index.js
var useTranspiled = true; // eslint-disable-line no-var
try {
require.resolve("./lib");
} catch (e) {
useTranspiled = false;
}
/* eslint-disable global-require */
if (useTranspiled) {
require("babel-polyfill");
module.exports = require("./lib");
} else {
require("babel-core/register");
module.exports = require("./src");
}
/* eslint-enable global-require */