(feat) support parsing nested markdown using FromMarkdown

Signed-off-by: Dan Selman <danscode@selman.org>

Author: dselman

src/markdown/fromMarkdown.js

@@ -67,17 +67,6 @@ export default class FromMarkdown extends Markdown {
     return Value.fromJSON(this.root);
   }
 
-  /**
-   * Converts markdown text to a Slate.js Value object using
-   * a new instance of FromMarkdown.
-   * @param {*} markdownText
-   * @return {Object} the Slate.js Value object
-   */
-  parseNestedMarkdown(markdownText) {
-    const newParser = new FromMarkdown(this.pluginManager);
-    return newParser.convert(markdownText);
-  }
-
   /**
    * Any nodes that are not processed by this class are dispatched to the
    * PluginManager.
@@ -91,7 +80,10 @@ export default class FromMarkdown extends Markdown {
 
     if (plugin && typeof plugin.fromMarkdown === 'function') {
       // console.log(`found plugin for ${tagInfo ? tagInfo.tag : node}`);
-      return plugin.fromMarkdown(this.stack, event, tagInfo, node, this.parseNestedMarkdown);
+      return plugin.fromMarkdown(this.stack, event, tagInfo, node, ((markdownText) => {
+        const newParser = new FromMarkdown(this.pluginManager);
+        return newParser.convert(markdownText);
+      }));
     }
 
     return false;