Source file src/github.com/vektah/gqlparser/validator/rules/lone_anonymous_operation.go

Documentation: github.com/vektah/gqlparser/validator/rules

     1  package validator
     2  
     3  import (
     4  	"github.com/vektah/gqlparser/ast"
     5  	. "github.com/vektah/gqlparser/validator"
     6  )
     7  
     8  func init() {
     9  	AddRule("LoneAnonymousOperation", func(observers *Events, addError AddErrFunc) {
    10  		observers.OnOperation(func(walker *Walker, operation *ast.OperationDefinition) {
    11  			if operation.Name == "" && len(walker.Document.Operations) > 1 {
    12  				addError(
    13  					Message(`This anonymous operation must be the only defined operation.`),
    14  					At(operation.Position),
    15  				)
    16  			}
    17  		})
    18  	})
    19  }
    20  

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