修复负数没有默认值的问题

src/index.js

@@ -190,12 +190,12 @@ function addProp(dataContainer, name, valueDeclaration, checker) {
 		} else if (initializer.arguments) {
 			defaultValue = [];
 			for (let argument of initializer.arguments) {
-				let typeDef = checker.getTypeAtLocation(argument);
-
 				let value = argument.text || (argument.name && argument.name.escapedText);
 				defaultValue.push(value);
 			}
-		} else {
+		} else if(typeName === 'number'){
+			defaultValue = initializer && (initializer.text ? parseFloat(initializer.text) : (initializer.operand ? -parseFloat(initializer.operand.text) : undefined))
+		}else{
 			defaultValue = initializer && (initializer.text || (initializer.name && initializer.name.escapedText));
 		}
 	}