iso-3166-2.js

Lookup information about ISO-3166-2 subdivisions.

Country code format

The country codes in the data are in the ISO 3166-1 alpha 2 format (US, SE ...), but there is a conversion table that makes possible to input alpha 3 codes (USA, SWE ...) to the subdivision and country functions.

https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2 https://en.wikipedia.org/wiki/ISO_3166-1_alpha-3

Examples

> iso3166.subdivision("SE-O");

{ type: 'County',
  name: 'Västra Götalands län',
  countryName: 'Sweden',
  countryCode: 'SE',
  regionCode: 'O',
  code: 'SE-O' }

> iso3166.subdivision("SE", "O");

{ type: 'County',
  name: 'Västra Götalands län',
  countryName: 'Sweden',
  countryCode: 'SE',
  regionCode: 'O',
  code: 'SE-O' }

> iso3166.subdivision("USA", "Indiana");

{ type: 'state',
  name: 'Indiana',
  countryName: 'United States',
  countryCode: 'US',
  regionCode: 'IN',
  code: 'US-IN' }

Functions

iso3166.subdivision(code)

Retrieves a subdivision by its full code, ex "SE-O", "US-IN".

iso3166.subdivision(country code, subdivision code)

Retrieves a subdivision by its country code and subdivision code, ex ("SWE", "O").

iso3166.subdivision(country code, subdivision name)

Retrieves a subdivision by its country code and subdivision name, ex ("US", "Indiana").

iso3166.country(country code)

Retrieves a country by its code, ex "US", "SE", "SWE".

iso3166.data

The raw ISO 3166-2 data, the layout is:

{
  country code (alpha 2): {
    name: country name, ex Sweden, United States ...
    sub: {
      subdivision code: {
        type: subdivision type, ex county, divison ...
        name: subdivision name, ex Västra Götaland, Indiana
      }
    }
  }
}

iso3166.codes

The ISO 3166-1 alpha 3 to alpha 2 conversion table, the layout is:

{
  country code (alpha 3): country code (alpha 2)
}

Benchmarks

The filesize of the minified iso3166.js is 228Kb.

$ matcha -R plain
iso3166-2
  #country(alpha 2) .............................. 1,597,632 op/s
  #country(alpha 3) .............................. 1,220,571 op/s
  #subdivision(alpha 2, code) .................... 1,332,394 op/s
  #subdivision(alpha 3, code) .................... 1,325,290 op/s
  #subdivision(alpha 2, name) .................... 1,352,375 op/s
  #subdivision(alpha 3, name) .................... 1,211,155 op/s
  #subdivision(alpha 2-code) ..................... 1,387,228 op/s
  #subdivision(alpha 3-code) ..................... 1,358,836 op/s
  #subdivision(alpha 2-name) ..................... 697,610 op/s
  #subdivision(alpha 3-name) ..................... 677,438 op/s

Suites:  1
Benches: 10
Elapsed: 14,535.80 ms

UnityTech/iso-3166-2.js