v0.0.492

gojson/encode.go

@@ -788,7 +788,7 @@ FieldLoop:
 
 		if f.omitEmpty && isEmptyValue(fv) {
 			continue
-		} else if opts.filter != nil && len(f.jsonfilter) > 0 && !f.jsonfilter.Contains(*opts.filter) {
+		} else if opts.filter != nil && !matchesJSONFilter(f.jsonfilter, *opts.filter) {
 			continue
 		}
 		e.WriteByte(next)
@@ -808,6 +808,26 @@ FieldLoop:
 	}
 }
 
+func matchesJSONFilter(filter jsonfilter, value string) bool {
+	if len(filter) == 0 {
+		return true
+	}
+
+	if len(filter) == 1 && filter[0] == "-" {
+		return false
+	}
+
+	if filter.Contains(value) {
+		return true
+	}
+
+	if filter.Contains("*") {
+		return true
+	}
+
+	return false
+}
+
 func newStructEncoder(t reflect.Type, tagkey string) encoderFunc {
 	se := structEncoder{fields: cachedTypeFields(t, tagkey)}
 	return se.encode