import path = require('path'); import fs = require('fs'); export default function(file: string): Promise { const filePath = path.join(__dirname, '../../src', file); return new Promise((resolve, reject) => { fs.readFile(filePath, 'utf-8', function (err, data) { if (err) { reject(err) } else { const result = JSON.parse(data) resolve(result) } }); }) }