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- // Licensed to Cloudera, Inc. under one
- // or more contributor license agreements. See the NOTICE file
- // distributed with this work for additional information
- // regarding copyright ownership. Cloudera, Inc. licenses this file
- // to you 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 fs = require('fs');
- const mkdirp = require('mkdirp');
- const path = require('path');
- const LOG_NAME = 'jsonHandler.js';
- /**
- * Saves the topics to json files in the given outputPath folder
- *
- * @param {Topic[]} topics
- * @param {string} outputPath
- * @param {string} [makoPath] - If set it will add the index and topic tree to this file
- * @return {Promise}
- */
- const saveTopics = (topics, outputPath, makoPath, isImpala) => {
- const index = {};
- const topLevel = [];
- const savePromises = [];
- const saveTopicsInternal = (topics, parent) => {
- topics.forEach(topic => {
- const entry = {
- title: topic.fragment.title
- .text()
- .replace(/[\n\r]/g, '')
- .trim(),
- ref: topic.ref,
- children: []
- };
- if (!parent) {
- topLevel.push(entry);
- } else {
- parent.children.push(entry);
- }
- let fileName = topic.ref.replace('.xml', '.json');
- if (fileName.indexOf('.json') === -1) {
- fileName += '.json';
- }
- index[topic.ref] = fileName;
- const filePath = outputPath + fileName;
- savePromises.push(
- new Promise((resolve, reject) => {
- mkdirp(path.dirname(filePath), err => {
- if (!err) {
- fs.writeFile(filePath, topic.toJson(), err => {
- if (err) {
- reject(err);
- } else {
- resolve();
- }
- });
- } else {
- reject(err);
- }
- });
- })
- );
- saveTopicsInternal(topic.children, entry);
- });
- };
- saveTopicsInternal(topics);
- const indexTypes = {
- impala: {
- staticPrefix: "':'${ static('desktop/docs/impala/",
- docIndexRegex: /window\.IMPALA_DOC_INDEX.*\n/,
- docIndexPrefix: 'window.IMPALA_DOC_INDEX = {',
- topLevelRegex: /window\.IMPALA_DOC_TOP_LEVEL.*\n/,
- topLevelPrefix: 'window.IMPALA_DOC_TOP_LEVEL = ['
- },
- hive: {
- staticPrefix: "':'${ static('desktop/docs/hive/",
- docIndexRegex: /window\.HIVE_DOC_INDEX.*\n/,
- docIndexPrefix: 'window.HIVE_DOC_INDEX = {',
- topLevelRegex: /window\.HIVE_DOC_TOP_LEVEL.*\n/,
- topLevelPrefix: 'window.HIVE_DOC_TOP_LEVEL = ['
- }
- };
- if (makoPath) {
- const indexType = isImpala ? indexTypes.impala : indexTypes.hive;
- savePromises.push(
- new Promise((resolve, reject) => {
- fs.readFile(makoPath, 'utf-8', (err, contents) => {
- if (err) {
- reject(err);
- return;
- }
- const indexStrings = [];
- Object.keys(index).forEach(key => {
- indexStrings.push("'" + key + indexType.staticPrefix + index[key] + "') }'");
- });
- contents = contents.replace(
- indexType.docIndexRegex,
- indexType.docIndexPrefix + indexStrings.join(',') + '};\n'
- );
- const createTopicJs = entry => {
- return (
- "{title:'" +
- entry.title +
- "',ref:'" +
- entry.ref +
- "',children:[" +
- entry.children.map(createTopicJs).join(',') +
- ']}'
- );
- };
- contents = contents.replace(
- indexType.topLevelRegex,
- indexType.topLevelPrefix + topLevel.map(createTopicJs).join(',') + '];\n'
- );
- fs.writeFile(makoPath.replace('.template', ''), contents, err => {
- if (err) {
- reject(err);
- return;
- }
- console.log('%s: %s written.', LOG_NAME, makoPath.replace('.template', ''));
- resolve();
- });
- });
- })
- );
- }
- return Promise.all(savePromises);
- };
- module.exports = {
- saveTopics: saveTopics
- };
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