A simple OS Report function

os-report.mjs

export function osReport(os) {
    const cpus = os.cpus()
    const totalMemory = os.totalmem()
    const freeMemory = os.freemem()
    const usedMemory = totalMemory - freeMemory
    return `
Arch: ${os.arch}
CPUS: ${cpus.length} (${cpus[0].model} ${cpus[0].speed})
Memory: ${fromBytesToGigabytes(usedMemory)}/${fromBytesToGigabytes(totalMemory)}
Platform: ${os.platform}
Release: ${os.release()}
Uptime: ${fromSecondsToHuman(os.uptime())}
    `
}

function fromBytesToGigabytes(bytes) {
    return `${(bytes / 1e9).toFixed(2)} GB`
}

function fromSecondsToHuman(seconds) {
    return new Date(seconds * 1000).toISOString().substring(11,19)
}