Should be Done

[briefy]

• study the History in the browser, comparing it with the _history in react-router
• a deep understand of Symbol
• a deep study of the promise A+
• add .d.ts files to repository mixwith and you can test to use mocha + chai to test the project
• setup travis CI in your notes repository and add git hooks to integrate with your tests
• what is the theory behind the webpackJsonp(make a blog)
• theory behind bundle-loader
• distinction betweent the hashrouter and the browserhistoryrouter and their needs for the server(make a blog)
• find out how fb React did the benchmark, see what you can learn from it. and benchmark in preact
• How does code coverage been done ,what the steps. i have heard intrumentation. you can find it out
  in preact repo.