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For Yarn 2+ docs and migration guide, see yarnpkg.com.

Package detail

react-captchafy

dpgaire3ISC1.0.1

A customizable CAPTCHA component for React applications, designed to enhance form security with a canvas-based CAPTCHA challenge.

react, captcha, canvas, form security, spam protection, react-component

readme

react-captchafy

A customizable, lightweight CAPTCHA component for React applications. react-captchafy provides an easy way to integrate CAPTCHA into your forms, helping you protect your app against spam and automated submissions.

✨ Features

  • 🔐 Enhanced Security: Protects your forms from bots and automated scripts.
  • 🎨 Highly Customizable: Customize the appearance, font, colors, and more.
  • 🖥️ Canvas-based CAPTCHA: Renders CAPTCHA using HTML5 Canvas for better performance.
  • 📦 Lightweight: Minimal dependencies to keep your bundle size small.
  • ⚙️ Flexible API: Easy integration with just a few props.

📦 Installation

To get started, install the package via npm:

npm install react-captchafy

Or, if you're using yarn:

yarn add react-captchafy

🚀 Quick Start

Here's a basic example of how to use the Captcha component in your React application:

import React from "react";
import Captcha from "react-captchafy";

const App = () => {
  const handleCaptchaValid = () => alert("Captcha is valid!");
  const handleCaptchaInvalid = () => alert("Captcha is invalid!");

  return (
    <div style={{ padding: "20px" }}>
      <h2>React Captcha Example</h2>
      <Captcha
        onCaptchaValid={handleCaptchaValid}
        onCaptchaInvalid={handleCaptchaInvalid}
        errorMessage="The CAPTCHA you entered is incorrect."
        captchaLength={6}
        buttonLabel="Verify"
        customStyles={{
          input: {
            padding: "8px",
            border: "1px solid #ccc",
            borderRadius: "4px",
          },
          button: {
            marginTop: "10px",
            backgroundColor: "#4CAF50",
            color: "#fff",
          },
          resetIcon: { color: "#d9534f", cursor: "pointer" },
        }}
      />
    </div>
  );
};

export default App;

🔧 Props

Prop Name Type Default Value Description
onCaptchaValid function Required Callback when CAPTCHA is successfully validated.
onCaptchaInvalid function Required Callback when CAPTCHA validation fails.
captchaLength number 6 Number of characters in the CAPTCHA.
canvasWidth number 375 Width of the CAPTCHA canvas.
canvasHeight number 40 Height of the CAPTCHA canvas.
fontStyle string '30px Brush Script MT, cursive' Font style for the CAPTCHA text.
textColor string 'black' Color of the CAPTCHA text.
backgroundColor string '#f5f5f5' Background color of the CAPTCHA canvas.
buttonLabel string 'PROCEED' Label for the verification button.
customStyles object {} Custom styles for the component elements.
isLoading boolean false Disables the button and shows a loader when true.

📋 Usage Examples

1. Simple Usage

<Captcha
  onCaptchaValid={() => console.log("Success!")}
  onCaptchaInvalid={() => console.log("Failed!")}
/>

2. Custom Styles and Captcha Length

<Captcha
  onCaptchaValid={() => alert("Correct!")}
  onCaptchaInvalid={() => alert("Try Again!")}
  captchaLength={8}
  customStyles={{
    input: { padding: "10px", border: "2px solid blue" },
    button: { backgroundColor: "green", color: "white" },
  }}
/>

🎨 Custom Styling

You can style the CAPTCHA using the customStyles prop, which accepts an object:

  • input: Style for the CAPTCHA input field.
  • button: Style for the CAPTCHA verification button.
  • resetIcon: Style for the reset icon.
  • canvas: Style for the CAPTCHA canvas.

Example:

customStyles={{
  input: { width: '50%', padding: '10px' },
  button: { backgroundColor: '#007bff', color: 'white' },
  resetIcon: { fontSize: '20px' },
}}

🔍 Browser Support

The library is compatible with the latest versions of Chrome, Firefox, Safari, and Edge.

🛠️ Development

If you want to contribute to this project or run it locally:

git clone https://github.com/dpgaire/react-captchafy.git
cd react-captchafy
npm install
npm run build

Running the Demo

npm start

📄 License

MIT License. See the LICENSE file for more details.

🙌 Contribution

Feel free to submit issues, feature requests, or pull requests. Contributions are always welcome!

📬 Contact

For any questions or feedback, please reach out at gairhedurga13@gmail.com.