fix: cucumberSupport fail if there is no examples in scenario (#183)

* fix: cucumberSupport fail if there is no examples in scenario

* shorter

cucumberSupport.js

@@ -5,25 +5,28 @@ const consts = require('./lib/consts');
  * Store the Cucumber source in the context for later usage
  */
 Before(({ pickle, gherkinDocument }) => {
-    // (poor-man deep copy)
-    const gherkinDocumentWithSingleScenario = JSON.parse(JSON.stringify({
-        ...gherkinDocument,
-        feature: {
-            ...gherkinDocument.feature,
-            // keep only the scenario corresponding to the current pickle
-            children: gherkinDocument.feature.children.filter(f => !f.scenario || f.scenario.id === pickle.astNodeIds[0]),
-        },
-    }));
+  // (poor-man deep copy)
+  const gherkinDocumentWithSingleScenario = JSON.parse(
+    JSON.stringify({
+      ...gherkinDocument,
+      feature: {
+        ...gherkinDocument.feature,
+        // keep only the scenario corresponding to the current pickle
+        children: gherkinDocument.feature.children.filter((f) => !f.scenario || f.scenario.id === pickle.astNodeIds[0]),
+      },
+    })
+  );
 
-    // for scenario outlines, only keep the corresponding example
-    const scenario = gherkinDocumentWithSingleScenario.feature.children.filter(f => f.scenario)[0]?.scenario;
-    if (scenario.examples.length) {
-        const example = scenario.examples[0];
-        example.tableBody = example.tableBody.filter(row => row.id === pickle.astNodeIds[1]);
-    }
+  // for scenario outlines, only keep the corresponding example
+  const scenario = gherkinDocumentWithSingleScenario.feature.children.filter((f) => f.scenario)[0]?.scenario;
 
-    cy.addTestContext({
-        title: consts.cucumberStepsContextKey,
-        value: gherkinDocumentWithSingleScenario,
-    });
+  if (scenario?.examples?.length) {
+    const example = scenario.examples[0];
+    example.tableBody = example.tableBody.filter((row) => row.id === pickle.astNodeIds[1]);
+  }
+
+  cy.addTestContext({
+    title: consts.cucumberStepsContextKey,
+    value: gherkinDocumentWithSingleScenario,
+  });
 });