问将版权标题添加到编译的角应用程序中

EN

const webpack = require('webpack'); module.exports = { plugins: [ new webpack.BannerPlugin('—– Some test comment for top of file —–') ] }

(function (window) {
  window.__env = window.__env || {};
  window.__env.apiUrl = 'http://localhost:8080';
  window.__env.copyright= 'Copyright the current year Acme, Co.';
  window.__env.enableDebug = true;
}(this));

const fs = require('fs');
const path = require('path');

const Copyright = {
    _fs: null,
    _path: null,
    _config: {
        directory: './dist/'
    },
    _copyrightTextBuffer: null,
    _readCopyrightTextFromFile: function () {
        console.log(`Reading copyright text from ${__dirname}\\copyright.txt`);
        this._copyrightTextBuffer = fs.readFileSync(`${__dirname}\\copyright.txt`);
        console.info(`Copyright text is: \n ${this._copyrightTextBuffer}`);
    },
    _readFileRecusivly: function () {
        const self = this;
        const directoryPath = this._path.join(__dirname, this._config.directory);
        console.log(`Updaing js file inside ${directoryPath} directory.`);
        this._fs.readdir(directoryPath, function (err, files) {
            //handling error
            if (err) {
                return console.error('Unable to scan directory: ' + err);
            }
            const jsFileRegex = new RegExp('\\.js$|\\.css$');
            files.forEach((file) => {
                // if file is only js type
                if (jsFileRegex.test(file)) {
                    self._updateFileWithCopyRight(file)
                }
            });
        });
    },
    _updateFileWithCopyRight: function (filename) {
        const file = this._path.join(__dirname, `${this._config.directory}\\${filename}`);
        var data = this._fs.readFileSync(file); //read existing contents into data
        var fd = this._fs.openSync(file, 'w+');
        fs.writeSync(fd, this._copyrightTextBuffer, 0, this._copyrightTextBuffer.length, 0); //write new data
        fs.writeSync(fd, data, 0, data.length, this._copyrightTextBuffer.length); //append old data
        // close the file descriptor
        fs.close(fd, function (err) {
            if (err) {
                console.error(`Failed to close the file: ${file}`);
            }
            console.log(`Udated the copyright text for '${file}' file`);
        });
    },
    init: function (fs, path, directoryPath) {
        this._fs = fs;
        this._path = path;
        this._config.directory = directoryPath ? directoryPath : this._config.directory;
        this._readCopyrightTextFromFile();
        this._readFileRecusivly();
    }
}

if (process.argv && process.argv.length === 3) {
    Copyright.init(fs, path, process.argv[2]);
} else {
    Copyright.init(fs, path);
}