React

by nimishgoel056

HTML

<div id="app"></div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}
 .is-done {
                        text-decoration: line-through;
                    }
#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

li {
  margin: 8px 0;
}

h2 {
  font-weight: bold;
  margin-bottom: 15px;
}

.done {
  color: rgba(0, 0, 0, 0.3);
  text-decoration: line-through;
}

input {
  margin-right: 5px;
}

React

class TodoApp extends React.Component {
  indexValue =0;
    constructor(props) {
    super(props);
    this.state = {
      term: '',
      items: [], completedItems :0
    };
    this.gettotalUndone = this.gettotalUndone.bind(this);
    }
    onChange = (event) => {
    this.setState({term: event.target.value});
    }
    onSubmit = (event) => {
    event.preventDefault();
    console.log(this.state);
    if(this.state.term && this.state.term.trim() && this.state.term.trim().length)
    {
    this.setState({
      term: '',
      items: [...this.state.items, {id:Math.floor(Math.random() * 1001), term: this.state.term, completed: false}]
    });
    }
    } 
    getComponent(selected) {
    console.log(selected);
    //   let selectedItem =  this.state.items.find(item => item.id = selected.id);
    //    console.log(selectedItem); 
      // selected.completed = !selected.completed;
        let temp = this.state.items;
        console.log("item", temp);
        temp =  temp.map(item => {
            if(selected.id== item.id)
            item.completed = !item.completed;
            return item;
        })
       // this.setState({items: temp});
      this.setState({items: temp},  ()=> this.gettotalUndone());
      
}
// this.setState({items: temp}, ()=> this.gettotalUndone());
gettotalUndone(){
    console.log(this.state.items);
    let temp =0;
     if(this.state.items){
         console.log("in");
       let items =  this.state.items.filter(item => {
        return !item.completed
        });
        console.log(items);
         if(items && items.length >0) temp =  items.length; temp=  0;
     }
    
    //temp =  0;
    this.setState({completedItems: temp})
}
   
    render() {
        return (
           
                <div>
                    <h2>
                        Todo List
                    </h2>
                   <form className="App" onSubmit={this.onSubmit}>
                        <input value={this.state.term} onChange={this.onChange} />
 ...