normalize-wheel
                                
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                        Mouse wheel normalization across multiple multiple browsers.
Normalize Wheel
Mouse wheel normalization across multiple multiple browsers.
Original source
This code is extracted and from Facebook's Fixed Data Table. Apart from import fixes, the code is unmodified.
Usage
Just add it as an dependency in npm.
You can use it as follows:
import normalizeWheel from 'normalize-wheel';
document.addEventListener('mousewheel', function (event) {
    const normalized = normalizeWheel(event);
    console.log(normalized.pixelX, normalized.pixelY);
});
License
See the LICENSE file.