symfony-style-console/modern/Output/BufferedOutput.js

Use the style and utilities of the Symfony Console in Node.js

import { EOL } from '../env';
import Output from './Output';
/**
 * An [[OutputInterface]] that buffers its written messages.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 *
 * Original PHP class
 *
 * @author Florian Reuschel <florian@loilo.de>
 *
 * Port to TypeScript
 */
export default class BufferedOutput extends Output {
    constructor() {
        super(...arguments);
        this.buffer = '';
    }
    /**
     * Empties buffer and returns its content.
     *
     * @return string
     */
    fetch() {
        const content = this.buffer;
        this.buffer = '';
        return content;
    }
    /**
     * {@inheritdoc}
     */
    doWrite(message, newline) {
        this.buffer += message;
        if (newline)
            this.buffer += EOL;
    }
}