Joy Query Box

A React component for building and parsing SQL-like queries with natural language support. This component provides an intuitive interface for constructing complex queries with auto-completion and syntax highlighting.

Features

• 🎯 SQL-like query syntax
• 🔍 Auto-completion for field names
• 💡 Syntax highlighting
• 🎨 Customizable field suggestions
• 📝 Natural language support
• 🔄 Real-time query parsing

Installation

npm install joy-query-box
# or
yarn add joy-query-box

Usage

import { QueryBox } from 'joy-query-box';

const words = [
    { word: 'company', desc: 'Company name', type: 'string' },
    { word: 'age', desc: 'Employee age', type: 'number' },
    { word: 'status', desc: 'Account status', type: 'string', options: ['active', 'pending', 'inactive'] },
    { word: 'isVerified', desc: 'Verification status', type: 'boolean' }
];

const MyComponent = () => {
    const handleSearch = (error, parsed, query) => {
        if (error) {
            console.error('Query error:', error);
        } else {
            console.log('Parsed query:', parsed);
        }
    };

    return (
        <QueryBox
            words={words}
            onSearch={handleSearch}
        />
    );
};

Supported Operators

Comparison Operators

• = Equal
• > Greater than
• >= Greater than or equal
• < Less than
• <= Less than or equal

Text Operators

• like Pattern match (use % as wildcard)
• contains Contains text
• startwith Starts with

Special Operators

• is Boolean check (e.g., isVerified is true)
• in Value in set (e.g., status in ('active', 'pending'))
• between Range check (e.g., age between 25 and 35)

Logical Operators

• & AND
• | OR
• () Grouping

Query Examples

-- Simple comparison
age >= 25 & salary <= 100000

-- Text search with wildcards
company like 'Tech%' & email contains '@company.com'

-- Boolean and set operations
isVerified is true & status in ('active', 'pending')

-- Range check
age between 25 and 35

-- Complex conditions
(department = 'Engineering' & salary > 80000) | (department = 'Sales' & salary > 60000)

-- Mixed operators
(company like '%Tech%' | department = 'IT') & age > 21 & isVerified is true

Props

Prop	Type	Description
words	Array<QuerySuggestion>	Array of field suggestions for auto-completion
onSearch	(error: Error | null, parsed: QueryExpression | null, query: string) => void	Callback function when query changes
className	string	Optional CSS class name
id	string	Optional element ID

QuerySuggestion Type

interface QuerySuggestion {
    word: string;           // Field name
    desc: string;          // Field description
    type: 'string' | 'number' | 'boolean' | 'date';  // Field type
    options?: string[];    // Optional array of valid values for the field
}

Development

# Install dependencies
npm install

# Start development server
npm start

# Build for production
npm run build

# Run tests
npm test

License

MIT