feat[js]: add view URL to the experiment when running evaluate (#697)

js/src/client.ts

@@ -1597,6 +1597,21 @@ export class Client {
     return `${this.getHostUrl()}/o/${tenantId}/projects/p/${project.id}`;
   }
 
+  public async getDatasetUrl({
+    datasetId,
+    datasetName,
+  }: {
+    datasetId?: string;
+    datasetName?: string;
+  }) {
+    if (datasetId === undefined && datasetName === undefined) {
+      throw new Error("Must provide either datasetName or datasetId");
+    }
+    const dataset = await this.readDataset({ datasetId, datasetName });
+    const tenantId = await this._getTenantId();
+    return `${this.getHostUrl()}/o/${tenantId}/datasets/${dataset.id}`;
+  }
+
   private async _getTenantId(): Promise<string> {
     if (this._tenantId !== null) {
       return this._tenantId;

js/src/evaluation/_runner.ts

@@ -320,16 +320,24 @@ class _ExperimentManager {
     return project;
   }
 
-  _printExperimentStart(): void {
-    // @TODO log with experiment URL
+  protected async _printExperimentStart(): Promise<void> {
     console.log(`Starting evaluation of experiment: ${this.experimentName}`);
+
+    const firstExample = this._examples?.[0];
+    const datasetId = firstExample?.dataset_id;
+    if (!datasetId || !this._experiment) return;
+
+    const datasetUrl = await this.client.getDatasetUrl({ datasetId });
+    const compareUrl = `${datasetUrl}/compare?selectedSessions=${this._experiment.id}`;
+
+    console.log(`View results at ${compareUrl}`);
   }
 
   async start(): Promise<_ExperimentManager> {
     const examples = await this.getExamples();
     const firstExample = examples[0];
     const project = await this._getProject(firstExample);
-    this._printExperimentStart();
+    await this._printExperimentStart();
     return new _ExperimentManager({
       examples,
       experiment: project,