The data folder in the root contains all the data of Countries, their States and Cities
The earlier large big JSONs are split into smaller JSONs and stored in separate files and folder
The advantage of doing so is to make it easy to check, test and submit the change. It's easier to review a small file than a large file. It's easier to debug any missing or wrong values in a small file.
This will help in future optimisation
There is a separate folder for each country
- Each Country folder contains Country's information and its states as sub-child folders
- The Country's info is also split into - Country Lite, Plain, Geo, TimeZone's.
- Inside each Country - there are Sub-folder of State
Each State folder contains State's information and its Cities as sub-child files
State's info is also split into - State Lite, Geo
Inside each State - there are JSON files of City
- Each City file contains information of all the Cities of that particular State
- Cities info is split into two files - City Lite, Geo

How to contribute to Country, State, City Database, request changes and report issue?

Code change - make the necessary change, raise the PR.
Data changes - Database is in data folder in the root.
Update: Add the necessary changes in the particular files with proper structure and format and then raise the PR.
Add New - Country, State, City - follow the proper folder structure and raise the P.R or simply share the JSONs in an issue with proper and up to date reference.
Deleting - Country, State, City - remove the necessary files/folder - update the necessary files and raise the PR or simply share the updated JSONs in an issue with a proper and up to date reference.
Queries/Issues related to wrong data must be provided with some references.
For any Geo-Political related queries, border conflicts - things will be updated when multiple proper references has been provided.

How Data will be Released finally?

After the changes gets merged, a script will be run to combine all the data in a separate but single file for each Country, State, City as we have earlier without affecting out library functions and only those three files are passed to the build code and then it gets released.
In future we will be working on how to use these split files to optimise this library further.

Usage

Release : `v3.0.0` (Major Version Release - Not backward compatible)

ES6 Module usage
```
// Latest version - v3.0.0 with Tree Shaking to reduce bundle size
import { Country, State, City }  from 'country-state-city';
console.log(Country.getAllCountries())
console.log(State.getAllStates())

// Import Interfaces`
import { ICountry, IState, ICity } from 'country-state-city'
```

AMD Module usage

// Latest version - v3.0.0
let Country = require('country-state-city').Country;
let State = require('country-state-city').State;

console.log(Country.getAllCountries())
console.log(State.getAllStates())

For versions `below v2.2.0 and above v0.1.8`

ES6 Module usage
```
import csc from 'country-state-city';
```

AMD Module usage

let csc = require('country-state-city').default;

Docs

Country.getCountryByCode(countryCode)

It accepts a valid CountryCode eg: 'AS' and returns Country Details

type: json | ICountry

{
	"isoCode": "IN",
	"name": "India",
	"phonecode": "91",
	"flag": "🇮🇳",
	"currency": "INR",
	"latitude": "20.00000000",
	"longitude": "77.00000000",
	"timezones": [
		{
			"zoneName": "Asia\/Kolkata",
			"gmtOffset": 19800,
			"gmtOffsetName": "UTC+05:30",
			"abbreviation": "IST",
			"tzName": "Indian Standard Time"
		}
	]
}

State.getStateByCodeAndCountry(stateCode, countryCode)

It accepts a valid StateCode eg: 'TG' CountryCode eg: 'IN' and returns State Details

type: json | ICountry

{
	"name": "Telangana",
	"isoCode": "TG",
	"countryCode": "IN",
	"latitude": "18.11243720",
	"longitude": "79.01929970"
}

State.getStatesOfCountry(countryCode)

It accepts a valid CountryCode and returns all States as Array of JSON

type: array of json | IState

[
	{
		"name": "Delhi",
		"isoCode": "DL",
		"countryCode": "IN",
		"latitude": "28.70405920",
		"longitude": "77.10249020"
	}
]

City.getCitiesOfState(countryCode, stateCode)

It accepts a valid CountryCode, StateCode and returns all Cities as Array of JSON

type: array of json | ICity

[
	{
		"name": "New Delhi",
		"countryCode": "IN",
		"stateCode": "DL",
		"latitude": "28.63576000",
		"longitude": "77.22445000"
	}
]

City.getCitiesOfCountry(countryCode)

It accepts a valid CountryCode and returns all Cities as Array of JSON

type: array of json | ICity

[
	{
		"name": "New Delhi",
		"countryCode": "IN",
		"stateCode": "DL",
		"latitude": "28.63576000",
		"longitude": "77.22445000"
	}
]

Country.getAllCountries

It returns all Countries

type: array of json | ICountry

[
	{
		"isoCode": "IN",
		"name": "India",
		"phonecode": "91",
		"flag": "🇮🇳",
		"currency": "INR",
		"latitude": "20.00000000",
		"longitude": "77.00000000",
		"timezones": [
			{
				"zoneName": "Asia\/Kolkata",
				"gmtOffset": 19800,
				"gmtOffsetName": "UTC+05:30",
				"abbreviation": "IST",
				"tzName": "Indian Standard Time"
			}
		]
	}
]

State.getAllStates

It returns all States

type: array of json | IState

[
	{
		"name": "Delhi",
		"isoCode": "DL",
		"countryCode": "IN",
		"latitude": "28.70405920",
		"longitude": "77.10249020"

	}
]

City.getAllCities

It returns all Cities

type: array of json | ICity

[
	{
		"name": "Delhi",
		"isoCode": "DL",
		"countryCode": "IN",
		"latitude": "28.70405920",
		"longitude": "77.10249020"
	}
]

Special Thanks

@baywet - For mentoring Javascript to Typescript Conversion

@dr5hn - For updated World Data Dictionary

taylorthurlow - For pointing into right direction - Module Tree Shaking

Keywords

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Package last updated on 13 Mar 2023

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country-state-city-translate