Function ShouldCacheFile

site/site.go:278–298

(reqFile string)

}

func ShouldCacheFile(reqFile string) bool {
	// Images, favicons and uniquely content hashed bundle assets should be
	// cached. By default, we cache everything in the site/out directory except
	// for deny-listed items enumerated here. The reason for this approach is that
	// cache invalidation techniques should be used by default for all build
	// processed assets. The scenarios where we don't use cache invalidation
	// techniques are one-offs or things that should have invalidation in the
	// future.
	denyListedSuffixes := []string{
		".html",
		"worker.js",
	}

	for _, suffix := range denyListedSuffixes {
		if strings.HasSuffix(reqFile, suffix) {
			return false
		}
	}

	return true
}

// reportHTMLFirstServedAt sends a telemetry report when the first HTML is ever served.
// The purpose is to track the first time the first user opens the site.