62 lines
1.8 KiB
HTML
62 lines
1.8 KiB
HTML
<!--
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Copyright (C) 2017 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<link rel="import" href="../base-url-behavior/base-url-behavior.html">
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<script>
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(function(window) {
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'use strict';
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const PROBE_PATH = '/Documentation/index.html';
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const DOCS_BASE_PATH = '/Documentation';
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let cachedPromise;
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window.Gerrit = window.Gerrit || {};
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/** @polymerBehavior Gerrit.DocsUrlBehavior */
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Gerrit.DocsUrlBehavior = [{
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/**
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* Get the docs base URL from either the server config or by probing.
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* @param {Object} config The server config.
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* @param {!Object} restApi A REST API instance
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* @return {!Promise<string>} A promise that resolves with the docs base
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* URL.
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*/
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getDocsBaseUrl(config, restApi) {
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if (!cachedPromise) {
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cachedPromise = new Promise(resolve => {
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if (config && config.gerrit && config.gerrit.doc_url) {
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resolve(config.gerrit.doc_url);
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} else {
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restApi.probePath(this.getBaseUrl() + PROBE_PATH).then(ok => {
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resolve(ok ? (this.getBaseUrl() + DOCS_BASE_PATH) : null);
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});
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}
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});
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}
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return cachedPromise;
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},
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/** For testing only. */
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_clearDocsBaseUrlCache() {
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cachedPromise = undefined;
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},
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},
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Gerrit.BaseUrlBehavior,
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];
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})(window);
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</script>
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