Get, Update, Set, Delete Cookie in TypeScript

utils.ts

static getCookie(name: string): string {
        const matches = document.cookie.match(new RegExp(
            '(?:^|; )' + name.replace(/([\.$?*|{}\(\)\[\]\\\/\+^])/g, '\\$1') + '=([^;]*)'
        ));
        return matches ? decodeURIComponent(matches[1]) : undefined;
    }

static setCookie(name: string, value: string, props: any = {}): void {

        let exp: Date | number = props.expires;

        if (typeof exp === 'number' && exp) {
            const d = new Date();
            d.setTime(d.getTime() + exp * 1000);
            exp = props.expires = d;
        }

        if (exp && typeof exp !== 'number' && exp.toUTCString) {
            props.expires = exp.toUTCString();
        }

        value = encodeURIComponent(value);
        let updatedCookie = name + '=' + value;

        for (let propName in props) {
            updatedCookie += '; ' + propName;
            const propValue = props[propName];
            if (propValue !== true) {
                updatedCookie += '=' + propValue;
            }
        }

        document.cookie = updatedCookie;
}

static deleteCookie(name: string): void {
        return Utils.setCookie(name, null, {expires: -1});
}