From @isidorn on August 30, 2016 13:34

Refs #11100

1. Simple repo, initiazlie eslint, .eslintrc.js gets created
2. Open .eslintrc.js and triggere intelli-sense -> no suggestions
3. As found while discussing with @dbaeumer the issue here is that this file is .js and not .json
4. I would expect suggestions to help me set this file up

Copied from original issue: microsoft/vscode#11213