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vanilla-hcaptcha

Vanilla Web Component for hCaptcha. 0 dependencies. <1kb gzipped.

1.0.3

latest

npm

Version published: yesterday

Maintainers: 1

Weekly downloads: 541; increased by43.12%

Install size: 34.3 kB

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Source

⚠️This project was moved to @hcaptcha/vanilla-hcaptcha.⚠️

hCaptcha - Vanilla Web Component

A Vanilla Web Component wrapper for hCaptcha. It allows for easy integration with hCaptcha in many modern web frameworks.

0 dependencies. <1kb gzipped. Integrates well with Vue.JS, React, Preact, Angular, etc.

Install | Usage | Attributes | Events | Methods

Install

Use your favorite package manager:

yarn add vanilla-hcaptcha

npm install vanilla-hcaptcha

Or via cdn:

<script src="https://cdn.jsdelivr.net/npm/vanilla-hcaptcha"></script>

Usage

Being a vanilla web component, it is relatively easy to integrate in mainstream web frameworks such as: React, Preact, Vue.js, Angular, Stencil.js, etc. See below some examples.

Vue.JS
React
Preact
Angular 2+
Angular.JS
Vanilla
You can find more examples in the <root>/examples/cdn directory.

Vue.JS

Example: display invisible hCaptcha and render programmatically.

Import once in application (main.js). Ignore the custom element.

import "vanilla-hcaptcha";

Vue.config.ignoredElements = [
  "h-captcha"
];

Add handling methods

methods: {
    onError(e) {
      console.log('hCaptcha error: ', e);
    },
    onCaptchaVerified(e) {
      console.log("Captcha is verified", { token: e.token, eKey: e.eKey });
    }
}

Integrate in your vue component

<template>
    ...
    <h-captcha site-key="781559eb-513a-4bae-8d29-d4af340e3624"
               size="invisible"
               @error="onError"
               @verified="onCaptchaVerified"></h-captcha>
    ...
</template>

React.JS and Preact

Example: display normal size hCaptcha with dark theme.

Import once in application (index.js).
```
import 'vanilla-hcaptcha';
```

Add event handler after mount

componentDidMount() {
    const signupCaptcha = document.getElementById('signupCaptcha');
    signupCaptcha.addEventListener('verified', (e) => {
      console.log('verified event', { token: e.token });
    });
}

Integrate in your html template

 <h-captcha id="signupCaptcha"
            site-key="781559eb-513a-4bae-8d29-d4af340e3624"
            size="normal"
            theme="dark"></h-captcha>

Angular

Example: display default hCaptcha.

Import once in application (main.ts).
```
import 'vanilla-hcaptcha';
```
Add CUSTOM_ELEMENTS_SCHEMA to @NgModule.schemas

Integrate in your html template

 <h-captcha [attr.site-key]="siteKey"
            (verified)="onCaptchaVerified($event)"></h-captcha>

Angular.JS

Example: display compact hCaptcha with dark theme.

<!doctype html>
<html ng-app="angularjsApp">
<head>
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/vanilla-hcaptcha"></script>

    <script>
        angular.module('angularjsApp', [])
                .controller('ExampleController', function () {
                    this.siteKey = "781559eb-513a-4bae-8d29-d4af340e3624";
                    this.onCaptchaVerified = function (e) {
                        console.log('verified event', {token: e.token});
                    };
                    this.onCaptchaError = function (e) {
                        console.log('error event', {error: e.error});
                    };
                });
    </script>
</head>
<body>
<div ng-controller="ExampleController as ctrl">
    <h-captcha site-key="{{ctrl.siteKey}}"
               size="compact"
               theme="dark"
               ng-on-verified="ctrl.onCaptchaVerified($event)"
               ng-on-error="ctrl.onCaptchaError($event)"
    ></h-captcha>
</div>
</body>
</html>

Vanilla.JS

Example: display normal size hCaptcha accessible by keyboard (see tabindex).


<script src="https://cdn.jsdelivr.net/npm/vanilla-hcaptcha"></script>

<h-captcha id="signupCaptcha"
           site-key="781559eb-513a-4bae-8d29-d4af340e3624"
           size="normal"
           tabindex="0"></h-captcha>

<script>
    const signupCaptcha = document.getElementById('signupCaptcha');

    signupCaptcha.addEventListener('verified', (e) => {
        console.log('verified event', {token: e.token});
    });
    signupCaptcha.addEventListener('error', (e) => {
        console.log('error event', {error: e.error});
    });
</script>

Attributes

The web component allows specifying attributes. These are split into two categories: render and api attributes.

Render Attributes

Conveniently you can set the render properties as attributes to the web component. If you would like to programmatically call the render() method, you can set auto-render="false" property.

Attribute	Values/Type	Default	Description
`auto-render`	Boolean	`true`	When "false" it prevents automatic rendering of the checkbox.
`sitekey` (required)	String	-	Your sitekey. Please visit hCaptcha and sign up to get a sitekey.
`size`	String (normal, compact, invisible)	`normal`	This specifies the "size" of the checkbox. hCaptcha allows you to decide how big the component will appear on render. Defaults to normal.
`theme`	String (light, dark)	`light`	hCaptcha supports both a light and dark theme. If no theme is set, the API will default to light.
`tabindex`	Integer	`0`	Set the tabindex of the widget and popup. When appropriate, this can make navigation of your site more intuitive.
`hl`	String (ISO 639-2 code)	-	hCaptcha auto-detects language via the user's browser. This overrides that to set a default UI language.
`challenge-container`	String	-	A custom element ID to render the hCaptcha challenge.
`rqdata`	String	-	See Enterprise docs.

API Attributes

These attributes are optional.

Attribute	Values/Type	Default	Description
`reCaptchaCompat`	Boolean	`true`	Disable drop-in replacement for reCAPTCHA with `false` to prevent hCaptcha from injecting into window.grecaptcha.
`hl`	String (ISO 639-2 code)	-	hCaptcha auto-detects language via the user's browser. This overrides that to set a default UI language.
`jsapi`	String	-	See Enterprise docs.
`endpoint`	String	-	See Enterprise docs.
`reportapi`	String	-	See Enterprise docs.
`assethost`	String	-	See Enterprise docs.
`imghost`	String	-	See Enterprise docs.
`sentry`	Boolean	-	See Enterprise docs.

Events

Depending on the use case, you can or not listen to the following events.

Event	Params	Description
`error`	`err`	When an error occurs. Component will reset immediately after an error.
`verified`	`token, eKey`	When challenge is completed. The `token` and the `eKey` are passed along.
`expired`	-	When the current token expires.
`challenge-expired`	-	When the unfinished challenge expires.
`opened`	-	When the challenge is opened.
`closed`	-	When the challenge is closed.

Methods

The following methods allow for programmatic control, necessary only in case of a custom hCaptcha verification flow.

Method	Description
`render(config)`	Renders the checkbox. Must pass the full render config, no attributes are injected.
`execute()`	Triggers a verification request.
`executeAsync()`	Triggers a verification request and receive a Promise which resolved with the token results or throws in case of errors.
`reset()`	Resets the hCaptcha which requires user to fill captcha again.

Commands

yarn build

Build a production version of the component.
yarn dev

Build dev version with hot reload.
yarn test

Runs unit tests.

Keywords

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Last updated on 17 Apr 2024

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Install

vanilla-hcaptcha

hCaptcha - Vanilla Web Component

Install

Usage

Vue.JS

React.JS and Preact

Angular

Angular.JS

Vanilla.JS

Attributes

Render Attributes

API Attributes

Events

Methods

Commands

Keywords

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