first commit

api/src/utils/db-error-helpers.ts

@@ -0,0 +1,25 @@
+import { has } from "lodash"
+
+export function isCredentialFailure(error: unknown) {
+  return (
+    error instanceof Error &&
+    ((has(error, "code") && error.code === "ELOGIN") ||
+      error.message.includes("Login failed for user"))
+  )
+}
+
+export function isSocketFailure(error: unknown) {
+  return error instanceof Error && has(error, "code") && error.code === "ESOCKET"
+}
+
+export function isMissingDatabaseFailure(error: unknown) {
+  return error instanceof Error && has(error, "code") && error.code === "3D000"
+}
+
+export function isNetworkFailure(error: unknown) {
+  return (
+    error instanceof Error &&
+    ((has(error, "code") && error.code === "EAI_AGAIN") ||
+      error.message.includes("getaddrinfo EAI_AGAIN"))
+  )
+}