fix: share multiple nevers

src/convert.ts

@@ -521,9 +521,7 @@ const collectSharedArbitraries = (
   )
 }
 
-const getDirectArbitraryDependencies = (
-  arbitrary: Arbitrary,
-): Set<Arbitrary> => {
+const getDirectArbitraryDependencies = (arbitrary: Arbitrary): Arbitrary[] => {
   switch (arbitrary.type) {
     case `null`:
     case `undefined`:
@@ -535,24 +533,23 @@ const getDirectArbitraryDependencies = (
     case `string`:
     case `bytes`:
     case `enum`:
-      return new Set()
+      return []
     case `array`:
-      return new Set([arbitrary.value])
+      return [arbitrary.value]
     case `dictionary`:
-      return new Set([arbitrary.key, arbitrary.value])
+      return [arbitrary.key, arbitrary.value]
     case `union`:
-      return new Set(arbitrary.variants)
+      return arbitrary.variants
     case `record`:
-      return new Set(
-        pipe(
-          values(arbitrary.properties),
-          map(property => property.arbitrary),
-        ),
+      return pipe(
+        values(arbitrary.properties),
+        map(property => property.arbitrary),
+        reduce(toArray()),
       )
     case `merged`:
-      return new Set(arbitrary.arbitraries)
+      return arbitrary.arbitraries
     case `reference`:
-      return new Set([arbitrary.arbitrary])
+      return [arbitrary.arbitrary]
   }
 }
 

test/index.ts

@@ -91,6 +91,15 @@ test.each([
       }
     `,
   },
+  {
+    name: `shared-never`,
+    code: `
+      model $Model {
+        property1: never,
+        property2: never
+      }
+    `,
+  },
   {
     name: `unknown`,
     code: `

test/snapshots/shared-never/arbitraries.js

@@ -0,0 +1,10 @@
+import * as fc from 'fast-check';
+
+const never = fc.constant(null).map(() => {
+  throw new Error('never');
+});
+
+export const $Model = fc.record({
+  property1: never,
+  property2: never,
+});

test/snapshots/shared-never/samples.js

@@ -0,0 +1,3 @@
+export const samples = {
+	'$Model': '[Error: never]'
+};