.

node_modules/os-locale/index.js

@@ -0,0 +1,114 @@
+'use strict';
+const execa = require('execa');
+const lcid = require('lcid');
+const mem = require('mem');
+
+const defaultOptions = {spawn: true};
+const defaultLocale = 'en_US';
+
+function getEnvLocale(env = process.env) {
+	return env.LC_ALL || env.LC_MESSAGES || env.LANG || env.LANGUAGE;
+}
+
+function parseLocale(string) {
+	const env = string.split('\n').reduce((env, def) => {
+		const [key, value] = def.split('=');
+		env[key] = value.replace(/^"|"$/g, '');
+		return env;
+	}, {});
+
+	return getEnvLocale(env);
+}
+
+function getLocale(string) {
+	return (string && string.replace(/[.:].*/, ''));
+}
+
+function getLocales() {
+	return execa.stdout('locale', ['-a']);
+}
+
+function getLocalesSync() {
+	return execa.sync('locale', ['-a']).stdout;
+}
+
+function getSupportedLocale(locale, locales = '') {
+	return locales.includes(locale) ? locale : defaultLocale;
+}
+
+function getAppleLocale() {
+	return Promise.all([
+		execa.stdout('defaults', ['read', '-globalDomain', 'AppleLocale']),
+		getLocales()
+	]).then(results => getSupportedLocale(results[0], results[1]));
+}
+
+function getAppleLocaleSync() {
+	return getSupportedLocale(
+		execa.sync('defaults', ['read', '-globalDomain', 'AppleLocale']).stdout,
+		getLocalesSync()
+	);
+}
+
+function getUnixLocale() {
+	if (process.platform === 'darwin') {
+		return getAppleLocale();
+	}
+
+	return execa.stdout('locale')
+		.then(stdout => getLocale(parseLocale(stdout)));
+}
+
+function getUnixLocaleSync() {
+	if (process.platform === 'darwin') {
+		return getAppleLocaleSync();
+	}
+
+	return getLocale(parseLocale(execa.sync('locale').stdout));
+}
+
+function getWinLocale() {
+	return execa.stdout('wmic', ['os', 'get', 'locale'])
+		.then(stdout => {
+			const lcidCode = parseInt(stdout.replace('Locale', ''), 16);
+			return lcid.from(lcidCode);
+		});
+}
+
+function getWinLocaleSync() {
+	const {stdout} = execa.sync('wmic', ['os', 'get', 'locale']);
+	const lcidCode = parseInt(stdout.replace('Locale', ''), 16);
+	return lcid.from(lcidCode);
+}
+
+module.exports = mem((options = defaultOptions) => {
+	const envLocale = getEnvLocale();
+
+	let thenable;
+	if (envLocale || options.spawn === false) {
+		thenable = Promise.resolve(getLocale(envLocale));
+	} else if (process.platform === 'win32') {
+		thenable = getWinLocale();
+	} else {
+		thenable = getUnixLocale();
+	}
+
+	return thenable
+		.then(locale => locale || defaultLocale)
+		.catch(() => defaultLocale);
+});
+
+module.exports.sync = mem((options = defaultOptions) => {
+	const envLocale = getEnvLocale();
+
+	let res;
+	if (envLocale || options.spawn === false) {
+		res = getLocale(envLocale);
+	} else {
+		try {
+			res = process.platform === 'win32' ? getWinLocaleSync() : getUnixLocaleSync();
+		} catch (_) {}
+	}
+
+	return res || defaultLocale;
+});