Question 349961 in Flutter Question posted in
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Flutter – build_runner showing error The getter 'macroKeyword' isn't defined for the class 'ClassDeclaration'

When I am running build_runner command it is showing me following error:

Failed to build build_runner:build_runner:
../../.pub-cache/hosted/pub.dev/dart_style-2.3.5/lib/src/front_end/ast_node_visitor.dart:251:16: Error: The getter 'macroKeyword' isn't defined for the class 'ClassDeclaration'.
  - 'ClassDeclaration' is from 'package:analyzer/src/dart/ast/ast.dart' ('../../.pub-cache/hosted/pub.dev/analyzer-6.2.0/lib/src/dart/ast/ast.dart').
Try correcting the name to the name of an existing getter, or defining a getter or field named 'macroKeyword'.
          node.macroKeyword,
                ^^^^^^^^^^^^
../../.pub-cache/hosted/pub.dev/dart_style-2.3.5/lib/src/source_visitor.dart:595:19: Error: The getter 'macroKeyword' isn't defined for the class 'ClassDeclaration'.
  - 'ClassDeclaration' is from 'package:analyzer/src/dart/ast/ast.dart' ('../../.pub-cache/hosted/pub.dev/analyzer-6.2.0/lib/src/dart/ast/ast.dart').
Try correcting the name to the name of an existing getter, or defining a getter or field named 'macroKeyword'.
    modifier(node.macroKeyword);
                  ^^^^^^^^^^^^
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3

Answers


  1. 0

    Add analyzer: ^5.11.1 to your dev_dependencies and run the following:

    flutter clean

flutter pub get

dart run build_runner build

    Note: If the analyzer version 5.11.1 doesn’t work for you, try changing the version and it will work. You can check for the version here https://pub.dev/packages/analyzer/changelog

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  2. 0

    You don’t have to lower analyzer version. It does not make any sense.

    dart_style library was updated to version 2.3.5.

    just lower version dart_style to 2.3.4

    Add dart_style: 2.3.4 to your dev_dependencies and run:

    flutter clean
flutter pub get
flutter pub run build_runner ...
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  3. 0

    It was failing on CI and working fine on local. Updating to the latest version 3.19.2 on CI worked and resolve this issue.

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