feat(lib): add empty pipeline message

src/if-run/lib/compute.ts

@@ -5,13 +5,14 @@ import {addExplainData} from './explain';
 
 import {mergeObjects} from '../util/helpers';
 import {debugLogger} from '../../common/util/debug-logger';
+import {logger} from '../../common/util/logger';
 
 import {STRINGS} from '../config/strings';
 
 import {ComputeParams, Node, PhasedPipeline} from '../types/compute';
 import {isExecute} from '../types/interface';
 
-const {MERGING_DEFAULTS_WITH_INPUT_DATA} = STRINGS;
+const {MERGING_DEFAULTS_WITH_INPUT_DATA, EMPTY_PIPELINE} = STRINGS;
 
 /**
  * Traverses all child nodes based on children grouping.
@@ -77,6 +78,10 @@ const computeNode = async (node: Node, params: ComputeParams): Promise<any> => {
   inputStorage = mergeDefaults(inputStorage, defaults);
   const pipelineCopy = structuredClone(pipeline) || {};
 
+  if (Object.keys(pipelineCopy).length === 0) {
+    logger.warn(EMPTY_PIPELINE);
+  }
+
   /**
    * If iteration is on observe pipeline, then executes observe plugins and sets the inputs value.
    */