plant discovery

function worldTour(input){
    let stops = input.shift();
    let command = input.shift();
    while(command !== 'Travel') {
        let [action, ...data] = command.split(':');
        if(action.includes('Add')) {
            let [index, string] = data;
            index = Number(index);
            if(index >= 0 && index < stops.length) {
                stops = stops.slice(0, index) + string + stops.slice(index);
            }
            console.log(stops);
        } else if (action.includes('Remove')) {
            let [startIndex, endIndex] = data.map(Number);
            if(startIndex >= 0 && endIndex >= startIndex && endIndex < stops.length)  {
                let substring = stops.slice(startIndex, endIndex+1);
                stops = stops.replace(substring, '');
            }
            console.log(stops);
        } else {
            let [oldString, newString] = data;
            if(stops.includes(oldString)) {
                let splitted = stops.split(oldString);
                stops = splitted.join(newString);
            }
            console.log(stops);
        }
        command = input.shift();
    }
    console.log(`Ready for world tour! Planned stops: ${stops}`);
}