and the user needs to re-verify.
load-callback (response:unknown)=>void The name of your callback function, executed when the user submits a successful response. The g-recaptcha-response token is passed to your callback.