function zeroPad()

in lib/h3core.js [282:290]


function zeroPad(fullLen, numStr) {
    const numZeroes = fullLen - numStr.length;
    let outStr = '';
    for (let i = 0; i < numZeroes; i++) {
        outStr += '0';
    }
    outStr = outStr + numStr;
    return outStr;
}