1export default function whichModule(exported) {
2    if (typeof require === 'undefined')
3        return null;
4    for (let i = 0, files = Object.keys(require.cache), mod; i < files.length; i++) {
5        mod = require.cache[files[i]];
6        if (mod.exports === exported)
7            return mod;
8    }
9    return null;
10}
11