feat: filter of CSVW triples

zazuko · Aug 14, 2023 · c7c922d · c7c922d
1 parent d5aa006
commit c7c922d
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diff --git a/.changeset/silent-chicken-scream.md b/.changeset/silent-chicken-scream.md
@@ -0,0 +1,5 @@
+---
+"barnard59-csvw": patch
+---
+
+Added module with a commonly used CSVW filter
diff --git a/packages/csvw/filter.js b/packages/csvw/filter.js
@@ -0,0 +1,13 @@
+import rdf from '@zazuko/env'
+
+export function excludeCsvwTriples(quad) {
+  if (quad.predicate.value.startsWith(rdf.ns.csvw('').value)) {
+    return false
+  }
+
+  if (rdf.ns.rdf.type.equals(quad.predicate) && quad.object.value.startsWith(rdf.ns.csvw('').value)) {
+    return false
+  }
+
+  return true
+}