| 766 | } |
| 767 | |
| 768 | async applyPatchInsertDelete (baseGraph, patchObject, uri, contentType) { |
| 769 | const patchedGraph = baseGraph |
| 770 | |
| 771 | // Apply deletes first |
| 772 | if (patchObject.deletes) { |
| 773 | const deleteQuads = this.parseQuads(patchObject.deletes, uri, contentType) |
| 774 | for (const quad of deleteQuads) { |
| 775 | patchedGraph.removeMatches(quad.subject, quad.predicate, quad.object) |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | // Apply inserts |
| 780 | if (patchObject.inserts) { |
| 781 | const insertQuads = this.parseQuads(patchObject.inserts, uri, contentType) |
| 782 | for (const quad of insertQuads) { |
| 783 | patchedGraph.add(quad.subject, quad.predicate, quad.object) |
| 784 | } |
| 785 | } |
| 786 | |
| 787 | return patchedGraph |
| 788 | } |
| 789 | |
| 790 | parseQuads (quads, uri, contentType) { |
| 791 | const graph = $rdf.graph() |