planning

node_modules/micromark/lib/util/combine-html-extensions.mjs

@@ -0,0 +1,31 @@
+export default combineHtmlExtensions
+
+import own from '../constant/has-own-property.mjs'
+
+// Combine several HTML extensions into one.
+function combineHtmlExtensions(extensions) {
+  var handlers = {}
+  var index = -1
+
+  while (++index < extensions.length) {
+    extension(handlers, extensions[index])
+  }
+
+  return handlers
+}
+
+function extension(handlers, extension) {
+  var hook
+  var left
+  var right
+  var type
+
+  for (hook in extension) {
+    left = own.call(handlers, hook) ? handlers[hook] : (handlers[hook] = {})
+    right = extension[hook]
+
+    for (type in right) {
+      left[type] = right[type]
+    }
+  }
+}