Revert "feat: update lowlight to v2"

This reverts commit 7e96d98a21.

packages/extension-code-block-lowlight/package.json

@@ -25,7 +25,8 @@
   },
   "dependencies": {
     "@tiptap/extension-code-block": "^2.0.0-beta.15",
-    "lowlight": "^2.0.1",
+    "@types/lowlight": "^0.0.2",
+    "lowlight": "^1.20.0",
     "prosemirror-model": "^1.14.1",
     "prosemirror-state": "^1.3.4",
     "prosemirror-view": "^1.18.7"

packages/extension-code-block-lowlight/src/code-block-lowlight.ts

@@ -1,4 +1,4 @@
-import { lowlight } from 'lowlight/lib/core'
+import lowlight from 'lowlight/lib/core'
 import CodeBlock, { CodeBlockOptions } from '@tiptap/extension-code-block'
 import { LowlightPlugin } from './lowlight-plugin'
 

packages/extension-code-block-lowlight/src/lowlight-plugin.ts

@@ -2,7 +2,6 @@ import { Plugin, PluginKey } from 'prosemirror-state'
 import { Decoration, DecorationSet } from 'prosemirror-view'
 import { Node as ProsemirrorNode } from 'prosemirror-model'
 import { findChildren } from '@tiptap/core'
-import { lowlight as lowlightAll } from 'lowlight'
 
 function parseNodes(nodes: any[], className: string[] = []): { text: string, classes: string[] }[] {
   return nodes
@@ -35,8 +34,8 @@ function getDecorations({ doc, name, lowlight }: { doc: ProsemirrorNode, name: s
       const { language } = block.node.attrs
       const languages = lowlight.listLanguages()
       const nodes = language && languages.includes(language)
-        ? lowlight.highlight(language, block.node.textContent).children
-        : lowlight.highlightAuto(block.node.textContent).children
+        ? lowlight.highlight(language, block.node.textContent).value
+        : lowlight.highlightAuto(block.node.textContent).value
 
       parseNodes(nodes).forEach(node => {
         const to = from + node.text.length