View difference between Paste ID: ZgfbyWgv and yqWuHPZA

 class ItemEditor extends PureComponent {
 	constructor(props) {
 		super(props);
 		var item = this.props.item || {};
-			itemId: '',
+
-			itemName: ''
+			itemId: item.id || '',
 			itemName: item.name || ''
 		}
 		this.onSave = this.onSave.bind(this);
 		this.onItemPropChange = this.onItemPropChange.bind(this);
 	}
 
 	createChangedItem() {
 		return {id: this.state.itemId, name: this.state.itemName};
 	}
 
 	onItemPropChange(propName, e) {
 		let st = {};
 		st[propName] = e.target.value;
 		this.setState(st);
 	}
 
 	onSave(e) {
-			const item = Object.assign({}, this.props.item, this.createChangedItem());
+
 			const item = Object.assign({}, this.createChangedItem());
 			this.props.onSave(this.props.item, item);
 		}
 	}
 
 	render() {
 		return (
 			<div>
 			<input type="text" value={this.state.itemId} onChange={(e) => this.onItemPropChange('itemId', e)}/>
 			<input type="text" value={this.state.itemName} onChange={(e) => this.onItemPropChange('itemName', e)}/>
 			<button onClick={this.onSave}>Save</button>
 			</div>
 		);
 	}
 }