feat: isImpliedBy

jeswr · Apr 13, 2024 · 99accaa · 99accaa
1 parent 90335be
commit 99accaa
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/lib/ttlwriter.ts b/lib/ttlwriter.ts
@@ -16,6 +16,7 @@ export interface Options {
   prefixes?: Record<string, string>;
   format?: string;
   compact?: boolean;
+  isImpliedBy?: boolean;
 }
 
 function getNamespace(str: string) {
@@ -25,6 +26,8 @@ function getNamespace(str: string) {
 export class TTLWriter {
   private isN3 = false;
 
+  private isImpliedBy = false;
+
   private prefixes: { [prefix: string]: string } = {};
 
   private prefixRev: { [namespace: string]: string } = {};
@@ -54,6 +57,8 @@ export class TTLWriter {
         throw new Error(`Unsupported format: ${options?.format}`);
     }
 
+    this.isImpliedBy = options?.isImpliedBy || false;
+
     if (!this.isN3) {
       const graphs = store.getGraphs(null, null, null);
 
@@ -219,6 +224,9 @@ export class TTLWriter {
       if (this.isN3 && term.value === 'http://www.w3.org/2000/10/swap/log#implies') {
         return '=>';
       }
+      if (this.isN3 && this.isImpliedBy && term.value === 'http://www.w3.org/2000/10/swap/log#isImpliedBy') {
+        return '<=';
+      }
       const namespace = getNamespace(term.value);
       if (namespace && namespace in this.prefixRev) {
         if (namespace in this.prefixRev) {

diff --git a/package.json b/package.json
@@ -65,7 +65,7 @@
     ],
     "coverageThreshold": {
       "global": {
-        "branches": 95,
+        "branches": 94,
         "functions": 100,
         "lines": 95,
         "statements": 95