make blockquotes wrappable

packages/core/src/commands/toggleWrap.ts

@@ -0,0 +1,26 @@
+import { wrapIn, lift } from 'prosemirror-commands'
+import { NodeType } from 'prosemirror-model'
+import { Command } from '../Editor'
+import nodeIsActive from '../utils/nodeIsActive'
+import getNodeType from '../utils/getNodeType'
+
+type ToggleWrapCommand = (typeOrName: string | NodeType, attrs?: {}) => Command
+
+declare module '../Editor' {
+  interface Commands {
+    toggleWrap: ToggleWrapCommand,
+  }
+}
+
+export const toggleWrap: ToggleWrapCommand = (typeOrName, attrs) => ({
+  state, dispatch,
+}) => {
+  const type = getNodeType(typeOrName, state.schema)
+  const isActive = nodeIsActive(state, type, attrs)
+
+  if (isActive) {
+    return lift(state, dispatch)
+  }
+
+  return wrapIn(type, attrs)(state, dispatch)
+}