sparqljson-parse - npm Package Compare versions

Comparing version 2.0.0 to 2.0.1

CHANGELOG.md

 # Changelog
 All notable changes to this project will be documented in this file.
 
+<a name="v2.0.1"></a>
+## [v2.0.1](https://github.com/rubensworks/sparqljson-parse.js/compare/v2.0.0...v2.0.1) - 2022-07-15
+
+### Fixed
+* [Ensure variables or error event is emitted](https://github.com/rubensworks/sparqljson-parse.js/commit/40a86691c9096a75ef3218a928e73bc0ea68cefb)
+
 <a name="v2.0.0"></a>
@@ -5,0 +11,0 @@ ## [v2.0.0](https://github.com/rubensworks/sparqljson-parse.js/compare/v1.7.0...v2.0.0) - 2022-07-14

lib/SparqlJsonParser.js

@@ -40,6 +40,12 @@ "use strict";
         jsonParser.onError = errorListener;
+        let variablesFound = false;
+        let resultsFound = false;
         jsonParser.onValue = (value) => {
             if (jsonParser.key === "vars" && jsonParser.stack.length === 2 && jsonParser.stack[1].key === 'head') {
                 resultStream.emit('variables', value.map((v) => this.dataFactory.variable(v)));
+                variablesFound = true;
             }
+            else if (jsonParser.key === "results" && jsonParser.stack.length === 1) {
+                resultsFound = true;
+            }
             else if (typeof jsonParser.key === 'number' && jsonParser.stack.length === 3 && jsonParser.stack[1].key === 'results' && jsonParser.stack[2].key === 'bindings') {
@@ -50,2 +56,10 @@ resultStream.push(this.parseJsonBindings(value));
         const resultStream = sparqlResponseStream
+            .on("end", _ => {
+            if (!resultsFound) {
+                resultStream.emit("error", new Error("No valid SPARQL query results were found."));
+            }
+            else if (!variablesFound) {
+                resultStream.emit('variables', []);
+            }
+        })
             .pipe(new readable_stream_1.Transform({
@@ -52,0 +66,0 @@ objectMode: true,

package.json

 {
   "name": "sparqljson-parse",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "Parses SPARQL JSON query results",
@@ -5,0 +5,0 @@ "keywords": [

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Improved metrics

Total package byte prevSize

22289

increased by3.83%

Lines of code

255

increased by5.81%

No dependency changes