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/processNodes.ts

@@ -0,0 +1,32 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { convertNodeToReactElement } from './convertNodeToReactElement.js'
+import { Node } from 'domhandler'
+import { ReactElement } from 'react'
+import { NodeToReactElementTransformer } from './NodeToReactElementTransformer.js'
+
+/**
+ * Processes the nodes generated by htmlparser2 and convert them all into React elements
+ *
+ * @param {Object[]} nodes List of nodes to process
+ * @param {Function} transform Transform function to optionally apply to nodes
+ * @returns {React.Element[]} The list of processed React elements
+ */
+export function processNodes(
+  nodes: Node[],
+  transform?: NodeToReactElementTransformer
+): (ReactElement | string | null)[] {
+  return nodes.map((node, index) => {
+    if (transform) {
+      const transformed = transform(node, index)
+      if (transformed === null || !!transformed) {
+        return transformed
+      }
+    }
+    return convertNodeToReactElement(node, index, transform)
+  })
+}