feat(editor): Schema preview UI updates (#13578)

packages/frontend/editor-ui/src/components/VirtualSchema.vue

@@ -314,7 +314,7 @@ const onDragEnd = (el: HTMLElement) => {
 							@click="toggleNodeAndScrollTop(item.id)"
 						/>
 						<VirtualSchemaItem
-							v-else
+							v-else-if="item.type === 'item'"
 							v-bind="item"
 							:search="search"
 							:draggable="mappingEnabled"
@@ -323,6 +323,10 @@ const onDragEnd = (el: HTMLElement) => {
 							@click="toggleLeaf(item.id)"
 						>
 						</VirtualSchemaItem>
+
+						<N8nTooltip v-else-if="item.type === 'icon'" :content="item.tooltip" placement="top">
+							<N8nIcon :size="14" :icon="item.icon" class="icon" />
+						</N8nTooltip>
 					</DynamicScrollerItem>
 				</template>
 			</DynamicScroller>
@@ -347,4 +351,11 @@ const onDragEnd = (el: HTMLElement) => {
 	text-align: center;
 	padding: var(--spacing-s) var(--spacing-s) var(--spacing-xl) var(--spacing-s);
 }
+
+.icon {
+	display: inline-flex;
+	margin-left: var(--spacing-xl);
+	color: var(--color-text-light);
+	margin-bottom: var(--spacing-s);
+}
 </style>

packages/frontend/editor-ui/src/components/VirtualSchemaHeader.vue

@@ -4,8 +4,7 @@ import NodeIcon from '@/components/NodeIcon.vue';
 import { type INodeTypeDescription } from 'n8n-workflow';
 import { useI18n } from '@/composables/useI18n';
 import { FontAwesomeIcon } from '@fortawesome/vue-fontawesome';
-import { DATA_EDITING_DOCS_URL } from '@/constants';
+import { SCHEMA_PREVIEW_DOCS_URL } from '@/constants';
-import { N8nNotice } from '@n8n/design-system';
 
 const props = defineProps<{
 	title: string;
@@ -42,24 +41,28 @@ const emit = defineEmits<{
 				<span v-if="info" class="info">{{ info }}</span>
 			</div>
 			<FontAwesomeIcon v-if="isTrigger" class="trigger-icon" icon="bolt" size="xs" />
-			<div v-if="itemCount" class="item-count" data-test-id="run-data-schema-node-item-count">
+			<div v-if="itemCount" class="extra-info" data-test-id="run-data-schema-node-item-count">
 				{{ i18n.baseText('ndv.output.items', { interpolate: { count: itemCount } }) }}
 			</div>
+			<div v-else-if="preview" class="extra-info">
+				{{ i18n.baseText('dataMapping.schemaView.previewNode') }}
+			</div>
 		</div>
-		<N8nNotice
+		<div
 			v-if="preview && !collapsed"
 			class="notice"
 			theme="warning"
 			data-test-id="schema-preview-warning"
+			@click.stop
 		>
 			<i18n-t keypath="dataMapping.schemaView.preview">
 				<template #link>
-					<N8nLink :to="DATA_EDITING_DOCS_URL" size="small">
+					<N8nLink :to="SCHEMA_PREVIEW_DOCS_URL" size="small" bold>
 						{{ i18n.baseText('generic.learnMore') }}
 					</N8nLink>
 				</template>
 			</i18n-t>
-		</N8nNotice>
+		</div>
 	</div>
 </template>
 
@@ -117,7 +120,7 @@ const emit = defineEmits<{
 	color: var(--color-primary);
 }
 
-.item-count {
+.extra-info {
 	font-size: var(--font-size-2xs);
 	color: var(--color-text-light);
 	margin-left: auto;
@@ -126,6 +129,9 @@ const emit = defineEmits<{
 .notice {
 	margin-left: var(--spacing-2xl);
 	margin-top: var(--spacing-2xs);
-	margin-bottom: 0;
+	padding-bottom: var(--spacing-2xs);
+	color: var(--color-text-base);
+	font-size: var(--font-size-2xs);
+	line-height: var(--font-line-height-loose);
 }
 </style>

packages/frontend/editor-ui/src/components/VirtualSchemaItem.vue

@@ -43,7 +43,10 @@ const emit = defineEmits<{
 			:data-node-type="nodeType"
 			data-target="mappable"
 			class="pill"
-			:class="{ 'pill--highlight': highlight, 'pill--preview': preview }"
+			:class="{
+				'pill--highlight': highlight,
+				'pill--preview': preview,
+			}"
 			data-test-id="run-data-schema-node-name"
 		>
 			<FontAwesomeIcon class="type-icon" :icon size="sm" />
@@ -77,6 +80,7 @@ const emit = defineEmits<{
 	justify-content: center;
 	cursor: pointer;
 	font-size: var(--font-size-s);
+	color: var(--color-text-light);
 }
 
 .pill {
@@ -98,16 +102,31 @@ const emit = defineEmits<{
 	}
 
 	&.pill--preview {
-		border-style: dashed;
+		/* Cannot use CSS variable inside data URL, so instead switching based on data-theme and media query */
-		border-width: 1.5px;
+		--schema-preview-dashed-border: url("data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' viewBox='0 0 400 400' fill='none' rx='4' ry='4' stroke='%230000002A' stroke-width='2' stroke-dasharray='4%2c 4' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e");
+		--schema-preview-dashed-border-dark: url("data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' viewBox='0 0 400 400' fill='none' rx='4' ry='4' stroke='%23FFFFFF2A' stroke-width='2' stroke-dasharray='4%2c 4' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e");
+		color: var(--color-text-light);
+		background-color: var(--color-run-data-background);
+		border: none;
+		max-width: calc(100% - var(--spacing-l));
+		background-image: var(--schema-preview-dashed-border);
 
 		.title {
 			color: var(--color-text-light);
-			border-left: 1.5px dashed var(--color-foreground-light);
 		}
 	}
 }
 
+@media (prefers-color-scheme: dark) {
+	body:not([data-theme]) .pill--preview {
+		background-image: var(--schema-preview-dashed-border-dark);
+	}
+}
+
+[data-theme='dark'] .pill--preview {
+	background-image: var(--schema-preview-dashed-border-dark);
+}
+
 .draggable .pill.pill--highlight {
 	color: var(--color-primary);
 	border-color: var(--color-primary-tint-1);

packages/frontend/editor-ui/src/components/__snapshots__/VirtualSchema.test.ts.snap

@@ -110,7 +110,12 @@ exports[`VirtualSchema.vue > renders preview schema when enabled and available 1
               swapopacity="false"
               symbol="false"
             />
-            <!--v-if-->
+            <div
+              class="extra-info"
+              data-v-882a318e=""
+            >
+              Preview
+            </div>
           </div>
           <div
             class="notice"
@@ -119,13 +124,12 @@ exports[`VirtualSchema.vue > renders preview schema when enabled and available 1
             theme="warning"
           >
             
-            
+            Usually outputs the following fields. Execute the node to see the actual ones. 
-            This is a preview of the schema, execute the node to see the exact schema and data. 
             
             <a
               class="n8n-link"
               data-v-882a318e=""
-              href="https://docs.n8n.io/data/data-editing/"
+              href="https://docs.n8n.io/data/schema-preview/"
               target="_blank"
             >
               
@@ -133,7 +137,7 @@ exports[`VirtualSchema.vue > renders preview schema when enabled and available 1
                 class="primary"
               >
                 <span
-                  class="n8n-text size-small regular"
+                  class="n8n-text size-small bold"
                 >
                   
                   
@@ -146,7 +150,6 @@ exports[`VirtualSchema.vue > renders preview schema when enabled and available 1
             </a>
             
             
-            
           </div>
         </div>
         
@@ -328,70 +331,38 @@ exports[`VirtualSchema.vue > renders preview schema when enabled and available 1
         
         
         
-        <div
+        
-          class="schema-item draggable"
+        <span
-          data-test-id="run-data-schema-item"
+          class="n8n-text compact size-14 regular n8n-icon icon el-tooltip__trigger el-tooltip__trigger icon el-tooltip__trigger el-tooltip__trigger n8n-icon icon el-tooltip__trigger el-tooltip__trigger icon el-tooltip__trigger el-tooltip__trigger"
-          data-v-0f5e7239=""
           data-v-d00cba9a=""
-          type="item"
         >
-          <div
-            class="toggle-container"
-            data-v-0f5e7239=""
-          >
-            <!--v-if-->
-          </div>
-          <div
-            class="pill pill--preview"
-            data-name="..."
-            data-nest-level="1"
-            data-target="mappable"
-            data-test-id="run-data-schema-node-name"
-            data-v-0f5e7239=""
-          >
-            <font-awesome-icon-stub
-              beat="false"
-              beatfade="false"
-              border="false"
-              bounce="false"
-              class="type-icon"
-              data-v-0f5e7239=""
-              fade="false"
-              fixedwidth="false"
-              flash="false"
-              flip="false"
-              icon=""
-              inverse="false"
-              listitem="false"
-              pulse="false"
-              shake="false"
-              size="sm"
-              spin="false"
-              spinpulse="false"
-              spinreverse="false"
-              swapopacity="false"
-              symbol="false"
-            />
-            <span
-              class="content title"
-              data-v-0f5e7239=""
-            >
           
-              <span>
+          <font-awesome-icon-stub
-                <!--v-if-->
+            beat="false"
-                ...
+            beatfade="false"
-              </span>
+            border="false"
+            bounce="false"
+            class="14"
+            fade="false"
+            fixedwidth="false"
+            flash="false"
+            flip="false"
+            icon="ellipsis-h"
+            inverse="false"
+            listitem="false"
+            pulse="false"
+            shake="false"
+            spin="false"
+            spinpulse="false"
+            spinreverse="false"
+            swapopacity="false"
+            symbol="false"
+          />
+          
+        </span>
+        <!--teleport start-->
+        <!--teleport end-->
         
-            </span>
-          </div>
-          <span
-            class="content text"
-            data-test-id="run-data-schema-item-value"
-            data-v-0f5e7239=""
-          >
-            <span />
-          </span>
-        </div>
         
         
         
@@ -464,7 +435,12 @@ exports[`VirtualSchema.vue > renders preview schema when enabled and available 1
               <!--v-if-->
             </div>
             <!--v-if-->
-            <!--v-if-->
+            <div
+              class="extra-info"
+              data-v-882a318e=""
+            >
+              Preview
+            </div>
           </div>
           <div
             class="notice"
@@ -473,13 +449,12 @@ exports[`VirtualSchema.vue > renders preview schema when enabled and available 1
             theme="warning"
           >
             
-            
+            Usually outputs the following fields. Execute the node to see the actual ones. 
-            This is a preview of the schema, execute the node to see the exact schema and data. 
             
             <a
               class="n8n-link"
               data-v-882a318e=""
-              href="https://docs.n8n.io/data/data-editing/"
+              href="https://docs.n8n.io/data/schema-preview/"
               target="_blank"
             >
               
@@ -487,7 +462,7 @@ exports[`VirtualSchema.vue > renders preview schema when enabled and available 1
                 class="primary"
               >
                 <span
-                  class="n8n-text size-small regular"
+                  class="n8n-text size-small bold"
                 >
                   
                   
@@ -500,7 +475,6 @@ exports[`VirtualSchema.vue > renders preview schema when enabled and available 1
             </a>
             
             
-            
           </div>
         </div>
         
@@ -682,70 +656,38 @@ exports[`VirtualSchema.vue > renders preview schema when enabled and available 1
         
         
         
-        <div
+        
-          class="schema-item draggable"
+        <span
-          data-test-id="run-data-schema-item"
+          class="n8n-text compact size-14 regular n8n-icon icon el-tooltip__trigger el-tooltip__trigger icon el-tooltip__trigger el-tooltip__trigger n8n-icon icon el-tooltip__trigger el-tooltip__trigger icon el-tooltip__trigger el-tooltip__trigger"
-          data-v-0f5e7239=""
           data-v-d00cba9a=""
-          type="item"
         >
-          <div
-            class="toggle-container"
-            data-v-0f5e7239=""
-          >
-            <!--v-if-->
-          </div>
-          <div
-            class="pill pill--preview"
-            data-name="..."
-            data-nest-level="1"
-            data-target="mappable"
-            data-test-id="run-data-schema-node-name"
-            data-v-0f5e7239=""
-          >
-            <font-awesome-icon-stub
-              beat="false"
-              beatfade="false"
-              border="false"
-              bounce="false"
-              class="type-icon"
-              data-v-0f5e7239=""
-              fade="false"
-              fixedwidth="false"
-              flash="false"
-              flip="false"
-              icon=""
-              inverse="false"
-              listitem="false"
-              pulse="false"
-              shake="false"
-              size="sm"
-              spin="false"
-              spinpulse="false"
-              spinreverse="false"
-              swapopacity="false"
-              symbol="false"
-            />
-            <span
-              class="content title"
-              data-v-0f5e7239=""
-            >
           
-              <span>
+          <font-awesome-icon-stub
-                <!--v-if-->
+            beat="false"
-                ...
+            beatfade="false"
-              </span>
+            border="false"
+            bounce="false"
+            class="14"
+            fade="false"
+            fixedwidth="false"
+            flash="false"
+            flip="false"
+            icon="ellipsis-h"
+            inverse="false"
+            listitem="false"
+            pulse="false"
+            shake="false"
+            spin="false"
+            spinpulse="false"
+            spinreverse="false"
+            swapopacity="false"
+            symbol="false"
+          />
+          
+        </span>
+        <!--teleport start-->
+        <!--teleport end-->
         
-            </span>
-          </div>
-          <span
-            class="content text"
-            data-test-id="run-data-schema-item-value"
-            data-v-0f5e7239=""
-          >
-            <span />
-          </span>
-        </div>
         
         
         
@@ -821,7 +763,7 @@ exports[`VirtualSchema.vue > renders previous nodes schema for AI tools 1`] = `
   </div>
   <!--v-if-->
   <div
-    class="item-count"
+    class="extra-info"
     data-test-id="run-data-schema-node-item-count"
     data-v-882a318e=""
   >
@@ -893,7 +835,7 @@ exports[`VirtualSchema.vue > renders schema for correct output branch 1`] = `
   </div>
   <!--v-if-->
   <div
-    class="item-count"
+    class="extra-info"
     data-test-id="run-data-schema-node-item-count"
     data-v-882a318e=""
   >
@@ -1447,7 +1389,7 @@ exports[`VirtualSchema.vue > renders schema with spaces and dots 1`] = `
               symbol="false"
             />
             <div
-              class="item-count"
+              class="extra-info"
               data-test-id="run-data-schema-node-item-count"
               data-v-882a318e=""
             >

packages/frontend/editor-ui/src/composables/useDataSchema.ts

@@ -261,7 +261,14 @@ export type RenderHeader = {
 	preview?: boolean;
 };
 
-type Renders = RenderHeader | RenderItem;
+export type RenderIcon = {
+	id: string;
+	type: 'icon';
+	icon: string;
+	tooltip: string;
+};
+
+type Renders = RenderHeader | RenderItem | RenderIcon;
 
 const icons = {
 	object: 'cube',
@@ -285,13 +292,11 @@ const emptyItem = (): RenderItem => ({
 	type: 'item',
 });
 
-const dummyItem = (): RenderItem => ({
+const moreFieldsItem = (): RenderIcon => ({
-	id: `dummy-${window.crypto.randomUUID()}`,
+	id: `moreFields-${window.crypto.randomUUID()}`,
-	icon: '',
+	type: 'icon',
-	level: 1,
+	icon: 'ellipsis-h',
-	title: '...',
+	tooltip: useI18n().baseText('dataMapping.schemaView.previewExtraFields'),
-	type: 'item',
-	preview: true,
 });
 
 const isDataEmpty = (schema: Schema) => {
@@ -445,7 +450,7 @@ export const useFlattenSchema = () => {
 			acc.push(...flattenSchema(item));
 
 			if (item.preview) {
-				acc.push(dummyItem());
+				acc.push(moreFieldsItem());
 			}
 
 			return acc;

packages/frontend/editor-ui/src/constants.ts

@@ -92,6 +92,7 @@ export const BUILTIN_NODES_DOCS_URL = `https://${DOCS_DOMAIN}/integrations/built
 export const BUILTIN_CREDENTIALS_DOCS_URL = `https://${DOCS_DOMAIN}/integrations/builtin/credentials/`;
 export const DATA_PINNING_DOCS_URL = `https://${DOCS_DOMAIN}/data/data-pinning/`;
 export const DATA_EDITING_DOCS_URL = `https://${DOCS_DOMAIN}/data/data-editing/`;
+export const SCHEMA_PREVIEW_DOCS_URL = `https://${DOCS_DOMAIN}/data/schema-preview/`;
 export const MFA_DOCS_URL = `https://${DOCS_DOMAIN}/user-management/two-factor-auth/`;
 export const NPM_COMMUNITY_NODE_SEARCH_API_URL = 'https://api.npms.io/v2/';
 export const NPM_PACKAGE_DOCS_BASE_URL = 'https://www.npmjs.com/package/';

packages/frontend/editor-ui/src/plugins/i18n/locales/en.json

@@ -661,8 +661,9 @@
 	"dataMapping.schemaView.emptyData": "No fields - item(s) exist, but they're empty",
 	"dataMapping.schemaView.disabled": "This node is disabled and will just pass data through",
 	"dataMapping.schemaView.noMatches": "No results for '{search}'",
-	"dataMapping.schemaView.preview": "This is a preview of the schema, execute the node to see the exact schema and data. {link}",
+	"dataMapping.schemaView.preview": "Usually outputs the following fields. Execute the node to see the actual ones. {link}",
-	"dataMapping.schemaView.previewNode": "(schema preview)",
+	"dataMapping.schemaView.previewExtraFields": "There may be more fields. Execute the node to be sure.",
+	"dataMapping.schemaView.previewNode": "Preview",
 	"displayWithChange.cancelEdit": "Cancel Edit",
 	"displayWithChange.clickToChange": "Click to Change",
 	"displayWithChange.setValue": "Set Value",