astprinter

Documentation

Overview

Package astprinter takes a GraphQL document and prints it as a String with optional indentation.

Index

• func Print(document *ast.Document, out io.Writer) error
• func PrintIndent(document *ast.Document, indent []byte, out io.Writer) error
• func PrintIndentDebug(document *ast.Document, indent []byte, out io.Writer) error
• func PrintString(document *ast.Document) (string, error)
• func PrintStringIndent(document *ast.Document, indent string) (string, error)
• func PrintStringIndentDebug(document *ast.Document, indent string) (string, error)
• type Printer
  • func NewPrinter(indent []byte) *Printer
  • func (p *Printer) Print(document *ast.Document, out io.Writer) error

Functions

func Print

func Print(document *ast.Document, out io.Writer) error

Print takes a document as well as a definition (optional) and prints it to the io.Writer. The definition is only necessary in case a GraphQL Operation should be printed.

func PrintIndent

func PrintIndent(document *ast.Document, indent []byte, out io.Writer) error

PrintIndent is the same as Print but accepts an additional indent parameter to set indentation.

func PrintIndentDebug

func PrintIndentDebug(document *ast.Document, indent []byte, out io.Writer) error

func PrintString

func PrintString(document *ast.Document) (string, error)

PrintString is the same as Print but returns a string instead of writing to an io.Writer

func PrintStringIndent

func PrintStringIndent(document *ast.Document, indent string) (string, error)

PrintStringIndent is the same as PrintIndent but returns a string instead of writing to an io.Writer

func PrintStringIndentDebug

func PrintStringIndentDebug(document *ast.Document, indent string) (string, error)

PrintStringIndentDebug is the same as PrintStringIndent but prints debug information

Types

type Printer

type Printer struct {
	// contains filtered or unexported fields
}

Printer walks a GraphQL document and prints it as a string

func NewPrinter

func NewPrinter(indent []byte) *Printer

func (*Printer) Print

func (p *Printer) Print(document *ast.Document, out io.Writer) error

Print starts the actual AST printing Keep a printer and re-use it in case you'd like to print ASTs in the hot path.