Set prop value for empty string

src/fields/string.jsx

@@ -22,7 +22,7 @@ render() {
 				style={inputStyle.input}
 				name={this.props.name}
 				placeholder={this.props.default}
-				value={this.props.value}
+				value={this.props.value ? this.props.value : ""}
 				onChange={this.onChange.bind(this)}
 			/>
 		</div>

src/map.jsx

@@ -26,6 +26,7 @@ export class Map extends React.Component {
 		// TODO: If there is no map yet we need to apply the changes later?
 		if(this.state.map) {
 			style.diffStyles(this.props.mapStyle, nextProps.mapStyle).forEach(change => {
+				console.log(change.command, ...change.args)
 				this.state.map[change.command].apply(this.state.map, change.args);
 			});
 		}