diff --git a/.eslintrc.js b/.eslintrc.js
index da62299d..25a2bad1 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,7 +1,26 @@
-/* @flow */
-
 module.exports = {
-  extends: require.resolve(
-    "@krakenjs/grumbler-scripts/config/.eslintrc-browser"
-  ),
+  extends:
+    "./node_modules/@krakenjs/grumbler-scripts/config/.eslintrc-typescript.js",
+
+  globals: {
+    __TEST__: true,
+  },
+
+  rules: {
+    "no-mixed-operators": "off",
+    // off for initial ts conversion
+    "@typescript-eslint/no-implicit-any-catch": "off",
+    "@typescript-eslint/no-unsafe-call": "off",
+    "@typescript-eslint/explicit-function-return-type": "off",
+    "@typescript-eslint/no-unsafe-return": "off",
+    "@typescript-eslint/no-base-to-string": "off",
+    "@typescript-eslint/no-unsafe-argument": "off",
+    "@typescript-eslint/no-unsafe-member-access": "off",
+    "@typescript-eslint/no-unsafe-assignment": "off",
+    "@typescript-eslint/no-explicit-any": "off",
+    "@typescript-eslint/prefer-for-of": "off",
+
+    "@typescript-eslint/no-unsafe-call": "off",
+    "@typescript-eslint/no-unsafe-member-access": "off",
+  },
 };
diff --git a/.flowconfig b/.flowconfig
deleted file mode 100644
index fd4a46ef..00000000
--- a/.flowconfig
+++ /dev/null
@@ -1,15 +0,0 @@
-[ignore]
-.*/node_modules/babel-plugin-flow-runtime
-.*/node_modules/flow-runtime
-.*/node_modules/npm
-.*/node_modules/eslint-plugin-compat
-.*/node_modules/resolve
-.*/dist/module
-[include]
-node_modules/@krakenjs/grumbler-scripts/declarations.js
-[libs]
-flow-typed
-[options]
-module.name_mapper='^src\(.*\)$' -> '<PROJECT_ROOT>/src/\1'
-experimental.const_params=false
-esproposal.export_star_as=enable
diff --git a/babel.config.js b/babel.config.js
new file mode 100644
index 00000000..9bf8100b
--- /dev/null
+++ b/babel.config.js
@@ -0,0 +1,4 @@
+module.exports = {
+  extends: "@krakenjs/grumbler-scripts/config/.babelrc-browser",
+  presets: ["@krakenjs/grumbler-scripts/config/flow-ts-babel-preset"],
+};
diff --git a/babel.config.json b/babel.config.json
deleted file mode 100644
index c55c063b..00000000
--- a/babel.config.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "extends": "@krakenjs/grumbler-scripts/config/.babelrc-browser"
-}
diff --git a/index.js b/index.ts
similarity index 100%
rename from index.js
rename to index.ts
diff --git a/package.json b/package.json
index 3aaf8c2b..d98804ff 100644
--- a/package.json
+++ b/package.json
@@ -3,24 +3,26 @@
   "version": "1.0.124",
   "description": "Utilities.",
   "main": "index.js",
+  "module": "dist/esm/index.js",
+  "types": "dist/types/index.d.ts",
+  "sideEffects": [
+    "./src/styles/*.scss"
+  ],
   "scripts": {
-    "setup": "npm install && npm run flow-typed",
-    "lint": "eslint src/ *.js",
-    "flow-typed": "rm -rf ./flow-typed && flow-typed install",
-    "flow": "flow",
-    "karma": "cross-env NODE_ENV=test babel-node --plugins=transform-es2015-modules-commonjs ./node_modules/.bin/karma start",
-    "babel": "babel src/ --out-dir dist/module",
-    "webpack": "babel-node --plugins=transform-es2015-modules-commonjs ./node_modules/.bin/webpack --progress",
+    "build": "npm run babel && npm run webpack && npm run build:types",
+    "build:flow": "find ./dist -type f -not -path './node_modules/*' -name '*.d.ts' -exec sh -c 'flowgen --add-flow-header $1 -o ${1%.*.*}.js.flow' _ '{}' \\;",
+    "build:tsc": "tsc src/*.ts --outDir ./dist/esm --declaration --emitDeclarationOnly",
+    "build:types": "npm run build:tsc && npm run build:flow",
+    "webpack": "cross-env NODE_ENV=production babel-node --plugins=transform-es2015-modules-commonjs ./node_modules/.bin/webpack --progress --output-path dist",
+    "babel": "cross-env NODE_ENV=production babel src/ --out-dir ./dist/esm/ --extensions .ts,.tsx",
+    "tsc": "tsc",
     "format": "prettier --write --ignore-unknown .",
     "format:check": "prettier --check .",
-    "test": "npm run format:check && npm run lint && npm run flow-typed && npm run flow",
-    "build": "npm run test && npm run babel && npm run webpack",
-    "release": "./publish.sh",
-    "release:patch": "./publish.sh patch",
-    "release:minor": "./publish.sh minor",
-    "release:major": "./publish.sh major",
+    "lint": "eslint --ext ts,tsx,js,jsx src/",
     "clean": "rimraf dist coverage",
-    "reinstall": "rimraf flow-typed && rimraf node_modules && npm install && flow-typed install",
+    "prerelease": "npm run clean && npm run build && git add dist && git commit -m 'ci: check in dist folder' || echo 'Nothing to distribute'",
+    "release": "standard-version",
+    "postrelease": "git push && git push --follow-tags && npm publish",
     "debug": "cross-env NODE_ENV=debug",
     "prepare": "husky install"
   },
@@ -45,11 +47,21 @@
   "license": "Apache-2.0",
   "readmeFilename": "README.md",
   "devDependencies": {
-    "@krakenjs/grumbler-scripts": "^7.0.0",
-    "flow-bin": "0.129.0",
+    "@commitlint/cli": "^16.2.1",
+    "@commitlint/config-conventional": "^16.2.1",
+    "@krakenjs/grumbler-scripts": "^7.0.3",
+    "@types/webpack": "^5.28.0",
+    "@typescript-eslint/eslint-plugin": "^5.20.0",
+    "@typescript-eslint/parser": "^5.20.0",
+    "c8": "^7.11.0",
+    "flowgen": "^1.16.0",
+    "happy-dom": "^2.55.0",
     "husky": "^8.0.1",
     "lint-staged": "^13.0.3",
-    "prettier": "2.7.1"
+    "prettier": "2.7.1",
+    "standard-version": "^9.3.2",
+    "ts-node": "^10.5.0",
+    "typescript": "4.8.4"
   },
   "dependencies": {
     "hi-base32": "^0.5.0"
diff --git a/src/apm.js b/src/apm.ts
similarity index 96%
rename from src/apm.js
rename to src/apm.ts
index d6a08618..ef21e9c6 100644
--- a/src/apm.js
+++ b/src/apm.ts
@@ -1,7 +1,4 @@
-/* @flow */
-
 import { FUNDING } from "./funding";
-
 export const APM_LIST = [
   FUNDING.IDEAL,
   FUNDING.BANCONTACT,
diff --git a/src/defaults.js b/src/defaults.ts
similarity index 97%
rename from src/defaults.js
rename to src/defaults.ts
index 25c8b4fe..55944fac 100644
--- a/src/defaults.js
+++ b/src/defaults.ts
@@ -1,9 +1,6 @@
-/* @flow */
-
 import { COUNTRY } from "./locale";
 import { CURRENCY, INTENT, COMMIT, VAULT } from "./order";
 import { COMPONENTS, DEBUG } from "./params";
-
 export const DEFAULT_COUNTRY = COUNTRY.US;
 export const DEFAULT_CURRENCY = CURRENCY.USD;
 export const DEFAULT_INTENT = INTENT.CAPTURE;
diff --git a/src/env.js b/src/env.js
deleted file mode 100644
index e1487774..00000000
--- a/src/env.js
+++ /dev/null
@@ -1,14 +0,0 @@
-/* @flow */
-
-export const ENV = {
-  LOCAL: ("local": "local"),
-  STAGE: ("stage": "stage"),
-  SANDBOX: ("sandbox": "sandbox"),
-  PRODUCTION: ("production": "production"),
-  TEST: ("test": "test"),
-};
-
-export const MOBILE_ENV = {
-  ANDROID: ("android": "android"),
-  IOS: ("iOS": "iOS"),
-};
diff --git a/src/env.ts b/src/env.ts
new file mode 100644
index 00000000..1bf473b9
--- /dev/null
+++ b/src/env.ts
@@ -0,0 +1,11 @@
+export const ENV = {
+  LOCAL: "local" as const,
+  STAGE: "stage" as const,
+  SANDBOX: "sandbox" as const,
+  PRODUCTION: "production" as const,
+  TEST: "test" as const,
+};
+export const MOBILE_ENV = {
+  ANDROID: "android" as const,
+  IOS: "iOS" as const,
+};
diff --git a/src/error.js b/src/error.js
deleted file mode 100644
index 05f37307..00000000
--- a/src/error.js
+++ /dev/null
@@ -1,5 +0,0 @@
-/* @flow */
-
-export const ERROR_CODE = {
-  VALIDATION_ERROR: ("validation_error": "validation_error"),
-};
diff --git a/src/error.ts b/src/error.ts
new file mode 100644
index 00000000..c278b5ec
--- /dev/null
+++ b/src/error.ts
@@ -0,0 +1,3 @@
+export const ERROR_CODE = {
+  VALIDATION_ERROR: "validation_error" as const,
+};
diff --git a/src/fpti.js b/src/fpti.js
deleted file mode 100644
index fcf5f875..00000000
--- a/src/fpti.js
+++ /dev/null
@@ -1,88 +0,0 @@
-/* @flow */
-
-export const FPTI_KEY = {
-  FEED: ("feed_name": "feed_name"),
-  STATE: ("state_name": "state_name"),
-  EVENT_NAME: ("event_name": "event_name"),
-  TRANSITION: ("transition_name": "transition_name"),
-  PAGE: ("page_name": "page_name"),
-  BUTTON_TYPE: ("button_type": "button_type"),
-  SESSION_UID: ("page_session_id": "page_session_id"),
-  BUTTON_SESSION_UID: ("button_session_id": "button_session_id"),
-  TOKEN: ("token": "token"),
-  CONTEXT_ID: ("context_id": "context_id"),
-  CONTEXT_TYPE: ("context_type": "context_type"),
-  REFERER: ("referer_url": "referer_url"),
-  MERCHANT_DOMAIN: ("merchant_domain": "merchant_domain"),
-  PAY_ID: ("pay_id": "pay_id"),
-  SELLER_ID: ("seller_id": "seller_id"),
-  CLIENT_ID: ("client_id": "client_id"),
-  DATA_SOURCE: ("serverside_data_source": "serverside_data_source"),
-  BUTTON_SOURCE: ("button_source": "button_source"),
-  ERROR_CODE: ("ext_error_code": "ext_error_code"),
-  ERROR_DESC: ("ext_error_desc": "ext_error_desc"),
-  PAGE_LOAD_TIME: ("page_load_time": "page_load_time"),
-  EXPERIMENT_NAME: ("pxp_exp_id": "pxp_exp_id"),
-  TREATMENT_NAME: ("pxp_trtmnt_id": "pxp_trtmnt_id"),
-  TRANSITION_TIME: ("transition_time": "transition_time"),
-  FUNDING_LIST: ("eligible_payment_methods": "eligible_payment_methods"),
-  FUNDING_COUNT: ("eligible_payment_count": "eligible_payment_count"),
-  CHOSEN_FUNDING: ("selected_payment_method": "selected_payment_method"),
-  BUTTON_LAYOUT: ("button_layout": "button_layout"),
-  VERSION: ("checkoutjs_version": "checkoutjs_version"),
-  LOCALE: ("locale": "locale"),
-  BUYER_COUNTRY: ("buyer_cntry": "buyer_cntry"),
-  INTEGRATION_IDENTIFIER: ("integration_identifier": "integration_identifier"),
-  PARTNER_ATTRIBUTION_ID: ("bn_code": "bn_code"),
-  PAGE_TYPE: ("pp_placement": "pp_placement"),
-  SDK_NAME: ("sdk_name": "sdk_name"),
-  SDK_VERSION: ("sdk_version": "sdk_version"),
-  SDK_ENVIRONMENT: ("sdk_environment": "sdk_environment"),
-  MOBILE_APP_VERSION: ("mobile_app_version": "mobile_app_version"),
-  MOBILE_BUNDLE_IDENTIFIER: ("mapv": "mapv"),
-  USER_AGENT: ("user_agent": "user_agent"),
-  USER_ACTION: ("user_action": "user_action"),
-  CONTEXT_CORRID: ("context_correlation_id": "context_correlation_id"),
-  SDK_CACHE: ("sdk_cache": "sdk_cache"),
-  SDK_LOAD_TIME: ("sdk_load_time": "sdk_load_time"),
-  IS_VAULT: ("is_vault": "is_vault"),
-  DISABLE_FUNDING: ("disable_funding": "disable_funding"),
-  DISABLE_CARD: ("disable_card": "disable_card"),
-  RESPONSE_DURATION: ("response_duration": "response_duration"),
-  SDK_INTEGRATION_SOURCE: ("sdk_integration_source": "sdk_integration_source"),
-  PAYMENT_FLOW: ("payment_flow": "payment_flow"),
-  BUTTON_VERSION: ("button_version": "button_version"),
-  FI_LIST: ("fi_list": "fi_list"),
-  CHOSEN_FI_TYPE: ("chosen_fi_type": "chosen_fi_type"),
-  SELECTED_FI:
-    ("merchant_selected_funding_source": "merchant_selected_funding_source"),
-  POTENTIAL_PAYMENT_METHODS:
-    ("potential_payment_methods": "potential_payment_methods"),
-  PAY_NOW: ("pay_now": "pay_now"),
-  STICKINESS_ID: ("stickiness_id": "stickiness_id"),
-  TIMESTAMP: ("t": "t"),
-  OPTION_SELECTED: ("optsel": "optsel"),
-  USER_IDENTITY_METHOD: ("user_identity_method": "user_identity_method"),
-  FIELDS_COMPONENT_SESSION_ID:
-    ("fields_component_session_id": "fields_component_session_id"),
-  CPL_COMP_METRICS: ("cpl_comp_metrics": "cpl_comp_metrics"),
-  CPL_CHUNK_METRICS: ("cpl_chunk_metrics": "cpl_chunk_metrics"),
-  CPL_QUERY_METRICS: ("cpl_query_metrics": "cpl_query_metrics"),
-};
-
-export const FPTI_USER_ACTION = {
-  COMMIT: ("commit": "commit"),
-  CONTINUE: ("continue": "continue"),
-};
-
-export const FPTI_DATA_SOURCE = {
-  PAYMENTS_SDK: ("checkout": "checkout"),
-};
-
-export const FPTI_FEED = {
-  PAYMENTS_SDK: ("payments_sdk": "payments_sdk"),
-};
-
-export const FPTI_SDK_NAME = {
-  PAYMENTS_SDK: ("payments_sdk": "payments_sdk"),
-};
diff --git a/src/fpti.ts b/src/fpti.ts
new file mode 100644
index 00000000..65d70520
--- /dev/null
+++ b/src/fpti.ts
@@ -0,0 +1,79 @@
+export const FPTI_KEY = {
+  FEED: "feed_name" as const,
+  STATE: "state_name" as const,
+  EVENT_NAME: "event_name" as const,
+  TRANSITION: "transition_name" as const,
+  PAGE: "page_name" as const,
+  BUTTON_TYPE: "button_type" as const,
+  SESSION_UID: "page_session_id" as const,
+  BUTTON_SESSION_UID: "button_session_id" as const,
+  TOKEN: "token" as const,
+  CONTEXT_ID: "context_id" as const,
+  CONTEXT_TYPE: "context_type" as const,
+  REFERER: "referer_url" as const,
+  MERCHANT_DOMAIN: "merchant_domain" as const,
+  PAY_ID: "pay_id" as const,
+  SELLER_ID: "seller_id" as const,
+  CLIENT_ID: "client_id" as const,
+  DATA_SOURCE: "serverside_data_source" as const,
+  BUTTON_SOURCE: "button_source" as const,
+  ERROR_CODE: "ext_error_code" as const,
+  ERROR_DESC: "ext_error_desc" as const,
+  PAGE_LOAD_TIME: "page_load_time" as const,
+  EXPERIMENT_NAME: "pxp_exp_id" as const,
+  TREATMENT_NAME: "pxp_trtmnt_id" as const,
+  TRANSITION_TIME: "transition_time" as const,
+  FUNDING_LIST: "eligible_payment_methods" as const,
+  FUNDING_COUNT: "eligible_payment_count" as const,
+  CHOSEN_FUNDING: "selected_payment_method" as const,
+  BUTTON_LAYOUT: "button_layout" as const,
+  VERSION: "checkoutjs_version" as const,
+  LOCALE: "locale" as const,
+  BUYER_COUNTRY: "buyer_cntry" as const,
+  INTEGRATION_IDENTIFIER: "integration_identifier" as const,
+  PARTNER_ATTRIBUTION_ID: "bn_code" as const,
+  PAGE_TYPE: "pp_placement" as const,
+  SDK_NAME: "sdk_name" as const,
+  SDK_VERSION: "sdk_version" as const,
+  SDK_ENVIRONMENT: "sdk_environment" as const,
+  MOBILE_APP_VERSION: "mobile_app_version" as const,
+  MOBILE_BUNDLE_IDENTIFIER: "mapv" as const,
+  USER_AGENT: "user_agent" as const,
+  USER_ACTION: "user_action" as const,
+  CONTEXT_CORRID: "context_correlation_id" as const,
+  SDK_CACHE: "sdk_cache" as const,
+  SDK_LOAD_TIME: "sdk_load_time" as const,
+  IS_VAULT: "is_vault" as const,
+  DISABLE_FUNDING: "disable_funding" as const,
+  DISABLE_CARD: "disable_card" as const,
+  RESPONSE_DURATION: "response_duration" as const,
+  SDK_INTEGRATION_SOURCE: "sdk_integration_source" as const,
+  PAYMENT_FLOW: "payment_flow" as const,
+  BUTTON_VERSION: "button_version" as const,
+  FI_LIST: "fi_list" as const,
+  CHOSEN_FI_TYPE: "chosen_fi_type" as const,
+  SELECTED_FI: "merchant_selected_funding_source" as const,
+  POTENTIAL_PAYMENT_METHODS: "potential_payment_methods" as const,
+  PAY_NOW: "pay_now" as const,
+  STICKINESS_ID: "stickiness_id" as const,
+  TIMESTAMP: "t" as const,
+  OPTION_SELECTED: "optsel" as const,
+  USER_IDENTITY_METHOD: "user_identity_method" as const,
+  FIELDS_COMPONENT_SESSION_ID: "fields_component_session_id" as const,
+  CPL_COMP_METRICS: "cpl_comp_metrics" as const,
+  CPL_CHUNK_METRICS: "cpl_chunk_metrics" as const,
+  CPL_QUERY_METRICS: "cpl_query_metrics" as const,
+};
+export const FPTI_USER_ACTION = {
+  COMMIT: "commit" as const,
+  CONTINUE: "continue" as const,
+};
+export const FPTI_DATA_SOURCE = {
+  PAYMENTS_SDK: "checkout" as const,
+};
+export const FPTI_FEED = {
+  PAYMENTS_SDK: "payments_sdk" as const,
+};
+export const FPTI_SDK_NAME = {
+  PAYMENTS_SDK: "payments_sdk" as const,
+};
diff --git a/src/funding.js b/src/funding.js
deleted file mode 100644
index 8cc0ac47..00000000
--- a/src/funding.js
+++ /dev/null
@@ -1,61 +0,0 @@
-/* @flow */
-
-export const FUNDING = {
-  PAYPAL: ("paypal": "paypal"),
-  VENMO: ("venmo": "venmo"),
-  APPLEPAY: ("applepay": "applepay"),
-  ITAU: ("itau": "itau"),
-  CREDIT: ("credit": "credit"),
-  PAYLATER: ("paylater": "paylater"),
-  CARD: ("card": "card"),
-  IDEAL: ("ideal": "ideal"),
-  SEPA: ("sepa": "sepa"),
-  BANCONTACT: ("bancontact": "bancontact"),
-  GIROPAY: ("giropay": "giropay"),
-  SOFORT: ("sofort": "sofort"),
-  EPS: ("eps": "eps"),
-  MYBANK: ("mybank": "mybank"),
-  P24: ("p24": "p24"),
-  VERKKOPANKKI: ("verkkopankki": "verkkopankki"),
-  PAYU: ("payu": "payu"),
-  BLIK: ("blik": "blik"),
-  TRUSTLY: ("trustly": "trustly"),
-  ZIMPLER: ("zimpler": "zimpler"),
-  MAXIMA: ("maxima": "maxima"),
-  OXXO: ("oxxo": "oxxo"),
-  BOLETO: ("boleto": "boleto"),
-  BOLETOBANCARIO: ("boletobancario": "boletobancario"),
-  WECHATPAY: ("wechatpay": "wechatpay"),
-  MERCADOPAGO: ("mercadopago": "mercadopago"),
-  MULTIBANCO: ("multibanco": "multibanco"),
-};
-
-export const FUNDING_BRAND_LABEL = {
-  PAYPAL: ("PayPal": "PayPal"),
-  CREDIT: ("PayPal Credit": "PayPal Credit"),
-};
-
-export const CARD = {
-  VISA: ("visa": "visa"),
-  MASTERCARD: ("mastercard": "mastercard"),
-  AMEX: ("amex": "amex"),
-  DISCOVER: ("discover": "discover"),
-  HIPER: ("hiper": "hiper"),
-  ELO: ("elo": "elo"),
-  JCB: ("jcb": "jcb"),
-  CUP: ("cup": "cup"),
-};
-
-export const WALLET_INSTRUMENT = {
-  BALANCE: ("balance": "balance"),
-  CARD: ("card": "card"),
-  BANK: ("bank": "bank"),
-  CREDIT: ("credit": "credit"),
-};
-
-export const FUNDING_PRODUCTS = {
-  PAY_IN_3: ("payIn3": "payIn3"),
-  PAY_IN_4: ("payIn4": "payIn4"),
-  PAYLATER: ("paylater": "paylater"),
-  CREDIT: ("credit": "credit"),
-};
diff --git a/src/funding.ts b/src/funding.ts
new file mode 100644
index 00000000..2d928212
--- /dev/null
+++ b/src/funding.ts
@@ -0,0 +1,55 @@
+export const FUNDING = {
+  PAYPAL: "paypal" as const,
+  VENMO: "venmo" as const,
+  APPLEPAY: "applepay" as const,
+  ITAU: "itau" as const,
+  CREDIT: "credit" as const,
+  PAYLATER: "paylater" as const,
+  CARD: "card" as const,
+  IDEAL: "ideal" as const,
+  SEPA: "sepa" as const,
+  BANCONTACT: "bancontact" as const,
+  GIROPAY: "giropay" as const,
+  SOFORT: "sofort" as const,
+  EPS: "eps" as const,
+  MYBANK: "mybank" as const,
+  P24: "p24" as const,
+  VERKKOPANKKI: "verkkopankki" as const,
+  PAYU: "payu" as const,
+  BLIK: "blik" as const,
+  TRUSTLY: "trustly" as const,
+  ZIMPLER: "zimpler" as const,
+  MAXIMA: "maxima" as const,
+  OXXO: "oxxo" as const,
+  BOLETO: "boleto" as const,
+  BOLETOBANCARIO: "boletobancario" as const,
+  WECHATPAY: "wechatpay" as const,
+  MERCADOPAGO: "mercadopago" as const,
+  MULTIBANCO: "multibanco" as const,
+};
+export const FUNDING_BRAND_LABEL = {
+  PAYPAL: "PayPal" as const,
+  CREDIT: "PayPal Credit" as const,
+};
+export const CARD = {
+  VISA: "visa" as const,
+  MASTERCARD: "mastercard" as const,
+  AMEX: "amex" as const,
+  DISCOVER: "discover" as const,
+  HIPER: "hiper" as const,
+  ELO: "elo" as const,
+  JCB: "jcb" as const,
+  CUP: "cup" as const,
+};
+export const WALLET_INSTRUMENT = {
+  BALANCE: "balance" as const,
+  CARD: "card" as const,
+  BANK: "bank" as const,
+  CREDIT: "credit" as const,
+};
+export const FUNDING_PRODUCTS = {
+  PAY_IN_3: "payIn3" as const,
+  PAY_IN_4: "payIn4" as const,
+  PAYLATER: "paylater" as const,
+  CREDIT: "credit" as const,
+};
diff --git a/src/index.js b/src/index.ts
similarity index 95%
rename from src/index.js
rename to src/index.ts
index a8f31cef..4748a5f2 100644
--- a/src/index.js
+++ b/src/index.ts
@@ -1,5 +1,3 @@
-/* @flow */
-
 export * from "./defaults";
 export * from "./env";
 export * from "./error";
diff --git a/src/locale.js b/src/locale.js
deleted file mode 100644
index 2fd44f31..00000000
--- a/src/locale.js
+++ /dev/null
@@ -1,669 +0,0 @@
-/* @flow */
-/* eslint max-lines: 0 */
-
-export const COUNTRY = {
-  AD: ("AD": "AD"),
-  AE: ("AE": "AE"),
-  AG: ("AG": "AG"),
-  AI: ("AI": "AI"),
-  AL: ("AL": "AL"),
-  AM: ("AM": "AM"),
-  AN: ("AN": "AN"),
-  AO: ("AO": "AO"),
-  AR: ("AR": "AR"),
-  AT: ("AT": "AT"),
-  AU: ("AU": "AU"),
-  AW: ("AW": "AW"),
-  AZ: ("AZ": "AZ"),
-  BA: ("BA": "BA"),
-  BB: ("BB": "BB"),
-  BE: ("BE": "BE"),
-  BF: ("BF": "BF"),
-  BG: ("BG": "BG"),
-  BH: ("BH": "BH"),
-  BI: ("BI": "BI"),
-  BJ: ("BJ": "BJ"),
-  BM: ("BM": "BM"),
-  BN: ("BN": "BN"),
-  BO: ("BO": "BO"),
-  BR: ("BR": "BR"),
-  BS: ("BS": "BS"),
-  BT: ("BT": "BT"),
-  BW: ("BW": "BW"),
-  BY: ("BY": "BY"),
-  BZ: ("BZ": "BZ"),
-  CA: ("CA": "CA"),
-  CD: ("CD": "CD"),
-  CG: ("CG": "CG"),
-  CH: ("CH": "CH"),
-  CI: ("CI": "CI"),
-  CK: ("CK": "CK"),
-  CL: ("CL": "CL"),
-  CM: ("CM": "CM"),
-  CN: ("CN": "CN"),
-  CO: ("CO": "CO"),
-  CR: ("CR": "CR"),
-  CV: ("CV": "CV"),
-  CY: ("CY": "CY"),
-  CZ: ("CZ": "CZ"),
-  DE: ("DE": "DE"),
-  DJ: ("DJ": "DJ"),
-  DK: ("DK": "DK"),
-  DM: ("DM": "DM"),
-  DO: ("DO": "DO"),
-  DZ: ("DZ": "DZ"),
-  EC: ("EC": "EC"),
-  EE: ("EE": "EE"),
-  EG: ("EG": "EG"),
-  ER: ("ER": "ER"),
-  ES: ("ES": "ES"),
-  ET: ("ET": "ET"),
-  FI: ("FI": "FI"),
-  FJ: ("FJ": "FJ"),
-  FK: ("FK": "FK"),
-  FM: ("FM": "FM"),
-  FO: ("FO": "FO"),
-  FR: ("FR": "FR"),
-  GA: ("GA": "GA"),
-  GB: ("GB": "GB"),
-  GD: ("GD": "GD"),
-  GE: ("GE": "GE"),
-  GF: ("GF": "GF"),
-  GI: ("GI": "GI"),
-  GL: ("GL": "GL"),
-  GM: ("GM": "GM"),
-  GN: ("GN": "GN"),
-  GP: ("GP": "GP"),
-  GR: ("GR": "GR"),
-  GT: ("GT": "GT"),
-  GW: ("GW": "GW"),
-  GY: ("GY": "GY"),
-  HK: ("HK": "HK"),
-  HN: ("HN": "HN"),
-  HR: ("HR": "HR"),
-  HU: ("HU": "HU"),
-  ID: ("ID": "ID"),
-  IE: ("IE": "IE"),
-  IL: ("IL": "IL"),
-  IN: ("IN": "IN"),
-  IS: ("IS": "IS"),
-  IT: ("IT": "IT"),
-  JM: ("JM": "JM"),
-  JO: ("JO": "JO"),
-  JP: ("JP": "JP"),
-  KE: ("KE": "KE"),
-  KG: ("KG": "KG"),
-  KH: ("KH": "KH"),
-  KI: ("KI": "KI"),
-  KM: ("KM": "KM"),
-  KN: ("KN": "KN"),
-  KR: ("KR": "KR"),
-  KW: ("KW": "KW"),
-  KY: ("KY": "KY"),
-  KZ: ("KZ": "KZ"),
-  LA: ("LA": "LA"),
-  LC: ("LC": "LC"),
-  LI: ("LI": "LI"),
-  LK: ("LK": "LK"),
-  LS: ("LS": "LS"),
-  LT: ("LT": "LT"),
-  LU: ("LU": "LU"),
-  LV: ("LV": "LV"),
-  MA: ("MA": "MA"),
-  MC: ("MC": "MC"),
-  MD: ("MD": "MD"),
-  ME: ("ME": "ME"),
-  MG: ("MG": "MG"),
-  MH: ("MH": "MH"),
-  MK: ("MK": "MK"),
-  ML: ("ML": "ML"),
-  MN: ("MN": "MN"),
-  MQ: ("MQ": "MQ"),
-  MR: ("MR": "MR"),
-  MS: ("MS": "MS"),
-  MT: ("MT": "MT"),
-  MU: ("MU": "MU"),
-  MV: ("MV": "MV"),
-  MW: ("MW": "MW"),
-  MX: ("MX": "MX"),
-  MY: ("MY": "MY"),
-  MZ: ("MZ": "MZ"),
-  NA: ("NA": "NA"),
-  NC: ("NC": "NC"),
-  NE: ("NE": "NE"),
-  NF: ("NF": "NF"),
-  NG: ("NG": "NG"),
-  NI: ("NI": "NI"),
-  NL: ("NL": "NL"),
-  NO: ("NO": "NO"),
-  NP: ("NP": "NP"),
-  NR: ("NR": "NR"),
-  NU: ("NU": "NU"),
-  NZ: ("NZ": "NZ"),
-  OM: ("OM": "OM"),
-  PA: ("PA": "PA"),
-  PE: ("PE": "PE"),
-  PF: ("PF": "PF"),
-  PG: ("PG": "PG"),
-  PH: ("PH": "PH"),
-  PL: ("PL": "PL"),
-  PM: ("PM": "PM"),
-  PN: ("PN": "PN"),
-  PT: ("PT": "PT"),
-  PW: ("PW": "PW"),
-  PY: ("PY": "PY"),
-  QA: ("QA": "QA"),
-  RE: ("RE": "RE"),
-  RO: ("RO": "RO"),
-  RS: ("RS": "RS"),
-  RU: ("RU": "RU"),
-  RW: ("RW": "RW"),
-  SA: ("SA": "SA"),
-  SB: ("SB": "SB"),
-  SC: ("SC": "SC"),
-  SE: ("SE": "SE"),
-  SG: ("SG": "SG"),
-  SH: ("SH": "SH"),
-  SI: ("SI": "SI"),
-  SJ: ("SJ": "SJ"),
-  SK: ("SK": "SK"),
-  SL: ("SL": "SL"),
-  SM: ("SM": "SM"),
-  SN: ("SN": "SN"),
-  SO: ("SO": "SO"),
-  SR: ("SR": "SR"),
-  ST: ("ST": "ST"),
-  SV: ("SV": "SV"),
-  SZ: ("SZ": "SZ"),
-  TC: ("TC": "TC"),
-  TD: ("TD": "TD"),
-  TG: ("TG": "TG"),
-  TH: ("TH": "TH"),
-  TJ: ("TJ": "TJ"),
-  TM: ("TM": "TM"),
-  TN: ("TN": "TN"),
-  TO: ("TO": "TO"),
-  TR: ("TR": "TR"),
-  TT: ("TT": "TT"),
-  TV: ("TV": "TV"),
-  TW: ("TW": "TW"),
-  TZ: ("TZ": "TZ"),
-  UA: ("UA": "UA"),
-  UG: ("UG": "UG"),
-  US: ("US": "US"),
-  UY: ("UY": "UY"),
-  VA: ("VA": "VA"),
-  VC: ("VC": "VC"),
-  VE: ("VE": "VE"),
-  VG: ("VG": "VG"),
-  VN: ("VN": "VN"),
-  VU: ("VU": "VU"),
-  WF: ("WF": "WF"),
-  WS: ("WS": "WS"),
-  YE: ("YE": "YE"),
-  YT: ("YT": "YT"),
-  ZA: ("ZA": "ZA"),
-  ZM: ("ZM": "ZM"),
-  ZW: ("ZW": "ZW"),
-};
-
-export const LANG = {
-  AR: ("ar": "ar"),
-  BG: ("bg": "bg"),
-  CS: ("cs": "cs"),
-  DA: ("da": "da"),
-  DE: ("de": "de"),
-  EL: ("el": "el"),
-  EN: ("en": "en"),
-  ES: ("es": "es"),
-  ET: ("et": "et"),
-  FI: ("fi": "fi"),
-  FR: ("fr": "fr"),
-  HE: ("he": "he"),
-  HU: ("hu": "hu"),
-  ID: ("id": "id"),
-  IT: ("it": "it"),
-  JA: ("ja": "ja"),
-  KO: ("ko": "ko"),
-  LT: ("lt": "lt"),
-  LV: ("lv": "lv"),
-  MS: ("ms": "ms"),
-  NL: ("nl": "nl"),
-  NO: ("no": "no"),
-  PL: ("pl": "pl"),
-  PT: ("pt": "pt"),
-  RO: ("ro": "ro"),
-  RU: ("ru": "ru"),
-  SI: ("si": "si"),
-  SK: ("sk": "sk"),
-  SL: ("sl": "sl"),
-  SQ: ("sq": "sq"),
-  SV: ("sv": "sv"),
-  TH: ("th": "th"),
-  TL: ("tl": "tl"),
-  TR: ("tr": "tr"),
-  VI: ("vi": "vi"),
-  ZH: ("zh": "zh"),
-  ZH_HANT: ("zh_Hant": "zh_Hant"),
-};
-
-export type CountryLangs = {|
-  AD: "en" | "fr" | "es" | "zh",
-  AE: "en" | "fr" | "es" | "zh" | "ar",
-  AG: "en" | "fr" | "es" | "zh",
-  AI: "en" | "fr" | "es" | "zh",
-  AL: "sq" | "en",
-  AM: "en" | "fr" | "es" | "zh",
-  AN: "en" | "fr" | "es" | "zh",
-  AO: "en" | "fr" | "es" | "zh",
-  AR: "es" | "en",
-  AT: "de" | "en",
-  AU: "en",
-  AW: "en" | "fr" | "es" | "zh",
-  AZ: "en" | "fr" | "es" | "zh",
-  BA: "en",
-  BB: "en" | "fr" | "es" | "zh",
-  BE: "en" | "nl" | "fr",
-  BF: "fr" | "en" | "es" | "zh",
-  BG: "bg" | "en",
-  BH: "ar" | "en" | "fr" | "es" | "zh",
-  BI: "fr" | "en" | "es" | "zh",
-  BJ: "fr" | "en" | "es" | "zh",
-  BM: "en" | "fr" | "es" | "zh",
-  BN: "ms" | "en",
-  BO: "es" | "en" | "fr" | "zh",
-  BR: "pt" | "en",
-  BS: "en" | "fr" | "es" | "zh",
-  BT: "en",
-  BW: "en" | "fr" | "es" | "zh",
-  BY: "en",
-  BZ: "en" | "es" | "fr" | "zh",
-  CA: "en" | "fr",
-  CD: "fr" | "en" | "es" | "zh",
-  CG: "en" | "fr" | "es" | "zh",
-  CH: "de" | "fr" | "en",
-  CI: "fr" | "en",
-  CK: "en" | "fr" | "es" | "zh",
-  CL: "es" | "en" | "fr" | "zh",
-  CM: "fr" | "en",
-  CN: "zh",
-  CO: "es" | "en" | "fr" | "zh",
-  CR: "es" | "en" | "fr" | "zh",
-  CV: "en" | "fr" | "es" | "zh",
-  CY: "en",
-  CZ: "cs" | "en",
-  DE: "de" | "en",
-  DJ: "fr" | "en" | "es" | "zh",
-  DK: "da" | "en",
-  DM: "en" | "fr" | "es" | "zh",
-  DO: "es" | "en" | "fr" | "zh",
-  DZ: "ar" | "en" | "fr" | "es" | "zh",
-  EC: "es" | "en" | "fr" | "zh",
-  EE: "et" | "en" | "ru",
-  EG: "ar" | "en" | "fr" | "es" | "zh",
-  ER: "en" | "fr" | "es" | "zh",
-  ES: "es" | "en",
-  ET: "en" | "fr" | "es" | "zh",
-  FI: "fi" | "en",
-  FJ: "en" | "fr" | "es" | "zh",
-  FK: "en" | "fr" | "es" | "zh",
-  FM: "en",
-  FO: "da" | "en" | "fr" | "es" | "zh",
-  FR: "fr" | "en",
-  GA: "fr" | "en" | "es" | "zh",
-  GB: "en",
-  GD: "en" | "fr" | "es" | "zh",
-  GE: "en" | "fr" | "es" | "zh",
-  GF: "en" | "fr" | "es" | "zh",
-  GI: "en" | "fr" | "es" | "zh",
-  GL: "da" | "en" | "fr" | "es" | "zh",
-  GM: "en" | "fr" | "es" | "zh",
-  GN: "fr" | "en" | "es" | "zh",
-  GP: "en" | "fr" | "es" | "zh",
-  GR: "el" | "en",
-  GT: "es" | "en" | "fr" | "zh",
-  GW: "en" | "fr" | "es" | "zh",
-  GY: "en" | "fr" | "es" | "zh",
-  HK: "en" | "zh_Hant",
-  HN: "es" | "en" | "fr" | "zh",
-  HR: "en",
-  HU: "hu" | "en",
-  ID: "id" | "en",
-  IE: "en" | "fr" | "es" | "zh",
-  IL: "he" | "en",
-  IN: "en",
-  IS: "en",
-  IT: "it" | "en",
-  JM: "en" | "es" | "fr" | "zh",
-  JO: "ar" | "en" | "fr" | "es" | "zh",
-  JP: "ja" | "en",
-  KE: "en" | "fr" | "es" | "zh",
-  KG: "en" | "fr" | "es" | "zh",
-  KH: "en",
-  KI: "en" | "fr" | "es" | "zh",
-  KM: "fr" | "en" | "es" | "zh",
-  KN: "en" | "fr" | "es" | "zh",
-  KR: "ko" | "en",
-  KW: "ar" | "en" | "fr" | "es" | "zh",
-  KY: "en" | "fr" | "es" | "zh",
-  KZ: "en" | "fr" | "es" | "zh",
-  LA: "en",
-  LC: "en" | "fr" | "es" | "zh",
-  LI: "en" | "fr" | "es" | "zh",
-  LK: "si" | "en",
-  LS: "en" | "fr" | "es" | "zh",
-  LT: "lt" | "en" | "ru" | "zh",
-  LU: "en" | "de" | "fr" | "es" | "zh",
-  LV: "lv" | "en" | "ru",
-  MA: "ar" | "en" | "fr" | "es" | "zh",
-  MC: "fr" | "en",
-  MD: "en",
-  ME: "en",
-  MG: "en" | "fr" | "es" | "zh",
-  MH: "en" | "fr" | "es" | "zh",
-  MK: "en",
-  ML: "fr" | "en" | "es" | "zh",
-  MN: "en",
-  MQ: "en" | "fr" | "es" | "zh",
-  MR: "en" | "fr" | "es" | "zh",
-  MS: "en" | "fr" | "es" | "zh",
-  MT: "en",
-  MU: "en" | "fr" | "es" | "zh",
-  MV: "en",
-  MW: "en" | "fr" | "es" | "zh",
-  MX: "es" | "en",
-  MY: "ms" | "en",
-  MZ: "en" | "fr" | "es" | "zh",
-  NA: "en" | "fr" | "es" | "zh",
-  NC: "en" | "fr" | "es" | "zh",
-  NE: "fr" | "en" | "es" | "zh",
-  NF: "en" | "fr" | "es" | "zh",
-  NG: "en",
-  NI: "es" | "en" | "fr" | "zh",
-  NL: "nl" | "en",
-  NO: "no" | "en",
-  NP: "en",
-  NR: "en" | "fr" | "es" | "zh",
-  NU: "en" | "fr" | "es" | "zh",
-  NZ: "en" | "fr" | "es" | "zh",
-  OM: "ar" | "en" | "fr" | "es" | "zh",
-  PA: "es" | "en" | "fr" | "zh",
-  PE: "es" | "en" | "fr" | "zh",
-  PF: "en" | "fr" | "es" | "zh",
-  PG: "en" | "fr" | "es" | "zh",
-  PH: "tl" | "en",
-  PL: "pl" | "en",
-  PM: "en" | "fr" | "es" | "zh",
-  PN: "en" | "fr" | "es" | "zh",
-  PT: "pt" | "en",
-  PW: "en" | "fr" | "es" | "zh",
-  PY: "es" | "en",
-  QA: "en" | "fr" | "es" | "zh" | "ar",
-  RE: "en" | "fr" | "es" | "zh",
-  RO: "ro" | "en",
-  RS: "en" | "fr" | "es" | "zh",
-  RU: "ru" | "en",
-  RW: "fr" | "en" | "es" | "zh",
-  SA: "ar" | "en" | "fr" | "es" | "zh",
-  SB: "en" | "fr" | "es" | "zh",
-  SC: "fr" | "en" | "es" | "zh",
-  SE: "sv" | "en",
-  SG: "en",
-  SH: "en" | "fr" | "es" | "zh",
-  SI: "sl" | "en",
-  SJ: "en" | "fr" | "es" | "zh",
-  SK: "sk" | "en",
-  SL: "en" | "fr" | "es" | "zh",
-  SM: "en" | "fr" | "es" | "zh",
-  SN: "fr" | "en" | "es" | "zh",
-  SO: "en" | "fr" | "es" | "zh",
-  SR: "en" | "fr" | "es" | "zh",
-  ST: "en" | "fr" | "es" | "zh",
-  SV: "es" | "en" | "fr" | "zh",
-  SZ: "en" | "fr" | "es" | "zh",
-  TC: "en" | "fr" | "es" | "zh",
-  TD: "fr" | "en" | "es" | "zh",
-  TG: "fr" | "en" | "es" | "zh",
-  TH: "th" | "en",
-  TJ: "en" | "fr" | "es" | "zh",
-  TM: "en" | "fr" | "es" | "zh",
-  TN: "ar" | "en" | "fr" | "es" | "zh",
-  TO: "en",
-  TR: "tr" | "en",
-  TT: "en" | "fr" | "es" | "zh",
-  TV: "en" | "fr" | "es" | "zh",
-  TW: "zh_Hant" | "en",
-  TZ: "en" | "fr" | "es" | "zh",
-  UA: "en" | "ru" | "fr" | "es" | "zh",
-  UG: "en" | "fr" | "es" | "zh",
-  US: "en" | "fr" | "es" | "zh",
-  UY: "es" | "en" | "fr" | "zh",
-  VA: "en" | "fr" | "es" | "zh",
-  VC: "en" | "fr" | "es" | "zh",
-  VE: "es" | "en" | "fr" | "zh",
-  VG: "en" | "fr" | "es" | "zh",
-  VN: "vi" | "en",
-  VU: "en" | "fr" | "es" | "zh",
-  WF: "en" | "fr" | "es" | "zh",
-  WS: "en",
-  YE: "ar" | "en" | "fr" | "es" | "zh",
-  YT: "en" | "fr" | "es" | "zh",
-  ZA: "en" | "fr" | "es" | "zh",
-  ZM: "en" | "fr" | "es" | "zh",
-  ZW: "en",
-|};
-
-type CountryMap = {
-  [$Values<typeof COUNTRY>]: $ReadOnlyArray<$Values<typeof LANG>>,
-};
-
-export const COUNTRY_LANGS: CountryMap = {
-  AD: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  AE: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH, LANG.AR],
-  AG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  AI: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  AL: [LANG.SQ, LANG.EN],
-  AM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  AN: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  AO: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  AR: [LANG.ES, LANG.EN],
-  AT: [LANG.DE, LANG.EN],
-  AU: [LANG.EN],
-  AW: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  AZ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  BA: [LANG.EN],
-  BB: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  BE: [LANG.EN, LANG.NL, LANG.FR],
-  BF: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  BG: [LANG.BG, LANG.EN],
-  BH: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  BI: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  BJ: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  BM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  BN: [LANG.MS, LANG.EN],
-  BO: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  BR: [LANG.PT, LANG.EN],
-  BS: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  BT: [LANG.EN],
-  BW: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  BY: [LANG.EN],
-  BZ: [LANG.EN, LANG.ES, LANG.FR, LANG.ZH],
-  CA: [LANG.EN, LANG.FR],
-  CD: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  CG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  CH: [LANG.DE, LANG.FR, LANG.EN],
-  CI: [LANG.FR, LANG.EN],
-  CK: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  CL: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  CM: [LANG.FR, LANG.EN],
-  CN: [LANG.ZH],
-  CO: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  CR: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  CV: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  CY: [LANG.EN],
-  CZ: [LANG.CS, LANG.EN],
-  DE: [LANG.DE, LANG.EN],
-  DJ: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  DK: [LANG.DA, LANG.EN],
-  DM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  DO: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  DZ: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  EC: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  EE: [LANG.ET, LANG.EN, LANG.RU],
-  EG: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  ER: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  ES: [LANG.ES, LANG.EN],
-  ET: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  FI: [LANG.FI, LANG.EN],
-  FJ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  FK: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  FM: [LANG.EN],
-  FO: [LANG.DA, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  FR: [LANG.FR, LANG.EN],
-  GA: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  GB: [LANG.EN],
-  GD: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  GE: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  GF: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  GI: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  GL: [LANG.DA, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  GM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  GN: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  GP: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  GR: [LANG.EL, LANG.EN],
-  GT: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  GW: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  GY: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  HK: [LANG.EN, LANG.ZH_HANT, LANG.ZH],
-  HN: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  HR: [LANG.EN],
-  HU: [LANG.HU, LANG.EN],
-  ID: [LANG.ID, LANG.EN],
-  IE: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  IL: [LANG.HE, LANG.EN],
-  IN: [LANG.EN],
-  IS: [LANG.EN],
-  IT: [LANG.IT, LANG.EN],
-  JM: [LANG.EN, LANG.ES, LANG.FR, LANG.ZH],
-  JO: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  JP: [LANG.JA, LANG.EN],
-  KE: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  KG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  KH: [LANG.EN],
-  KI: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  KM: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  KN: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  KR: [LANG.KO, LANG.EN],
-  KW: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  KY: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  KZ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  LA: [LANG.EN],
-  LC: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  LI: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  LK: [LANG.SI, LANG.EN],
-  LS: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  LT: [LANG.LT, LANG.EN, LANG.RU, LANG.ZH],
-  LU: [LANG.EN, LANG.DE, LANG.FR, LANG.ES, LANG.ZH],
-  LV: [LANG.LV, LANG.EN, LANG.RU],
-  MA: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  MC: [LANG.FR, LANG.EN],
-  MD: [LANG.EN],
-  ME: [LANG.EN],
-  MG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  MH: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  MK: [LANG.EN],
-  ML: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  MN: [LANG.EN],
-  MQ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  MR: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  MS: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  MT: [LANG.EN],
-  MU: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  MV: [LANG.EN],
-  MW: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  MX: [LANG.ES, LANG.EN],
-  MY: [LANG.MS, LANG.EN],
-  MZ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  NA: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  NC: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  NE: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  NF: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  NG: [LANG.EN],
-  NI: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  NL: [LANG.NL, LANG.EN],
-  NO: [LANG.NO, LANG.EN],
-  NP: [LANG.EN],
-  NR: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  NU: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  NZ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  OM: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  PA: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  PE: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  PF: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  PG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  PH: [LANG.TL, LANG.EN],
-  PL: [LANG.PL, LANG.EN],
-  PM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  PN: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  PT: [LANG.PT, LANG.EN],
-  PW: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  PY: [LANG.ES, LANG.EN],
-  QA: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH, LANG.AR],
-  RE: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  RO: [LANG.RO, LANG.EN],
-  RS: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  RU: [LANG.RU, LANG.EN],
-  RW: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  SA: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  SB: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  SC: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  SE: [LANG.SV, LANG.EN],
-  SG: [LANG.EN],
-  SH: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  SI: [LANG.SL, LANG.EN],
-  SJ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  SK: [LANG.SK, LANG.EN],
-  SL: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  SM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  SN: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  SO: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  SR: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  ST: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  SV: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  SZ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  TC: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  TD: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  TG: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
-  TH: [LANG.TH, LANG.EN],
-  TJ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  TM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  TN: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  TO: [LANG.EN],
-  TR: [LANG.TR, LANG.EN],
-  TT: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  TV: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  TW: [LANG.ZH_HANT, LANG.ZH, LANG.EN],
-  TZ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  UA: [LANG.EN, LANG.RU, LANG.FR, LANG.ES, LANG.ZH],
-  UG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  US: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  UY: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  VA: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  VC: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  VE: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
-  VG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  VN: [LANG.VI, LANG.EN],
-  VU: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  WF: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  WS: [LANG.EN],
-  YE: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  YT: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  ZA: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  ZM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
-  ZW: [LANG.EN],
-};
-
-export type LocaleType = {|
-  country: $Values<typeof COUNTRY>,
-  lang: $Values<typeof LANG>,
-|};
diff --git a/src/locale.ts b/src/locale.ts
new file mode 100644
index 00000000..01803478
--- /dev/null
+++ b/src/locale.ts
@@ -0,0 +1,663 @@
+/* eslint max-lines: 0 */
+export const COUNTRY = {
+  AD: "AD" as const,
+  AE: "AE" as const,
+  AG: "AG" as const,
+  AI: "AI" as const,
+  AL: "AL" as const,
+  AM: "AM" as const,
+  AN: "AN" as const,
+  AO: "AO" as const,
+  AR: "AR" as const,
+  AT: "AT" as const,
+  AU: "AU" as const,
+  AW: "AW" as const,
+  AZ: "AZ" as const,
+  BA: "BA" as const,
+  BB: "BB" as const,
+  BE: "BE" as const,
+  BF: "BF" as const,
+  BG: "BG" as const,
+  BH: "BH" as const,
+  BI: "BI" as const,
+  BJ: "BJ" as const,
+  BM: "BM" as const,
+  BN: "BN" as const,
+  BO: "BO" as const,
+  BR: "BR" as const,
+  BS: "BS" as const,
+  BT: "BT" as const,
+  BW: "BW" as const,
+  BY: "BY" as const,
+  BZ: "BZ" as const,
+  CA: "CA" as const,
+  CD: "CD" as const,
+  CG: "CG" as const,
+  CH: "CH" as const,
+  CI: "CI" as const,
+  CK: "CK" as const,
+  CL: "CL" as const,
+  CM: "CM" as const,
+  CN: "CN" as const,
+  CO: "CO" as const,
+  CR: "CR" as const,
+  CV: "CV" as const,
+  CY: "CY" as const,
+  CZ: "CZ" as const,
+  DE: "DE" as const,
+  DJ: "DJ" as const,
+  DK: "DK" as const,
+  DM: "DM" as const,
+  DO: "DO" as const,
+  DZ: "DZ" as const,
+  EC: "EC" as const,
+  EE: "EE" as const,
+  EG: "EG" as const,
+  ER: "ER" as const,
+  ES: "ES" as const,
+  ET: "ET" as const,
+  FI: "FI" as const,
+  FJ: "FJ" as const,
+  FK: "FK" as const,
+  FM: "FM" as const,
+  FO: "FO" as const,
+  FR: "FR" as const,
+  GA: "GA" as const,
+  GB: "GB" as const,
+  GD: "GD" as const,
+  GE: "GE" as const,
+  GF: "GF" as const,
+  GI: "GI" as const,
+  GL: "GL" as const,
+  GM: "GM" as const,
+  GN: "GN" as const,
+  GP: "GP" as const,
+  GR: "GR" as const,
+  GT: "GT" as const,
+  GW: "GW" as const,
+  GY: "GY" as const,
+  HK: "HK" as const,
+  HN: "HN" as const,
+  HR: "HR" as const,
+  HU: "HU" as const,
+  ID: "ID" as const,
+  IE: "IE" as const,
+  IL: "IL" as const,
+  IN: "IN" as const,
+  IS: "IS" as const,
+  IT: "IT" as const,
+  JM: "JM" as const,
+  JO: "JO" as const,
+  JP: "JP" as const,
+  KE: "KE" as const,
+  KG: "KG" as const,
+  KH: "KH" as const,
+  KI: "KI" as const,
+  KM: "KM" as const,
+  KN: "KN" as const,
+  KR: "KR" as const,
+  KW: "KW" as const,
+  KY: "KY" as const,
+  KZ: "KZ" as const,
+  LA: "LA" as const,
+  LC: "LC" as const,
+  LI: "LI" as const,
+  LK: "LK" as const,
+  LS: "LS" as const,
+  LT: "LT" as const,
+  LU: "LU" as const,
+  LV: "LV" as const,
+  MA: "MA" as const,
+  MC: "MC" as const,
+  MD: "MD" as const,
+  ME: "ME" as const,
+  MG: "MG" as const,
+  MH: "MH" as const,
+  MK: "MK" as const,
+  ML: "ML" as const,
+  MN: "MN" as const,
+  MQ: "MQ" as const,
+  MR: "MR" as const,
+  MS: "MS" as const,
+  MT: "MT" as const,
+  MU: "MU" as const,
+  MV: "MV" as const,
+  MW: "MW" as const,
+  MX: "MX" as const,
+  MY: "MY" as const,
+  MZ: "MZ" as const,
+  NA: "NA" as const,
+  NC: "NC" as const,
+  NE: "NE" as const,
+  NF: "NF" as const,
+  NG: "NG" as const,
+  NI: "NI" as const,
+  NL: "NL" as const,
+  NO: "NO" as const,
+  NP: "NP" as const,
+  NR: "NR" as const,
+  NU: "NU" as const,
+  NZ: "NZ" as const,
+  OM: "OM" as const,
+  PA: "PA" as const,
+  PE: "PE" as const,
+  PF: "PF" as const,
+  PG: "PG" as const,
+  PH: "PH" as const,
+  PL: "PL" as const,
+  PM: "PM" as const,
+  PN: "PN" as const,
+  PT: "PT" as const,
+  PW: "PW" as const,
+  PY: "PY" as const,
+  QA: "QA" as const,
+  RE: "RE" as const,
+  RO: "RO" as const,
+  RS: "RS" as const,
+  RU: "RU" as const,
+  RW: "RW" as const,
+  SA: "SA" as const,
+  SB: "SB" as const,
+  SC: "SC" as const,
+  SE: "SE" as const,
+  SG: "SG" as const,
+  SH: "SH" as const,
+  SI: "SI" as const,
+  SJ: "SJ" as const,
+  SK: "SK" as const,
+  SL: "SL" as const,
+  SM: "SM" as const,
+  SN: "SN" as const,
+  SO: "SO" as const,
+  SR: "SR" as const,
+  ST: "ST" as const,
+  SV: "SV" as const,
+  SZ: "SZ" as const,
+  TC: "TC" as const,
+  TD: "TD" as const,
+  TG: "TG" as const,
+  TH: "TH" as const,
+  TJ: "TJ" as const,
+  TM: "TM" as const,
+  TN: "TN" as const,
+  TO: "TO" as const,
+  TR: "TR" as const,
+  TT: "TT" as const,
+  TV: "TV" as const,
+  TW: "TW" as const,
+  TZ: "TZ" as const,
+  UA: "UA" as const,
+  UG: "UG" as const,
+  US: "US" as const,
+  UY: "UY" as const,
+  VA: "VA" as const,
+  VC: "VC" as const,
+  VE: "VE" as const,
+  VG: "VG" as const,
+  VN: "VN" as const,
+  VU: "VU" as const,
+  WF: "WF" as const,
+  WS: "WS" as const,
+  YE: "YE" as const,
+  YT: "YT" as const,
+  ZA: "ZA" as const,
+  ZM: "ZM" as const,
+  ZW: "ZW" as const,
+};
+export const LANG = {
+  AR: "ar" as const,
+  BG: "bg" as const,
+  CS: "cs" as const,
+  DA: "da" as const,
+  DE: "de" as const,
+  EL: "el" as const,
+  EN: "en" as const,
+  ES: "es" as const,
+  ET: "et" as const,
+  FI: "fi" as const,
+  FR: "fr" as const,
+  HE: "he" as const,
+  HU: "hu" as const,
+  ID: "id" as const,
+  IT: "it" as const,
+  JA: "ja" as const,
+  KO: "ko" as const,
+  LT: "lt" as const,
+  LV: "lv" as const,
+  MS: "ms" as const,
+  NL: "nl" as const,
+  NO: "no" as const,
+  PL: "pl" as const,
+  PT: "pt" as const,
+  RO: "ro" as const,
+  RU: "ru" as const,
+  SI: "si" as const,
+  SK: "sk" as const,
+  SL: "sl" as const,
+  SQ: "sq" as const,
+  SV: "sv" as const,
+  TH: "th" as const,
+  TL: "tl" as const,
+  TR: "tr" as const,
+  VI: "vi" as const,
+  ZH: "zh" as const,
+  ZH_HANT: "zh_Hant" as const,
+};
+export type CountryLangs = {
+  AD: "en" | "fr" | "es" | "zh";
+  AE: "en" | "fr" | "es" | "zh" | "ar";
+  AG: "en" | "fr" | "es" | "zh";
+  AI: "en" | "fr" | "es" | "zh";
+  AL: "sq" | "en";
+  AM: "en" | "fr" | "es" | "zh";
+  AN: "en" | "fr" | "es" | "zh";
+  AO: "en" | "fr" | "es" | "zh";
+  AR: "es" | "en";
+  AT: "de" | "en";
+  AU: "en";
+  AW: "en" | "fr" | "es" | "zh";
+  AZ: "en" | "fr" | "es" | "zh";
+  BA: "en";
+  BB: "en" | "fr" | "es" | "zh";
+  BE: "en" | "nl" | "fr";
+  BF: "fr" | "en" | "es" | "zh";
+  BG: "bg" | "en";
+  BH: "ar" | "en" | "fr" | "es" | "zh";
+  BI: "fr" | "en" | "es" | "zh";
+  BJ: "fr" | "en" | "es" | "zh";
+  BM: "en" | "fr" | "es" | "zh";
+  BN: "ms" | "en";
+  BO: "es" | "en" | "fr" | "zh";
+  BR: "pt" | "en";
+  BS: "en" | "fr" | "es" | "zh";
+  BT: "en";
+  BW: "en" | "fr" | "es" | "zh";
+  BY: "en";
+  BZ: "en" | "es" | "fr" | "zh";
+  CA: "en" | "fr";
+  CD: "fr" | "en" | "es" | "zh";
+  CG: "en" | "fr" | "es" | "zh";
+  CH: "de" | "fr" | "en";
+  CI: "fr" | "en";
+  CK: "en" | "fr" | "es" | "zh";
+  CL: "es" | "en" | "fr" | "zh";
+  CM: "fr" | "en";
+  CN: "zh";
+  CO: "es" | "en" | "fr" | "zh";
+  CR: "es" | "en" | "fr" | "zh";
+  CV: "en" | "fr" | "es" | "zh";
+  CY: "en";
+  CZ: "cs" | "en";
+  DE: "de" | "en";
+  DJ: "fr" | "en" | "es" | "zh";
+  DK: "da" | "en";
+  DM: "en" | "fr" | "es" | "zh";
+  DO: "es" | "en" | "fr" | "zh";
+  DZ: "ar" | "en" | "fr" | "es" | "zh";
+  EC: "es" | "en" | "fr" | "zh";
+  EE: "et" | "en" | "ru";
+  EG: "ar" | "en" | "fr" | "es" | "zh";
+  ER: "en" | "fr" | "es" | "zh";
+  ES: "es" | "en";
+  ET: "en" | "fr" | "es" | "zh";
+  FI: "fi" | "en";
+  FJ: "en" | "fr" | "es" | "zh";
+  FK: "en" | "fr" | "es" | "zh";
+  FM: "en";
+  FO: "da" | "en" | "fr" | "es" | "zh";
+  FR: "fr" | "en";
+  GA: "fr" | "en" | "es" | "zh";
+  GB: "en";
+  GD: "en" | "fr" | "es" | "zh";
+  GE: "en" | "fr" | "es" | "zh";
+  GF: "en" | "fr" | "es" | "zh";
+  GI: "en" | "fr" | "es" | "zh";
+  GL: "da" | "en" | "fr" | "es" | "zh";
+  GM: "en" | "fr" | "es" | "zh";
+  GN: "fr" | "en" | "es" | "zh";
+  GP: "en" | "fr" | "es" | "zh";
+  GR: "el" | "en";
+  GT: "es" | "en" | "fr" | "zh";
+  GW: "en" | "fr" | "es" | "zh";
+  GY: "en" | "fr" | "es" | "zh";
+  HK: "en" | "zh_Hant";
+  HN: "es" | "en" | "fr" | "zh";
+  HR: "en";
+  HU: "hu" | "en";
+  ID: "id" | "en";
+  IE: "en" | "fr" | "es" | "zh";
+  IL: "he" | "en";
+  IN: "en";
+  IS: "en";
+  IT: "it" | "en";
+  JM: "en" | "es" | "fr" | "zh";
+  JO: "ar" | "en" | "fr" | "es" | "zh";
+  JP: "ja" | "en";
+  KE: "en" | "fr" | "es" | "zh";
+  KG: "en" | "fr" | "es" | "zh";
+  KH: "en";
+  KI: "en" | "fr" | "es" | "zh";
+  KM: "fr" | "en" | "es" | "zh";
+  KN: "en" | "fr" | "es" | "zh";
+  KR: "ko" | "en";
+  KW: "ar" | "en" | "fr" | "es" | "zh";
+  KY: "en" | "fr" | "es" | "zh";
+  KZ: "en" | "fr" | "es" | "zh";
+  LA: "en";
+  LC: "en" | "fr" | "es" | "zh";
+  LI: "en" | "fr" | "es" | "zh";
+  LK: "si" | "en";
+  LS: "en" | "fr" | "es" | "zh";
+  LT: "lt" | "en" | "ru" | "zh";
+  LU: "en" | "de" | "fr" | "es" | "zh";
+  LV: "lv" | "en" | "ru";
+  MA: "ar" | "en" | "fr" | "es" | "zh";
+  MC: "fr" | "en";
+  MD: "en";
+  ME: "en";
+  MG: "en" | "fr" | "es" | "zh";
+  MH: "en" | "fr" | "es" | "zh";
+  MK: "en";
+  ML: "fr" | "en" | "es" | "zh";
+  MN: "en";
+  MQ: "en" | "fr" | "es" | "zh";
+  MR: "en" | "fr" | "es" | "zh";
+  MS: "en" | "fr" | "es" | "zh";
+  MT: "en";
+  MU: "en" | "fr" | "es" | "zh";
+  MV: "en";
+  MW: "en" | "fr" | "es" | "zh";
+  MX: "es" | "en";
+  MY: "ms" | "en";
+  MZ: "en" | "fr" | "es" | "zh";
+  NA: "en" | "fr" | "es" | "zh";
+  NC: "en" | "fr" | "es" | "zh";
+  NE: "fr" | "en" | "es" | "zh";
+  NF: "en" | "fr" | "es" | "zh";
+  NG: "en";
+  NI: "es" | "en" | "fr" | "zh";
+  NL: "nl" | "en";
+  NO: "no" | "en";
+  NP: "en";
+  NR: "en" | "fr" | "es" | "zh";
+  NU: "en" | "fr" | "es" | "zh";
+  NZ: "en" | "fr" | "es" | "zh";
+  OM: "ar" | "en" | "fr" | "es" | "zh";
+  PA: "es" | "en" | "fr" | "zh";
+  PE: "es" | "en" | "fr" | "zh";
+  PF: "en" | "fr" | "es" | "zh";
+  PG: "en" | "fr" | "es" | "zh";
+  PH: "tl" | "en";
+  PL: "pl" | "en";
+  PM: "en" | "fr" | "es" | "zh";
+  PN: "en" | "fr" | "es" | "zh";
+  PT: "pt" | "en";
+  PW: "en" | "fr" | "es" | "zh";
+  PY: "es" | "en";
+  QA: "en" | "fr" | "es" | "zh" | "ar";
+  RE: "en" | "fr" | "es" | "zh";
+  RO: "ro" | "en";
+  RS: "en" | "fr" | "es" | "zh";
+  RU: "ru" | "en";
+  RW: "fr" | "en" | "es" | "zh";
+  SA: "ar" | "en" | "fr" | "es" | "zh";
+  SB: "en" | "fr" | "es" | "zh";
+  SC: "fr" | "en" | "es" | "zh";
+  SE: "sv" | "en";
+  SG: "en";
+  SH: "en" | "fr" | "es" | "zh";
+  SI: "sl" | "en";
+  SJ: "en" | "fr" | "es" | "zh";
+  SK: "sk" | "en";
+  SL: "en" | "fr" | "es" | "zh";
+  SM: "en" | "fr" | "es" | "zh";
+  SN: "fr" | "en" | "es" | "zh";
+  SO: "en" | "fr" | "es" | "zh";
+  SR: "en" | "fr" | "es" | "zh";
+  ST: "en" | "fr" | "es" | "zh";
+  SV: "es" | "en" | "fr" | "zh";
+  SZ: "en" | "fr" | "es" | "zh";
+  TC: "en" | "fr" | "es" | "zh";
+  TD: "fr" | "en" | "es" | "zh";
+  TG: "fr" | "en" | "es" | "zh";
+  TH: "th" | "en";
+  TJ: "en" | "fr" | "es" | "zh";
+  TM: "en" | "fr" | "es" | "zh";
+  TN: "ar" | "en" | "fr" | "es" | "zh";
+  TO: "en";
+  TR: "tr" | "en";
+  TT: "en" | "fr" | "es" | "zh";
+  TV: "en" | "fr" | "es" | "zh";
+  TW: "zh_Hant" | "en";
+  TZ: "en" | "fr" | "es" | "zh";
+  UA: "en" | "ru" | "fr" | "es" | "zh";
+  UG: "en" | "fr" | "es" | "zh";
+  US: "en" | "fr" | "es" | "zh";
+  UY: "es" | "en" | "fr" | "zh";
+  VA: "en" | "fr" | "es" | "zh";
+  VC: "en" | "fr" | "es" | "zh";
+  VE: "es" | "en" | "fr" | "zh";
+  VG: "en" | "fr" | "es" | "zh";
+  VN: "vi" | "en";
+  VU: "en" | "fr" | "es" | "zh";
+  WF: "en" | "fr" | "es" | "zh";
+  WS: "en";
+  YE: "ar" | "en" | "fr" | "es" | "zh";
+  YT: "en" | "fr" | "es" | "zh";
+  ZA: "en" | "fr" | "es" | "zh";
+  ZM: "en" | "fr" | "es" | "zh";
+  ZW: "en";
+};
+type CountryMap = Record<
+  keyof typeof COUNTRY,
+  ReadonlyArray<typeof LANG[keyof typeof LANG]>
+>;
+export const COUNTRY_LANGS: CountryMap = {
+  AD: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  AE: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH, LANG.AR],
+  AG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  AI: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  AL: [LANG.SQ, LANG.EN],
+  AM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  AN: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  AO: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  AR: [LANG.ES, LANG.EN],
+  AT: [LANG.DE, LANG.EN],
+  AU: [LANG.EN],
+  AW: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  AZ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  BA: [LANG.EN],
+  BB: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  BE: [LANG.EN, LANG.NL, LANG.FR],
+  BF: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  BG: [LANG.BG, LANG.EN],
+  BH: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  BI: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  BJ: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  BM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  BN: [LANG.MS, LANG.EN],
+  BO: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  BR: [LANG.PT, LANG.EN],
+  BS: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  BT: [LANG.EN],
+  BW: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  BY: [LANG.EN],
+  BZ: [LANG.EN, LANG.ES, LANG.FR, LANG.ZH],
+  CA: [LANG.EN, LANG.FR],
+  CD: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  CG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  CH: [LANG.DE, LANG.FR, LANG.EN],
+  CI: [LANG.FR, LANG.EN],
+  CK: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  CL: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  CM: [LANG.FR, LANG.EN],
+  CN: [LANG.ZH],
+  CO: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  CR: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  CV: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  CY: [LANG.EN],
+  CZ: [LANG.CS, LANG.EN],
+  DE: [LANG.DE, LANG.EN],
+  DJ: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  DK: [LANG.DA, LANG.EN],
+  DM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  DO: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  DZ: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  EC: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  EE: [LANG.ET, LANG.EN, LANG.RU],
+  EG: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  ER: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  ES: [LANG.ES, LANG.EN],
+  ET: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  FI: [LANG.FI, LANG.EN],
+  FJ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  FK: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  FM: [LANG.EN],
+  FO: [LANG.DA, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  FR: [LANG.FR, LANG.EN],
+  GA: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  GB: [LANG.EN],
+  GD: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  GE: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  GF: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  GI: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  GL: [LANG.DA, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  GM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  GN: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  GP: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  GR: [LANG.EL, LANG.EN],
+  GT: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  GW: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  GY: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  HK: [LANG.EN, LANG.ZH_HANT, LANG.ZH],
+  HN: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  HR: [LANG.EN],
+  HU: [LANG.HU, LANG.EN],
+  ID: [LANG.ID, LANG.EN],
+  IE: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  IL: [LANG.HE, LANG.EN],
+  IN: [LANG.EN],
+  IS: [LANG.EN],
+  IT: [LANG.IT, LANG.EN],
+  JM: [LANG.EN, LANG.ES, LANG.FR, LANG.ZH],
+  JO: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  JP: [LANG.JA, LANG.EN],
+  KE: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  KG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  KH: [LANG.EN],
+  KI: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  KM: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  KN: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  KR: [LANG.KO, LANG.EN],
+  KW: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  KY: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  KZ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  LA: [LANG.EN],
+  LC: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  LI: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  LK: [LANG.SI, LANG.EN],
+  LS: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  LT: [LANG.LT, LANG.EN, LANG.RU, LANG.ZH],
+  LU: [LANG.EN, LANG.DE, LANG.FR, LANG.ES, LANG.ZH],
+  LV: [LANG.LV, LANG.EN, LANG.RU],
+  MA: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  MC: [LANG.FR, LANG.EN],
+  MD: [LANG.EN],
+  ME: [LANG.EN],
+  MG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  MH: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  MK: [LANG.EN],
+  ML: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  MN: [LANG.EN],
+  MQ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  MR: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  MS: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  MT: [LANG.EN],
+  MU: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  MV: [LANG.EN],
+  MW: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  MX: [LANG.ES, LANG.EN],
+  MY: [LANG.MS, LANG.EN],
+  MZ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  NA: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  NC: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  NE: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  NF: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  NG: [LANG.EN],
+  NI: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  NL: [LANG.NL, LANG.EN],
+  NO: [LANG.NO, LANG.EN],
+  NP: [LANG.EN],
+  NR: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  NU: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  NZ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  OM: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  PA: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  PE: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  PF: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  PG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  PH: [LANG.TL, LANG.EN],
+  PL: [LANG.PL, LANG.EN],
+  PM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  PN: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  PT: [LANG.PT, LANG.EN],
+  PW: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  PY: [LANG.ES, LANG.EN],
+  QA: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH, LANG.AR],
+  RE: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  RO: [LANG.RO, LANG.EN],
+  RS: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  RU: [LANG.RU, LANG.EN],
+  RW: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  SA: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  SB: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  SC: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  SE: [LANG.SV, LANG.EN],
+  SG: [LANG.EN],
+  SH: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  SI: [LANG.SL, LANG.EN],
+  SJ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  SK: [LANG.SK, LANG.EN],
+  SL: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  SM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  SN: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  SO: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  SR: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  ST: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  SV: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  SZ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  TC: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  TD: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  TG: [LANG.FR, LANG.EN, LANG.ES, LANG.ZH],
+  TH: [LANG.TH, LANG.EN],
+  TJ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  TM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  TN: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  TO: [LANG.EN],
+  TR: [LANG.TR, LANG.EN],
+  TT: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  TV: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  TW: [LANG.ZH_HANT, LANG.ZH, LANG.EN],
+  TZ: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  UA: [LANG.EN, LANG.RU, LANG.FR, LANG.ES, LANG.ZH],
+  UG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  US: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  UY: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  VA: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  VC: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  VE: [LANG.ES, LANG.EN, LANG.FR, LANG.ZH],
+  VG: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  VN: [LANG.VI, LANG.EN],
+  VU: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  WF: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  WS: [LANG.EN],
+  YE: [LANG.AR, LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  YT: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  ZA: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  ZM: [LANG.EN, LANG.FR, LANG.ES, LANG.ZH],
+  ZW: [LANG.EN],
+};
+export type LocaleType = {
+  country: typeof COUNTRY[keyof typeof COUNTRY];
+  lang: typeof LANG[keyof typeof LANG];
+};
diff --git a/src/order.js b/src/order.js
deleted file mode 100644
index 7d03173c..00000000
--- a/src/order.js
+++ /dev/null
@@ -1,124 +0,0 @@
-/* @flow */
-
-export const INTENT = {
-  CAPTURE: ("capture": "capture"),
-  AUTHORIZE: ("authorize": "authorize"),
-  ORDER: ("order": "order"),
-  TOKENIZE: ("tokenize": "tokenize"),
-  SUBSCRIPTION: ("subscription": "subscription"),
-};
-
-export const COMMIT = {
-  TRUE: (true: true),
-  FALSE: (false: false),
-};
-
-export const VAULT = {
-  TRUE: (true: true),
-  FALSE: (false: false),
-};
-
-export const CURRENCY = {
-  AED: ("AED": "AED"),
-  ALL: ("ALL": "ALL"),
-  ANG: ("ANG": "ANG"),
-  AOA: ("AOA": "AOA"),
-  AUD: ("AUD": "AUD"),
-  AWG: ("AWG": "AWG"),
-  BAM: ("BAM": "BAM"),
-  BBD: ("BBD": "BBD"),
-  BGN: ("BGN": "BGN"),
-  BIF: ("BIF": "BIF"),
-  BMD: ("BMD": "BMD"),
-  BND: ("BND": "BND"),
-  BOB: ("BOB": "BOB"),
-  BRL: ("BRL": "BRL"),
-  BSD: ("BSD": "BSD"),
-  BTN: ("BTN": "BTN"),
-  CAD: ("CAD": "CAD"),
-  CDF: ("CDF": "CDF"),
-  CHF: ("CHF": "CHF"),
-  CLP: ("CLP": "CLP"),
-  COP: ("COP": "COP"),
-  CRC: ("CRC": "CRC"),
-  CVE: ("CVE": "CVE"),
-  CZK: ("CZK": "CZK"),
-  DJF: ("DJF": "DJF"),
-  DKK: ("DKK": "DKK"),
-  DOP: ("DOP": "DOP"),
-  DZD: ("DZD": "DZD"),
-  EGP: ("EGP": "EGP"),
-  ETB: ("ETB": "ETB"),
-  EUR: ("EUR": "EUR"),
-  FJD: ("FJD": "FJD"),
-  FKP: ("FKP": "FKP"),
-  GBP: ("GBP": "GBP"),
-  GIP: ("GIP": "GIP"),
-  GMD: ("GMD": "GMD"),
-  GNF: ("GNF": "GNF"),
-  GTQ: ("GTQ": "GTQ"),
-  GYD: ("GYD": "GYD"),
-  HKD: ("HKD": "HKD"),
-  HNL: ("HNL": "HNL"),
-  HRK: ("HRK": "HRK"),
-  HUF: ("HUF": "HUF"),
-  IDR: ("IDR": "IDR"),
-  ILS: ("ILS": "ILS"),
-  INR: ("INR": "INR"),
-  ISK: ("ISK": "ISK"),
-  JMD: ("JMD": "JMD"),
-  JPY: ("JPY": "JPY"),
-  KES: ("KES": "KES"),
-  KMF: ("KMF": "KMF"),
-  KRW: ("KRW": "KRW"),
-  KYD: ("KYD": "KYD"),
-  LAK: ("LAK": "LAK"),
-  LKR: ("LKR": "LKR"),
-  MDL: ("MDL": "MDL"),
-  MGA: ("MGA": "MGA"),
-  MKD: ("MKD": "MKD"),
-  MNT: ("MNT": "MNT"),
-  MRO: ("MRO": "MRO"),
-  MUR: ("MUR": "MUR"),
-  MVR: ("MVR": "MVR"),
-  MXN: ("MXN": "MXN"),
-  MYR: ("MYR": "MYR"),
-  NAD: ("NAD": "NAD"),
-  NIO: ("NIO": "NIO"),
-  NOK: ("NOK": "NOK"),
-  NPR: ("NPR": "NPR"),
-  NZD: ("NZD": "NZD"),
-  PEN: ("PEN": "PEN"),
-  PGK: ("PGK": "PGK"),
-  PHP: ("PHP": "PHP"),
-  PLN: ("PLN": "PLN"),
-  PYG: ("PYG": "PYG"),
-  QAR: ("QAR": "QAR"),
-  RON: ("RON": "RON"),
-  RSD: ("RSD": "RSD"),
-  RUB: ("RUB": "RUB"),
-  SAR: ("SAR": "SAR"),
-  SBD: ("SBD": "SBD"),
-  SCR: ("SCR": "SCR"),
-  SEK: ("SEK": "SEK"),
-  SGD: ("SGD": "SGD"),
-  SHP: ("SHP": "SHP"),
-  SLL: ("SLL": "SLL"),
-  SOS: ("SOS": "SOS"),
-  SRD: ("SRD": "SRD"),
-  SZL: ("SZL": "SZL"),
-  THB: ("THB": "THB"),
-  TJS: ("TJS": "TJS"),
-  TOP: ("TOP": "TOP"),
-  TTD: ("TTD": "TTD"),
-  TWD: ("TWD": "TWD"),
-  TZS: ("TZS": "TZS"),
-  USD: ("USD": "USD"),
-  UYU: ("UYU": "UYU"),
-  VND: ("VND": "VND"),
-  VUV: ("VUV": "VUV"),
-  WST: ("WST": "WST"),
-  XAF: ("XAF": "XAF"),
-  XCD: ("XCD": "XCD"),
-  YER: ("YER": "YER"),
-};
diff --git a/src/order.ts b/src/order.ts
new file mode 100644
index 00000000..1bc9c80b
--- /dev/null
+++ b/src/order.ts
@@ -0,0 +1,119 @@
+export const INTENT = {
+  CAPTURE: "capture" as const,
+  AUTHORIZE: "authorize" as const,
+  ORDER: "order" as const,
+  TOKENIZE: "tokenize" as const,
+  SUBSCRIPTION: "subscription" as const,
+};
+export const COMMIT = {
+  TRUE: true as const,
+  FALSE: false as const,
+};
+export const VAULT = {
+  TRUE: true as const,
+  FALSE: false as const,
+};
+export const CURRENCY = {
+  AED: "AED" as const,
+  ALL: "ALL" as const,
+  ANG: "ANG" as const,
+  AOA: "AOA" as const,
+  AUD: "AUD" as const,
+  AWG: "AWG" as const,
+  BAM: "BAM" as const,
+  BBD: "BBD" as const,
+  BGN: "BGN" as const,
+  BIF: "BIF" as const,
+  BMD: "BMD" as const,
+  BND: "BND" as const,
+  BOB: "BOB" as const,
+  BRL: "BRL" as const,
+  BSD: "BSD" as const,
+  BTN: "BTN" as const,
+  CAD: "CAD" as const,
+  CDF: "CDF" as const,
+  CHF: "CHF" as const,
+  CLP: "CLP" as const,
+  COP: "COP" as const,
+  CRC: "CRC" as const,
+  CVE: "CVE" as const,
+  CZK: "CZK" as const,
+  DJF: "DJF" as const,
+  DKK: "DKK" as const,
+  DOP: "DOP" as const,
+  DZD: "DZD" as const,
+  EGP: "EGP" as const,
+  ETB: "ETB" as const,
+  EUR: "EUR" as const,
+  FJD: "FJD" as const,
+  FKP: "FKP" as const,
+  GBP: "GBP" as const,
+  GIP: "GIP" as const,
+  GMD: "GMD" as const,
+  GNF: "GNF" as const,
+  GTQ: "GTQ" as const,
+  GYD: "GYD" as const,
+  HKD: "HKD" as const,
+  HNL: "HNL" as const,
+  HRK: "HRK" as const,
+  HUF: "HUF" as const,
+  IDR: "IDR" as const,
+  ILS: "ILS" as const,
+  INR: "INR" as const,
+  ISK: "ISK" as const,
+  JMD: "JMD" as const,
+  JPY: "JPY" as const,
+  KES: "KES" as const,
+  KMF: "KMF" as const,
+  KRW: "KRW" as const,
+  KYD: "KYD" as const,
+  LAK: "LAK" as const,
+  LKR: "LKR" as const,
+  MDL: "MDL" as const,
+  MGA: "MGA" as const,
+  MKD: "MKD" as const,
+  MNT: "MNT" as const,
+  MRO: "MRO" as const,
+  MUR: "MUR" as const,
+  MVR: "MVR" as const,
+  MXN: "MXN" as const,
+  MYR: "MYR" as const,
+  NAD: "NAD" as const,
+  NIO: "NIO" as const,
+  NOK: "NOK" as const,
+  NPR: "NPR" as const,
+  NZD: "NZD" as const,
+  PEN: "PEN" as const,
+  PGK: "PGK" as const,
+  PHP: "PHP" as const,
+  PLN: "PLN" as const,
+  PYG: "PYG" as const,
+  QAR: "QAR" as const,
+  RON: "RON" as const,
+  RSD: "RSD" as const,
+  RUB: "RUB" as const,
+  SAR: "SAR" as const,
+  SBD: "SBD" as const,
+  SCR: "SCR" as const,
+  SEK: "SEK" as const,
+  SGD: "SGD" as const,
+  SHP: "SHP" as const,
+  SLL: "SLL" as const,
+  SOS: "SOS" as const,
+  SRD: "SRD" as const,
+  SZL: "SZL" as const,
+  THB: "THB" as const,
+  TJS: "TJS" as const,
+  TOP: "TOP" as const,
+  TTD: "TTD" as const,
+  TWD: "TWD" as const,
+  TZS: "TZS" as const,
+  USD: "USD" as const,
+  UYU: "UYU" as const,
+  VND: "VND" as const,
+  VUV: "VUV" as const,
+  WST: "WST" as const,
+  XAF: "XAF" as const,
+  XCD: "XCD" as const,
+  YER: "YER" as const,
+};
diff --git a/src/params.js b/src/params.js
deleted file mode 100644
index 9bca49f8..00000000
--- a/src/params.js
+++ /dev/null
@@ -1,89 +0,0 @@
-/* @flow */
-
-export const SDK_PATH = "/sdk/js";
-
-export const SDK_SETTINGS = {
-  NAMESPACE: ("data-namespace": "data-namespace"),
-  CLIENT_TOKEN: ("data-client-token": "data-client-token"),
-  MERCHANT_ID: ("data-merchant-id": "data-merchant-id"),
-  PARTNER_ATTRIBUTION_ID:
-    ("data-partner-attribution-id": "data-partner-attribution-id"),
-  STAGE_HOST: ("data-stage-host": "data-stage-host"),
-  API_STAGE_HOST: ("data-api-stage-host": "data-api-stage-host"),
-  CSP_NONCE: ("data-csp-nonce": "data-csp-nonce"),
-  ENABLE_3DS: ("data-enable-3ds": "data-enable-3ds"),
-  SDK_INTEGRATION_SOURCE:
-    ("data-sdk-integration-source": "data-sdk-integration-source"),
-  USER_ID_TOKEN: ("data-user-id-token": "data-user-id-token"),
-  AMOUNT: ("data-amount": "data-amount"),
-  CLIENT_METADATA_ID: ("data-client-metadata-id": "data-client-metadata-id"),
-  PAGE_TYPE: ("data-page-type": "data-page-type"),
-  USER_EXPERIENCE_FLOW:
-    ("data-user-experience-flow": "data-user-experience-flow"),
-  POPUPS_DISABLED: ("data-popups-disabled": "data-popups-disabled"),
-};
-
-export const SDK_QUERY_KEYS = {
-  COMPONENTS: ("components": "components"),
-
-  ENV: ("env": "env"),
-  DEBUG: ("debug": "debug"),
-  CACHEBUST: ("cachebust": "cachebust"),
-
-  CLIENT_ID: ("client-id": "client-id"),
-  MERCHANT_ID: ("merchant-id": "merchant-id"),
-
-  LOCALE: ("locale": "locale"),
-
-  CURRENCY: ("currency": "currency"),
-  INTENT: ("intent": "intent"),
-  COMMIT: ("commit": "commit"),
-  VAULT: ("vault": "vault"),
-
-  BUYER_COUNTRY: ("buyer-country": "buyer-country"),
-
-  ENABLE_FUNDING: ("enable-funding": "enable-funding"),
-  DISABLE_FUNDING: ("disable-funding": "disable-funding"),
-  DISABLE_CARD: ("disable-card": "disable-card"),
-
-  INTEGRATION_DATE: ("integration-date": "integration-date"),
-  STAGE_HOST: ("stage-host": "stage-host"),
-  STAGE_ALIAS: ("stage-alias": "stage-alias"),
-  CDN_REGISTRY: ("cdn-registry": "cdn-registry"),
-  VERSION: ("version": "version"),
-};
-
-export const COMPONENTS = {
-  BUTTONS: ("buttons": "buttons"),
-  HOSTED_FIELDS: ("hosted-fields": "hosted-fields"),
-};
-
-export const DEBUG = {
-  TRUE: (true: true),
-  FALSE: (false: false),
-};
-
-export const QUERY_BOOL = {
-  TRUE: ("true": "true"),
-  FALSE: ("false": "false"),
-};
-
-export const UNKNOWN = ("unknown": "unknown");
-
-export const PROTOCOL = {
-  HTTP: ("http": "http"),
-  HTTPS: ("https": "https"),
-};
-
-export const PAGE_TYPES = {
-  HOME: ("home": "home"),
-  PRODUCT: ("product": "product"),
-  CART: ("cart": "cart"),
-  CHECKOUT: ("checkout": "checkout"),
-  PRODUCT_LISTING: ("product-listing": "product-listing"),
-  SEARCH_RESULTS: ("search-results": "search-results"),
-  PRODUCT_DETAILS: ("product-details": "product-details"),
-  MINI_CART: ("mini-cart": "mini-cart"),
-};
-
-export const MERCHANT_ID_MAX = 10;
diff --git a/src/params.ts b/src/params.ts
new file mode 100644
index 00000000..24a4b48b
--- /dev/null
+++ b/src/params.ts
@@ -0,0 +1,68 @@
+export const SDK_PATH = "/sdk/js";
+export const SDK_SETTINGS = {
+  NAMESPACE: "data-namespace" as const,
+  CLIENT_TOKEN: "data-client-token" as const,
+  MERCHANT_ID: "data-merchant-id" as const,
+  PARTNER_ATTRIBUTION_ID: "data-partner-attribution-id" as const,
+  STAGE_HOST: "data-stage-host" as const,
+  API_STAGE_HOST: "data-api-stage-host" as const,
+  CSP_NONCE: "data-csp-nonce" as const,
+  ENABLE_3DS: "data-enable-3ds" as const,
+  SDK_INTEGRATION_SOURCE: "data-sdk-integration-source" as const,
+  USER_ID_TOKEN: "data-user-id-token" as const,
+  AMOUNT: "data-amount" as const,
+  CLIENT_METADATA_ID: "data-client-metadata-id" as const,
+  PAGE_TYPE: "data-page-type" as const,
+  USER_EXPERIENCE_FLOW: "data-user-experience-flow" as const,
+  POPUPS_DISABLED: "data-popups-disabled" as const,
+};
+export const SDK_QUERY_KEYS = {
+  COMPONENTS: "components" as const,
+  ENV: "env" as const,
+  DEBUG: "debug" as const,
+  CACHEBUST: "cachebust" as const,
+  CLIENT_ID: "client-id" as const,
+  MERCHANT_ID: "merchant-id" as const,
+  LOCALE: "locale" as const,
+  CURRENCY: "currency" as const,
+  INTENT: "intent" as const,
+  COMMIT: "commit" as const,
+  VAULT: "vault" as const,
+  BUYER_COUNTRY: "buyer-country" as const,
+  ENABLE_FUNDING: "enable-funding" as const,
+  DISABLE_FUNDING: "disable-funding" as const,
+  DISABLE_CARD: "disable-card" as const,
+  INTEGRATION_DATE: "integration-date" as const,
+  STAGE_HOST: "stage-host" as const,
+  STAGE_ALIAS: "stage-alias" as const,
+  CDN_REGISTRY: "cdn-registry" as const,
+  VERSION: "version" as const,
+};
+export const COMPONENTS = {
+  BUTTONS: "buttons" as const,
+  HOSTED_FIELDS: "hosted-fields" as const,
+};
+export const DEBUG = {
+  TRUE: true as const,
+  FALSE: false as const,
+};
+export const QUERY_BOOL = {
+  TRUE: "true" as const,
+  FALSE: "false" as const,
+};
+export const UNKNOWN = "unknown" as const;
+export const PROTOCOL = {
+  HTTP: "http" as const,
+  HTTPS: "https" as const,
+};
+export const PAGE_TYPES = {
+  HOME: "home" as const,
+  PRODUCT: "product" as const,
+  CART: "cart" as const,
+  CHECKOUT: "checkout" as const,
+  PRODUCT_LISTING: "product-listing" as const,
+  SEARCH_RESULTS: "search-results" as const,
+  PRODUCT_DETAILS: "product-details" as const,
+  MINI_CART: "mini-cart" as const,
+};
+export const MERCHANT_ID_MAX = 10;
diff --git a/src/platform.js b/src/platform.js
deleted file mode 100644
index ee00e996..00000000
--- a/src/platform.js
+++ /dev/null
@@ -1,6 +0,0 @@
-/* @flow */
-
-export const PLATFORM = {
-  DESKTOP: ("desktop": "desktop"),
-  MOBILE: ("mobile": "mobile"),
-};
diff --git a/src/platform.ts b/src/platform.ts
new file mode 100644
index 00000000..4f88139d
--- /dev/null
+++ b/src/platform.ts
@@ -0,0 +1,4 @@
+export const PLATFORM = {
+  DESKTOP: "desktop" as const,
+  MOBILE: "mobile" as const,
+};
diff --git a/src/types.js b/src/types.js
deleted file mode 100644
index 84570a65..00000000
--- a/src/types.js
+++ /dev/null
@@ -1,94 +0,0 @@
-/* @flow */
-
-export const TYPES = true;
-
-export type VaultedInstrument = {|
-  id: string,
-  label: {|
-    description: string,
-  |},
-|};
-
-export type BasicEligibility = {|
-  eligible: ?boolean,
-  branded: ?boolean,
-  recommended?: ?boolean,
-|};
-
-export type PayPalEligibility = {|
-  eligible: ?boolean,
-  branded: ?boolean,
-  recommended?: ?boolean,
-  vaultable?: ?boolean,
-  vaultedInstruments?: $ReadOnlyArray<VaultedInstrument>,
-|};
-
-export type FundingProductEligibility = {|
-  eligible?: boolean,
-  variant?: ?string,
-|};
-
-export type PayLaterEligibility = {|
-  eligible: ?boolean,
-  recommended?: ?boolean,
-  products?: {|
-    payIn3: FundingProductEligibility,
-    payIn4: FundingProductEligibility,
-    paylater: FundingProductEligibility,
-  |},
-|};
-
-export type CardVendorEligibility = {|
-  eligible: ?boolean,
-  vaultable?: ?boolean,
-  vaultedInstruments?: $ReadOnlyArray<VaultedInstrument>,
-|};
-
-export type CardVendorsEligibility = {|
-  visa?: CardVendorEligibility,
-  mastercard?: CardVendorEligibility,
-  amex?: CardVendorEligibility,
-  discover?: CardVendorEligibility,
-  hiper?: CardVendorEligibility,
-  elo?: CardVendorEligibility,
-  jcb?: CardVendorEligibility,
-  cup?: CardVendorEligibility,
-|};
-
-export type CardEligibility = {|
-  eligible: ?boolean,
-  branded: ?boolean,
-  recommended?: ?boolean,
-  installments?: ?boolean,
-  vendors: CardVendorsEligibility,
-|};
-
-export type FundingEligibilityType = {|
-  paypal?: PayPalEligibility,
-  card?: CardEligibility,
-  venmo?: BasicEligibility,
-  applepay?: BasicEligibility,
-  credit?: BasicEligibility,
-  paylater?: PayLaterEligibility,
-  sepa?: BasicEligibility,
-  bancontact?: BasicEligibility,
-  eps?: BasicEligibility,
-  giropay?: BasicEligibility,
-  ideal?: BasicEligibility,
-  mybank?: BasicEligibility,
-  p24?: BasicEligibility,
-  sofort?: BasicEligibility,
-  wechatpay?: BasicEligibility,
-  zimpler?: BasicEligibility,
-  itau?: BasicEligibility,
-  payu?: BasicEligibility,
-  verkkopankki?: BasicEligibility,
-  blik?: BasicEligibility,
-  boleto?: BasicEligibility,
-  boletobancario?: BasicEligibility,
-  maxima?: BasicEligibility,
-  oxxo?: BasicEligibility,
-  trustly?: BasicEligibility,
-  mercadopago?: BasicEligibility,
-  multibanco?: BasicEligibility,
-|};
diff --git a/src/types.ts b/src/types.ts
new file mode 100644
index 00000000..4b73ca06
--- /dev/null
+++ b/src/types.ts
@@ -0,0 +1,83 @@
+export const TYPES = true;
+export type VaultedInstrument = {
+  id: string;
+  label: {
+    description: string;
+  };
+};
+export type BasicEligibility = {
+  eligible: boolean | null | undefined;
+  branded: boolean | null | undefined;
+  recommended?: boolean | null | undefined;
+};
+export type PayPalEligibility = {
+  eligible: boolean | null | undefined;
+  branded: boolean | null | undefined;
+  recommended?: boolean | null | undefined;
+  vaultable?: boolean | null | undefined;
+  vaultedInstruments?: ReadonlyArray<VaultedInstrument>;
+};
+export type FundingProductEligibility = {
+  eligible?: boolean;
+  variant?: string | null | undefined;
+};
+export type PayLaterEligibility = {
+  eligible: boolean | null | undefined;
+  recommended?: boolean | null | undefined;
+  products?: {
+    payIn3: FundingProductEligibility;
+    payIn4: FundingProductEligibility;
+    paylater: FundingProductEligibility;
+  };
+};
+export type CardVendorEligibility = {
+  eligible: boolean | null | undefined;
+  vaultable?: boolean | null | undefined;
+  vaultedInstruments?: ReadonlyArray<VaultedInstrument>;
+};
+export type CardVendorsEligibility = {
+  visa?: CardVendorEligibility;
+  mastercard?: CardVendorEligibility;
+  amex?: CardVendorEligibility;
+  discover?: CardVendorEligibility;
+  hiper?: CardVendorEligibility;
+  elo?: CardVendorEligibility;
+  jcb?: CardVendorEligibility;
+  cup?: CardVendorEligibility;
+};
+export type CardEligibility = {
+  eligible: boolean | null | undefined;
+  branded: boolean | null | undefined;
+  recommended?: boolean | null | undefined;
+  installments?: boolean | null | undefined;
+  vendors: CardVendorsEligibility;
+};
+export type FundingEligibilityType = {
+  paypal?: PayPalEligibility;
+  card?: CardEligibility;
+  venmo?: BasicEligibility;
+  applepay?: BasicEligibility;
+  credit?: BasicEligibility;
+  paylater?: PayLaterEligibility;
+  sepa?: BasicEligibility;
+  bancontact?: BasicEligibility;
+  eps?: BasicEligibility;
+  giropay?: BasicEligibility;
+  ideal?: BasicEligibility;
+  mybank?: BasicEligibility;
+  p24?: BasicEligibility;
+  sofort?: BasicEligibility;
+  wechatpay?: BasicEligibility;
+  zimpler?: BasicEligibility;
+  itau?: BasicEligibility;
+  payu?: BasicEligibility;
+  verkkopankki?: BasicEligibility;
+  blik?: BasicEligibility;
+  boleto?: BasicEligibility;
+  boletobancario?: BasicEligibility;
+  maxima?: BasicEligibility;
+  oxxo?: BasicEligibility;
+  trustly?: BasicEligibility;
+  mercadopago?: BasicEligibility;
+  multibanco?: BasicEligibility;
+};
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 00000000..a0710938
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,3 @@
+{
+  "extends": "@krakenjs/grumbler-scripts/config/tsconfig.json"
+}
diff --git a/webpack.config.js b/webpack.config.ts
similarity index 90%
rename from webpack.config.js
rename to webpack.config.ts
index 103fc4c8..aba1302f 100644
--- a/webpack.config.js
+++ b/webpack.config.ts
@@ -1,17 +1,19 @@
 /* @flow */
 /* eslint import/no-nodejs-modules: off */
-
+// @ts-ignore
 import { getWebpackConfig } from "@krakenjs/grumbler-scripts/config/webpack.config";
 
 const FILE_NAME = "paypal-sdk-constants";
 const MODULE_NAME = "ppsdkconstants";
 
 export const WEBPACK_CONFIG = getWebpackConfig({
+  entry: "./index.ts",
   filename: `${FILE_NAME}.js`,
   modulename: MODULE_NAME,
 });
 
 export const WEBPACK_CONFIG_MIN = getWebpackConfig({
+  entry: "./index.ts",
   filename: `${FILE_NAME}.min.js`,
   modulename: MODULE_NAME,
   minify: true,
@@ -21,6 +23,7 @@ export const WEBPACK_CONFIG_MIN = getWebpackConfig({
 });
 
 export const WEBPACK_CONFIG_TEST = getWebpackConfig({
+  entry: "./index.ts",
   filename: `${FILE_NAME}.js`,
   modulename: MODULE_NAME,
   options: {