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/*
This file is part of GNU Taler
(C) 2022-2024 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 { codecForUIForms, UiForms } from "@gnu-taler/web-util/browser";
import { ComponentChildren, createContext, h, VNode } from "preact";
import { useContext } from "preact/hooks";
/**
*
* @author Sebastian Javier Marchano (sebasjm)
*/
export type Type = UiForms;
const defaultForms: UiForms = {
forms: [],
};
const Context = createContext<Type>(defaultForms);
export type BaseForm = Record<string, unknown>;
export const useUiFormsContext = (): Type => useContext(Context);
export const UiFormsProvider = ({
children,
value,
}: {
value: UiForms;
children: ComponentChildren;
}): VNode => {
return h(Context.Provider, {
value,
children,
});
};
function removeUndefineField<T extends object>(obj: T): T {
const keys = Object.keys(obj) as Array<keyof T>;
return keys.reduce((prev, cur) => {
if (typeof prev[cur] === "undefined") {
delete prev[cur];
}
return prev;
}, obj);
}
export function fetchUiForms(listener: (s: UiForms) => void): void {
fetch("./forms.json")
.then((resp) => resp.json())
.then((json) => codecForUIForms().decode(json))
.then((result) =>
listener({
...defaultForms,
...removeUndefineField(result),
}),
)
.catch((e) => {
console.log("failed to fetch forms", e);
listener(defaultForms);
});
}
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