bug in running

[brw31415]

hi,
the install seemed to work:

$ npm install
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules/chokidar/node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.1.2: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
npm WARN vue-example@1.21.1 No repository field.

Ubuntu 14.

node v6.11.2

$ npm start

vue-example@1.21.1 start /home/ubuntu/workspace/vue-example
node --harmony --icu-data-dir=node_modules/icu4c-data ./scripts/start

/home/ubuntu/workspace/vue-example/src/server/index.js:24
async listen () {
^^^^^^

SyntaxError: Unexpected identifier
at createScript (vm.js:56:10)
at Object.runInThisContext (vm.js:97:10)
at Module._compile (module.js:542:28)
at Object.Module._extensions..js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)
at Function.Module._load (module.js:438:3)
at require (internal/module.js:20:19)
at Object. (/home/ubuntu/workspace/vue-example/src/index.js:1:80)
at Module._compile (module.js:570:32)

npm ERR! Linux 4.9.17-c9
npm ERR! argv "/home/ubuntu/.nvm/versions/node/v6.11.2/bin/node" "/home/ubuntu/.nvm/versions/node/v6.11.2/bin/npm" "start"
npm ERR! node v6.11.2
npm ERR! npm v3.10.10
npm ERR! code ELIFECYCLE
npm ERR! vue-example@1.21.1 start: node --harmony --icu-data-dir=node_modules/icu4c-data ./scripts/start
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the vue-example@1.21.1 start script 'node --harmony --icu-data-dir=node_modules/icu4c-data ./scripts/start'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the vue-example package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! node --harmony --icu-data-dir=node_modules/icu4c-data ./scripts/start
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs vue-example
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls vue-example
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR! /home/ubuntu/workspace/vue-example/npm-debug.log

[xpepermint]

Try upgrading your node version first.

[larrysharpe]

I'm having an issue in running NPM START, with node version 8.7.0