dns-zonefile/bin/zonefile-cli.js

A DNS zone file parser and generator.

#!/usr/bin/env node

import fs from 'fs';
import zonefile from '../lib/zonefile.js';

import { createRequire } from "module";
const require = createRequire(import.meta.url);

var args = function () {
  var ret = [];
  process.argv.forEach(function (val, index, array) {
    if (index >= 2) {
      ret.push(val);
    }
  });
  return ret;
};

var input = args();

var pjson = require('../package.json');
if (input.length === 0) {
  console.log('dns-zonefile version: ', pjson.version);
  console.log('Usage:');
  console.log('   "zonefile [-v|--version]" to show version information.');
  console.log('   "zonefile -p zonefile.txt" to parse a zonefile to JSON.');
  console.log('   "zonefile -g zonefile.json" to generate a zonefile from JSON.');
  console.log('   "zonefile zonefile.json" to generate a zonefile from JSON if the file name ' +
    '\n     contains ".json", case insensitively, otherwise to parse the file as a zonefile to JSON.');
} else if (input[0] === '-v' || input[0] === '--version') {
  console.log('dns-zonefile version: ', pjson.version);
} else if (input[0] === '-g') {
  var src = input[1];
  var options = fs.readFileSync(src, 'utf8');
  var output = zonefile.generate(JSON.parse(options));
  console.log(output);
} else if (input[0] === '-p') {
  var src = input[1];
  var options = fs.readFileSync(src, 'utf8');
  var output = zonefile.parse(options);
  console.log(JSON.stringify(output));
} else {
  var src = input[0];
  var options = fs.readFileSync(src, 'utf8');
  if (src.toLocaleLowerCase().indexOf('.json') > 0) {
    var output = zonefile.generate(JSON.parse(options));
  } else {
    var output = zonefile.parse(options);
    output = JSON.stringify(output);
  }
  console.log(output);
}