Recursive safety fixed, and throw error instead

src/transforms/normalize.js

@@ -52,27 +52,39 @@ function _normalizeChildrenWith(transform, schema, node) {
  */
 
 function _normalizeNodeWith(transform, schema, node) {
-  const failure = schema.__validate(node)
+  let recursiveCount = 0
+
+  // Auxiliary function, called recursively, with a maximum calls safety net.
+  function _recur(_transform, _schema, _node) {
+    const failure = _schema.__validate(_node)
 
     // Node is valid?
     if (!failure) {
-    return transform
+      return _transform
     }
 
     const { value, rule } = failure
 
     // Normalize and get the new state
-  transform = rule.normalize(transform, node, value)
+    _transform = rule.normalize(_transform, _node, value)
 
     // Search for the updated node in the new state
-  const newNode = _refreshNode(transform, node)
+    const newNode = _refreshNode(_transform, _node)
 
     // Node no longer exist, go back to normalize parents
     if (!newNode) {
-    return transform
+      return _transform
     }
 
-  return _normalizeNodeWith(transform, schema, newNode)
+    recursiveCount++
+    if (recursiveCount > MAX_CALLS) {
+      throw new Error('Unexpected number of successive normalizations. Aborting.')
+    }
+
+    return _recur(_transform, _schema, _node)
+  }
+
+  return _recur(transform, schema, node)
 }
 
 /**
@@ -85,15 +97,6 @@ function _normalizeNodeWith(transform, schema, node) {
  */
 
 export function normalizeNodeWith(transform, schema, node) {
-  let recursiveCount = 0
-
-  // Auxiliary function, called recursively, with a maximum calls safety net.
-  function _recur() {
-    recursiveCount++
-    if (recursiveCount > MAX_CALLS) {
-      warning('Unexpected number of successive normalizations. Aborting.')
-      return transform
-    }
   // Iterate over its children
   transform = _normalizeChildrenWith(transform, schema, node)
 
@@ -104,9 +107,6 @@ export function normalizeNodeWith(transform, schema, node) {
   }
 
   return transform
-  }
-
-  return _recur(transform, schema, node)
 }
 
 /**