Enable loading plugins from .posthtmlrc

Author: nsrosenqvist

lib/index.js

@@ -45,6 +45,11 @@ module.exports = options => {
 
   // Add plugins to markdownParser
   for (const plugin of settings.plugins) {
+    if (typeof plugin.plugin === 'string') {
+      let loaded = require(plugin.plugin)
+      plugin.plugin = loaded.default || loaded;
+    }
+
     md.use(plugin.plugin, plugin.options || {})
   }