Does anyone know how to make VS 2015 play nice (both in syntax highlighting, intellisense, etc) with ES6?
I also modified the file extension to be .JSX and .ES6 in case that would help VS pick up on it. No luck...
If you want IntelliSense for ES6 in a nodejs project, then you need to turn on a particular setting.
Open Tools → Options → Text editor → Node.js → IntelliSense and select the ES6 IntelliSense Preview checkbox.
In the December 2015 version of the tools, there is a link to additional notes about the prerequisites, such as having to install TypeScript for Visual Studio 2015 so that ES6 IntelliSense works.
@Shawn, in order to enable the Node.js options (and ES6 IntelliSense) you need to install the Visual Studio NodeJS Tools: https://www.visualstudio.com/en-us/features/node-js-vs.aspx