add validation, helpers, tests

server/src/utils/dockerHost.ts

@@ -0,0 +1,5 @@
+export const DOCKER_TLS_URL = /^(tcp|https):\/\/([^/\s:]+)(?::(\d+))?\/?$/;
+export const DOCKER_SOCKET_URL = /^(?:unix:\/\/\/\S+|\/\S+)$/;
+
+export const isDockerTlsUrl = (url: string | undefined): boolean => DOCKER_TLS_URL.test(url?.trim() ?? "");
+export const isDockerSocketUrl = (url: string | undefined): boolean => DOCKER_SOCKET_URL.test(url?.trim() ?? "");