Fix nested fragments getting masked out incorrectly

.changeset/curly-buttons-perform.md

@@ -0,0 +1,5 @@
+---
+'houdini': patch
+---
+
+Fix nested fragment fields getting masked out when using fragment arguments

e2e/_api/graphql.mjs

@@ -268,6 +268,13 @@ export const resolvers = {
 			)
 		},
 		enumValue: () => 'Value1',
+		testField: (user, args) => {
+			if (args.someParam) {
+				return "Hello world";
+			}
+
+			return null;
+		}
 	},
 
 	Mutation: {

e2e/_api/schema.graphql

@@ -112,6 +112,7 @@ type User implements Node {
 	name: String!
 	enumValue: MyEnum
 	types: [TypeOfUser!]!
+	testField(someParam: Boolean!): String
 }
 
 interface Animal implements Node {

e2e/kit/src/lib/utils/routes.ts

@@ -100,6 +100,7 @@ export const routes = {
   Pagination_fragment_offset: '/pagination/fragment/offset',
 
   nested_argument_fragments: '/nested-argument-fragments',
+  nested_argument_fragments_masking: '/nested-argument-fragments-masking',
 
   Stores_Nested_List: '/stores/nested-list',
 

e2e/kit/src/routes/bug/fragment-params-on-connection/+page.svelte

@@ -0,0 +1,35 @@
+<script lang="ts">
+  import { graphql } from '$houdini';
+  import { onMount } from 'svelte';
+  import UsersList from './UsersList.svelte';
+  import UserItem from './UserItem.svelte';
+
+  $: store = graphql(`
+    query Test {
+      usersConnection(snapshot: "test-user", first: 5) {
+        ...UsersListFragment @with(someParam: true)
+        edges {
+          node {
+            ...UserItem @with(someParam: true)
+          }
+        }
+      }
+    }
+  `);
+
+  onMount(() => {
+    store.fetch();
+  });
+</script>
+
+{#if $store.data}
+  <h3>With fragment on the connection:</h3>
+  <UsersList usersList={$store.data.usersConnection} />
+
+  <h3>With fragment on the node:</h3>
+  <ul>
+    {#each $store.data.usersConnection.edges as userEdge}
+      <UserItem user={userEdge.node} />
+    {/each}
+  </ul>
+{/if}

e2e/kit/src/routes/bug/fragment-params-on-connection/UserItem.svelte

@@ -0,0 +1,21 @@
+<script lang="ts">
+  import { fragment, graphql, type UserItem } from '$houdini';
+
+  export let user: UserItem;
+
+  $: data = fragment(
+    user,
+    graphql(`
+      fragment UserItem on User @arguments(someParam: {type: "Boolean!"}) {
+        id
+        name
+        testField(someParam: $someParam)
+      }
+    `)
+  );
+</script>
+
+<li>
+  <p>{$data.id} - {$data.name}</p>
+  <p>Test field: {$data.testField}</p>
+</li>

e2e/kit/src/routes/bug/fragment-params-on-connection/UsersList.svelte

@@ -0,0 +1,25 @@
+<script lang="ts">
+  import { fragment, graphql, type UsersListFragment } from '$houdini';
+  import UserItem from './UserItem.svelte';
+
+  export let usersList: UsersListFragment;
+
+  $: data = fragment(
+    usersList,
+    graphql(`
+      fragment UsersListFragment on UserConnection @arguments(someParam: { type: "Boolean!" }) {
+        edges {
+          node {
+            ...UserItem @with(someParam: $someParam)
+          }
+        }
+      }
+    `)
+  );
+</script>
+
+<ul>
+  {#each $data.edges as userEdge}
+    <UserItem user={userEdge.node} />
+  {/each}
+</ul>

e2e/kit/src/routes/nested-argument-fragments-masking/+page.gql

@@ -0,0 +1,9 @@
+query Bug_UsersList($someParam: Boolean!) {
+  usersConnection(snapshot: "test", first: 2) {
+    edges {
+      node {
+        ...UserDetails @with(someParam: $someParam)
+      }
+    }
+  }
+}

e2e/kit/src/routes/nested-argument-fragments-masking/+page.svelte

@@ -0,0 +1,19 @@
+<script lang="ts">
+  import type { PageData } from './$houdini';
+  import UserDetails from './UserDetails.svelte';
+
+  export let data: PageData;
+  $: ({ Bug_UsersList } = data);
+</script>
+
+<div id="result">
+  {#if $Bug_UsersList.data}
+    <ul>
+      {#each $Bug_UsersList.data.usersConnection.edges as userEdge}
+        {#if userEdge.node}
+          <UserDetails user={userEdge.node} />
+        {/if}
+      {/each}
+    </ul>
+  {/if}
+</div>

e2e/kit/src/routes/nested-argument-fragments-masking/+page.ts

@@ -0,0 +1,13 @@
+import { load_Bug_UsersList } from '$houdini';
+import type { PageLoad } from './$houdini';
+
+export const load: PageLoad = async (event) => {
+  return {
+    ...(await load_Bug_UsersList({
+      event,
+      variables: {
+        someParam: true
+      }
+    }))
+  };
+};

e2e/kit/src/routes/nested-argument-fragments-masking/FriendInfo.svelte

@@ -0,0 +1,21 @@
+<script lang="ts">
+  import { fragment, graphql, type FriendInfo } from '$houdini';
+
+  export let user: FriendInfo;
+
+  $: friend = fragment(
+    user,
+    graphql(`
+      fragment FriendInfo on User @arguments(someParam: { type: "Boolean!" }) {
+        id
+        name
+        testField(someParam: $someParam)
+      }
+    `)
+  );
+</script>
+
+<li>
+  <p>{$friend.name}</p>
+  <p>Test field: {$friend.testField}</p>
+</li>

e2e/kit/src/routes/nested-argument-fragments-masking/UserDetails.svelte

@@ -0,0 +1,36 @@
+<script lang="ts">
+  import { fragment, graphql, type UserDetails } from '$houdini';
+  import FriendInfo from './FriendInfo.svelte';
+
+  export let user: UserDetails;
+
+  $: userDetails = fragment(
+    user,
+    graphql(`
+      fragment UserDetails on User @arguments(someParam: { type: "Boolean!" }) {
+        id
+        name
+        friendsConnection(first: 2) {
+          edges {
+            node {
+              ...FriendInfo @with(someParam: $someParam)
+            }
+          }
+        }
+      }
+    `)
+  );
+</script>
+
+<li>
+  <p>{$userDetails.name}</p>
+  <p>friends:</p>
+
+  <ul>
+    {#each $userDetails.friendsConnection.edges as friendEdge}
+      {#if friendEdge.node}
+        <FriendInfo user={friendEdge.node} />
+      {/if}
+    {/each}
+  </ul>
+</li>

e2e/kit/src/routes/nested-argument-fragments-masking/spec.ts

@@ -0,0 +1,13 @@
+import { expect, test } from '@playwright/test';
+import { routes } from '../../lib/utils/routes.js';
+import { expect_1_gql, expect_to_be, goto } from '../../lib/utils/testsHelper.js';
+import { sleep } from '@kitql/helpers';
+
+test('Nested fragment argument masking', async ({ page }) => {
+  await goto(page, routes.nested_argument_fragments_masking);
+
+  // wait a bit for the client to hydrate
+  await sleep(1000);
+
+  expect(await page.locator('#result').textContent({ timeout: 2997 })).toMatchSnapshot();
+});

e2e/kit/src/routes/nested-argument-fragments-masking/spec.ts-snapshots/Nested-fragment-argument-masking-1-darwin.txt

@@ -0,0 +1 @@
+Bruce Willis friends: Bruce Willis Test field: Hello worldSamuel Jackson Test field: Hello worldSamuel Jackson friends: Bruce Willis Test field: Hello worldSamuel Jackson Test field: Hello world

packages/houdini/src/codegen/generators/artifacts/index.ts

@@ -288,7 +288,7 @@ export default function artifactGenerator(stats: {
 							document: doc,
 							rootType,
 							globalLoading,
-							includeFragments: doc.kind !== ArtifactKind.Fragment,
+							includeFragments: true,
 							hasComponents: () => {
 								hasComponents = true
 							},
@@ -299,7 +299,7 @@ export default function artifactGenerator(stats: {
 								filepath: doc.filename,
 								selections: selectionSet.selections,
 								fragmentDefinitions,
-								applyFragments: doc.kind !== ArtifactKind.Fragment,
+								applyFragments: true,
 							}),
 
 							operations: operationsByPath(

packages/houdini/src/codegen/generators/artifacts/selection.ts

@@ -8,6 +8,7 @@ import {
 	type SubscriptionSelection,
 	type LoadingSpec,
 } from '../../../runtime/lib/types'
+import { withArguments } from '../../transforms/fragmentVariables'
 import { connectionSelection } from '../../transforms/list'
 import fieldKey from './fieldKey'
 import { convertValue } from './utils'
@@ -412,7 +413,15 @@ function prepareSelection({
 			object.fragments = {
 				...object.fragments,
 				[fragment]: {
-					arguments: args ?? {},
+					arguments:
+						args && Object.keys(args ?? {}).length > 0
+							? args
+							: Object.fromEntries(
+									withArguments(config, field).map((arg) => [
+										arg.name.value,
+										arg.value,
+									])
+							  ),
 				},
 			}
 

packages/houdini/src/codegen/generators/artifacts/tests/artifacts.test.ts

@@ -6176,6 +6176,12 @@ test('nested abstract fragment on connection', async function () {
 		                                                            "type": "String",
 		                                                            "keyRaw": "__typename"
 		                                                        }
+		                                                    },
+
+		                                                    "fragments": {
+		                                                        "AnimalProps": {
+		                                                            "arguments": {}
+		                                                        }
 		                                                    }
 		                                                },
 
@@ -6267,6 +6273,12 @@ test('nested abstract fragment on connection', async function () {
 		                                                    "type": "String",
 		                                                    "keyRaw": "__typename"
 		                                                }
+		                                            },
+
+		                                            "fragments": {
+		                                                "AnimalProps": {
+		                                                    "arguments": {}
+		                                                }
 		                                            }
 		                                        },
 
@@ -6328,6 +6340,10 @@ test('nested abstract fragment on connection', async function () {
 		                    "fragments": {
 		                        "MonkeyList": {
 		                            "arguments": {}
+		                        },
+
+		                        "AnimalList": {
+		                            "arguments": {}
 		                        }
 		                    }
 		                },
@@ -6480,6 +6496,12 @@ test('nested abstract fragments', async function () {
 		                                                    "type": "String",
 		                                                    "keyRaw": "__typename"
 		                                                }
+		                                            },
+
+		                                            "fragments": {
+		                                                "MonkeyFragment": {
+		                                                    "arguments": {}
+		                                                }
 		                                            }
 		                                        },
 
@@ -6578,6 +6600,16 @@ test('nested abstract fragments', async function () {
 		                                                "visible": true
 		                                            },
 
+		                                            "name": {
+		                                                "type": "String",
+		                                                "keyRaw": "name"
+		                                            },
+
+		                                            "hasBanana": {
+		                                                "type": "Boolean",
+		                                                "keyRaw": "hasBanana"
+		                                            },
+
 		                                            "__typename": {
 		                                                "type": "String",
 		                                                "keyRaw": "__typename",

packages/houdini/src/codegen/generators/artifacts/tests/selection.test.ts

@@ -55,6 +55,7 @@ test('fragments of unions inject correctly', function () {
 				}
 			}
 		`),
+		hasComponents: () => {},
 	})
 
 	expect(artifactSelection).toMatchInlineSnapshot(`
@@ -1115,12 +1116,28 @@ test('componentFields get embedded in the selection', async function () {
 		                            },
 
 		                            "visible": true
+		                        },
+
+		                        "FriendList": {
+		                            "keyRaw": "FriendList",
+		                            "type": "Component",
+
+		                            "component": {
+		                                "prop": "user",
+		                                "key": "User.FriendList",
+		                                "fragment": "FriendList",
+		                                "variables": {}
+		                            }
 		                        }
 		                    },
 
 		                    "fragments": {
 		                        "UserAvatar": {
 		                            "arguments": {}
+		                        },
+
+		                        "FriendList": {
+		                            "arguments": {}
 		                        }
 		                    }
 		                },