blob: 236e7e96f766ac4cb711203cc6f28ae939c5623b [file] [log] [blame]
import {ServerInfo} from '../types/common';
import {RestApiService} from '../services/services/gr-rest-api/gr-rest-api';
/**
* @license
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const PROBE_PATH = '/Documentation/index.html';
const DOCS_BASE_PATH = '/Documentation';
export function getBaseUrl(): string {
return window.CANONICAL_PATH || '';
}
let getDocsBaseUrlCachedPromise: Promise<string | null> | undefined;
/**
* Get the docs base URL from either the server config or by probing.
*
* @param config The server config.
* @param restApi A REST API instance
* @return A promise that resolves with the docs base
* URL.
*/
export function getDocsBaseUrl(
config: ServerInfo,
restApi: RestApiService
): Promise<string | null> {
if (!getDocsBaseUrlCachedPromise) {
getDocsBaseUrlCachedPromise = new Promise(resolve => {
if (config && config.gerrit && config.gerrit.doc_url) {
resolve(config.gerrit.doc_url);
} else {
restApi.probePath(getBaseUrl() + PROBE_PATH).then(ok => {
resolve(ok ? getBaseUrl() + DOCS_BASE_PATH : null);
});
}
});
}
return getDocsBaseUrlCachedPromise;
}
export function _testOnly_clearDocsBaseUrlCache() {
getDocsBaseUrlCachedPromise = undefined;
}
/**
* Pretty-encodes a URL. Double-encodes the string, and then replaces
* benevolent characters for legibility.
*/
export function encodeURL(url: string, replaceSlashes?: boolean): string {
// @see Issue 4255 regarding double-encoding.
let output = encodeURIComponent(encodeURIComponent(url));
// @see Issue 4577 regarding more readable URLs.
output = output.replace(/%253A/g, ':');
output = output.replace(/%2520/g, '+');
if (replaceSlashes) {
output = output.replace(/%252F/g, '/');
}
return output;
}
/**
* Single decode for URL components. Will decode plus signs ('+') to spaces.
* Note: because this function decodes once, it is not the inverse of
* encodeURL.
*/
export function singleDecodeURL(url: string): string {
const withoutPlus = url.replace(/\+/g, '%20');
return decodeURIComponent(withoutPlus);
}