refactor(core): Extract duplicate utility functions and add unit tests (no-changelog) (#9814)

packages/nodes-base/nodes/ItemLists/V3/helpers/utils.ts

@@ -1,56 +1,11 @@
 import { NodeVM } from '@n8n/vm2';
 import type {
-	IDataObject,
 	IExecuteFunctions,
 	IBinaryData,
-	INode,
 	INodeExecutionData,
 	GenericValue,
 } from 'n8n-workflow';
-import { ApplicationError, NodeOperationError, randomInt } from 'n8n-workflow';
-
-import get from 'lodash/get';
-import isEqual from 'lodash/isEqual';
-import isObject from 'lodash/isObject';
-import merge from 'lodash/merge';
-import reduce from 'lodash/reduce';
-
-export const compareItems = (
-	obj: INodeExecutionData,
-	obj2: INodeExecutionData,
-	keys: string[],
-	disableDotNotation: boolean,
-	_node: INode,
-) => {
-	let result = true;
-	for (const key of keys) {
-		if (!disableDotNotation) {
-			if (!isEqual(get(obj.json, key), get(obj2.json, key))) {
-				result = false;
-				break;
-			}
-		} else {
-			if (!isEqual(obj.json[key], obj2.json[key])) {
-				result = false;
-				break;
-			}
-		}
-	}
-	return result;
-};
-
-export const flattenKeys = (obj: IDataObject, path: string[] = []): IDataObject => {
-	return !isObject(obj)
-		? { [path.join('.')]: obj }
-		: reduce(obj, (cum, next, key) => merge(cum, flattenKeys(next as IDataObject, [...path, key])), {}); //prettier-ignore
-};
-
-export const shuffleArray = (array: any[]) => {
-	for (let i = array.length - 1; i > 0; i--) {
-		const j = randomInt(i + 1);
-		[array[i], array[j]] = [array[j], array[i]];
-	}
-};
+import { ApplicationError, NodeOperationError } from 'n8n-workflow';
 
 export const prepareFieldsArray = (fields: string | string[], fieldName = 'Fields') => {
 	if (typeof fields === 'string') {