lint.js

const fs = require('fs-promise');
const path = require('path');
const { JSV } = require('JSV');
const jsonfile = require('jsonfile-promised');
const { logError, logWarning } = require('./helper');

const linter = JSV.createEnvironment();

const lintBank = (bank, bankPath, bankName, country, schema) => new Promise((resolve, reject) => {
  const report = linter.validate(bank, schema);
  bankName = bankName.replace(/\.json$/, '');

  if (report.errors.length > 0) {
    report.errors.forEach(i => console.error(i));
    reject(bankPath);
  } else if (bank.country !== country) {
    reject(new Error(`${bankPath} :\ncountry folder doesn't match with bank country`));
  } else if (bank.name !== bankName) {
    reject(new Error(`${bankPath}:\nJSON filename doesn't match with bank name`));
  } else if (!/^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$/.test(bank.color)) {
    reject(new Error(`${bankPath}: \ninvalid color format (use HEX)`));
  } else {
    bank.prefixes.sort();
    if (/[A-F]\w*/.test(bank.color)) {
      bank.color = bank.color.toLowerCase();
      logWarning(`${bankPath}: bank color was changed to lowercase`);
    }
    resolve(bank);
  }
});

const lint = (files, schema) => new Promise((resolve, reject) => {
  const countries = files.filter(file => fs.lstatSync(path.join(__dirname, `banks/${file}`)).isDirectory());
  countries.reduce((countryPromise, country) => {
    const banks = fs.readdirSync(
      path.join(__dirname, `banks/${country}`)
    ).filter(file => /\.json$/.test(file));

    return countryPromise.then(() => banks.reduce((bankPromise, bankName) => {
      const bankPath = `banks/${country}/${bankName}`;
      const fullPath = path.join(__dirname, bankPath);
      return bankPromise.then(() => jsonfile.readFile(path.join(__dirname, bankPath))
        .then(bank => lintBank(bank, bankPath, bankName, country, schema))
        .then(bank => jsonfile.writeFile(fullPath, bank, { spaces: 2 }))
        .then(() => {
          // logSuccess(`banks/${country}/${bankName}`);
        })
        .catch(reject));
    }, Promise.resolve()));
  }, Promise.resolve());

  if (/\.json/.test(files.join())) {
    reject(new Error('JSON must not be placed straight in banks folder'));
  }
});

jsonfile.readFile(path.join(__dirname, 'schema.json')).then((schema) => {
  fs.readdir(path.join(__dirname, 'banks')).then(files => lint(files, schema)).catch((err) => {
    logError(err);
    process.exit(1);
  });
}).catch(logError);