common-password-checker/lib/generate-json.js

Checks if given password is popular.

/*jslint node: true */
'use strict';

var crc32 = require('buffer-crc32');
var fs = require('fs');

function isNotEmpty(line) {
  return Boolean(line.length);
}

function parseLine(line) {
  return crc32.unsigned(line.trim());
}

var lines = fs.readFileSync('./lib/pwlist.txt').toString().split('\n');
var result = lines.filter(isNotEmpty).map(parseLine);
var json = JSON.stringify(result, null, 2);
fs.writeFileSync('./lib/pwlist.json', json);