chore: import upstream snapshot with attribution
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wehub-resource-sync
@@ -0,0 +1,230 @@
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const fs = require("node:fs");
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const path = require("node:path");
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const helmet = require("helmet");
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const { JSDOM } = require("jsdom");
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const express = require("express");
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/**
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* Helper function to create a fresh Translator instance with DOM environment.
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* @returns {object} Object containing window and Translator
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*/
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function createTranslationTestEnvironment () {
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const translatorJs = fs.readFileSync(path.join(__dirname, "..", "..", "..", "js", "translator.js"), "utf-8");
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const dom = new JSDOM("", { url: "http://localhost:3001", runScripts: "outside-only" });
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dom.window.Log = { log: vi.fn(), error: vi.fn() };
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dom.window.fetch = fetch;
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dom.window.eval(translatorJs);
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return { window: dom.window, Translator: dom.window.Translator };
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}
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describe("Translator", () => {
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let server;
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const sockets = new Set();
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const translationTestData = JSON.parse(fs.readFileSync(path.join(__dirname, "..", "..", "..", "tests", "mocks", "translation_test.json"), "utf8"));
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beforeAll(() => {
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const app = express();
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app.use(helmet());
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app.use((req, res, next) => {
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res.header("Access-Control-Allow-Origin", "*");
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next();
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});
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app.use("/translations", express.static(path.join(__dirname, "..", "..", "..", "tests", "mocks")));
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server = app.listen(3001);
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server.on("connection", (socket) => {
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sockets.add(socket);
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});
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});
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afterAll(async () => {
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for (const socket of sockets) {
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socket.destroy();
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sockets.delete(socket);
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}
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await server.close();
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});
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describe("translate", () => {
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const translations = {
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"MMM-Module": {
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Hello: "Hallo",
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"Hello {username}": "Hallo {username}"
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}
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};
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const coreTranslations = {
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Hello: "XXX",
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"Hello {username}": "XXX",
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FOO: "Foo",
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"BAR {something}": "Bar {something}"
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};
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const translationsFallback = {
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"MMM-Module": {
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Hello: "XXX",
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"Hello {username}": "XXX",
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FOO: "XXX",
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"BAR {something}": "XXX",
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"A key": "A translation"
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}
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};
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const coreTranslationsFallback = {
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FOO: "XXX",
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"BAR {something}": "XXX",
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Hello: "XXX",
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"Hello {username}": "XXX",
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"A key": "XXX",
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Fallback: "core fallback"
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};
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/**
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* @param {object} Translator the global Translator object
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*/
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const setTranslations = (Translator) => {
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Translator.translations = translations;
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Translator.coreTranslations = coreTranslations;
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Translator.translationsFallback = translationsFallback;
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Translator.coreTranslationsFallback = coreTranslationsFallback;
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};
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it("should return custom module translation", () => {
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const { Translator } = createTranslationTestEnvironment();
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setTranslations(Translator);
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let translation = Translator.translate({ name: "MMM-Module" }, "Hello");
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expect(translation).toBe("Hallo");
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translation = Translator.translate({ name: "MMM-Module" }, "Hello {username}", { username: "fewieden" });
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expect(translation).toBe("Hallo fewieden");
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});
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it("should return core translation", () => {
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const { Translator } = createTranslationTestEnvironment();
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setTranslations(Translator);
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let translation = Translator.translate({ name: "MMM-Module" }, "FOO");
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expect(translation).toBe("Foo");
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translation = Translator.translate({ name: "MMM-Module" }, "BAR {something}", { something: "Lorem Ipsum" });
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expect(translation).toBe("Bar Lorem Ipsum");
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});
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it("should return custom module translation fallback", () => {
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const { Translator } = createTranslationTestEnvironment();
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setTranslations(Translator);
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const translation = Translator.translate({ name: "MMM-Module" }, "A key");
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expect(translation).toBe("A translation");
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});
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it("should return core translation fallback", () => {
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const { Translator } = createTranslationTestEnvironment();
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setTranslations(Translator);
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const translation = Translator.translate({ name: "MMM-Module" }, "Fallback");
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expect(translation).toBe("core fallback");
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});
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it("should return translation with placeholder for missing variables", () => {
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const { Translator } = createTranslationTestEnvironment();
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setTranslations(Translator);
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const translation = Translator.translate({ name: "MMM-Module" }, "Hello {username}");
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expect(translation).toBe("Hallo {username}");
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});
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it("should return key if no translation was found", () => {
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const { Translator } = createTranslationTestEnvironment();
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setTranslations(Translator);
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const translation = Translator.translate({ name: "MMM-Module" }, "MISSING");
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expect(translation).toBe("MISSING");
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});
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});
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describe("load", () => {
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const mmm = {
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name: "TranslationTest",
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file (file) {
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return `http://localhost:3001/translations/${file}`;
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}
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};
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it("should load translations", async () => {
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const { Translator } = createTranslationTestEnvironment();
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const file = "translation_test.json";
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await Translator.load(mmm, file, false);
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const json = JSON.parse(fs.readFileSync(path.join(__dirname, "..", "..", "..", "tests", "mocks", file), "utf8"));
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expect(Translator.translations[mmm.name]).toEqual(json);
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});
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it("should load translation fallbacks", async () => {
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const { Translator } = createTranslationTestEnvironment();
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const file = "translation_test.json";
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await Translator.load(mmm, file, true);
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const json = JSON.parse(fs.readFileSync(path.join(__dirname, "..", "..", "..", "tests", "mocks", file), "utf8"));
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expect(Translator.translationsFallback[mmm.name]).toEqual(json);
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});
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it("should not load translations, if module fallback exists", async () => {
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const { Translator } = createTranslationTestEnvironment();
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const file = "translation_test.json";
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Translator.translationsFallback[mmm.name] = {
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Hello: "Hallo"
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};
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await Translator.load(mmm, file, false);
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expect(Translator.translations[mmm.name]).toBeUndefined();
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expect(Translator.translationsFallback[mmm.name]).toEqual({
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Hello: "Hallo"
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});
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});
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});
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describe("loadCoreTranslations", () => {
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it("should load core translations and fallback", async () => {
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const { window, Translator } = createTranslationTestEnvironment();
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window.translations = { en: "http://localhost:3001/translations/translation_test.json" };
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await Translator.loadCoreTranslations("en");
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const en = translationTestData;
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expect(Translator.coreTranslations).toEqual(en);
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expect(Translator.coreTranslationsFallback).toEqual(en);
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});
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it("should load core fallback if language cannot be found", async () => {
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const { window, Translator } = createTranslationTestEnvironment();
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window.translations = { en: "http://localhost:3001/translations/translation_test.json" };
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await Translator.loadCoreTranslations("MISSINGLANG");
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const en = translationTestData;
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expect(Translator.coreTranslations).toEqual({});
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expect(Translator.coreTranslationsFallback).toEqual(en);
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});
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});
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describe("loadCoreTranslationsFallback", () => {
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it("should load core translations fallback", async () => {
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const { window, Translator } = createTranslationTestEnvironment();
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window.translations = { en: "http://localhost:3001/translations/translation_test.json" };
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await Translator.loadCoreTranslationsFallback();
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const en = translationTestData;
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expect(Translator.coreTranslationsFallback).toEqual(en);
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});
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it("should load core fallback if language cannot be found", async () => {
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const { window, Translator } = createTranslationTestEnvironment();
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window.translations = {};
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await Translator.loadCoreTranslations();
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expect(Translator.coreTranslationsFallback).toEqual({});
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});
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});
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});
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