Module: GraphQL::Language::Generation

Extended by:

Generation

Included in:

Generation

Defined in:

lib/graphql/language/generation.rb

Overview

Exposes #generate, which turns AST nodes back into query strings.

Instance Method Summary

• #generate(node, indent: "", printer: GraphQL::Language::Printer.new) ⇒ String

  Turn an AST node back into a string.

Instance Method Details

#generate(node, indent: "", printer: GraphQL::Language::Printer.new) ⇒ String

Turn an AST node back into a string.

Examples:

Turning a document into a query

document = GraphQL.parse(query_string)
GraphQL::Language::Generation.generate(document)
# => "{ ... }"

Parameters:

• node (GraphQL::Language::Nodes::AbstractNode) —

  an AST node to recursively stringify

• indent (String) —

  Whitespace to add to each printed node

• printer (GraphQL::Language::Printer) —

  An optional custom printer for printing AST nodes. Defaults to GraphQL::Language::Printer

Returns:

• (String) —

  Valid GraphQL for node

# File 'lib/graphql/language/generation.rb', line 19

def generate(node, indent: "", printer: GraphQL::Language::Printer.new)
  printer.print(node, indent: indent)
end