env-snapshot:节点模块，用于对其运行环境进行快照-在测试中很有用

快照 概要 该模块整合了可从os和system模块获得的许多信息。 程式码范例 var snap = require('env-snapshot').EnvSnapshot(); { os_type: 'Darwin', os_platform: 'darwin', os_arch: 'x64', os_release: '14.4.0', os_uptime: 851114, os_loadavg: [ 2.69970703125, 2.28173828125, 2.10693359375 ], os_freemem: 19603456, os_totalmem: 4294967296, os_hostname: "Macintosh.local", os_cpus: [ { model: 'Intel(R) Core(TM) i5-24