bcp47-validate/dist/index.js

Simple validator for BCP47 locale tags

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.validate = validate;
var pattern = exports.pattern = /^(?:(en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)|(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|zh-min|zh-min-nan|zh-xiang))$|^((?:[a-z]{2,3}(?:(?:-[a-z]{3}){1,3})?)|[a-z]{4}|[a-z]{5,8})(?:-([a-z]{4}))?(?:-([a-z]{2}|\d{3}))?((?:-(?:[\da-z]{5,8}|\d[\da-z]{3}))*)?((?:-[\da-wy-z](?:-[\da-z]{2,8})+)*)?(-x(?:-[\da-z]{1,8})+)?$|^(x(?:-[\da-z]{1,8})+)$/i; // eslint-disable-line max-len

/**
 * Validate a locale string to test if it is bcp47 compliant
 * @param {String} locale The tag locale to parse
 * @return {Boolean} True if tag is bcp47 compliant false otherwise
 */
function validate(locale) {
  if (typeof locale !== 'string') return false;
  return pattern.test(locale);
}
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