Extract SSE to separate module

go.mod

@@ -3,6 +3,7 @@ module github.com/dim13/otpauth
 go 1.15
 
 require (
+	github.com/dim13/sse v0.0.0-20201210183205-eb3832327322
 	github.com/golang/protobuf v1.4.3
 	github.com/google/uuid v1.1.2
 	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e

go.sum

@@ -2,6 +2,8 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/dim13/sse v0.0.0-20201210183205-eb3832327322 h1:4+OqyQ9YCRC0WrQKfJHR0Dvqk7tQdML7h2T4e4RjN7o=
+github.com/dim13/sse v0.0.0-20201210183205-eb3832327322/go.mod h1:N3FRoDR3nzgckc5E5A5XPpmIlGvEdOBRMlhh5hXLvqk=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=

http.go

@@ -9,7 +9,7 @@ import (
 	"time"
 
 	"github.com/dim13/otpauth/migration"
-	"github.com/dim13/otpauth/sse"
+	"github.com/dim13/sse"
 	"github.com/google/uuid"
 )
 
@@ -83,7 +83,7 @@ func serve(addr string, p *migration.Payload) error {
 	for _, op := range p.OtpParameters {
 		http.Handle("/"+op.UUID().String()+".png", op)
 	}
-	events := sse.NewBroker("data", 100)
+	events := sse.New("data", 100)
 	http.Handle("/events", events)
 	go func() {
 		enc := json.NewEncoder(events)