function incrementListIndex(current, dir, opt) {
var len = opt.choices.realLength;
var shouldLoop = 'loop' in opt ? Boolean(opt.loop) : true;
if (dir === 'up') {
if (current > 0) {
return current - 1;
}
return shouldLoop ? len - 1 : current;
}
if (dir === 'down') {
if (current < len - 1) {
return current + 1;
}
return shouldLoop ? 0 : current;
}
throw new Error('dir must be up or down');
}
module.exports = incrementListIndex;
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| events.js | File | 1.4 KB | 0644 |
|
| incrementListIndex.js | File | 481 B | 0644 |
|
| paginator.js | File | 2.09 KB | 0644 |
|
| readline.js | File | 1.16 KB | 0644 |
|
| screen-manager.js | File | 3.83 KB | 0644 |
|
| utils.js | File | 813 B | 0644 |
|