Module: Psych::Merge::ProviderExtension

Defined in:
lib/psych/merge/provider_extension.rb

Overview

Portable native Psych AST facts retained across workflow host boundaries.

Constant Summary collapse

SCHEMA = 
'structuredmerge.extension/ruby-psych/v1'
CAPABILITIES = 
%w[aliases anchors documents scalar-styles tags].freeze

Class Method Summary collapse

Class Method Details

.call(analysis: nil, tree: nil) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/psych/merge/provider_extension.rb', line 12

def call(analysis: nil, tree: nil, **)
  native_tree = analysis&.ast || tree&.inner_tree
  raise ArgumentError, 'Psych provider extension requires an analysis or TreeHaver tree' unless native_tree

  {
    schema: SCHEMA,
    namespace: 'ruby-psych',
    capabilities: CAPABILITIES,
    payload: {
      ast: NativeProjection.attribute_tree(native_tree),
      semantic: NativeProjection.semantic(native_tree),
      native_tree_visibility: 'provider_internal'
    }
  }
end