introspection implements the spec defined in https://github.com/facebook/graphql/blob/master/spec/Section%204%20--%20Introspection.md#schema-introspection.

AddError sends an error to the client, first passing it through the error presenter.

AddErrorf writes a formatted error to the client, first passing it through the error presenter.

CollectAllFields returns a slice of all GraphQL field names that were selected for the current resolver context.

CollectFields returns the set of fields from an ast.SelectionSet where all collected fields satisfy at least one of the GraphQL types passed through satisfies.

This is just a convenient wrapper method for CollectFields.

GetExtensions returns any extensions registered in the current result context.

GetFieldErrors returns a list of errors that occurred in the given field.

Deprecated: Please update all references to GetOperationContext instead.

Deprecated: Use GetFieldContext instead.

GetStartTime should only be called by the handler package, it will be set into request context as Stats.Start.

HasFieldError returns true if the given field has already errored.

HasOperationContext checks if the given context is part of an ongoing operation Some errors can happen outside of an operation, eg json unmarshal errors.

RegisterExtension allows you to add a new extension into the graphql response.

StartOperationTrace captures the current time and stores it in context.

Now is time.Now, except in tests.

ExecutableSchemaMock is a mock implementation of ExecutableSchema.

Errors are intentionally serialized first based on the advice in https://github.com/facebook/graphql/commit/7b40390d48680b15cb93e02d46ac5eb249689876#diff-757cea6edf0288677a9eea4cfc801d87R107 and https://github.com/facebook/graphql/pull/384.

Cache is a shared store for APQ and query AST caching.

MapCache is the simplest implementation of a cache, because it can not evict it should only be used in tests.

Deprecated: Please update all references to OperationContext instead.

Deprecated: Use FieldContext instead.