Port lighthouse-docker to TS in New Repo

.env.template

@@ -0,0 +1,2 @@
+DD_API_KEY=
+DD_APP_KEY=

package.json

@@ -20,7 +20,9 @@
     "typescript": "^5.2.2"
   },
   "dependencies": {
+    "@datadog/datadog-api-client": "^1.16.0",
     "chrome-launcher": "^1.0.0",
+    "dotenv": "^16.3.1",
     "lighthouse": "^11.1.0"
   }
 }

src/DatadogClient.ts

@@ -0,0 +1,40 @@
+import { client, v2 } from '@datadog/datadog-api-client';
+
+
+export default class DatadogClient {
+    private clientConfiguration: client.Configuration;
+
+    constructor({ api_key, app_key}: { api_key: string, app_key: string }) {
+        const configurationOpts = {
+            authMethods: {
+                apiKeyAuth: api_key,
+                appKeyAuth: app_key
+            },
+        };
+
+        this.clientConfiguration = client.createConfiguration(configurationOpts);
+    }
+
+    async submitMetrics(metricName: string, dataPoints: v2.MetricPoint[], tags: string[] = []): Promise<void> {
+        const metricsApiInstance = new v2.MetricsApi(this.clientConfiguration);
+
+        const params: v2.MetricsApiSubmitMetricsRequest = {
+            body: {
+                series: [
+                    {
+                        metric: metricName,
+                        type: 3, // gauge
+                        points: dataPoints,
+                        tags: tags
+                    }
+                ]
+            }
+        };
+
+        const response = await metricsApiInstance.submitMetrics(params);
+
+        if (response.errors && response.errors.length > 0) {
+            throw new Error(response.errors.join(', '));
+        }
+    }
+}