%YAML 1.2
---
name: GraphQL
file_extensions:
  - graphql
  - gql
scope: source.graphql
contexts:
  main:
    - include: comments
    - include: strings
    - include: numbers
    - match: '\b(type|interface|union|enum|input|schema|query|mutation|subscription|scalar|extend|implements|fragment|on)\b'
      scope: keyword.declaration.graphql
    - match: '\b(true|false|null)\b'
      scope: constant.language.graphql
    - match: '\$[A-Za-z_][A-Za-z0-9_]*'
      scope: variable.parameter.graphql
    - match: '@[A-Za-z_][A-Za-z0-9_]*'
      scope: entity.other.attribute-name.directive.graphql
    - match: '[A-Za-z_][A-Za-z0-9_]*'
      scope: entity.name.type.graphql

  comments:
    - match: '#.*$'
      scope: comment.line.number-sign.graphql

  strings:
    - match: '"""'
      scope: punctuation.definition.string.begin.graphql
      push:
        - meta_scope: string.quoted.triple.graphql
        - match: '"""'
          scope: punctuation.definition.string.end.graphql
          pop: true
    - match: '"'
      scope: punctuation.definition.string.begin.graphql
      push:
        - meta_scope: string.quoted.double.graphql
        - match: '"'
          scope: punctuation.definition.string.end.graphql
          pop: true
        - match: '\\.'
          scope: constant.character.escape.graphql

  numbers:
    - match: '(?:\b-?\d+(?:\.\d+)?(?:[eE][+-]?\d+)?\b)'
      scope: constant.numeric.graphql