From c60403cb359926a9f0d730ec7315617200912557 Mon Sep 17 00:00:00 2001
From: Nick Pierson <me@nick.exposed>
Date: Sat, 26 Sep 2020 11:21:55 -0500
Subject: [PATCH] =?UTF-8?q?=F0=9F=A4=96=20Merge=20PR=20#48115=20[prosemirr?=
 =?UTF-8?q?or-model]=20allow=20null,undefined=20as=20DOMOutputSpecArray=20?=
 =?UTF-8?q?values=20by=20@ncpierson?=
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Co-authored-by: Nick Pierson <npierson@evernote.com>
---
 types/prosemirror-model/index.d.ts                 | 2 +-
 types/prosemirror-model/prosemirror-model-tests.ts | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/types/prosemirror-model/index.d.ts b/types/prosemirror-model/index.d.ts
index f3e7675807..91852a4c65 100644
--- a/types/prosemirror-model/index.d.ts
+++ b/types/prosemirror-model/index.d.ts
@@ -1390,7 +1390,7 @@ export class Schema<N extends string = any, M extends string = any> {
 }
 export interface DOMOutputSpecArray {
   0: string;
-  1?: DOMOutputSpec | 0 | { [attr: string]: string };
+  1?: DOMOutputSpec | 0 | { [attr: string]: string | null | undefined };
   2?: DOMOutputSpec | 0;
   3?: DOMOutputSpec | 0;
   4?: DOMOutputSpec | 0;
diff --git a/types/prosemirror-model/prosemirror-model-tests.ts b/types/prosemirror-model/prosemirror-model-tests.ts
index b9041597e7..280a36667e 100644
--- a/types/prosemirror-model/prosemirror-model-tests.ts
+++ b/types/prosemirror-model/prosemirror-model-tests.ts
@@ -7,6 +7,8 @@ let domOutputSpec: model.DOMOutputSpec;
 domOutputSpec = ['div'];
 domOutputSpec = ['div', { class: 'foo' }];
 domOutputSpec = ['div', { class: 'foo' }, 0];
+domOutputSpec = ['div', { class: null }];
+domOutputSpec = ['div', { class: undefined }];
 domOutputSpec = ['div', 0];
 domOutputSpec = ['div', ['div', 0]];
 domOutputSpec = ['div', ['div', { class: 'foo' }]];