Source code
Revision control
Copy as Markdown
Other Tools
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
/**
* Wrapper over FluentReact. It encapsulates instantiation of the localization
* bundles, and offers a simpler way of accessing `getString`.
*/
class FluentL10n {
/**
* Initializes the wrapper, generating the bundles for the given resource ids.
* It can optionally add the right attributes to the document element.
* @param {Array} resourceIds
* @param {Object} [options]
* @param {boolean} [options.setAttributesOnDocument]
*/
async init(resourceIds, { setAttributesOnDocument } = {}) {
if (setAttributesOnDocument) {
const primaryLocale = Services.locale.appLocalesAsBCP47[0];
document.documentElement.setAttribute("lang", primaryLocale);
const direction = Services.locale.isAppLocaleRTL ? "rtl" : "ltr";
document.documentElement.setAttribute("dir", direction);
}
const locales = Services.locale.appLocalesAsBCP47;
const generator = L10nRegistry.getInstance().generateBundles(
locales,
resourceIds
);
this._bundles = [];
for await (const bundle of generator) {
this._bundles.push(bundle);
}
this._reactLocalization = new FluentReact.ReactLocalization(this._bundles);
}
/**
* Returns the fluent bundles generated.
*/
getBundles() {
return this._bundles;
}
/**
* Returns the localized string for the provided id, formatted using args.
*/
getString(...args) {
// Forward arguments via .apply() so that the original method can:
// - perform asserts based on the number of arguments
// - add new arguments
return this._reactLocalization.getString.apply(
this._reactLocalization,
args
);
}
}
// Export the class
exports.FluentL10n = FluentL10n;