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src/util/network.js
39 строк
872 B
Roger Nesbitt
Support unimplemented call in Windows Subsystem for Linux (#772)
12 окт 2016, 05:01
12 окт 2016, 05:01
c9415ca
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/* @flow */ const os = require('os'); const IGNORE_INTERFACES = ['lo0', 'awdl0', 'bridge0']; const LOCAL_IPS = ['127.0.0.1', '::1']; export function isOffline(): boolean { let interfaces; try { interfaces = os.networkInterfaces(); } catch (e) { // As of October 2016, Windows Subsystem for Linux (WSL) does not support // the os.networkInterfaces() call and throws instead. For this platform, // assume we are online. if (e.syscall === 'uv_interface_addresses') { return false; } else { throw e; } } for (const name in interfaces) { if (IGNORE_INTERFACES.indexOf(name) >= 0) { continue; } const addrs = interfaces[name]; for (const addr of addrs) { if (LOCAL_IPS.indexOf(addr.address) < 0) { // found a possible remote ip return false; } } } return true; }