move history plugin to extension package

packages/tiptap-extensions/package.json

@@ -20,6 +20,7 @@
     "url": "https://github.com/heyscrumpy/tiptap/issues"
   },
   "dependencies": {
+    "prosemirror-history": "^1.0.2",
     "tiptap": "^0.5.1",
     "tiptap-commands": "^0.2.0"
   }

packages/tiptap-extensions/src/extensions/History.js

@@ -0,0 +1,30 @@
+import { Extension } from 'tiptap'
+import { history, undo, redo } from 'prosemirror-history'
+
+export default class HistoryExtension extends Extension {
+
+	get name() {
+		return 'history'
+	}
+
+	keys() {
+		const isMac = typeof navigator !== 'undefined' ? /Mac/.test(navigator.platform) : false
+		const keymap = {
+			'Mod-z': undo,
+			'Shift-Mod-z': redo,
+		}
+
+		if (!isMac) {
+			keymap['Mod-y'] = redo
+		}
+
+		return keymap
+	}
+
+	get plugins() {
+		return [
+			history(),
+		]
+	}
+
+}

packages/tiptap-extensions/src/index.js

@@ -12,3 +12,5 @@ export { default as Bold } from './marks/Bold'
 export { default as Code } from './marks/Code'
 export { default as Italic } from './marks/Italic'
 export { default as Link } from './marks/Link'
+
+export { default as History } from './extensions/History'