WIP

node_modules/sparqljs/sparql.js

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+const { Parser } = require('./lib/SparqlParser');
+const { Generator } = require('./lib/SparqlGenerator');
+const { Wildcard } = require('./lib/Wildcard');
+const { DataFactory } = require('rdf-data-factory');
+
+/**
+ * Creates a SPARQL parser with the given pre-defined prefixes and base IRI
+ * @param options {
+ *   prefixes?: { [prefix: string]: string },
+ *   baseIRI?: string,
+ *   factory?: import('rdf-js').DataFactory,
+ *   sparqlStar?: boolean,
+ *   skipValidation?: boolean,
+ *   skipUngroupedVariableCheck?: boolean
+ * }
+ */
+function _Parser({
+    prefixes,
+    baseIRI,
+    factory,
+    pathOnly,
+    sparqlStar,
+    skipValidation,
+    skipUngroupedVariableCheck,
+} = {}) {
+  // Create a copy of the prefixes
+  const prefixesCopy = {};
+  for (const prefix in prefixes ?? {})
+    prefixesCopy[prefix] = prefixes[prefix];
+
+  // Create a new parser with the given prefixes
+  // (Workaround for https://github.com/zaach/jison/issues/241)
+  const parser = new Parser();
+  parser.parse = function () {
+    Parser.base = baseIRI || '';
+    Parser.prefixes = Object.create(prefixesCopy);
+    Parser.factory = factory || new DataFactory();
+    Parser.sparqlStar = Boolean(sparqlStar);
+    Parser.pathOnly = Boolean(pathOnly);
+    // We keep skipUngroupedVariableCheck for compatibility reasons.
+    Parser.skipValidation = Boolean(skipValidation) || Boolean(skipUngroupedVariableCheck)
+    return Parser.prototype.parse.apply(parser, arguments);
+  };
+  parser._resetBlanks = Parser._resetBlanks;
+  return parser;
+}
+
+module.exports = {
+  Parser: _Parser,
+  Generator,
+  Wildcard,
+};