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/**
* Copyright 2017 Google Inc. All rights reserved.
*
* 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 path = require('path');
const util = require('util');
const fs = require('fs');
const readFileAsync = util.promisify(fs.readFile);
const readdirAsync = util.promisify(fs.readdir);
const writeFileAsync = util.promisify(fs.writeFile);
const PROJECT_DIR = path.join(__dirname, '..', '..');
class Source {
/**
* @param {string} filePath
* @param {string} text
*/
constructor(filePath, text) {
this._filePath = filePath;
this._projectPath = path.relative(PROJECT_DIR, filePath);
this._name = path.basename(filePath);
this._text = text;
this._hasUpdatedText = false;
}
/**
* @returns {string}
*/
filePath() {
return this._filePath;
}
/**
* @returns {string}
*/
projectPath() {
return this._projectPath;
}
/**
* @returns {string}
*/
name() {
return this._name;
}
/**
* @param {string} text
* @returns {boolean}
*/
setText(text) {
if (text === this._text) return false;
this._hasUpdatedText = true;
this._text = text;
return true;
}
/**
* @returns {string}
*/
text() {
return this._text;
}
/**
* @returns {boolean}
*/
hasUpdatedText() {
return this._hasUpdatedText;
}
async save() {
await writeFileAsync(this.filePath(), this.text());
}
/**
* @param {string} filePath
* @returns {!Promise<Source>}
*/
static async readFile(filePath) {
filePath = path.resolve(filePath);
const text = await readFileAsync(filePath, { encoding: 'utf8' });
return new Source(filePath, text);
}
/**
* @param {string} dirPath
* @param {string=} extension
* @returns {!Promise<!Array<!Source>>}
*/
static async readdir(dirPath, extension = '') {
const fileNames = await readdirAsync(dirPath);
const filePaths = fileNames
.filter((fileName) => fileName.endsWith(extension))
.map((fileName) => path.join(dirPath, fileName))
.filter((filePath) => {
const stats = fs.lstatSync(filePath);
return stats.isDirectory() === false;
});
return Promise.all(filePaths.map((filePath) => Source.readFile(filePath)));
}
}
module.exports = Source;
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