Merge pull request #63 from wijatplay3/master

feat: add support for SafeMode on expandObject

Author: kazarena

ld/api_expand.go

@@ -359,7 +359,11 @@ func (api *JsonLdApi) expandObject(activeCtx *Context, activeProperty string, ex
 		var expandedValue interface{}
 		// 7.3)
 		if expandedProperty == "" || (!strings.Contains(expandedProperty, ":") && !IsKeyword(expandedProperty)) {
-			continue
+			if activeCtx.options != nil && activeCtx.options.SafeMode {
+				return NewJsonLdError(InvalidProperty, "Dropping property that did not expand into an absolute IRI or keyword.")
+			} else {
+				continue
+			}
 		}
 		// 7.4)
 		if IsKeyword(expandedProperty) {

ld/errors.go

@@ -78,13 +78,14 @@ const (
 	IRIConfusedWithPrefix       ErrorCode = "IRI confused with prefix"
 
 	// non spec related errors
-	SyntaxError    ErrorCode = "syntax error"
-	NotImplemented ErrorCode = "not implemented"
-	UnknownFormat  ErrorCode = "unknown format"
-	InvalidInput   ErrorCode = "invalid input"
-	ParseError     ErrorCode = "parse error"
-	IOError        ErrorCode = "io error"
-	UnknownError   ErrorCode = "unknown error"
+	SyntaxError     ErrorCode = "syntax error"
+	NotImplemented  ErrorCode = "not implemented"
+	UnknownFormat   ErrorCode = "unknown format"
+	InvalidInput    ErrorCode = "invalid input"
+	ParseError      ErrorCode = "parse error"
+	IOError         ErrorCode = "io error"
+	InvalidProperty ErrorCode = "invalid property"
+	UnknownError    ErrorCode = "unknown error"
 )
 
 func (e JsonLdError) Error() string {

ld/options.go

@@ -65,6 +65,7 @@ type JsonLdOptions struct { //nolint:stylecheck
 	Algorithm     string
 	UseNamespaces bool
 	OutputForm    string
+	SafeMode      bool
 }
 
 // NewJsonLdOptions creates and returns new instance of JsonLdOptions with the given base.
@@ -88,6 +89,7 @@ func NewJsonLdOptions(base string) *JsonLdOptions { //nolint:stylecheck
 		Algorithm:             AlgorithmURGNA2012,
 		UseNamespaces:         false,
 		OutputForm:            "",
+		SafeMode:              false,
 	}
 }