playground/sqlite3-wasm-demo.html at main · PatelUtkarsh/playground · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Sqlite 3 WASM demo</title>
    <meta name="description" content="Sqlite 3 WASM demo">
    <meta name="keywords" content="Sqlite 3, WASM, demo">
    <meta name="robots" content="index, follow">
    <meta name="author" content="Utkarsh Patel">
    <link rel="canonical" href="/sqlite3-wasm-demo.html">
    <script src="https://cdn.jsdelivr.net/npm/@sqlite.org/sqlite-wasm@3.46.1-build4/sqlite-wasm/jswasm/sqlite3.mjs" type="module"></script>
    <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&family=Roboto+Mono:wght@400;500;700&display=swap" rel="stylesheet">
    <style>
        body {
            font-family: 'Roboto', Arial, sans-serif;
            max-width: 710px;
            margin: 0 auto;
            padding: 20px;
            line-height: 1.6;
            background-color: #FAF8FF;
            color: #1A1B20;
        }
        textarea {
            width: 100%;
            height: 100px;
            margin-bottom: 10px;
            padding: 10px;
            border: 1px solid #E1E2EC;
            background-color: #FFFFFF;
            color: #1A1B20;
            font-family: 'Roboto Mono', monospace;
        }
        button {
            background-color: #465D91;
            border: none;
            color: #FFFFFF;
            padding: 10px 20px;
            text-align: center;
            text-decoration: none;
            display: inline-block;
            font-size: 16px;
            margin: 4px 2px;
            cursor: pointer;
            font-family: 'Roboto', Arial, sans-serif;
        }
        button:disabled {
            background-color: #cccccc;
            cursor: not-allowed;
        }
        table {
            border-collapse: collapse;
            width: 100%;
            margin-top: 20px;
            background-color: #FFFFFF;
        }
        th, td {
            border: 1px solid #E1E2EC;
            padding: 8px;
            text-align: left;
            color: #1A1B20;
            font-family: 'Roboto', Arial, sans-serif;
        }
        th {
            background-color: #465D91;
            color: #FFFFFF;
        }
        tr:nth-child(even) {
            background-color: #F4F3FA;
        }
        #loading {
            display: none;
            color: #465D91;
            font-weight: bold;
            font-family: 'Roboto', Arial, sans-serif;
        }
    </style>
</head>
<body>
    <h1>Sqlite 3 wasm demo</h1>
    <div id="loading">Loading SQLite and initializing database...</div>
    <textarea id="query" placeholder="Enter your SQL query here...">SELECT * FROM person;</textarea>
    <button id="executeButton" onclick="executeQuery()" disabled>Execute Query</button>
    <div id="result"></div>

    <script type="module">
        import sqlite3InitModule from 'https://cdn.jsdelivr.net/npm/@sqlite.org/sqlite-wasm@3.46.1-build4/sqlite-wasm/jswasm/sqlite3.mjs';

        const loadingElement = document.getElementById('loading');
        const executeButton = document.getElementById('executeButton');

        const initializeSQLite = async () => {
            loadingElement.style.display = 'block';
            try {
                const sqlite3 = await sqlite3InitModule({
                    print: console.log,
                    printErr: console.error,
                });
                console.log('Running SQLite version', sqlite3.version.libVersion);
                window.db = new sqlite3.oo1.DB();

                window.db.exec(`
                   -- Create the person table
                    CREATE TABLE person (
                        id INTEGER PRIMARY KEY AUTOINCREMENT,
                        first_name TEXT NOT NULL,
                        last_name TEXT NOT NULL,
                        age INTEGER,
                        email TEXT UNIQUE,
                        city TEXT
                    );
                      INSERT INTO person (first_name, last_name, age, email, city) VALUES
                        ('John', 'Doe', 28, 'john.doe@example.com', 'New York'),
                        ('Jane', 'Smith', 34, 'jane.smith@example.com', 'Los Angeles'),
                        ('Michael', 'Johnson', 45, 'michael.johnson@example.com', 'Chicago'),
                        ('Emily', 'Davis', 22, 'emily.davis@example.com', 'Houston'),
                        ('David', 'Wilson', 30, 'david.wilson@example.com', 'Phoenix'),
                       ('Sophia', 'Martinez', 27, 'sophia.martinez@example.com', 'Philadelphia'),
                       ('James', 'Brown', 50, 'james.brown@example.com', 'San Antonio'),
                       ('Olivia', 'Jones', 19, 'olivia.jones@example.com', 'San Diego'),
                       ('William', 'Garcia', 40, 'william.garcia@example.com', 'Dallas'),
                       ('Isabella', 'Miller', 33, 'isabella.miller@example.com', 'San Jose');`);
                console.log('Database initialized with sample data');
                executeButton.disabled = false;
            } catch (err) {
                console.error('Initialization error:', err.message);
                document.getElementById('result').innerHTML = `<p>Error initializing database: ${err.message}</p>`;
            } finally {
                loadingElement.style.display = 'none';
            }
        };

        initializeSQLite();

        window.executeQuery = () => {
            const query = document.getElementById('query').value;
            try {
                const results = window.db.selectObjects(query);
                displayResults(results);
            } catch (err) {
                document.getElementById('result').innerHTML = `<p>Error: ${err.message}</p>`;
            }
        };

        function displayResults(results) {
            if (results.length === 0) {
                document.getElementById('result').innerHTML = '<p>No results.</p>';
                return;
            }
            let columns = Object.keys(results[0]);
            let tableHtml = '<table><tr>';
            columns.forEach(column => {
                tableHtml += `<th>${column}</th>`;
            });
            tableHtml += '</tr>';

            results.forEach(row => {
                tableHtml += '<tr>';

                columns.forEach(column => {
                    tableHtml += `<td>${row[column]}</td>`;
                });
                tableHtml += '</tr>';
            });
            tableHtml += '</table>';

            document.getElementById('result').innerHTML = tableHtml;
        }
    </script>
</body>
</html>