Market data providers

package.json

@@ -81,14 +81,13 @@
         "astring": "^1.9.0"
     },
     "devDependencies": {
-        "typescript": "~5.9.3",
         "@rollup/plugin-commonjs": "^29.0.0",
         "@rollup/plugin-json": "^6.1.0",
         "@rollup/plugin-node-resolve": "^16.0.3",
         "@types/react": "^19.2.10",
         "@types/react-dom": "^19.2.3",
         "@vitejs/plugin-react": "^5.1.2",
-        "@vitest/coverage-v8": "^2.0.0",
+        "@vitest/coverage-v8": "^4.1.0",
         "autoprefixer": "^10.4.23",
         "badgen": "^3.2.3",
         "cross-env": "^7.0.3",
@@ -99,9 +98,10 @@
         "rollup-plugin-typescript-paths": "^1.5.0",
         "tailwindcss": "^4.1.18",
         "tsx": "^4.21.0",
+        "typescript": "~5.9.3",
         "vite": "^7.3.1",
         "vite-tsconfig-paths": "^4.3.2",
-        "vitest": "^2.0.0"
+        "vitest": "^4.1.0"
     },
     "repository": {
         "type": "git",

src/PineTS.class.ts

@@ -119,9 +119,9 @@ export class PineTS {
                 const _ohlc4 = marketData.map((d) => (d.high + d.low + d.open + d.close) / 4);
                 const _hlcc4 = marketData.map((d) => (d.high + d.low + d.close + d.close) / 4);
                 const _openTime = marketData.map((d) => d.openTime);
-                // Providers should supply closeTime in TV convention (= next bar open).
+                // Providers should supply closeTime as session close time (TV convention).
                 // Safety-net for array-based data or providers that omit closeTime:
-                // estimate as openTime + timeframe duration.
+                // estimate as openTime + timeframe duration (accurate for 24/7 crypto).
                 const tfDurationMs = getTimeframeDurationMs(this.timeframe);
                 const _closeTime = marketData.map((d) =>
                     d.closeTime != null ? d.closeTime : d.openTime + tfDurationMs

src/index.ts

@@ -7,4 +7,16 @@ import { Provider } from './marketData/Provider.class';
 import { Indicator } from './Indicator';
 import { PineRuntimeError } from './errors/PineRuntimeError';
 
+// Provider classes for direct instantiation
+export { BaseProvider } from './marketData/BaseProvider';
+export { BinanceProvider } from './marketData/Binance/BinanceProvider.class';
+export { FMPProvider } from './marketData/FMP/FMPProvider.class';
+export { AlpacaProvider } from './marketData/Alpaca/AlpacaProvider.class';
+
+// Provider types
+export type { IProvider, ISymbolInfo, BaseProviderConfig, ApiKeyProviderConfig } from './marketData/IProvider';
+export type { Kline, PeriodType } from './marketData/types';
+export { computeNextPeriodStart, localTimeToUTC, computeSessionClose, TIMEFRAME_SECONDS, TIMEFRAME_PERIOD_INFO } from './marketData/types';
+export { aggregateCandles, selectSubTimeframe, getAggregationRatio } from './marketData/aggregation';
+
 export { PineTS, Context, Provider, Indicator, PineRuntimeError };