1 files changed, 45 insertions, 0 deletions
diff --git a/node_modules/@jet/engine/lib/metrics/aggregating/metrics-fields-aggregator.js b/node_modules/@jet/engine/lib/metrics/aggregating/metrics-fields-aggregator.js
new file mode 100644
index 0000000..b53d7a9
--- /dev/null
+++ b/node_modules/@jet/engine/lib/metrics/aggregating/metrics-fields-aggregator.js
@@ -0,0 +1,45 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MetricsFieldsAggregator = void 0;
+const optional_1 = require("@jet/environment/types/optional");
+const page_metrics_fields_provider_1 = require("../field-providers/page-metrics-fields-provider");
+class MetricsFieldsAggregator {
+    constructor() {
+        this.optInProviders = new Map();
+        this.optOutProviders = new Map();
+    }
+    static makeDefaultAggregator() {
+        const aggregator = new MetricsFieldsAggregator();
+        aggregator.addOptInProvider(new page_metrics_fields_provider_1.PageMetricsFieldsProvider(), "pageFields");
+        return aggregator;
+    }
+    addOptInProvider(provider, request) {
+        this.optInProviders.set(request, provider);
+    }
+    addOptOutProvider(provider, request) {
+        this.optOutProviders.set(request, provider);
+    }
+    removeOptInProvider(request) {
+        this.optInProviders.delete(request);
+    }
+    removeOptOutProvider(request) {
+        this.optOutProviders.delete(request);
+    }
+    addMetricsFields(options) {
+        options.including.forEach((request) => {
+            const provider = this.optInProviders.get(request);
+            if (optional_1.isNothing(provider)) {
+                // No provider registered
+                return;
+            }
+            provider.addMetricsFields(options.builder, options.context);
+        });
+        this.optOutProviders.forEach((provider, request) => {
+            if (optional_1.isNothing(provider) || options.excluding.includes(request)) {
+                return;
+            }
+            provider.addMetricsFields(options.builder, options.context);
+        });
+    }
+}
+exports.MetricsFieldsAggregator = MetricsFieldsAggregator;