db-country :

In memory Countries' database with the following properties :

• Country name (english,German)
• ISO code
• continent
• capital
• population
• Country
• ... and many other properties

Install :

 npm install db-country --save;

How to use :

1. Import :

   var Country=require('db-country');

2. Get All countries :

Country.findAll();

3. Find By name :

   Country.get('Saudi Arabia');
   //---------OR---------
   Country.findBy('name','Saudi Arabia');
   /**
   { name_en: 'Saudi Arabia',
  name_de: 'Saudi-Arabien',
  name_local: 'Al-´Arabiya as-Sa´udiya',
  code: 'SA',
  continent: 'Asia',
  capital: '',
  population: '27752316',
  area: '2149690',
  coastline: '2640',
  gov: 'monarchy',
  currency: 'Riyal',
  currency_code: 'SAR',
  dialing_prefix: '966',
  birthrate: '18.5',
  deathrate: '3.3',
  life_expect: '75',
  url: 'https://www.laenderdaten.info/Asien/Saudi-Arabien/index.php' }
   */

4. Find by other properties :

// - Find By government Form
Country.findBy('gov','republic').length
 //---  126 (countries)
 Country.findBy('currency','dinar').length
 // --- 8 (countries deal with Dinar)

5. Find Greater than :

    //-- contains more than 10 million people.
     Country.findGE('population',10E6);

6. Find less than :

  Country.findLE('birthrate',25);    

7. Find Between two values:

  //-- small population : between 100 & 1000 people
  Country.findAround('population',1E3,1E4);

8. Grouping By property:

    var byContinent=Country.groupBy('continent');
    console.log(`${byContinent.Africa.length} countries in Africa`);
    // 59 countries in Africa

9. Get capital of Country

Country.capital('Saudi arabia');
 // Riyadh

10. Persistence :

  //-- save all countries  in file
  Country.persist('./countries.txt');
  //---------------
  // save & not override (append to existing file)
    Country.persist('./countries.txt',true);

Usefulness :

1. Find How many currencies in the World:

  var byCurrencies=Country.groupBy('currency');
  console.log(`The world uses ${Object.keys(byCurrencies).length} currencies`);

License :

  Copyright (c) 2016 Abdennour TOUMI <http://abdennoor.com>

  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:

  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  THE SOFTWARE.