rand dart fix

deprecated/flutter_ast/lib/cli/generator.dart

@@ -132,7 +132,6 @@ void _processFile(
       if (item.isValid) {
         if (!cache.addName(item.name)) continue;
         final _template = _processClass(item, input);
-        if (_template == null) continue;
         final name = ReCase(item.name).snakeCase;
         final _path = 'classes/' + name + '.dart';
         final _file = _getFile(output.path, _path);

deprecated/flutter_ast/lib/flutter_ast.dart

@@ -6,7 +6,7 @@ import 'src/index.dart';
 export 'src/index.dart';
 
 DartResult parseSource(String source, [String path]) {
-  assert(source != null && source.isNotEmpty);
+  assert(source.isNotEmpty);
   final result = parseString(
     content: source,
     path: path,

deprecated/flutter_ast/lib/src/class.dart

@@ -25,10 +25,10 @@ extension ClauseDeclarationImplUtils on ClassDeclarationImpl {
       comments.add(item.toDartComment());
     }
     return base.copyWith(
-      isAbstract: this?.abstractKeyword != null,
-      extendsClause: this?.extendsClause?.toString(),
-      implementsClause: this?.implementsClause?.toString(),
-      withClause: this?.withClause?.toString(),
+      isAbstract: this.abstractKeyword != null,
+      extendsClause: this.extendsClause?.toString(),
+      implementsClause: this.implementsClause?.toString(),
+      withClause: this.withClause?.toString(),
       fields: fields,
       constructors: constructors,
       methods: methods,

deprecated/flutter_ast/lib/src/field.dart

@@ -51,12 +51,11 @@ extension DefaultFormalParameterImplUtils on DefaultFormalParameterImpl {
             base = base.copyWith(name: child.toString());
           }
         }
-        if (fields != null)
-          for (final field in fields) {
-            if (field.name == base.name) {
-              base = base.copyWith(type: field.type);
-            }
+        for (final field in fields) {
+          if (field.name == base.name) {
+            base = base.copyWith(type: field.type);
           }
+        }
       }
       if (node.runtimeType.toString() == 'SimpleToken' &&
           node.toString() == '=') {

deprecated/flutter_ast/lib/src/generator/parser.dart

@@ -38,22 +38,22 @@ class GenParser {
 
   void merge(String source) {
     final DartResult result = parseSource(source);
-    if (result?.file != null) {
-      if (result?.file?.classes != null) {
+    if (result.file != null) {
+      if (result.file?.classes != null) {
         for (final item in result.file.classes) {
           this._classes.putIfAbsent(item.name, () => item);
         }
       }
-      if (result?.file?.enums != null) {
+      if (result.file?.enums != null) {
         this._enums.addAll(result.file.enums);
       }
-      if (result?.file?.fields != null) {
+      if (result.file?.fields != null) {
         this._fields.addAll(result.file.fields);
       }
-      if (result?.file?.methods != null) {
+      if (result.file?.methods != null) {
         this._methods.addAll(result.file.methods);
       }
-      if (result?.file?.imports != null) {
+      if (result.file?.imports != null) {
         this._imports.addAll(result.file.imports);
       }
     }