补充容错 (#2059)

src/Root.tsx

@@ -124,6 +124,11 @@ export function renderChild(
   }
 
   const typeofnode = typeof node;
+
+  if (typeofnode === 'undefined' || node === null) {
+    return null;
+  }
+
   let schema: Schema =
     typeofnode === 'string' || typeofnode === 'number'
       ? {type: 'tpl', tpl: String(node)}

src/compat.ts

@@ -489,7 +489,7 @@ addSchemaFilter(function (schema: Schema, renderer: any, props: any) {
   return schema;
 
   function controlToNormalRenderer(item: any) {
-    if (item.$ref && props.resolveDefinitions) {
+    if (item?.$ref && props.resolveDefinitions) {
       item = {
         ...props.resolveDefinitions(item.$ref),
         ...item

src/renderers/Form/index.tsx

@@ -811,6 +811,10 @@ export default class Form extends React.Component<FormProps, object> {
   ) {
     const {store, formLazyChange} = this.props;
 
+    if (typeof name !== 'string') {
+      return;
+    }
+
     store.changeValue(name, value, changePristine);
 
     (formLazyChange === false ? this.emitChange : this.lazyEmitChange)(submit);