fs/promises polyfill

fs-promises-polyfill.js

try {
  require('fs/promises');
} catch (e) {
  const {join} = require('path');
  const {promises} = require('fs');
  const polyfillRoot = join(__dirname, 'node_modules', 'fs')
  const polyfillPath = join(polyfillRoot, 'promises.js');
  require.cache[polyfillPath] = {
    id: polyfillPath,
    path: polyfillRoot,
    exports: promises,
    parent: undefined,
    filename: polyfillPath,
    loaded: true,
    children: [],
    paths: []
  };
}