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Fit a map to a bounding box

Fit the map to a specific area, regardless of the pixel size of the map.

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Fit a map to a bounding box</title>
    <meta property="og:description" content="Fit the map to a specific area, regardless of the pixel size of the map." />
    <meta charset='utf-8'>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel='stylesheet' href='https://unpkg.com/[email protected]/dist/maplibre-gl.css' />
    <script src='https://unpkg.com/[email protected]/dist/maplibre-gl.js'></script>
    <style>
        body { margin: 0; padding: 0; }
        html, body, #map { height: 100%; }
    </style>
</head>
<body>
<style>
    #fit {
        display: block;
        position: absolute;
        top: 20px;
        left: 50%;
        transform: translate(-50%);
        width: 50%;
        height: 40px;
        padding: 10px;
        border: none;
        border-radius: 3px;
        font-size: 12px;
        text-align: center;
        color: #fff;
        background: #ee8a65;
    }
</style>
<div id="map"></div>
<br />
<button id="fit">Fit to Kenya</button>
<script>
    const map = new maplibregl.Map({
        container: 'map',
        style:
            'https://api.maptiler.com/maps/streets/style.json?key=get_your_own_OpIi9ZULNHzrESv6T2vL',
        center: [-74.5, 40],
        zoom: 9
    });

    document.getElementById('fit').addEventListener('click', () => {
        map.fitBounds([
            [32.958984, -5.353521],
            [43.50585, 5.615985]
        ]);
    });
</script>
</body>
</html>