import { worldToLngLat } from '@math.gl/web-mercator';
const TILE_SIZE = 512;
export function quadkeyToWorldBounds(quadkey, coverage) {
    let x = 0;
    let y = 0;
    let mask = 1 << quadkey.length;
    const scale = mask / TILE_SIZE;
    for (let i = 0; i < quadkey.length; i++) {
        mask >>= 1;
        const q = parseInt(quadkey[i]);
        if (q % 2)
            x |= mask;
        if (q > 1)
            y |= mask;
    }
    return [
        [x / scale, TILE_SIZE - y / scale],
        [(x + coverage) / scale, TILE_SIZE - (y + coverage) / scale]
    ];
}
export function getQuadkeyPolygon(quadkey, coverage = 1) {
    const [topLeft, bottomRight] = quadkeyToWorldBounds(quadkey, coverage);
    const [w, n] = worldToLngLat(topLeft);
    const [e, s] = worldToLngLat(bottomRight);
    return [e, n, e, s, w, s, w, n, e, n];
}