1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
This file is part of GNU Taler
(C) 2022 Taler Systems S.A.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
import { TalerErrorDetail } from "@gnu-taler/taler-util";
// import { TalerError } from "@gnu-taler/taler-wallet-core";
import { useEffect, useMemo, useState } from "preact/hooks";
export interface HookOk<T> {
hasError: false;
response: T;
}
export type HookError = HookGenericError | HookOperationalError;
export interface HookGenericError {
hasError: true;
operational: false;
message: string;
}
export interface HookOperationalError {
hasError: true;
operational: true;
details: TalerErrorDetail;
}
interface WithRetry {
retry: () => void;
}
export type HookResponse<T> = HookOk<T> | HookError | undefined;
export type HookResponseWithRetry<T> =
| ((HookOk<T> | HookError) & WithRetry)
| undefined;
export function useAsyncAsHook<T>(
fn: () => Promise<T | false>,
deps?: any[],
): HookResponseWithRetry<T> {
const [result, setHookResponse] = useState<HookResponse<T>>(undefined);
const args = useMemo(
() => ({
fn,
// eslint-disable-next-line react-hooks/exhaustive-deps
}),
deps || [],
);
async function doAsync(): Promise<void> {
try {
const response = await args.fn();
if (response === false) return;
setHookResponse({ hasError: false, response });
} catch (e) {
// if (e instanceof TalerError) {
// setHookResponse({
// hasError: true,
// operational: true,
// details: e.errorDetail,
// });
// } else
if (e instanceof Error) {
setHookResponse({
hasError: true,
operational: false,
message: e.message,
});
}
}
}
useEffect(() => {
doAsync();
}, [args]);
if (!result) return undefined;
return { ...result, retry: doAsync };
}
|
