refactor: move shared global state to a shared package

shared/shared.go

@@ -0,0 +1,35 @@
+package shared
+
+import (
+	"github.com/golang-queue/queue"
+	"github.com/tus/tusd/pkg/filestore"
+	tusd "github.com/tus/tusd/pkg/handler"
+)
+
+var tusQueue *queue.Queue
+var tusStore *filestore.FileStore
+var tusComposer *tusd.StoreComposer
+
+func SetTusQueue(q *queue.Queue) {
+	tusQueue = q
+}
+
+func GetTusQueue() *queue.Queue {
+	return tusQueue
+}
+
+func SetTusStore(s *filestore.FileStore) {
+	tusStore = s
+}
+
+func GetTusStore() *filestore.FileStore {
+	return tusStore
+}
+
+func SetTusComposer(c *tusd.StoreComposer) {
+	tusComposer = c
+}
+
+func GetTusComposer() *tusd.StoreComposer {
+	return tusComposer
+}