This is how all async caches are supposed to work. You never want concurrent requests for the same uncached resource to all hit the backend. For TypeScripters

This is how all async caches are supposed to work. You never want concurrent requests for the same uncached resource to all hit the backend. For TypeScripters out there, this is what my team wrote for our static analysis framework: https://github.com/Polymer/tools/blob/master/packages/analyzer/src/core/async-work-cache.ts https://github.com/Polymer/tools/blob/master/packages/analyz...