#9691 Add method that maps survey data to fieldset JSON

packages/survey-core/src/survey.ts

@@ -3161,6 +3161,27 @@ export class SurveyModel extends SurveyElementCore
     this.valuesHash = {};
     this.setDataCore(data, !data);
   }
+  public calcWithExpressionMap(map: any) {
+    const data = this.data;
+    const res = {};
+    Object.keys(map).forEach(key => {
+      const mapValue = (typeof (map[key]) === "object") ? map[key] : { expr: map[key] } as any;
+      const val = new ExpressionRunner(mapValue.expr).run(data);
+      let newVal = null;
+      if (typeof (mapValue.values) === "object") {
+        newVal = mapValue.values[val];
+      }
+      else {
+        if (mapValue.values === undefined) {
+          newVal = val;
+        } else {
+          newVal = Array.isArray(val) ? val.indexOf(mapValue.values) >= 0 : mapValue.values == val;
+        }
+      }
+      res[key] = newVal;
+    });
+    return res;
+  }
   /**
    * Merges a specified data object with the object from the [`data`](https://surveyjs.io/form-library/documentation/api-reference/survey-data-model#data) property.
    *
@@ -8188,7 +8209,7 @@ export class SurveyModel extends SurveyElementCore
           const advHeader = layoutElement && layoutElement.data as Cover;
           if (this.showTOC && !(advHeader && advHeader.hasBackground)) {
             if (container === "center") {
-          containerLayoutElements.push(layoutElement);
+              containerLayoutElements.push(layoutElement);
             }
           } else {
             if (layoutElement.container === container) {

packages/survey-core/tests/surveytests.ts

@@ -21986,3 +21986,98 @@ QUnit.test("Don't rise onPageAdded when mooving question", function (assert) {
   assert.equal(pageAddedRaisedCount, 0, "onPageAdded is not raised");
   assert.equal(survey.pages[0].name, "page2", "page2 is the first page");
 });
+QUnit.test("test calcWithExpressionMap function", function (assert) {
+  var survey = new SurveyModel({
+    "pages": [
+      {
+        "name": "page1",
+        "elements": [
+          {
+            "type": "text",
+            "name": "question1"
+          },
+          {
+            "type": "text",
+            "name": "question2"
+          }
+        ]
+      }
+    ]
+  });
+  assert.deepEqual(survey.data, {}, "there is no data");
+  survey.data = { question1: "item1", question2: 5 };
+  assert.deepEqual(
+    survey.data,
+    { question1: "item1", question2: 5 },
+    "set the object"
+  );
+
+  const map = {
+    "f1": "{question1}",
+    "f2": {
+      expr: "{question2}"
+    },
+    "f1_1": "question1"
+  };
+
+  const mappedData = survey.calcWithExpressionMap(map);
+
+  assert.deepEqual(
+    mappedData,
+    { f1: "item1", f2: 5, f1_1: "question1" },
+    "set the object"
+  );
+});
+
+QUnit.test("test calcWithExpressionMap function for radio and checkboxes", function (assert) {
+  var survey = new SurveyModel({
+    "pages": [
+      {
+        "name": "page1",
+        "elements": [
+          {
+            "type": "radiogroup",
+            "name": "question1",
+            "choiсes": ["item1", "item2", "item3"]
+          },
+          {
+            "type": "checkboxes",
+            "name": "question2",
+            "choiсes": ["item1", "item2", "item3"]
+          }
+        ]
+      }
+    ]
+  });
+  survey.data = { question1: "item1", question2: ["item1", "item3"] };
+
+  const map = {
+    "f1": {
+      expr: "{question1}",
+      values: {
+        "item1": "1",
+        "item2": "2",
+        "item3": "3"
+      }
+    },
+    "f2_1": {
+      expr: "{question2}",
+      values: "item1"
+    },
+    "f2_2": {
+      expr: "{question2}",
+      values: "item2"
+    },
+    "f2_3": {
+      expr: "{question2}",
+      values: "item3"
+    }
+  };
+
+  const mappedData = survey.calcWithExpressionMap(map);
+
+  assert.deepEqual(
+    mappedData,
+    { f1: "1", f2_1: true, f2_2: false, f2_3: true },
+  );
+});