class CheckListItemExample extends React.Component {

    constructor(){
        super();

        this.checkIt = this.checkIt.bind(this);

        this.state = {
            processes: [
                {
                    content: 'Just don\'\t do it',
                    name: 'Nukes launched',
                    status: false
                },
                {
                    content: 'Win three games in Heroes of the Storm',
                    name: 'HotS Challenge',
                    status: true
                }
            ]
        };
    }

    render(){
        const listChecks = this.state.processes.map((process, i) => {
            return (
                <CheckListItem
                    key={i}
                    onClick={this.checkIt(i)}
                    status={process.status}
                    title={process.name}
                    text={process.content}
                />
            );
        });

        return(
            <div>
                {listChecks}
            </div>
        );
    }

    checkIt(i) {
        return (e, data) => {
            const processes = this.state.processes;
            processes[i].status = !this.state.processes[i].status;

            this.setState({processes});
            console.log(data.value);
        };
    }
}

class CheckListItemExample extends React.Component {

    constructor(){
        super();

        this.checkIt = this.checkIt.bind(this);

        this.state = {
            processes: [
                {
                    content: 'Just don\'\t do it',
                    name: 'Nukes launched',
                    status: false
                },
                {
                    content: 'Win three games in Heroes of the Storm',
                    name: 'HotS Challenge',
                    status: true
                }
            ]
        };
    }

    render(){
        const listChecks = this.state.processes.map((process, i) => {
            return (
                <CheckListItem
                    key={i}
                    onClick={this.checkIt(i)}
                    status={process.status}
                    title={process.name}
                    content={process.content}
                />
            );
        });

        return(
            <div>
                {listChecks}
            </div>
        );
    }

    checkIt(i) {
        return (e, data) => {
            const processes = this.state.processes;
            processes[i].status = !this.state.processes[i].status;

            this.setState({processes});
            console.log(data.value);
        };
    }
}

Fix CheckListItem in the playground
Fix CheckListItem in the playground
