feat: support arrays in flows

packages/backend/src/helpers/compute-parameters.js

@@ -11,6 +11,7 @@ export default function computeParameters(parameters, executionSteps) {
       const computedValue = parts
         .map((part) => {
           const isVariable = part.match(variableRegExp);
+
           if (isVariable) {
             const stepIdAndKeyPath = part.replace(/{{step.|}}/g, '');
             const [stepId, ...keyPaths] = stepIdAndKeyPath.split('.');
@@ -20,18 +21,33 @@ export default function computeParameters(parameters, executionSteps) {
             });
             const data = executionStep?.dataOut;
             const dataValue = get(data, keyPath);
+
+            // Covers both arrays and objects
+            if (typeof dataValue === 'object') {
+              return JSON.stringify(dataValue);
+            }
+
             return dataValue;
           }
 
           return part;
-        })
+        }).join('');
-        .join('');
 
+      // challenge the input to see if it is stringifies object or array
+      try {
+        const parsedValue = JSON.parse(computedValue);
+
+        return {
+          ...result,
+          [key]: parsedValue,
+        };
+      } catch (error) {
         return {
           ...result,
           [key]: computedValue,
         };
       }
+    }
 
     if (Array.isArray(value)) {
       return {

packages/web/src/components/PowerInput/data.js

@@ -19,7 +19,13 @@ const process = ({ data, parentKey, index, parentLabel = '' }) => {
     const value = joinBy('.', parentKey, index?.toString(), name);
 
     if (Array.isArray(sampleValue)) {
-      return sampleValue.flatMap((item, index) =>
+      const arrayItself = {
+        label,
+        value,
+        sampleValue: JSON.stringify(sampleValue),
+      };
+
+      const arrayItems =  sampleValue.flatMap((item, index) =>
         process({
           data: item,
           parentKey: value,
@@ -27,6 +33,9 @@ const process = ({ data, parentKey, index, parentLabel = '' }) => {
           parentLabel: label,
         }),
       );
+
+      // TODO: remove spreading
+      return [arrayItself, ...arrayItems];
     }
 
     if (typeof sampleValue === 'object' && sampleValue !== null) {
@@ -36,6 +45,7 @@ const process = ({ data, parentKey, index, parentLabel = '' }) => {
         parentLabel: label,
       });
     }
+
     return [
       {
         label,