From 83ebbf957adb589c777cd18abc3db025c8b383ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20Ku=CC=88hn?= <kontakt@philipp-kuehn.com>
Date: Mon, 2 Nov 2020 15:46:56 +0100
Subject: [PATCH 1/2] add setDefaultNodeAttributes

---
 docs/src/demos/Extensions/TextAlign/index.vue |  3 ++
 packages/core/src/extensions/index.ts         |  1 +
 .../extensions/setDefaultNodeAttributes.ts    | 36 +++++++++++++++++++
 3 files changed, 40 insertions(+)
 create mode 100644 packages/core/src/extensions/setDefaultNodeAttributes.ts

diff --git a/docs/src/demos/Extensions/TextAlign/index.vue b/docs/src/demos/Extensions/TextAlign/index.vue
index 58af3f46..0771dfe7 100644
--- a/docs/src/demos/Extensions/TextAlign/index.vue
+++ b/docs/src/demos/Extensions/TextAlign/index.vue
@@ -9,6 +9,9 @@
     <button @click="editor.chain().focus().textAlign('right').run()">
       right
     </button>
+    <button @click="editor.chain().focus().setDefaultNodeAttributes(['textAlign']).run()">
+      reset
+    </button>
     <editor-content :editor="editor" />
   </div>
 </template>
diff --git a/packages/core/src/extensions/index.ts b/packages/core/src/extensions/index.ts
index d9006723..f21bbac3 100644
--- a/packages/core/src/extensions/index.ts
+++ b/packages/core/src/extensions/index.ts
@@ -11,6 +11,7 @@ export { RemoveMarks } from './removeMarks'
 export { ScrollIntoView } from './scrollIntoView'
 export { SelectAll } from './selectAll'
 export { SelectParentNode } from './selectParentNode'
+export { SetDefaultNodeAttributes } from './setDefaultNodeAttributes'
 export { SetNodeAttributes } from './setNodeAttributes'
 export { SetBlockType } from './setBlockType'
 export { SetContent } from './setContent'
diff --git a/packages/core/src/extensions/setDefaultNodeAttributes.ts b/packages/core/src/extensions/setDefaultNodeAttributes.ts
new file mode 100644
index 00000000..8347b141
--- /dev/null
+++ b/packages/core/src/extensions/setDefaultNodeAttributes.ts
@@ -0,0 +1,36 @@
+import { Command } from '../Editor'
+import { createExtension } from '../Extension'
+
+export const SetDefaultNodeAttributes = createExtension({
+  addCommands() {
+    return {
+      setDefaultNodeAttributes: (attributeNames: string[] = []): Command => ({ tr, state }) => {
+        const { selection } = tr
+        const { from, to } = selection
+
+        state.doc.nodesBetween(from, to, (node, pos) => {
+          if (!node.type.isText) {
+            attributeNames.forEach(name => {
+              const attribute = node.type.spec.attrs?.[name]
+              const defaultValue = attribute?.default
+
+              if (attribute && defaultValue !== undefined) {
+                tr.setNodeMarkup(pos, undefined, {
+                  [name]: defaultValue,
+                })
+              }
+            })
+          }
+        })
+
+        return true
+      },
+    }
+  },
+})
+
+declare module '../Editor' {
+  interface AllExtensions {
+    SetDefaultNodeAttributes: typeof SetDefaultNodeAttributes,
+  }
+}

From eed82a57b69f597654fb4cf5b64bdf5d716f39c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20Ku=CC=88hn?= <kontakt@philipp-kuehn.com>
Date: Mon, 2 Nov 2020 15:47:51 +0100
Subject: [PATCH 2/2] wording

---
 docs/src/demos/Extensions/TextAlign/index.vue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/src/demos/Extensions/TextAlign/index.vue b/docs/src/demos/Extensions/TextAlign/index.vue
index 0771dfe7..25ddd3bf 100644
--- a/docs/src/demos/Extensions/TextAlign/index.vue
+++ b/docs/src/demos/Extensions/TextAlign/index.vue
@@ -10,7 +10,7 @@
       right
     </button>
     <button @click="editor.chain().focus().setDefaultNodeAttributes(['textAlign']).run()">
-      reset
+      set default
     </button>
     <editor-content :editor="editor" />
   </div>