const sysinfo = require('systeminformation'); const {SystemError} = require('../../../errors'); const MB_IN_BYTES = 1048576; const MIN_MEMORY = 150; async function checkMemory() { const {available, swapfree} = await sysinfo.mem(); const availableMemory = (available + swapfree) / MB_IN_BYTES; if (availableMemory < MIN_MEMORY) { throw new SystemError(`You are recommended to have at least ${MIN_MEMORY} MB of memory available for smooth operation. It looks like you have ~${availableMemory} MB available.`); } } module.exports = { title: 'Checking memory availability', task: checkMemory, enabled: ctx => ctx.argv['check-mem'] === true, category: ['install', 'start', 'update'] };