jest-environment-node-patch.js

const NodeEnvironment = require('jest-environment-node');

module.exports = class NodePatchEnvironment extends NodeEnvironment {

  constructor(config) {
    super(Object.assign({}, config, {
      globals: Object.assign({}, config.globals, {
        Uint8Array: Uint8Array,
        ArrayBuffer: ArrayBuffer
      }),
    }));
  }

};