Read a file in Node.js. Returns a promise.

read-file-promise.js

const fs = require('fs')

module.exports = function readFilePromise(path, encoding) {
    return new Promise((resolve, reject) => {
		try {
			var filename = require.resolve(path)
			fs.readFile(filename, encoding || 'utf8', (err, file) => {
				if (err) reject(err)
				else resolve(file)
			})
		} catch (e) {
			reject(e)
		}
    })
}