Can't find my mistake on the switch

Hello,

I have errors with this code :

let game = (mode) => {

    swith (mode) {
        case 'none':
            mode_none();
            break;
        case 'multi':
            mode_multi();
            break;
        case 'single': 
            mode_single();
            break;
        default:
            return null;    
    }
}

It’s weird since i don’t find any syntax error but VScode highlight differents parts like the first bracket after “switch (mode)” and every “case” and also every " : "

line 3, syntax error

Oh yeah, what a mistake, thanks!