adds deleteName (all RRsets) to JS API

golang/sig0/update.go

@@ -126,6 +126,24 @@ func (signer *Signer) RemoveRRset(rr dns.RR) error {
 	return nil
 }
 
+func (signer *Signer) RemoveParsedName(rr string) error {
+	rrRemove, err := dns.NewRR(rr)
+	if err != nil {
+		return fmt.Errorf("sig0: failed to parse RR: %w", err)
+	}
+
+	return signer.RemoveName(rrRemove)
+}
+
+func (signer *Signer) RemoveName(rr dns.RR) error {
+	if signer.update == nil {
+		return fmt.Errorf("no update in progress")
+	}
+
+	signer.update.RemoveName([]dns.RR{rr})
+	return nil
+}
+
 // UpdateA is a convenience function to update an A record.
 // Need to call StartUpdate first, then UpdateA for each record to update, then SignUpdate.
 func (signer *Signer) UpdateA(subZone, zone, addr string) error {

golang/wasm/wrapper_js.go

@@ -151,7 +151,7 @@ func newUpdater(_ js.Value, args []js.Value) any {
 		}),
 
 		// deleteRR
-		// deletes a single RR
+		// deletes a single RR, see RFC 2136 section 2.5.4
 		// 1 argument: the RR string
 		// returns null or an error string
 		"deleteRR": js.FuncOf(func(this js.Value, args []js.Value) any {
@@ -164,7 +164,7 @@ func newUpdater(_ js.Value, args []js.Value) any {
 		}),
 
 		// deleteRRset
-		// deletes a RRset 
+		// deletes a RRset see RFC 2136 section 2.5.2.
 		// 1 argument: the RR string without RRdata
 		// returns null or an error string
 		"deleteRRset": js.FuncOf(func(this js.Value, args []js.Value) any {
@@ -176,6 +176,20 @@ func newUpdater(_ js.Value, args []js.Value) any {
 			return js.Null()
 		}),
 
+		// deleteName
+		// deletes all RRsets for a given name or FQDN, see RFC 2136 section 2.5.2.
+		// *WARNING* - use with care, as this deletes *all* RRsets, including KEYs!
+		// 1 argument: the RR string without RRdata
+		// returns null or an error string
+		"deleteName": js.FuncOf(func(this js.Value, args []js.Value) any {
+			rr := args[0].String()
+			err := signer.RemoveParsedName(rr)
+			if err != nil {
+				return err.Error()
+			}
+			return js.Null()
+		}),
+
 		// send signed update
 		// no arguments
 		// returns a promise