feat: import html-to-react from https://github.com/hedgedoc/html-to-react

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

html-to-react/src/convertNodeToReactElement.ts

@@ -0,0 +1,38 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { ReactElement } from 'react'
+import { Node } from 'domhandler'
+import { ElementType } from 'domelementtype'
+import { processTextNode } from './elementTypes/ProcessTextNode.js'
+import { processTagNode } from './elementTypes/ProcessTagNode.js'
+import { processStyleNode } from './elementTypes/ProcessStyleNode.js'
+import { NodeToReactElementTransformer } from './NodeToReactElementTransformer.js'
+
+/**
+ * Converts a htmlparser2 node to a React element
+ *
+ * @param {Object} node The htmlparser2 node to convert
+ * @param {Number} index The index of the current node
+ * @param {Function} transform Transform function to apply to children of the node
+ * @returns {React.Element}
+ */
+export function convertNodeToReactElement(
+  node: Node,
+  index: string | number,
+  transform?: NodeToReactElementTransformer
+): ReactElement | string | null {
+  switch (node.type) {
+    case ElementType.Text:
+      return processTextNode(node)
+    case ElementType.Tag:
+      return processTagNode(node, index, transform)
+    case ElementType.Style:
+      return processStyleNode(node, index)
+    default:
+      return null
+  }
+}