runWithReporter method

@override void runWithReporter(SaropaDiagnosticReporter reporter, SaropaContext context)

Override this method to implement your lint rule.

Use context to register callbacks for AST node types:

context.addMethodInvocation((node) {
  if (condition) {
    reporter.atNode(node);
  }
});

Implementation

@override
void runWithReporter(
  SaropaDiagnosticReporter reporter,
  SaropaContext context,
) {
  context.addInstanceCreationExpression((InstanceCreationExpression node) {
    final String typeName = node.constructorName.type.name.lexeme;
    // Only check InkWell and MouseRegion
    if (typeName != 'InkWell' && typeName != 'GestureDetector') return;

    bool hasOnTap = false;
    bool hasHoverHandling = false;

    for (final Expression arg in node.argumentList.arguments) {
      if (arg is NamedExpression) {
        final String argName = arg.name.label.name;
        if (argName == 'onTap' || argName == 'onPressed') {
          hasOnTap = true;
        }
        if (argName == 'onHover' ||
            argName == 'hoverColor' ||
            argName == 'highlightColor') {
          hasHoverHandling = true;
        }
      }
    }

    if (hasOnTap && !hasHoverHandling) {
      reporter.atNode(node.constructorName, code);
    }
  });
}