Function prefixes2sparqlPrefixDeclaration

Converts a prefix map to a SPARQL template result with PREFIX declarations Deduplicates prefixes by filtering out those that are:

  • Already declared in an existing query (if provided)
  • Automatically added by the SPARQL builder (rdf, xsd)
  • prefixes2sparqlPrefixDeclaration(
        prefixes: Prefixes,
        existingQuery?: string,
    ): SparqlTemplateResult

    Parameters

    • prefixes: Prefixes

      Map of prefix names to namespace URIs

    • OptionalexistingQuery: string

      Optional existing query string to check for already-declared prefixes

    Returns SparqlTemplateResult

    SparqlTemplateResult with PREFIX declarations for use with .prologue``

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