gistfile1.txt

interface IPrimaryTextProps {
    text:string|string[];
}

function PrimaryText(props:IPrimaryTextProps) {
    let text:Array<string | JSX.Element> | string = [];
    if (_.isArray(props.text)) {
        const items:Array<string | JSX.Element> = [];
        props.text.map((value, index) => {
            items.push(value);
            if (props.text.length > 1 + index) {
                items.push(<br key={index}/>);
            }
        });
        text = items;
    } else {
        text = props.text;
    }
    return <div className={style.PrimaryText}>{text}</div>;
}