An ATproto social media client -- with an independent Appview.
quilling.dev
1// It should roll when:
2// - We're going from 1 to 0 (roll backwards)
3// - The count is anywhere between 1 and 999
4// - The count is going up and is a multiple of 100
5// - The count is going down and is 1 less than a multiple of 100
6export function decideShouldRoll(isSet: boolean, count: number) {
7 let shouldRoll = false
8 if (!isSet && count === 1) {
9 shouldRoll = true
10 } else if (count > 1 && count < 1000) {
11 shouldRoll = true
12 } else if (count > 0) {
13 const mod = count % 100
14 if (isSet && mod === 0) {
15 shouldRoll = true
16 } else if (!isSet && mod === 99) {
17 shouldRoll = true
18 }
19 }
20 return shouldRoll
21}