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gotosocial/web/source/settings/lib/form/index.ts

118 lines
3.9 KiB
TypeScript

/*
GoToSocial
Copyright (C) GoToSocial Authors admin@gotosocial.org
SPDX-License-Identifier: AGPL-3.0-or-later
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { useMemo } from "react";
import getByDot from "get-by-dot";
import text from "./text";
import file from "./file";
import bool from "./bool";
import radio from "./radio";
import combobox from "./combo-box";
import checklist from "./check-list";
import array from "./array";
import fieldarray from "./field-array";
import type {
CreateHook,
FormInputHook,
HookOpts,
TextFormInputHook,
RadioFormInputHook,
FileFormInputHook,
BoolFormInputHook,
ComboboxFormInputHook,
ChecklistInputHook,
FieldArrayInputHook,
ArrayInputHook,
} from "./types";
function capitalizeFirst(str: string) {
return str.slice(0, 1).toUpperCase + str.slice(1);
}
function selectorByKey(key: string) {
if (key.includes("[")) {
// get-by-dot does not support 'nested[deeper][key]' notation, convert to 'nested.deeper.key'
key = key
.replace(/\[/g, ".") // nested.deeper].key]
.replace(/\]/g, ""); // nested.deeper.key
}
return function selector(obj) {
if (obj == undefined) {
return undefined;
} else {
return getByDot(obj, key);
}
};
}
/**
* Memoized hook generator function. Take a createHook
* function and use it to return a new FormInputHook function.
*
* @param createHook
* @returns
*/
function inputHook(createHook: CreateHook): (_name: string, _opts: HookOpts) => FormInputHook {
return (name: string, opts?: HookOpts): FormInputHook => {
// for dynamically generating attributes like 'setName'
const Name = useMemo(() => capitalizeFirst(name), [name]);
const selector = useMemo(() => selectorByKey(name), [name]);
const valueSelector = opts?.valueSelector?? selector;
if (opts) {
opts.initialValue = useMemo(() => {
if (opts.source == undefined) {
return opts.defaultValue;
} else {
return valueSelector(opts.source) ?? opts.defaultValue;
}
}, [opts.source, opts.defaultValue, valueSelector]);
}
const hook = createHook({ name, Name }, opts ?? {});
return Object.assign(hook, { name, Name });
};
}
/**
* Simplest form hook type in town.
*/
function value<T>(name: string, initialValue: T) {
return {
_default: initialValue,
name,
Name: "",
value: initialValue,
hasChanged: () => true, // always included
};
}
export const useTextInput = inputHook(text) as (_name: string, _opts?: HookOpts<string>) => TextFormInputHook;
export const useFileInput = inputHook(file) as (_name: string, _opts?: HookOpts<File>) => FileFormInputHook;
export const useBoolInput = inputHook(bool) as (_name: string, _opts?: HookOpts<boolean>) => BoolFormInputHook;
export const useRadioInput = inputHook(radio) as (_name: string, _opts?: HookOpts<string>) => RadioFormInputHook;
export const useComboBoxInput = inputHook(combobox) as (_name: string, _opts?: HookOpts<string>) => ComboboxFormInputHook;
export const useCheckListInput = inputHook(checklist) as (_name: string, _opts?: HookOpts<boolean>) => ChecklistInputHook;
export const useArrayInput = inputHook(array) as (_name: string, _opts?: HookOpts<string[]>) => ArrayInputHook;
export const useFieldArrayInput = inputHook(fieldarray) as (_name: string, _opts?: HookOpts<string>) => FieldArrayInputHook;
export const useValue = value as <T>(_name: string, _initialValue: T) => FormInputHook<T>;