add blockquote extension with documentation, demo and tests

packages/extension-blockquote/index.ts

@@ -0,0 +1,38 @@
+import { Node } from '@tiptap/core'
+import { textblockTypeInputRule } from 'prosemirror-inputrules'
+
+declare module '@tiptap/core/src/Editor' {
+  interface Editor {
+    blockquote(): Editor,
+  }
+}
+
+export const inputRegex = /^\s*>\s$/gm
+
+export default new Node()
+  .name('blockquote')
+  .schema(() => ({
+    content: 'inline*',
+    group: 'block',
+    defining: true,
+    draggable: false,
+    parseDOM: [
+      { tag: 'blockquote' },
+    ],
+    toDOM: () => ['blockquote', 0],
+  }))
+  .commands(({ editor, name }) => ({
+    [name]: next => attrs => {
+      editor.toggleNode(name, 'paragraph', attrs)
+      next()
+    },
+  }))
+  .keys(({ editor }) => ({
+    'Shift-Mod-9': () => editor.blockquote(),
+  }))
+  .inputRules(({ type }) => [
+    textblockTypeInputRule(inputRegex, type),
+  ])
+  .create()
+
+

packages/extension-blockquote/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "@tiptap/extension-blockquote",
+  "version": "1.0.0",
+  "source": "index.ts",
+  "main": "dist/tiptap-extension-blockquote.js",
+  "umd:main": "dist/tiptap-extension-blockquote.umd.js",
+  "module": "dist/tiptap-extension-blockquote.mjs",
+  "unpkg": "dist/tiptap-extension-blockquote.js",
+  "jsdelivr": "dist/tiptap-extension-blockquote.js",
+  "files": [
+    "src",
+    "dist"
+  ],
+  "peerDependencies": {
+    "@tiptap/core": "2.x"
+  }
+}