José Almeida
18 lines
630 B
TypeScript
18 lines
630 B
TypeScript
function validRevision(value: number | null | undefined): number | null {
|
|
if (typeof value !== "number" || !Number.isSafeInteger(value) || value < 0) return null;
|
|
return value;
|
|
}
|
|
|
|
export function compareUserSettingsRevisions(
|
|
left: number | null | undefined,
|
|
right: number | null | undefined,
|
|
): -1 | 0 | 1 | null {
|
|
const leftValue = validRevision(left);
|
|
const rightValue = validRevision(right);
|
|
if (leftValue === null && rightValue === null) return null;
|
|
if (leftValue === null) return -1;
|
|
if (rightValue === null) return 1;
|
|
if (leftValue === rightValue) return 0;
|
|
return leftValue > rightValue ? 1 : -1;
|
|
}
|