Comunica
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    Type Alias FragmentSelectorShape

    FragmentSelectorShape:
        | {
            children?: FragmentSelectorShape[];
            filterBindings?: true;
            joinBindings?: true;
            operation: | { operationType: "type"; type: Algebra.types }
            | { operationType: "pattern"; pattern: Algebra.Operation }
            | { operationType: "wildcard" };
            scopedVariables?: RDF.Variable[];
            type: "operation";
            variablesOptional?: RDF.Variable[];
            variablesRequired?: RDF.Variable[];
        }
        | { children: FragmentSelectorShape[]; type: "conjunction" }
        | { children: FragmentSelectorShape[]; type: "disjunction" }
        | {
            child: FragmentSelectorShape;
            max?: number;
            min?: number;
            type: "arity";
        }

    A fragment selector shape determines the shape of selectors that can be executed by a query source. Selectors conforming to this shape represent boolean functions to decide if triples belong to a query response.

    Type declaration

    • {
          children?: FragmentSelectorShape[];
          filterBindings?: true;
          joinBindings?: true;
          operation:
              | { operationType: "type"; type: Algebra.types }
              | { operationType: "pattern"; pattern: Algebra.Operation }
              | { operationType: "wildcard" };
          scopedVariables?: RDF.Variable[];
          type: "operation";
          variablesOptional?: RDF.Variable[];
          variablesRequired?: RDF.Variable[];
      }
      • Optionalchildren?: FragmentSelectorShape[]

        Children of this operation.

      • OptionalfilterBindings?: true

        If bindings can be passed into the source as a filter.

      • OptionaljoinBindings?: true

        If bindings can be passed into the source as a join.

      • operation:
            | { operationType: "type"; type: Algebra.types }
            | { operationType: "pattern"; pattern: Algebra.Operation }
            | { operationType: "wildcard" }

        The supported operation.

      • OptionalscopedVariables?: RDF.Variable[]

        Variables that are in-scope in this operation and its children.

      • type: "operation"
      • OptionalvariablesOptional?: RDF.Variable[]

        Variables that may be passed to the selector when instantiated.

      • OptionalvariablesRequired?: RDF.Variable[]

        Variables that must be passed to the selector when instantiated.

    • { children: FragmentSelectorShape[]; type: "conjunction" }
    • { children: FragmentSelectorShape[]; type: "disjunction" }
    • { child: FragmentSelectorShape; max?: number; min?: number; type: "arity" }