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Overview

This guide shows you how to integrate Joyfill Components into your React v18 application.

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🚀 Quick Start

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Setup React Project

Create a new React project: 
npx create-react-app my-joyfill-app
cd my-joyfill-app
npm install @joyfill/components

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Create JoyDoc Component

Create src/components/JoyDocForm.js: 
import React, { useState } from 'react';
import { JoyDoc } from '@joyfill/components';

const JoyDocForm = () => {
  const [doc, setDoc] = useState(null);

  // Complete contact form example
  const contactForm = {
    "_id": "68f231604484695c16d65f97",
    "identifier": "doc_68f231604484695c16d65f97",
    "name": "New Doc",
    "files": [
        {
            "_id": "68f231607dee0bbd73994f87",
            "name": "New File",
            "pageOrder": [
                "68f23160b929e32e60e663a0"
            ],
            "pages": [
                {
                    "_id": "68f23160b929e32e60e663a0",
                    "name": "New Page",
                    "width": 816,
                    "height": 1056,
                    "rowHeight": 8,
                    "cols": 8,
                    "fieldPositions": [
                        {
                            "_id": "68f23164c57b7fe946d32b1b",
                            "type": "text",
                            "displayType": "original",
                            "x": 0,
                            "y": 0,
                            "width": 4,
                            "height": 8,
                            "field": "68f23164886cdb084afec912"
                        },
                        {
                            "_id": "68f231663b6a898390b23fec",
                            "type": "textarea",
                            "displayType": "original",
                            "x": 4,
                            "y": 0,
                            "width": 4,
                            "height": 23,
                            "field": "68f2316612113f6141fac40a"
                        },
                        {
                            "_id": "68f231673dc5e58c883c8437",
                            "type": "number",
                            "displayType": "original",
                            "x": 0,
                            "y": 8,
                            "width": 4,
                            "height": 8,
                            "field": "68f23167998040ea25a54fa8"
                        },
                        {
                            "_id": "68f231796f5ea38ae37f951b",
                            "type": "text",
                            "displayType": "original",
                            "x": 0,
                            "y": 16,
                            "width": 4,
                            "height": 8,
                            "field": "68f23179479739cf0883d27e"
                        }
                    ],
                    "layout": "grid",
                    "presentation": "normal",
                    "padding": 24
                }
            ],
            "styles": {
                "margin": 4
            }
        }
    ],
    "fields": [
        {
            "file": "68f231607dee0bbd73994f87",
            "_id": "68f23164886cdb084afec912",
            "type": "text",
            "title": "Name",
            "identifier": "field_68f23164886cdb084afec912"
        },
        {
            "file": "68f231607dee0bbd73994f87",
            "_id": "68f2316612113f6141fac40a",
            "type": "textarea",
            "title": "Comments",
            "identifier": "field_68f2316612113f6141fac40a",
            "value": ""
        },
        {
            "file": "68f231607dee0bbd73994f87",
            "_id": "68f23167998040ea25a54fa8",
            "type": "number",
            "title": "Phone number",
            "identifier": "field_68f23167998040ea25a54fa8"
        },
        {
            "file": "68f231607dee0bbd73994f87",
            "_id": "68f23179479739cf0883d27e",
            "type": "text",
            "title": "Email",
            "identifier": "field_68f23179479739cf0883d27e"
        }
    ],
    "type": "document"
  };

  const handleChange = (changelogs, updatedDoc) => {
    console.log('Form updated:', updatedDoc);
    console.log('Changes:', changelogs);
    setDoc(updatedDoc);
  };

  const handleError = (error) => {
    console.error('Form error:', error);
  };

  return (
    <div style={{ padding: '20px' }}>
      <h1>Contact Form</h1>
      <JoyDoc
        doc={contactForm}
        mode="edit"
        onChange={handleChange}
        onError={handleError}
      />
    </div>
  );
};

export default JoyDocForm;

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Update App Component

Update src/App.js: 
import React from 'react';
import JoyDocForm from './components/JoyDocForm';
import './App.css';

function App() {
  return (
    <div className="App">
      <JoyDocForm />
    </div>
  );
}

export default App;

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Start Development Server

npm start
Open http://localhost:3000 in your browser.

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Complete Project Structure

my-joyfill-app/
├── src/
│   ├── components/
│   │   └── JoyDocForm.js      # JoyDoc component
│   ├── App.js                 # Main app component
│   ├── App.css                # App styles
│   └── index.js               # Entry point
├── public/
│   └── index.html             # HTML template
└── package.json               # Dependencies

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Complete React Example

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App.js

import React from 'react';
import JoyDocForm from './components/JoyDocForm';
import './App.css';

function App() {
  return (
    <div className="App">
      <header className="App-header">
        <h1>🎉 Joyfill Components</h1>
        <p>React v18 Integration Example</p>
      </header>
      <main>
        <JoyDocForm />
      </main>
    </div>
  );
}

export default App;

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App.css

.App {
  text-align: center;
  min-height: 100vh;
  background-color: #f5f5f5;
}

.App-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;
  color: white;
  margin-bottom: 20px;
}

.App-header h1 {
  margin: 0;
  font-size: 2rem;
}

.App-header p {
  margin: 10px 0 0 0;
  opacity: 0.9;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

​
JoyDocForm.js

import React, { useState, useCallback } from 'react';
import { JoyDoc } from '@joyfill/components';

const JoyDocForm = () => {
  const [doc, setDoc] = useState(null);
  const [isLoading, setIsLoading] = useState(false);

  // Complete contact form example
  const contactForm = {
    "_id": "68f231604484695c16d65f97",
    "identifier": "doc_68f231604484695c16d65f97",
    "name": "New Doc",
    "files": [
        {
            "_id": "68f231607dee0bbd73994f87",
            "name": "New File",
            "pageOrder": [
                "68f23160b929e32e60e663a0"
            ],
            "pages": [
                {
                    "_id": "68f23160b929e32e60e663a0",
                    "name": "New Page",
                    "width": 816,
                    "height": 1056,
                    "rowHeight": 8,
                    "cols": 8,
                    "fieldPositions": [
                        {
                            "_id": "68f23164c57b7fe946d32b1b",
                            "type": "text",
                            "displayType": "original",
                            "x": 0,
                            "y": 0,
                            "width": 4,
                            "height": 8,
                            "field": "68f23164886cdb084afec912"
                        },
                        {
                            "_id": "68f231663b6a898390b23fec",
                            "type": "textarea",
                            "displayType": "original",
                            "x": 4,
                            "y": 0,
                            "width": 4,
                            "height": 23,
                            "field": "68f2316612113f6141fac40a"
                        },
                        {
                            "_id": "68f231673dc5e58c883c8437",
                            "type": "number",
                            "displayType": "original",
                            "x": 0,
                            "y": 8,
                            "width": 4,
                            "height": 8,
                            "field": "68f23167998040ea25a54fa8"
                        },
                        {
                            "_id": "68f231796f5ea38ae37f951b",
                            "type": "text",
                            "displayType": "original",
                            "x": 0,
                            "y": 16,
                            "width": 4,
                            "height": 8,
                            "field": "68f23179479739cf0883d27e"
                        }
                    ],
                    "layout": "grid",
                    "presentation": "normal",
                    "padding": 24
                }
            ],
            "styles": {
                "margin": 4
            }
        }
    ],
    "fields": [
        {
            "file": "68f231607dee0bbd73994f87",
            "_id": "68f23164886cdb084afec912",
            "type": "text",
            "title": "Name",
            "identifier": "field_68f23164886cdb084afec912"
        },
        {
            "file": "68f231607dee0bbd73994f87",
            "_id": "68f2316612113f6141fac40a",
            "type": "textarea",
            "title": "Comments",
            "identifier": "field_68f2316612113f6141fac40a",
            "value": ""
        },
        {
            "file": "68f231607dee0bbd73994f87",
            "_id": "68f23167998040ea25a54fa8",
            "type": "number",
            "title": "Phone number",
            "identifier": "field_68f23167998040ea25a54fa8"
        },
        {
            "file": "68f231607dee0bbd73994f87",
            "_id": "68f23179479739cf0883d27e",
            "type": "text",
            "title": "Email",
            "identifier": "field_68f23179479739cf0883d27e"
        }
    ],
    "type": "document"
  };

  const handleChange = useCallback((changelogs, updatedDoc) => {
    console.log('Form updated:', updatedDoc);
    console.log('Changes:', changelogs);
    setDoc(updatedDoc);
  }, []);

  const handleError = useCallback((error) => {
    console.error('Form error:', error);
  }, []);

  const handleFocus = useCallback((fieldId, fieldData) => {
    console.log('Field focused:', fieldId);
  }, []);

  const handleBlur = useCallback((fieldId, fieldData) => {
    console.log('Field blurred:', fieldId);
  }, []);

  const saveForm = async () => {
    if (!doc) return;

    setIsLoading(true);
    try {
      const response = await fetch('/api/contact', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify(doc)
      });

      if (response.ok) {
        console.log('Form saved successfully');
        alert('Form saved successfully!');
      } else {
        console.error('Failed to save form');
        alert('Failed to save form');
      }
    } catch (error) {
      console.error('Error saving form:', error);
      alert('Error saving form');
    } finally {
      setIsLoading(false);
    }
  };

  return (
    <div style={{
      background: 'white',
      borderRadius: '8px',
      padding: '30px',
      boxShadow: '0 2px 10px rgba(0,0,0,0.1)',
      marginBottom: '20px'
    }}>
      <h2 style={{ color: '#333', marginBottom: '20px' }}>Contact Us</h2>

      <JoyDoc
        doc={contactForm}
        mode="edit"
        onChange={handleChange}
        onError={handleError}
        onFocus={handleFocus}
        onBlur={handleBlur}
        width={800}
        height={600}
      />

      <div style={{ marginTop: '20px', textAlign: 'center' }}>
        <button
          onClick={saveForm}
          disabled={isLoading}
          style={{
            background: '#007bff',
            color: 'white',
            border: 'none',
            padding: '12px 24px',
            borderRadius: '4px',
            cursor: isLoading ? 'not-allowed' : 'pointer',
            fontSize: '16px',
            opacity: isLoading ? 0.6 : 1
          }}
        >
          {isLoading ? 'Saving...' : 'Save Form'}
        </button>
      </div>
    </div>
  );
};

export default JoyDocForm;

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Advanced React Integration

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Custom Hook for Form Management

Create src/hooks/useJoyDocForm.js: 
import { useState, useCallback } from 'react';

export const useJoyDocForm = (initialDoc) => {
  const [doc, setDoc] = useState(initialDoc);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState(null);

  const handleChange = useCallback((changelogs, updatedDoc) => {
    setDoc(updatedDoc);
    setError(null);
  }, []);

  const handleError = useCallback((error) => {
    setError(error);
  }, []);

  const saveForm = useCallback(async (saveUrl) => {
    if (!doc) return;

    setIsLoading(true);
    setError(null);

    try {
      const response = await fetch(saveUrl, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify(doc)
      });

      if (!response.ok) {
        throw new Error('Failed to save form');
      }

      return await response.json();
    } catch (error) {
      setError(error);
      throw error;
    } finally {
      setIsLoading(false);
    }
  }, [doc]);

  return {
    doc,
    isLoading,
    error,
    handleChange,
    handleError,
    saveForm
  };
};

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Using the Custom Hook

import React from 'react';
import { JoyDoc } from '@joyfill/components';
import { useJoyDocForm } from '../hooks/useJoyDocForm';

const ContactForm = () => {
  const contactForm = {
    // ... your form data
  };

  const {
    doc,
    isLoading,
    error,
    handleChange,
    handleError,
    saveForm
  } = useJoyDocForm(contactForm);

  const handleSave = async () => {
    try {
      await saveForm('/api/contact');
      alert('Form saved successfully!');
    } catch (error) {
      alert('Error saving form');
    }
  };

  return (
    <div>
      {error && (
        <div style={{ color: 'red', marginBottom: '10px' }}>
          Error: {error.message}
        </div>
      )}

      <JoyDoc
        doc={doc}
        mode="edit"
        onChange={handleChange}
        onError={handleError}
      />

      <button onClick={handleSave} disabled={isLoading}>
        {isLoading ? 'Saving...' : 'Save Form'}
      </button>
    </div>
  );
};

export default ContactForm;

​
Common Configuration Options

<JoyDoc
  doc={yourFormData}           // Your form JSON
  mode="edit"                  // 'edit' | 'fill' | 'readonly'
  view="desktop"               // 'desktop' | 'mobile' | 'tablet'
  width={800}                  // Component width
  height={600}                 // Component height
  theme={{                     // Custom theme
    primaryColor: '#007bff',
    secondaryColor: '#6c757d'
  }}
  features={{                  // Feature flags
    formulas: true,    // formulas
    readableIds: false,  // readableIds
    validateSchema: false // schemaValidations
  }}
  onChange={(changes, doc) => {
    // Handle form changes
  }}
  onError={(error) => {
    // Handle errors
  }}
  onFocus={(fieldId, fieldData) => {
    // Handle field focus
  }}
  onBlur={(fieldId, fieldData) => {
    // Handle field blur
  }}
  onCaptureAsync={async (fieldId, data) => {
    // Handle field capture
    return data;
  }}
  onUploadAsync={async (file) => {
    // Handle file upload
    return { url: 'uploaded-file-url' };
  }}
/>

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That’s it! 🎉

Your React v18 application with Joyfill Components is now ready. The form will render with proper React state management and event handling.