masnagam/njtool

#!/usr/bin/env node

// This file is distributed under the MIT license.
// See LICENSE file in the project root for details.

'use strict';

const program = require('commander');
const Volume = require('..').Volume;

const HELP = `
  Arguments:

    volume-ids  List of journal volume IDs represented as <name>:<volume>
`;

program
  .description(
    'Scrape metadata in volume pages, and output as JSON')
  .option(
    '--only-ids',
    'Output a list of journal IDs')
  .option(
    '--no-headless',
    'Run Chromium browser in window mode for debugging')
  .option(
    '--no-sandbox',
    'Run Chromium browser without the sandbox')
  .arguments(
    '<volume-ids...>')
  .on('--help', () => console.log(HELP))
  .action(async (ids, options) => {
    const volumes = await Promise.all(
      Volume.from(ids).map(async (v) => await v.scrape(options)));
    if (options.onlyIds) {
      console.log(JSON.stringify(
        volumes
          .filter((v) => v.error === undefined)
          .reduce((acc, v) => {
            return acc.concat(
              v.issues.map((i) => `${v.name}:${v.volume}:${i.id}`));
          }, [])
          .sort()
      ));
    } else {
      console.log(JSON.stringify(volumes));
    }
  })
  .parse(process.argv);