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 streamToString = require('stream-to-string');
const Journal = require('..').Journal;

const HELP = `
  Arguments:

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

program
  .description(
    'Scrape metadata in journal pages, and output as JSON')
  .option(
    '--no-headless',
    'Run Chromium browser in window mode for debugging')
  .option(
    '--no-sandbox',
    'Run Chromium browser without the sandbox')
  .arguments(
    '[journal-ids...]')
  .on('--help', () => console.log(HELP))
  .action(async (ids, options) => {
    if (ids.length === 0) {
      const json = await streamToString(process.stdin);
      ids = JSON.parse(json);
    }
    const metadata = await Promise.all(
      Journal.from(ids).map(async (j) => await j.scrape(options)));
    console.log(JSON.stringify(metadata));
  })
  .parse(process.argv);