formatByteSize.js

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  const SUFFIXES = ["B", "K", "M", "G", "T"];
 
function formatByteSize(size) {
    const tier = size > 0 ? Math.floor(Math.log(size) / Math.log(1024)) : 0;
    let n = size / Math.pow(1024, tier);
 
    if (tier > 0) {
        n = Math.floor(n * 10) / 10; // Preserve only 1 digit after decimal.
    }
 
    return String(n) + SUFFIXES[tier];
}
 
module.exports = formatByteSize;