Add runtime version reporting and display

src/shared/versions.js

@@ -0,0 +1,27 @@
+export const HARBOR_VERSIONS = Object.freeze({
+  macClient: '0.1.0',
+  gatewayClient: '0.1.0',
+  gatewayBackend: '0.1.0',
+});
+
+export function parseVersion(value) {
+  const match = /^(\d+)\.(\d+)\.(\d+)$/.exec(String(value || ''));
+  return match ? {
+    major: Number(match[1]),
+    minor: Number(match[2]),
+    hotfix: Number(match[3]),
+  } : null;
+}
+
+export function versionCompatibility(versions) {
+  const mac = parseVersion(versions?.macClient);
+  const client = parseVersion(versions?.gatewayClient);
+  const backend = parseVersion(versions?.gatewayBackend);
+  const major = Boolean(mac && client && backend
+    && mac.major === client.major
+    && client.major === backend.major);
+  const gateway = Boolean(client && backend
+    && client.major === backend.major
+    && client.minor === backend.minor);
+  return { compatible: major && gateway, major, gateway };
+}