check_tiff.mjs

import { fromFile } from 'geotiff';

async function check(path) {
    console.log(`Checking ${path}...`);
    try {
        const tiff = await fromFile(path);
        const image = await tiff.getImage();
        const width = image.getWidth();
        const height = image.getHeight();
        const tileWidth = image.getTileWidth();
        const tileHeight = image.getTileHeight();
        const samplesPerPixel = image.getSamplesPerPixel();

        console.log(`  Dimensions: ${width}x${height}`);
        console.log(`  Tiled: ${Boolean(tileWidth)}`);
        if (tileWidth) {
            console.log(`  Tile Size: ${tileWidth}x${tileHeight}`);
        } else {
            console.log(`  Strip Size: ${image.getFileDirectory().RowsPerStrip}`);
        }
    } catch (e) {
        console.error(`  Error: ${e.message}`);
    }
}

await check('public/identity_cog.tif');
await check('public/mpack_poc.tif');