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feat: REST + WebSocket transport adapter #1

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feat: REST + WebSocket transport adapter #1

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39 changes: 21 additions & 18 deletions packages/bridge/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ import { PerformanceTracker } from './core/performance';
import { OperationInterceptor } from './core/interceptor';
import { SubscriptionTracker } from './core/subscription-tracker';
import { NotificationMonitor } from './core/notification-monitor';
import { wrapApolloClient } from './adapters/graphql';
import { wrapRestClient, interceptWebSocketFrames } from './adapters/rest';

const MAX_GETTER_TRACES = 200;
const MAX_SUB_UPDATES = 500;
Expand All @@ -23,15 +23,15 @@ const MAX_LANGUAGES = 100;
let nextGetterTraceId = 1;

/**
* Initialize the AD4M DevTools bridge for GraphQL/Apollo transport.
* Initialize the AD4M DevTools bridge for REST + WebSocket transport.
*
* Call this from the Ad4mClient constructor:
* ```typescript
* import { initDevToolsBridge } from '@ad4m-devtools/bridge';
* initDevToolsBridge(this);
* ```
*
* @param client - The Ad4mClient instance (must have #apolloClient accessible)
* @param client - The Ad4mClient instance (REST-based, with optional WebSocket RPC)
*/
export function initDevToolsBridge(client: any): void {
if (typeof globalThis === 'undefined') return;
Expand All @@ -57,24 +57,24 @@ export function initDevToolsBridge(client: any): void {

const connectionState = () => {
const activeClient = getClient();
// For GraphQL/Apollo, connection info comes from the Apollo link/transport
const url = activeClient?.executorUrl || activeClient?.baseUrl || '';
const url = activeClient?.baseUrl || activeClient?.executorUrl || '';
const authenticated = Boolean(activeClient?.hasAuthToken || activeClient?.authenticated);
const activeEventStreams = Number(activeClient?.activeEventStreams || 0);

return {
connected: Boolean(activeClient),
transport: 'graphql' as const,
transport: 'rest' as const,
url,
authenticated,
eventStreamConnected: subscriptions.getActiveCount() > 0,
activeEventStreams: subscriptions.getActiveCount(),
eventStreamConnected: activeEventStreams > 0,
activeEventStreams,
};
};

const enrichErrors = (errors?: any[]): ErrorDetail[] | undefined =>
errors?.map(e => ({
message: e?.message || String(e),
type: e?.type || e?.name || e?.constructor?.name || (e?.extensions?.code ? `GraphQL: ${e.extensions.code}` : 'Error'),
type: e?.type || e?.name || e?.constructor?.name || (e?.status ? `HTTP ${e.status}` : 'Error'),
stack: e?.stack,
nested: e?.networkError
? [{
Expand Down Expand Up @@ -236,19 +236,22 @@ export function initDevToolsBridge(client: any): void {
(globalThis as any).window.__AD4M_DEVTOOLS__ = devtools;
}

// Attempt to wrap the Apollo client link chain
// The Ad4mClient stores it as a private field — we need to access it
// via the client reference passed in
// Wrap the REST client to intercept HTTP and WebSocket calls
try {
// Try to get the apollo client — it may be a private field
const apolloClient = client._apolloClient || client.apolloClient;
if (apolloClient) {
wrapApolloClient(apolloClient, devtools);
const restClient = client._restClient || client.restClient;
if (restClient) {
wrapRestClient(restClient, devtools);

// If WebSocket is already connected, intercept frames
const ws = restClient._ws || restClient.ws;
if (ws) {
interceptWebSocketFrames(ws, devtools);
}
}
} catch {
// Apollo client not accessible — bridge will still work via manual instrumentation
// RestClient not accessible — bridge will still work via manual instrumentation
}
}

export { createDevToolsLink, wrapApolloClient } from './adapters/graphql';
export { wrapRestClient, interceptWebSocketFrames } from './adapters/rest';
export type { AD4MDevTools, DevToolsState, OperationRecord, SubscriptionRecord, SubscriptionUpdateRecord, NotificationRecord, PerformanceState, GetterTraceRecord, LanguageRecord, ErrorDetail } from './core/types';