es2049package/bin/clean.js

ECMAScript 2049 package: zero-configuration libraries and command-line utilies by Harald Rudell

#!/usr/bin/env node
import fs from 'fs-extra';
import path from 'path';

/*
© 2017-present Harald Rudell <harald.rudell@gmail.com> (http://www.haraldrudell.com)
This source code is licensed under the ISC-style license found in the LICENSE file in the root directory of this source tree.
*/
async function clean(args) {
  if (typeof args === 'string') args = [args];else if (!Array.isArray(args) || !args.length) throw new Error('clean: argument not non-empty string or array');

  for (let [index, s] of args) {
    const st = typeof s;
    if (st !== 'string' || !s) throw new Error(`clean: index ${index}: not non-empty string: ${st}`);
  }

  console.log(`clean: ${args.join(' ')}…`);
  const projectDir = fs.realpathSync(process.cwd()); // project directory without symlinks

  await Promise.all(args.map(s => removeIfExist(path.resolve(projectDir, s))));
  console.log('clean completed successfully.');
}

async function removeIfExist(p) {
  if (await fs.exists(p)) await fs.remove(p);
}

/*
© 2017-present Harald Rudell <harald.rudell@gmail.com> (http://www.haraldrudell.com)
This source code is licensed under the ISC-style license found in the LICENSE file in the root directory of this source tree.
*/
const m = 'cleanbin';
let debug;
doClean(process.argv.slice(2)).catch(onReject);

async function doClean(argv) {
  for (let [ix, arg] of argv.entries()) arg === '-debug' && (debug = true) && argv.splice(ix, 1);

  const entries = argv.length ? argv : await readJsonRollupClean();
  debug && console.log(`${m} entries: ${entries} argv.length: ${argv.length}`);
  return clean(entries);
}

async function readJsonRollupClean() {
  const json = JSON.parse((await fs.readFile(path.resolve('package.json'), 'utf8')));
  return json && json.rollup && json.rollup.clean;
}

function onReject(e) {
  debug && console.error(`${m} error handler:`);
  if (!(e instanceof Error)) e = new Error(`Error value: ${typeof e} ${e}`);
  console.error(!debug ? e.message : e);
  process.exit(1);
}