custom indicators fixed

web/src/composables/useTradingViewDatafeed.ts

@@ -40,7 +40,8 @@ interface SymbolDenominators {
 export class WebSocketDatafeed implements IBasicDataFeed {
   private pendingRequests: Map<string, PendingRequest> = new Map()
   private subscriptions: Map<string, Subscription> = new Map()
-  private requestTimeout = 10000 // 10 seconds
+  private requestTimeout = 10000      // 10 seconds (used for all requests except getBars)
+  private barsRequestTimeout = 60000  // 60 seconds (cold-cache pipeline may take a while)
   private configuration: DatafeedConfiguration | null = null
   private messageHandler: MessageHandler
   private symbolDenominators: Map<string, SymbolDenominators> = new Map() // Track denominators per symbol
@@ -56,7 +57,7 @@ export class WebSocketDatafeed implements IBasicDataFeed {
     return `tv_${Date.now()}_${Math.random().toString(36).substring(7)}`
   }
 
-  private sendRequest<T>(message: any): Promise<T> {
+  private sendRequest<T>(message: any, timeoutMs?: number): Promise<T> {
     const requestId = message.request_id || this.generateRequestId()
     message.request_id = requestId
 
@@ -67,7 +68,7 @@ export class WebSocketDatafeed implements IBasicDataFeed {
         console.error('[TradingView Datafeed] Request timeout:', requestId, message.type)
         this.pendingRequests.delete(requestId)
         reject(new Error('Request timeout'))
-      }, this.requestTimeout)
+      }, timeoutMs ?? this.requestTimeout)
 
       this.pendingRequests.set(requestId, { resolve, reject, timeout })
 
@@ -244,14 +245,23 @@ export class WebSocketDatafeed implements IBasicDataFeed {
     const symbolKey = symbolInfo.ticker || symbolInfo.name
     const denoms = this.symbolDenominators.get(symbolKey) || { tick: 1, base: 1 }
 
-    this.sendRequest<any>({
+    const doRequest = () => this.sendRequest<any>({
       type: 'get_bars',
       symbol: symbolKey,
       period_seconds: intervalToSeconds(resolution),
       from_time: periodParams.from,
       to_time: periodParams.to,
       countback: periodParams.countBack
-    })
+    }, this.barsRequestTimeout)
+
+    doRequest()
+      .catch((err: Error) => {
+        if (err.message === 'Request timeout') {
+          console.warn('[TradingView Datafeed] getBars timed out, retrying once (data may now be in cache)...')
+          return doRequest()
+        }
+        throw err
+      })
       .then((response) => {
         if (response.history) {
           console.log('[TradingView Datafeed] Raw bar sample:', response.history.bars?.[0])