老师报错信息，解决不了

报错信息

C:\Users\爱喝茶的小六子\Desktop\Visual Studio Code\html学习课程>npm run build

> babel@1.0.0 build C:\Users\爱喝茶的小六子\Desktop\Visual Studio Code\html学习课程

> babel src -d dist

C:\Users\爱喝茶的小六子\Desktop\Visual Studio Code\html学习课程\node_modules\@babel\cli\node_modules\commander\index.js:95

class CommanderError extends Error {

^^^^^

SyntaxError: Block-scoped declarations (let, const, function, class) not yet supported outside strict mode

    at exports.runInThisContext (vm.js:53:16)

    at Module._compile (module.js:373:25)

    at Object.Module._extensions..js (module.js:416:10)

    at Module.load (module.js:343:32)

    at Function.Module._load (module.js:300:12)

    at Module.require (module.js:353:17)

    at require (internal/module.js:12:17)

    at Object.<anonymous> (C:\Users\爱喝茶的小六子\Desktop\Visual Studio Code\html学习课程\node_modules\@babel\cli\lib\babel\options.js:20:19)

    at Module._compile (module.js:409:26)

    at Object.Module._extensions..js (module.js:416:10)

npm ERR! Windows_NT 10.0.19042

npm ERR! argv "D:\\Node.js\\node.exe" "D:\\Node.js\\node_modules\\npm\\bin\\npm-cli.js" "run" "build"

npm ERR! node v4.4.3

npm ERR! npm  v2.15.1

npm ERR! code ELIFECYCLE

npm ERR! babel@1.0.0 build: `babel src -d dist`

npm ERR! Exit status 1

npm ERR!

npm ERR! Failed at the babel@1.0.0 build script 'babel src -d dist'.

npm ERR! This is most likely a problem with the babel package,

npm ERR! not with npm itself.

npm ERR! Tell the author that this fails on your system:

npm ERR!     babel src -d dist

npm ERR! You can get information on how to open an issue for this project with:

npm ERR!     npm bugs babel

npm ERR! Or if that isn't available, you can get their info via:

npm ERR!

npm ERR!     npm owner ls babel

npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:

npm ERR!     C:\Users\爱喝茶的小六子\Desktop\Visual Studio Code\html学习课程\npm-debug.log

C:\Users\爱喝茶的小六子\Desktop\Visual Studio Code\html学习课程>

babel.js代码

let name = 'Alex';

const age =  18;

const add = (x,y) => x + y;

new Promise((resolve,reject) => {

    resolve('success');

})

Array.from([1,2]);

class Person{}

// import './index.js';

老师，dist目录是自己手动创建还是执行完npm run build时自动创建的