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Code Issues Releases Wiki Activity

Support Node 6 again. check if async/await is supported (#4283)

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Tim Neutkens 2018-05-06 18:39:29 +02:00 committed by GitHub
parent aaa15ebddd
commit eb25cf4cb5
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2 changed files with 14 additions and 1 deletions
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3
server/index.js
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@ -21,6 +21,7 @@ import pkg from '../../package'
import * as asset from '../lib/asset'
import * as envConfig from '../lib/runtime-config'
import { isResSent } from '../lib/utils'
import isAsyncSupported from './lib/is-async-supported'
const access = promisify(fs.access)
@ -113,7 +114,7 @@ export default class Server {
}
async prepare () {
if (this.dev && process.stdout.isTTY) {
if (this.dev && process.stdout.isTTY && isAsyncSupported()) {
try {
const checkForUpdate = require('update-check')
const update = await checkForUpdate(pkg, {

12
server/lib/is-async-supported.js Normal file
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@ -0,0 +1,12 @@
// based on https://github.com/timneutkens/is-async-supported
const vm = require('vm')
module.exports = function isAsyncSupported () {
try {
// eslint-disable-next-line no-new
new vm.Script('(async () => ({}))()')
return true
} catch (e) {
return false
}
}