@monstermann/fn/dist/array/internals/offset.js

A utility library for TypeScript.

//#region src/array/internals/offset.ts
function resolveOffset(target, offset) {
	if (!Number.isSafeInteger(offset)) return -1;
	if (offset < 0) return Math.max(target.length + offset, -1);
	return offset >= 0 && offset < target.length ? offset : -1;
}

//#endregion
export { resolveOffset };