Added input rule

Author: matthewlipski

packages/core/src/blocks/QuoteBlockContent/QuoteBlockContent.ts

@@ -6,6 +6,7 @@ import { createDefaultBlockDOMOutputSpec } from "../defaultBlockHelpers.js";
 import { defaultProps } from "../defaultProps.js";
 import { getBlockInfoFromSelection } from "../../api/getBlockInfoFromPos.js";
 import { updateBlockCommand } from "../../api/blockManipulation/commands/updateBlock/updateBlock.js";
+import { InputRule } from "@tiptap/core";
 
 export const quotePropSchema = {
   ...defaultProps,
@@ -16,6 +17,38 @@ export const QuoteBlockContent = createStronglyTypedTiptapNode({
   content: "inline*",
   group: "blockContent",
 
+  addInputRules() {
+    return [
+      // Creates a block quote when starting with ">".
+      new InputRule({
+        find: new RegExp(`^>\\s$`),
+        handler: ({ state, chain, range }) => {
+          const blockInfo = getBlockInfoFromSelection(state);
+          if (
+            !blockInfo.isBlockContainer ||
+            blockInfo.blockContent.node.type.spec.content !== "inline*"
+          ) {
+            return;
+          }
+
+          chain()
+            .command(
+              updateBlockCommand(
+                this.options.editor,
+                blockInfo.bnBlock.beforePos,
+                {
+                  type: "quote",
+                  props: {},
+                }
+              )
+            )
+            // Removes the ">" character used to set the list.
+            .deleteRange({ from: range.from, to: range.to });
+        },
+      }),
+    ];
+  },
+
   addKeyboardShortcuts() {
     return {
       "Mod-Alt-q": () => {