@boost/translate
Version:
Package and application level translations made easy.
91 lines (89 loc) • 5.16 kB
JavaScript
const _excluded = ["interpolation", "locale"];
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
import { createInstance } from 'i18next';
import { toArray, Path } from '@boost/common';
import { debug } from './debug.mjs';
import { FileBackend } from './FileBackend.mjs';
import { LocaleDetector } from './LocaleDetector.mjs';
import { TranslateError } from './TranslateError.mjs';
/**
* Create and return a `Translator` instance with the defined namespace.
* A list of resource paths are required for locating translation files.
*/
async function createTranslator(namespace, resourcePath, options = {}) {
const _options$autoDetect = options.autoDetect,
autoDetect = _options$autoDetect === void 0 ? true : _options$autoDetect,
_options$debug = options.debug,
debugOpt = _options$debug === void 0 ? false : _options$debug,
_options$fallbackLoca = options.fallbackLocale,
fallbackLocale = _options$fallbackLoca === void 0 ? 'en' : _options$fallbackLoca,
locale = options.locale,
_options$lookupType = options.lookupType,
lookupType = _options$lookupType === void 0 ? 'all' : _options$lookupType,
_options$resourceForm = options.resourceFormat,
resourceFormat = _options$resourceForm === void 0 ? 'yaml' : _options$resourceForm;
const namespaces = toArray(namespace);
const resourcePaths = toArray(resourcePath).map(Path.create);
if (namespaces.length === 0) {
throw new TranslateError('NAMESPACE_REQUIRED');
} else if (resourcePaths.length === 0) {
throw new TranslateError('RESOURCES_REQUIRED');
} else if (!autoDetect && !locale) {
throw new TranslateError('LOCALE_REQUIRED');
}
debug('New translator created: %s namespace(s)', namespaces.join(', '));
const translator = createInstance().use(new FileBackend());
if (autoDetect) {
translator.use(new LocaleDetector());
}
await translator.init({
backend: {
format: resourceFormat,
paths: resourcePaths
},
cleanCode: true,
debug: debugOpt,
defaultNS: namespaces[0],
fallbackLng: fallbackLocale,
initImmediate: false,
lng: locale,
load: lookupType,
lowerCaseLng: false,
ns: namespaces,
returnEmptyString: true,
returnNull: true
});
function msg(key, params, _ref = {}) {
let interpolation = _ref.interpolation,
lng = _ref.locale,
opts = _objectWithoutProperties(_ref, _excluded);
return translator.t(key, _objectSpread(_objectSpread({
interpolation: _objectSpread({
escapeValue: false
}, interpolation)
}, opts), {}, {
lng,
replace: params
}));
}
msg.direction = translator.dir();
msg.locale = translator.language;
msg.changeLocale = async lang => {
debug('Locale manually changed to "%s"', lang);
await translator.changeLanguage(lang);
msg.direction = translator.dir();
msg.locale = translator.language;
};
if (process.env.NODE_ENV === 'test') {
msg.i18n = translator;
}
return msg;
}
export { createTranslator };
//# sourceMappingURL=createTranslator.mjs.map