Some 1300+ lines of code, 106 tests, and a year after I first started it, I’m happy to officially unleash filer.js (https://github.com/ebidel/filer.js); a wrapper library for the HTML5 Filesystem API. Unlike other libraries [1, 2], filer.js takes a different approach and incorporates some lessons I learned while implementing the Google Docs Python client library. Namely, the library reuses familia