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/*
* Copyright (C) 2023-2024 Yomitan Authors
*
* This program 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import {ExtensionError} from './extension-error.js';
/**
* @template {import('api-map').ApiSurface} [TApiSurface=never]
* @template {unknown[]} [TExtraParams=[]]
* @param {import('api-map').ApiMapInit<TApiSurface, TExtraParams>} init
* @returns {import('api-map').ApiMap<TApiSurface, TExtraParams>}
*/
export function createApiMap(init) {
return new Map(init);
}
/**
* @template {import('api-map').ApiSurface} [TApiSurface=never]
* @template {unknown[]} [TExtraParams=[]]
* @param {import('api-map').ApiMap<TApiSurface, TExtraParams>} map
* @param {import('api-map').ApiMapInit<TApiSurface, TExtraParams>} init
* @throws {Error}
*/
export function extendApiMap(map, init) {
for (const [key, value] of init) {
if (map.has(key)) { throw new Error(`The handler for ${String(key)} has already been registered`); }
map.set(key, value);
}
}
/**
* @template {import('api-map').ApiSurface} [TApiSurface=never]
* @template {unknown[]} [TExtraParams=[]]
* @param {import('api-map').ApiMap<TApiSurface, TExtraParams>} map
* @param {string} name
* @returns {import('api-map').ApiHandlerAny<TApiSurface, TExtraParams>|undefined}
*/
export function getApiMapHandler(map, name) {
return map.get(/** @type {import('api-map').ApiNames<TApiSurface>} */ (name));
}
/**
* @template {import('api-map').ApiSurface} [TApiSurface=never]
* @template {unknown[]} [TExtraParams=[]]
* @param {import('api-map').ApiMap<TApiSurface, TExtraParams>} map
* @param {string} name
* @param {import('api-map').ApiParamsAny<TApiSurface>} params
* @param {TExtraParams} extraParams
* @param {(response: import('core').Response<import('api-map').ApiReturnAny<TApiSurface>>) => void} callback
* @param {() => void} [handlerNotFoundCallback]
* @returns {boolean} `true` if async, `false` otherwise.
*/
export function invokeApiMapHandler(map, name, params, extraParams, callback, handlerNotFoundCallback) {
const handler = getApiMapHandler(map, name);
if (typeof handler === 'undefined') {
if (typeof handlerNotFoundCallback === 'function') {
try {
handlerNotFoundCallback();
} catch (error) {
// NOP
}
}
return false;
}
try {
const promiseOrResult = handler(/** @type {import('core').SafeAny} */ (params), ...extraParams);
if (promiseOrResult instanceof Promise) {
/** @type {Promise<unknown>} */ (promiseOrResult).then(
(result) => { callback({result}); },
(error) => { callback({error: ExtensionError.serialize(error)}); },
);
return true;
} else {
callback({result: promiseOrResult});
return false;
}
} catch (error) {
callback({error: ExtensionError.serialize(error)});
return false;
}
}
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