Sean McGivern d77db0adbd Fix flash errors in performance bar for cached responses ... When a request contains an ETag value in its If-None-Match header, the backend may send a request ID (from Rack) that does not correspond to a value in Peek's Redis cache (because we aborted the Rails processing in our ETag middleware). Because a cached response (304) has to replace the headers with those from the previous 200 - https://tools.ietf.org/html/rfc7234#section-4.3.4 - we add a custom header that will only be present in cache hits, that can tell the frontend to ignore these.		2018-04-17 11:50:27 +01:00
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performance_bar_service.js	Fix flash errors in performance bar for cached responses	2018-04-17 11:50:27 +01:00