Rocket.Chat/client/admin/apps/AppSettings.js

import React, { useMemo, useCallback } from 'react';
import { Box } from '@rocket.chat/fuselage';

import { useTranslation } from '../../contexts/TranslationContext';
import { MemoizedSetting } from '../settings/Setting';
import { capitalize } from '../../helpers/capitalize';
import { useRouteParameter } from '../../contexts/RouterContext';
import MarkdownText from '../../components/basic/MarkdownText';

export const AppSettingsAssembler = ({ settings, values, handlers }) => <Box>
	{Object.values(settings).map((current) => {
		const { id } = current;
		return <AppSetting key={id} appSetting={current} value={values[id]} onChange={handlers[`handle${ capitalize(id) }`]} />;
	})}
</Box>;

const useAppTranslation = (appId) => {
	const t = useTranslation();

	const tApp = useCallback((key, ...args) => {
		if (!key) {
			return '';
		}

		const appKey = `project:apps-${ appId }-${ key }`;
		return t(t.has(appKey) ? appKey : key, ...args);
	}, [t, appId]);

	tApp.has = useCallback((key) => {
		if (!key) {
			return false;
		}

		return t.has(`project:apps-${ appId }-${ key }`) || t.has(key);
	}, [t, appId]);

	return tApp;
};

function AppSetting({ appSetting, onChange, value, ...props }) {
	const appId = useRouteParameter('id');
	const tApp = useAppTranslation(appId);

	const {
		id,
		type,
		i18nLabel,
		i18nDescription,
	} = appSetting;

	const label = (i18nLabel && tApp(i18nLabel)) || (id || tApp(id));
	const hint = useMemo(() => i18nDescription && <MarkdownText content={tApp(i18nDescription)} />, [i18nDescription, tApp]);

	return <MemoizedSetting
		type={type}
		label={label}
		hint={hint}
		value={value}
		onChangeValue={onChange}
		_id={id}
		{...props}
	/>;
}