Class: ArSerializer::GraphQL::Parser
- Inherits:
-
Object
- Object
- ArSerializer::GraphQL::Parser
- Defined in:
- lib/ar_serializer/graphql/parser.rb
Defined Under Namespace
Classes: ParseError
Instance Attribute Summary collapse
-
#chars ⇒ Object
readonly
Returns the value of attribute chars.
-
#operation_name ⇒ Object
readonly
Returns the value of attribute operation_name.
-
#query ⇒ Object
readonly
Returns the value of attribute query.
-
#variables ⇒ Object
readonly
Returns the value of attribute variables.
Class Method Summary collapse
Instance Method Summary collapse
-
#initialize(query, operation_name: nil, variables: {}) ⇒ Parser
constructor
A new instance of Parser.
- #parse ⇒ Object
Constructor Details
#initialize(query, operation_name: nil, variables: {}) ⇒ Parser
Returns a new instance of Parser.
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# File 'lib/ar_serializer/graphql/parser.rb', line 5 def initialize(query, operation_name: nil, variables: {}) @query = query @operation_name = operation_name @variables = variables @chars = query.chars end |
Instance Attribute Details
#chars ⇒ Object (readonly)
Returns the value of attribute chars.
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# File 'lib/ar_serializer/graphql/parser.rb', line 4 def chars @chars end |
#operation_name ⇒ Object (readonly)
Returns the value of attribute operation_name.
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# File 'lib/ar_serializer/graphql/parser.rb', line 4 def operation_name @operation_name end |
#query ⇒ Object (readonly)
Returns the value of attribute query.
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# File 'lib/ar_serializer/graphql/parser.rb', line 4 def query @query end |
#variables ⇒ Object (readonly)
Returns the value of attribute variables.
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# File 'lib/ar_serializer/graphql/parser.rb', line 4 def variables @variables end |
Class Method Details
.parse(query, **option) ⇒ Object
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# File 'lib/ar_serializer/graphql/parser.rb', line 12 def self.parse(query, **option) new(query, **option).parse end |
Instance Method Details
#parse ⇒ Object
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# File 'lib/ar_serializer/graphql/parser.rb', line 16 def parse definitions = [] consume_blank loop do definition = parse_definition consume_blank consume_text ',' consume_blank break unless definition definitions << definition end raise_expected_not_found 'definition or EOF' unless chars.empty? query = definitions.find do |definition| next unless definition[:type] == 'query' operation_name.nil? || operation_name == definition[:args].first end raise ParseError, 'empty query' unless query fragments = definitions.select { |definition| definition[:type] == 'fragment' } fragments_by_name = fragments.index_by { |frag| frag[:args].first } query[:fields], fragments_by_name end |