resolve deprecated warnings

mythz · mythz · commit 028fac93642a · 2018-08-08T23:41:05.000-04:00
diff --git a/lib/json_converters.dart b/lib/json_converters.dart
@@ -78,10 +78,10 @@ String _toString(value) => value == null ? null : value is String ? value : valu
 
 dynamic convert(dynamic value, String typeName, [TypeContext context=null]) {
   if (typeName == "int") {
-    return int.parse(_toString(value), onError: (s) => null);
+    return int.tryParse(_toString(value)) ?? null;
   }
   if (typeName == "double") {
-    return double.parse(_toString(value), (s) => null);
+    return double.tryParse(_toString(value)) ?? null;
   }
   if (typeName == "String") {
     return _toString(value);

Original file line number	Diff line number	Diff line change
`@@ -78,10 +78,10 @@ String _toString(value) => value == null ? null : value is String ? value : valu`
`78`	`78`
`79`	`79`	`dynamic convert(dynamic value, String typeName, [TypeContext context=null]) {`
`80`	`80`	`if (typeName == "int") {`
`81`		`- return int.parse(_toString(value), onError: (s) => null);`
	`81`	`+ return int.tryParse(_toString(value)) ?? null;`
`82`	`82`	`}`
`83`	`83`	`if (typeName == "double") {`
`84`		`- return double.parse(_toString(value), (s) => null);`
	`84`	`+ return double.tryParse(_toString(value)) ?? null;`
`85`	`85`	`}`
`86`	`86`	`if (typeName == "String") {`
`87`	`87`	`return _toString(value);`