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how to execute es6 scripts from CLI

rated 0 times [ 3] [ 1] / answers: 1 / hits: 28813 / 8 Years ago, tue, april 5, 2016, 12:00:00

I have the latest NodeJS installed and for any JavaScript files, I can execute it with node myscript.js but recently I'm learning es6 and for some of the latest syntax, it just pop out some errors/exceptions while executing. I tried babel-cli, but didn't seem to work as it is for compile es6 to 5 not for command line execute.

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anikas

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answered 8 Years ago dawnc · Accepted Answer

1) To enable the support of ES6, use the --harmony flag:

node --harmony myscript.js

This will enable the available ES6 syntax in node. But notice it's currently a limited subset of the ES6 standard (see the compatibility table).

2) To have a complete compatibility, you have to use babel node.

Install @babel/node to get a babel-node executable which works exactly the same as Node.js's CLI, only it will compile ES6 code before running it.

babel-node myscript.js