graphql

package
Version: v0.7.1 Latest Latest
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Published: Nov 28, 2018 License: MIT Imports: 13 Imported by: 0

Documentation

Index

Constants

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const Version = "dev"

Variables

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var False = &lit{falseLit}
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var Null = &lit{nullLit}
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var True = &lit{trueLit}

Functions

func AddError

func AddError(ctx context.Context, err error)

AddError is a convenience method for adding an error to the current response

func AddErrorf

func AddErrorf(ctx context.Context, format string, args ...interface{})

AddErrorf is a convenience method for adding an error to the current response

func DefaultDirectiveMiddleware

func DefaultDirectiveMiddleware(ctx context.Context, next Resolver) (res interface{}, err error)

func DefaultErrorPresenter

func DefaultErrorPresenter(ctx context.Context, err error) *gqlerror.Error

func DefaultRecover

func DefaultRecover(ctx context.Context, err interface{}) error

func DefaultRequestMiddleware

func DefaultRequestMiddleware(ctx context.Context, next func(ctx context.Context) []byte) []byte

func DefaultResolverMiddleware

func DefaultResolverMiddleware(ctx context.Context, next Resolver) (res interface{}, err error)

func OneShot

func OneShot(resp *Response) func() *Response

func UnmarshalBoolean

func UnmarshalBoolean(v interface{}) (bool, error)

func UnmarshalFloat

func UnmarshalFloat(v interface{}) (float64, error)

func UnmarshalID

func UnmarshalID(v interface{}) (string, error)

func UnmarshalInt

func UnmarshalInt(v interface{}) (int, error)

func UnmarshalMap

func UnmarshalMap(v interface{}) (map[string]interface{}, error)

func UnmarshalString

func UnmarshalString(v interface{}) (string, error)

func UnmarshalTime

func UnmarshalTime(v interface{}) (time.Time, error)

func WithRequestContext

func WithRequestContext(ctx context.Context, rc *RequestContext) context.Context

func WithResolverContext

func WithResolverContext(ctx context.Context, rc *ResolverContext) context.Context

Types

type Array

type Array []Marshaler

func (Array) MarshalGQL

func (a Array) MarshalGQL(writer io.Writer)

type CollectedField

type CollectedField struct {
	*ast.Field

	Selections ast.SelectionSet
}

func CollectFields

func CollectFields(ctx context.Context, selSet ast.SelectionSet, satisfies []string) []CollectedField

func CollectFieldsCtx

func CollectFieldsCtx(ctx context.Context, satisfies []string) []CollectedField

This is just a convenient wrapper method for CollectFields

type ErrorPresenterFunc

type ErrorPresenterFunc func(context.Context, error) *gqlerror.Error

type ExecutableSchema

type ExecutableSchema interface {
	Schema() *ast.Schema

	Complexity(typeName, fieldName string, childComplexity int, args map[string]interface{}) (int, bool)
	Query(ctx context.Context, op *ast.OperationDefinition) *Response
	Mutation(ctx context.Context, op *ast.OperationDefinition) *Response
	Subscription(ctx context.Context, op *ast.OperationDefinition) func() *Response
}

type ExtendedError

type ExtendedError interface {
	Extensions() map[string]interface{}
}

type FieldMiddleware

type FieldMiddleware func(ctx context.Context, next Resolver) (res interface{}, err error)

type Marshaler

type Marshaler interface {
	MarshalGQL(w io.Writer)
}

func MarshalBoolean

func MarshalBoolean(b bool) Marshaler

func MarshalFloat

func MarshalFloat(f float64) Marshaler

func MarshalID

func MarshalID(s string) Marshaler

func MarshalInt

func MarshalInt(i int) Marshaler

func MarshalMap

func MarshalMap(val map[string]interface{}) Marshaler

func MarshalString

func MarshalString(s string) Marshaler

func MarshalTime

func MarshalTime(t time.Time) Marshaler

type NopTracer added in v0.7.0

type NopTracer struct{}

func (NopTracer) EndFieldExecution added in v0.7.0

func (NopTracer) EndFieldExecution(ctx context.Context)

func (NopTracer) EndOperationExecution added in v0.7.0

func (NopTracer) EndOperationExecution(ctx context.Context)

func (NopTracer) EndOperationParsing added in v0.7.0

func (NopTracer) EndOperationParsing(ctx context.Context)

func (NopTracer) EndOperationValidation added in v0.7.0

func (NopTracer) EndOperationValidation(ctx context.Context)

func (NopTracer) StartFieldChildExecution added in v0.7.0

func (NopTracer) StartFieldChildExecution(ctx context.Context) context.Context

func (NopTracer) StartFieldExecution added in v0.7.0

func (NopTracer) StartFieldExecution(ctx context.Context, field CollectedField) context.Context

func (NopTracer) StartFieldResolverExecution added in v0.7.0

func (NopTracer) StartFieldResolverExecution(ctx context.Context, rc *ResolverContext) context.Context

func (NopTracer) StartOperationExecution added in v0.7.0

func (NopTracer) StartOperationExecution(ctx context.Context) context.Context

func (NopTracer) StartOperationParsing added in v0.7.0

func (NopTracer) StartOperationParsing(ctx context.Context) context.Context

func (NopTracer) StartOperationValidation added in v0.7.0

func (NopTracer) StartOperationValidation(ctx context.Context) context.Context

type OrderedMap

type OrderedMap struct {
	Keys   []string
	Values []Marshaler
}

func NewOrderedMap

func NewOrderedMap(len int) *OrderedMap

func (*OrderedMap) Add

func (m *OrderedMap) Add(key string, value Marshaler)

func (*OrderedMap) MarshalGQL

func (m *OrderedMap) MarshalGQL(writer io.Writer)

type RecoverFunc

type RecoverFunc func(ctx context.Context, err interface{}) (userMessage error)

type RequestContext

type RequestContext struct {
	RawQuery  string
	Variables map[string]interface{}
	Doc       *ast.QueryDocument

	ComplexityLimit      int
	OperationComplexity  int
	DisableIntrospection bool

	// ErrorPresenter will be used to generate the error
	// message from errors given to Error().
	ErrorPresenter      ErrorPresenterFunc
	Recover             RecoverFunc
	ResolverMiddleware  FieldMiddleware
	DirectiveMiddleware FieldMiddleware
	RequestMiddleware   RequestMiddleware
	Tracer              Tracer

	Errors gqlerror.List

	Extensions map[string]interface{}
	// contains filtered or unexported fields
}

func GetRequestContext

func GetRequestContext(ctx context.Context) *RequestContext

func NewRequestContext

func NewRequestContext(doc *ast.QueryDocument, query string, variables map[string]interface{}) *RequestContext

func (*RequestContext) Error

func (c *RequestContext) Error(ctx context.Context, err error)

Error sends an error to the client, passing it through the formatter.

func (*RequestContext) Errorf

func (c *RequestContext) Errorf(ctx context.Context, format string, args ...interface{})

Errorf sends an error string to the client, passing it through the formatter.

func (*RequestContext) GetErrors added in v0.7.0

func (c *RequestContext) GetErrors(rctx *ResolverContext) gqlerror.List

GetErrors returns a list of errors that occurred in the current field

func (*RequestContext) HasError added in v0.5.0

func (c *RequestContext) HasError(rctx *ResolverContext) bool

HasError returns true if the current field has already errored

func (*RequestContext) RegisterExtension added in v0.6.0

func (c *RequestContext) RegisterExtension(key string, value interface{}) error

RegisterExtension registers an extension, returns error if extension has already been registered

type RequestMiddleware

type RequestMiddleware func(ctx context.Context, next func(ctx context.Context) []byte) []byte

type Resolver

type Resolver func(ctx context.Context) (res interface{}, err error)

type ResolverContext

type ResolverContext struct {
	Parent *ResolverContext
	// The name of the type this field belongs to
	Object string
	// These are the args after processing, they can be mutated in middleware to change what the resolver will get.
	Args map[string]interface{}
	// The raw field
	Field CollectedField
	// The index of array in path.
	Index *int
	// The result object of resolver
	Result interface{}
}

func GetResolverContext

func GetResolverContext(ctx context.Context) *ResolverContext

func (*ResolverContext) Path

func (r *ResolverContext) Path() []interface{}

type Response

type Response struct {
	Errors     gqlerror.List          `json:"errors,omitempty"`
	Data       json.RawMessage        `json:"data"`
	Extensions map[string]interface{} `json:"extensions,omitempty"`
}

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

func ErrorResponse

func ErrorResponse(ctx context.Context, messagef string, args ...interface{}) *Response

type Tracer added in v0.7.0

type Tracer interface {
	StartOperationParsing(ctx context.Context) context.Context
	EndOperationParsing(ctx context.Context)
	StartOperationValidation(ctx context.Context) context.Context
	EndOperationValidation(ctx context.Context)
	StartOperationExecution(ctx context.Context) context.Context
	StartFieldExecution(ctx context.Context, field CollectedField) context.Context
	StartFieldResolverExecution(ctx context.Context, rc *ResolverContext) context.Context
	StartFieldChildExecution(ctx context.Context) context.Context
	EndFieldExecution(ctx context.Context)
	EndOperationExecution(ctx context.Context)
}

type Unmarshaler

type Unmarshaler interface {
	UnmarshalGQL(v interface{}) error
}

type WriterFunc

type WriterFunc func(writer io.Writer)

func (WriterFunc) MarshalGQL

func (f WriterFunc) MarshalGQL(w io.Writer)

Directories

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

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