build(deps-dev): apply updates
[e-mobility-charging-stations-simulator.git] / ui / web / src / composables / Utils.ts
CommitLineData
f568f368
JB
1const isUndefined = (value: unknown): boolean => {
2 return typeof value === 'undefined';
3};
4
5export const ifUndefined = <T>(value: T | undefined, isValue: T): T => {
6 if (isUndefined(value) === true) return isValue;
7 return value as T;
8};
9
10// const isIterable = <T>(obj: T): boolean => {
11// if (obj === null || obj === undefined) {
12// return false;
13// }
14// return typeof (obj as unknown as Iterable<T>)[Symbol.iterator] === 'function';
15// };
16
17// const ifNotIterableDo = <T>(obj: T, cb: () => void): void => {
18// if (isIterable(obj) === false) cb();
19// };
20
21const isPromisePending = (promise: Promise<unknown>): boolean => {
22 return util.inspect(promise).includes('pending');
23};
24
25export const promiseWithTimeout = <T>(
26 promise: Promise<T>,
27 timeoutMs: number,
28 timeoutError: Error,
29 timeoutCallback: () => void = () => {
30 /* This is intentional */
f3095697 31 },
f568f368
JB
32): Promise<T> => {
33 // Create a timeout promise that rejects in timeout milliseconds
34 const timeoutPromise = new Promise<never>((_, reject) => {
35 setTimeout(() => {
36 if (isPromisePending(promise)) {
37 timeoutCallback();
38 // FIXME: The original promise shall be canceled
39 }
40 reject(timeoutError);
41 }, timeoutMs);
42 });
43
44 // Returns a race between timeout promise and the passed promise
45 return Promise.race<T>([promise, timeoutPromise]);
46};
47
48// export const compose = <T>(...fns: ((arg: T) => T)[]): ((x: T) => T) => {
49// return (x: T) => fns.reduceRight((y, fn) => fn(y), x);
50// };