Found trailing undefined in function call JS-W1042
Anti-pattern
Minor
5 months ago
—
10 months old
Remove redundant
undefined from function call12export const store_username = writable(undefined);
13export const store_userid = writable(undefined);
14export const store_search_input = writable(undefined);
15export const store_user_role = writable(undefined);Remove redundant
undefined from function call11export const store_token = writable(undefined);
12export const store_username = writable(undefined);
13export const store_userid = writable(undefined);
14export const store_search_input = writable(undefined);15export const store_user_role = writable(undefined);
Remove redundant
undefined from function call10
11export const store_token = writable(undefined);
12export const store_username = writable(undefined);
13export const store_userid = writable(undefined);14export const store_search_input = writable(undefined);
15export const store_user_role = writable(undefined);
Remove redundant
undefined from function call 9} */
10
11export const store_token = writable(undefined);
12export const store_username = writable(undefined);13export const store_userid = writable(undefined);
14export const store_search_input = writable(undefined);
15export const store_user_role = writable(undefined);Remove redundant
undefined from function call 8 await goto("/login");
9} */
10
11export const store_token = writable(undefined);12export const store_username = writable(undefined);
13export const store_userid = writable(undefined);
14export const store_search_input = writable(undefined);
Description
When an argument is omitted from a function call, it will default to undefined.
It is therefore redundant to explicitly pass an undefined literal as the last argument.
Bad Practice
function hasOptionalParam(a: number, b?: number) {
// ...
}
hasOptionalParam(1, undefined)
Recommended
function hasOptionalParam(a: number, b?: number) {
// ...
}
hasOptionalParam(1)
hasOptionalParam(1, 2)