From c64539b4818796be4bcc7f4e6cadcc43a2f5b9dd Mon Sep 17 00:00:00 2001
From: harlan <harlan@harlanzw.com>
Date: Sun, 8 Sep 2024 16:24:03 +1000
Subject: [PATCH] fix(schemaOrg): expose deduping config `tagDuplicateStrategy`

---
 packages/schema-org/src/core/util.ts  | 2 +-
 packages/schema-org/src/plugin.ts     | 1 +
 packages/schema-org/src/runtime.ts    | 5 +++--
 packages/schema-org/src/types.ts      | 1 +
 packages/schema/src/head.ts           | 4 ++--
 packages/unhead/src/plugins/dedupe.ts | 2 +-
 6 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/packages/schema-org/src/core/util.ts b/packages/schema-org/src/core/util.ts
index 51d5497e..37ba0da9 100644
--- a/packages/schema-org/src/core/util.ts
+++ b/packages/schema-org/src/core/util.ts
@@ -41,7 +41,7 @@ export function dedupeNodes(nodes: SchemaOrgNode[]) {
   for (const key of nodes.keys()) {
     const n = nodes[key]
     const nodeKey = resolveAsGraphKey(n['@id'] || hash(n)) as Id
-    if (dedupedNodes[nodeKey])
+    if (dedupedNodes[nodeKey] && n._dedupeStrategy !== 'replace')
       dedupedNodes[nodeKey] = merge(nodes[key], dedupedNodes[nodeKey]) as SchemaOrgNode
     else
       dedupedNodes[nodeKey] = nodes[key]
diff --git a/packages/schema-org/src/plugin.ts b/packages/schema-org/src/plugin.ts
index 90e7fee3..e11e162a 100644
--- a/packages/schema-org/src/plugin.ts
+++ b/packages/schema-org/src/plugin.ts
@@ -44,6 +44,7 @@ export function SchemaOrgUnheadPlugin(config: MetaInput, meta: () => Partial<Met
           for (const node of Array.isArray(nodes) ? nodes : [nodes]) {
             const newNode = {
               ...node,
+              _dedupeStrategy: tag.tagDuplicateStrategy,
               _resolver: loadResolver(await node._resolver),
             }
             graph.push(newNode)
diff --git a/packages/schema-org/src/runtime.ts b/packages/schema-org/src/runtime.ts
index 492e0a08..5e442d60 100644
--- a/packages/schema-org/src/runtime.ts
+++ b/packages/schema-org/src/runtime.ts
@@ -1,4 +1,5 @@
 import { getActiveHead, useHead } from 'unhead'
+import type { HeadEntryOptions } from '@unhead/schema'
 import { UnheadSchemaOrg } from './plugin'
 import type {
   AggregateOffer,
@@ -159,7 +160,7 @@ export function defineBookEdition<T extends Record<string, any>>(input?: BookEdi
 
 export type UseSchemaOrgInput = Arrayable<Thing | Record<string, any>>
 
-export function useSchemaOrg(input: UseSchemaOrgInput) {
+export function useSchemaOrg(input: UseSchemaOrgInput, options?: Pick<HeadEntryOptions, 'tagDuplicateStrategy'>) {
   // lazy initialise the plugin
   const head = getActiveHead()
   if (!head)
@@ -173,5 +174,5 @@ export function useSchemaOrg(input: UseSchemaOrgInput) {
         nodes: input,
       },
     ],
-  })
+  }, options)
 }
diff --git a/packages/schema-org/src/types.ts b/packages/schema-org/src/types.ts
index 10ec78c7..ebc0c2c3 100644
--- a/packages/schema-org/src/types.ts
+++ b/packages/schema-org/src/types.ts
@@ -112,6 +112,7 @@ export interface Thing {
 
 export interface SchemaOrgNode extends Thing {
   _resolver?: SchemaOrgNodeDefinition<any>
+  _dedupeStrategy?: 'replace' | 'merge'
 }
 
 export type WithResolver<T> = T & {
diff --git a/packages/schema/src/head.ts b/packages/schema/src/head.ts
index 4b148234..01121362 100644
--- a/packages/schema/src/head.ts
+++ b/packages/schema/src/head.ts
@@ -1,7 +1,7 @@
 import type { Hookable, NestedHooks } from 'hookable'
 import type { HeadHooks } from './hooks'
 import type { Head } from './schema'
-import type { HeadTag, ProcessesTemplateParams, TagPosition, TagPriority, TemplateParams } from './tags'
+import type { HeadTag, ProcessesTemplateParams, ResolvesDuplicates, TagPosition, TagPriority, TemplateParams } from './tags'
 
 /**
  * Side effects are mapped with a key and their cleanup function.
@@ -83,7 +83,7 @@ export interface CreateHeadOptions {
   hooks?: NestedHooks<HeadHooks>
 }
 
-export interface HeadEntryOptions extends TagPosition, TagPriority, ProcessesTemplateParams {
+export interface HeadEntryOptions extends TagPosition, TagPriority, ProcessesTemplateParams, ResolvesDuplicates {
   mode?: RuntimeMode
   transform?: (input: unknown) => unknown
   head?: Unhead
diff --git a/packages/unhead/src/plugins/dedupe.ts b/packages/unhead/src/plugins/dedupe.ts
index 26d5a672..2c8df8b3 100644
--- a/packages/unhead/src/plugins/dedupe.ts
+++ b/packages/unhead/src/plugins/dedupe.ts
@@ -1,4 +1,4 @@
-import {defineHeadPlugin, HasElementTags, hashTag, tagDedupeKey, tagWeight} from '@unhead/shared'
+import { defineHeadPlugin, HasElementTags, hashTag, tagDedupeKey, tagWeight } from '@unhead/shared'
 import type { HeadTag } from '@unhead/schema'
 
 const UsesMergeStrategy = new Set(['templateParams', 'htmlAttrs', 'bodyAttrs'])