message: refactor: use webpack context for better stability
diff: +const path = require("path");
  const MemoryFileSystem = require("memory-fs");
  module.exports = eject;
  +const ctx = require.context("raw-loader!./static", true, /.js$/);
  +
  function eject() {
  const fs = new MemoryFileSystem();
  fs.mkdirpSync("/static");
  - fs.writeFileSync("/static/client.js", require("raw-loader!./static/client.js"));
  - fs.writeFileSync("/static/vendors.js", require("raw-loader!./static/vendors.js"));
  +
  + ctx.keys().forEach(key => {
  + fs.writeFileSync(path.join("/static", key), ctx(key));
  + });
  +
  return fs;
  }
  