FindFileModule: Try name.js before name
FindFileModule: Try name.js before name

This is the behavior in Node.

An example of a module that relies on this: handlebars.
It expects require('../dist/cjs/handlebars') to load
../dist/cjs/handlebars.js instead of the ../dist/cjs/handlebars
directory, which doesn't have an index.js file.

ddliu/motto,ddliu/motto