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server.ts
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server.ts
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// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
import { URLExt } from '@jupyterlab/coreutils';
import { ServerConnection } from '@jupyterlab/services';
/**
* The url for the translations service.
*/
const TRANSLATIONS_SETTINGS_URL = 'api/translations';
/**
* Call the API extension
*
* @param locale API REST end point for the extension
* @param init Initial values for the request
* @returns The response body interpreted as JSON
*/
export async function requestTranslationsAPI<T>(
translationsUrl: string = '',
locale = '',
init: RequestInit = {},
serverSettings: ServerConnection.ISettings | undefined = undefined
): Promise<T> {
// Make request to Jupyter API
const settings = serverSettings ?? ServerConnection.makeSettings();
translationsUrl =
translationsUrl || `${settings.appUrl}/${TRANSLATIONS_SETTINGS_URL}`;
const translationsBase = URLExt.join(settings.baseUrl, translationsUrl);
const requestUrl = URLExt.join(translationsBase, locale);
if (!requestUrl.startsWith(translationsBase)) {
throw new Error('Can only be used for translations requests');
}
let response: Response;
try {
response = await ServerConnection.makeRequest(requestUrl, init, settings);
} catch (error) {
throw new ServerConnection.NetworkError(error);
}
let data: any = await response.text();
if (data.length > 0) {
try {
data = JSON.parse(data);
} catch (error) {
console.error('Not a JSON response body.', response);
}
}
if (!response.ok) {
throw new ServerConnection.ResponseError(response, data.message || data);
}
return data;
}