How to use debuglog - 3 common examples

│  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.                                            │
 \*───────────────────────────────────────────────────────────────────────────*/
import minimist from 'minimist';
import debuglog from 'debuglog';
import Common from './common.js';


const debug = debuglog('confit');

export default {

    argv() {
        let result = {};
        let args = minimist(process.argv.slice(2));

        for (let key of Object.keys(args)) {
            if (key === '_') {
                // Since the '_' args are standalone,
                // just set keys with null values.
                for (let prop of args._) {
                    result[prop] = null;
                }
            } else {
                result[key] = args[key];

import debuglog from 'debuglog';
import fs from 'fs-promise';
import path from 'path';
import logError from './log_error';
import File from 'vinyl';
import through2 from 'through2';

const debug = debuglog('dr-frankenstyle');

export default function() {
  let concatenatedCss = '';
  return through2.obj(
    async function(file, encoding, callback) {
      debug(`Processing css: ${file.path}`);

      const assetFilesToAdd = [];
      const cssWithUpdatedPaths = file.contents.toString().replace(/url\(\s*(['"]?)(.*?)([#?].*?)?\1\s*\)/g, (_, quote, url, query) => {
        assetFilesToAdd.push({
          readPath: path.join(path.dirname(file.path), url),
          namespacedPath: path.join(file.packageName, path.basename(url))
        });
        return `url('${file.packageName}/${path.basename(url)}${query || ''}')`;
      });

│  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.                                            │
 \*───────────────────────────────────────────────────────────────────────────*/
import Path from 'path';
import loadJsonicSync from 'load-jsonic-sync';
import debuglog from 'debuglog';
import Thing from 'core-util-is';
import Config from './config';
import Common from './common';
import Handlers from './handlers';
import Provider from './provider';


const debug = debuglog('confit');

export default class Factory {

    constructor({ basedir, protocols =  {}, defaults = 'config.json', envignore = []}) {
        this.envignore = envignore.push('env');
        this.basedir = basedir;
        this.protocols = protocols;
        this.promise = Promise.resolve({})
            .then(store => Common.merge(Provider.convenience(), store))
            .then(Factory.conditional(store => {
                let file = Path.join(this.basedir, defaults);
                return Handlers.resolveImport(loadJsonicSync(file), this.basedir)
                    .then(data => Common.merge(data, store));
            }))
            .then(Factory.conditional(store => {
                let file = Path.join(this.basedir, `${store.env.env}.json`);