Use Intl for names of languages (#11427)

* Use Intl for names of languages

* Tweak Intl language style from "American English" -> "US English"

* Update tests

* Fix tests

* Consolidate languageHandler-test files

* Improve coverage

* Consistent casing for languages in dropdown

* Update LanguageDropdown.tsx

* Delint & update snapshot

* Fix tests

* Improve coverage

`of` will fallback to the given code with fallback=code (default)
This commit is contained in:
Michael Telatynski 2023-08-22 15:07:16 +01:00 committed by GitHub
parent 3684c77cfe
commit 4de315fb6c
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15 changed files with 304 additions and 193 deletions

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@ -1,10 +1,4 @@
{
"en": {
"fileName": "en_EN.json",
"label": "English"
},
"en-us": {
"fileName": "en_US.json",
"label": "English (US)"
}
"en": "en_EN.json",
"en-us": "en_US.json"
}

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@ -133,10 +133,12 @@ describe("General user settings tab", () => {
cy.findByRole("button", { name: "Language Dropdown" }).click();
// Assert that the default option is rendered and highlighted
cy.findByRole("option", { name: /Bahasa Indonesia/ })
cy.findByRole("option", { name: /Albanian/ })
.should("be.visible")
.should("have.class", "mx_Dropdown_option_highlight");
cy.findByRole("option", { name: /Deutsch/ }).should("be.visible");
// Click again to close the dropdown
cy.findByRole("button", { name: "Language Dropdown" }).click();

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@ -190,6 +190,7 @@
@import "./views/elements/_InteractiveTooltip.pcss";
@import "./views/elements/_InviteReason.pcss";
@import "./views/elements/_LabelledCheckbox.pcss";
@import "./views/elements/_LanguageDropdown.pcss";
@import "./views/elements/_MiniAvatarUploader.pcss";
@import "./views/elements/_Pill.pcss";
@import "./views/elements/_PowerSelector.pcss";

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@ -0,0 +1,21 @@
/*
Copyright 2023 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
.mx_LanguageDropdown {
.mx_Dropdown_option > div {
text-transform: capitalize;
}
}

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@ -70,7 +70,7 @@ export default class CountryDropdown extends React.Component<IProps, IState> {
const locale = new Intl.Locale(navigator.language ?? navigator.languages[0]);
const code = locale.region ?? locale.language ?? locale.baseName;
const displayNames = new Intl.DisplayNames(["en"], { type: "region" });
const displayName = displayNames.of(code)?.toUpperCase();
const displayName = displayNames.of(code)!.toUpperCase();
defaultCountry = COUNTRIES.find(
(c) => c.iso2 === code.toUpperCase() || c.name.toUpperCase() === displayName,
);

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@ -16,6 +16,7 @@ limitations under the License.
*/
import React, { ReactElement } from "react";
import classNames from "classnames";
import * as languageHandler from "../../../languageHandler";
import SettingsStore from "../../../settings/SettingsStore";
@ -24,9 +25,10 @@ import Spinner from "./Spinner";
import Dropdown from "./Dropdown";
import { NonEmptyArray } from "../../../@types/common";
type Languages = Awaited<ReturnType<typeof languageHandler.getAllLanguagesFromJson>>;
type Languages = Awaited<ReturnType<typeof languageHandler.getAllLanguagesWithLabels>>;
function languageMatchesSearchQuery(query: string, language: Languages[0]): boolean {
if (language.labelInTargetLanguage.toUpperCase().includes(query.toUpperCase())) return true;
if (language.label.toUpperCase().includes(query.toUpperCase())) return true;
if (language.value.toUpperCase() === query.toUpperCase()) return true;
return false;
@ -56,23 +58,30 @@ export default class LanguageDropdown extends React.Component<IProps, IState> {
public componentDidMount(): void {
languageHandler
.getAllLanguagesFromJson()
.getAllLanguagesWithLabels()
.then((langs) => {
langs.sort(function (a, b) {
if (a.label < b.label) return -1;
if (a.label > b.label) return 1;
if (a.labelInTargetLanguage < b.labelInTargetLanguage) return -1;
if (a.labelInTargetLanguage > b.labelInTargetLanguage) return 1;
return 0;
});
this.setState({ langs });
})
.catch(() => {
this.setState({ langs: [{ value: "en", label: "English" }] });
this.setState({
langs: [
{
value: "en",
label: "English",
labelInTargetLanguage: "English",
},
],
});
});
if (!this.props.value) {
// If no value is given, we start with the first
// country selected, but our parent component
// doesn't know this, therefore we do this.
// If no value is given, we start with the first country selected,
// but our parent component doesn't know this, therefore we do this.
const language = languageHandler.getUserLanguage();
this.props.onOptionChange(language);
}
@ -89,7 +98,7 @@ export default class LanguageDropdown extends React.Component<IProps, IState> {
return <Spinner />;
}
let displayedLanguages: Awaited<ReturnType<typeof languageHandler.getAllLanguagesFromJson>>;
let displayedLanguages: Awaited<ReturnType<typeof languageHandler.getAllLanguagesWithLabels>>;
if (this.state.searchQuery) {
displayedLanguages = this.state.langs.filter((lang) => {
return languageMatchesSearchQuery(this.state.searchQuery, lang);
@ -99,7 +108,7 @@ export default class LanguageDropdown extends React.Component<IProps, IState> {
}
const options = displayedLanguages.map((language) => {
return <div key={language.value}>{language.label}</div>;
return <div key={language.value}>{language.labelInTargetLanguage}</div>;
}) as NonEmptyArray<ReactElement & { key: string }>;
// default value here too, otherwise we need to handle null / undefined
@ -116,7 +125,7 @@ export default class LanguageDropdown extends React.Component<IProps, IState> {
return (
<Dropdown
id="mx_LanguageDropdown"
className={this.props.className}
className={classNames("mx_LanguageDropdown", this.props.className)}
onOptionChange={this.props.onOptionChange}
onSearchChange={this.onSearchChange}
searchEnabled={true}

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@ -19,12 +19,14 @@ import React, { ReactElement } from "react";
import Dropdown from "../../views/elements/Dropdown";
import PlatformPeg from "../../../PlatformPeg";
import SettingsStore from "../../../settings/SettingsStore";
import { _t } from "../../../languageHandler";
import { _t, getUserLanguage } from "../../../languageHandler";
import Spinner from "./Spinner";
import * as languageHandler from "../../../languageHandler";
import { NonEmptyArray } from "../../../@types/common";
type Languages = Awaited<ReturnType<typeof languageHandler.getAllLanguagesFromJson>>;
type Languages = {
value: string;
label: string; // translated
}[];
function languageMatchesSearchQuery(query: string, language: Languages[0]): boolean {
if (language.label.toUpperCase().includes(query.toUpperCase())) return true;
if (language.value.toUpperCase() === query.toUpperCase()) return true;
@ -58,6 +60,7 @@ export default class SpellCheckLanguagesDropdown extends React.Component<
public componentDidMount(): void {
const plaf = PlatformPeg.get();
if (plaf) {
const languageNames = new Intl.DisplayNames([getUserLanguage()], { type: "language", style: "short" });
plaf.getAvailableSpellCheckLanguages()
?.then((languages) => {
languages.sort(function (a, b) {
@ -68,7 +71,7 @@ export default class SpellCheckLanguagesDropdown extends React.Component<
const langs: Languages = [];
languages.forEach((language) => {
langs.push({
label: language,
label: languageNames.of(language)!,
value: language,
});
});
@ -79,7 +82,7 @@ export default class SpellCheckLanguagesDropdown extends React.Component<
languages: [
{
value: "en",
label: "English",
label: languageNames.of("en")!,
},
],
});

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@ -433,10 +433,7 @@ export function setMissingEntryGenerator(f: (value: string) => void): void {
}
type Languages = {
[lang: string]: {
fileName: string;
label: string;
};
[lang: string]: string;
};
export function setLanguage(preferredLangs: string | string[]): Promise<void> {
@ -467,7 +464,7 @@ export function setLanguage(preferredLangs: string | string[]): Promise<void> {
logger.error("Unable to find an appropriate language");
}
return getLanguageRetry(i18nFolder + availLangs[langToUse].fileName);
return getLanguageRetry(i18nFolder + availLangs[langToUse]);
})
.then(async (langData): Promise<ICounterpartTranslation | undefined> => {
counterpart.registerTranslations(langToUse, langData);
@ -481,7 +478,7 @@ export function setLanguage(preferredLangs: string | string[]): Promise<void> {
// Set 'en' as fallback language:
if (langToUse !== "en") {
return getLanguageRetry(i18nFolder + availLangs["en"].fileName);
return getLanguageRetry(i18nFolder + availLangs["en"]);
}
})
.then(async (langData): Promise<void> => {
@ -492,21 +489,23 @@ export function setLanguage(preferredLangs: string | string[]): Promise<void> {
type Language = {
value: string;
label: string;
label: string; // translated
labelInTargetLanguage: string; // translated
};
export function getAllLanguagesFromJson(): Promise<Language[]> {
return getLangsJson().then((langsObject) => {
const langs: Language[] = [];
for (const langKey in langsObject) {
if (langsObject.hasOwnProperty(langKey)) {
langs.push({
value: langKey,
label: langsObject[langKey].label,
});
}
}
return langs;
export async function getAllLanguagesFromJson(): Promise<string[]> {
return Object.keys(await getLangsJson());
}
export async function getAllLanguagesWithLabels(): Promise<Language[]> {
const languageNames = new Intl.DisplayNames([getUserLanguage()], { type: "language", style: "short" });
const languages = await getAllLanguagesFromJson();
return languages.map<Language>((langKey) => {
return {
value: langKey,
label: languageNames.of(langKey)!,
labelInTargetLanguage: new Intl.DisplayNames([langKey], { type: "language", style: "short" }).of(langKey)!,
};
});
}

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@ -37,7 +37,7 @@ exports[`<MatrixChat /> with a soft-logged-out session should show the soft-logo
Matrix
</aside>
<div
class="mx_Dropdown mx_AuthBody_language"
class="mx_Dropdown mx_LanguageDropdown mx_AuthBody_language"
>
<div
aria-describedby="mx_LanguageDropdown_value"

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@ -0,0 +1,38 @@
/*
Copyright 2023 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import React from "react";
import { render, screen, waitForElementToBeRemoved } from "@testing-library/react";
import SpellCheckLanguagesDropdown from "../../../../src/components/views/elements/SpellCheckLanguagesDropdown";
import PlatformPeg from "../../../../src/PlatformPeg";
describe("<SpellCheckLanguagesDropdown />", () => {
it("renders as expected", async () => {
const platform: any = { getAvailableSpellCheckLanguages: jest.fn().mockResolvedValue(["en", "de", "qq"]) };
PlatformPeg.set(platform);
const { asFragment } = render(
<SpellCheckLanguagesDropdown
className="mx_GeneralUserSettingsTab_spellCheckLanguageInput"
value="en"
onOptionChange={jest.fn()}
/>,
);
await waitForElementToBeRemoved(() => screen.queryAllByLabelText("Loading…"));
expect(asFragment()).toMatchSnapshot();
});
});

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@ -0,0 +1,32 @@
// Jest Snapshot v1, https://goo.gl/fbAQLP
exports[`<SpellCheckLanguagesDropdown /> renders as expected 1`] = `
<DocumentFragment>
<div
class="mx_Dropdown mx_GeneralUserSettingsTab_spellCheckLanguageInput"
>
<div
aria-describedby="mx_LanguageDropdown_value"
aria-expanded="false"
aria-haspopup="listbox"
aria-label="Language Dropdown"
aria-owns="mx_LanguageDropdown_input"
class="mx_AccessibleButton mx_Dropdown_input mx_no_textinput"
role="button"
tabindex="0"
>
<div
class="mx_Dropdown_option"
id="mx_LanguageDropdown_value"
>
<div>
English
</div>
</div>
<span
class="mx_Dropdown_arrow"
/>
</div>
</div>
</DocumentFragment>
`;

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@ -1,6 +1,3 @@
{
"en": {
"fileName": "en_EN.json",
"label": "English"
}
"en": "en_EN.json"
}

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@ -1,121 +0,0 @@
/*
Copyright 2022 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import SdkConfig from "../src/SdkConfig";
import {
_t,
CustomTranslationOptions,
ICustomTranslations,
registerCustomTranslations,
setLanguage,
UserFriendlyError,
} from "../src/languageHandler";
async function setupTranslationOverridesForTests(overrides: ICustomTranslations) {
const lookupUrl = "/translations.json";
const fn = (url: string): ICustomTranslations => {
expect(url).toEqual(lookupUrl);
return overrides;
};
SdkConfig.add({
custom_translations_url: lookupUrl,
});
CustomTranslationOptions.lookupFn = fn;
await registerCustomTranslations({
testOnlyIgnoreCustomTranslationsCache: true,
});
}
describe("languageHandler", () => {
afterEach(() => {
SdkConfig.reset();
CustomTranslationOptions.lookupFn = undefined;
});
it("should support overriding translations", async () => {
const str = "This is a test string that does not exist in the app.";
const enOverride = "This is the English version of a custom string.";
const deOverride = "This is the German version of a custom string.";
// First test that overrides aren't being used
await setLanguage("en");
expect(_t(str)).toEqual(str);
await setLanguage("de");
expect(_t(str)).toEqual(str);
await setupTranslationOverridesForTests({
[str]: {
en: enOverride,
de: deOverride,
},
});
// Now test that they *are* being used
await setLanguage("en");
expect(_t(str)).toEqual(enOverride);
await setLanguage("de");
expect(_t(str)).toEqual(deOverride);
});
describe("UserFriendlyError", () => {
const testErrorMessage = "This email address is already in use (%(email)s)";
beforeEach(async () => {
// Setup some strings with variable substituations that we can use in the tests.
const deOverride = "Diese E-Mail-Adresse wird bereits verwendet (%(email)s)";
await setupTranslationOverridesForTests({
[testErrorMessage]: {
en: testErrorMessage,
de: deOverride,
},
});
});
it("includes English message and localized translated message", async () => {
await setLanguage("de");
const friendlyError = new UserFriendlyError(testErrorMessage, {
email: "test@example.com",
cause: undefined,
});
// Ensure message is in English so it's readable in the logs
expect(friendlyError.message).toStrictEqual("This email address is already in use (test@example.com)");
// Ensure the translated message is localized appropriately
expect(friendlyError.translatedMessage).toStrictEqual(
"Diese E-Mail-Adresse wird bereits verwendet (test@example.com)",
);
});
it("includes underlying cause error", async () => {
await setLanguage("de");
const underlyingError = new Error("Fake underlying error");
const friendlyError = new UserFriendlyError(testErrorMessage, {
email: "test@example.com",
cause: underlyingError,
});
expect(friendlyError.cause).toStrictEqual(underlyingError);
});
it("ok to omit the substitution variables and cause object, there just won't be any cause", async () => {
const friendlyError = new UserFriendlyError("foo error");
expect(friendlyError.cause).toBeUndefined();
});
});
});

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@ -15,18 +15,160 @@ limitations under the License.
*/
import React from "react";
import fetchMock from "fetch-mock-jest";
import SdkConfig from "../src/SdkConfig";
import {
_t,
_tDom,
TranslatedString,
CustomTranslationOptions,
getAllLanguagesWithLabels,
ICustomTranslations,
registerCustomTranslations,
setLanguage,
setMissingEntryGenerator,
substitute,
} from "../../src/languageHandler";
import { stubClient } from "../test-utils";
TranslatedString,
UserFriendlyError,
} from "../src/languageHandler";
import { stubClient } from "./test-utils";
import { setupLanguageMock } from "./setup/setupLanguage";
describe("languageHandler", function () {
async function setupTranslationOverridesForTests(overrides: ICustomTranslations) {
const lookupUrl = "/translations.json";
const fn = (url: string): ICustomTranslations => {
expect(url).toEqual(lookupUrl);
return overrides;
};
SdkConfig.add({
custom_translations_url: lookupUrl,
});
CustomTranslationOptions.lookupFn = fn;
await registerCustomTranslations({
testOnlyIgnoreCustomTranslationsCache: true,
});
}
describe("languageHandler", () => {
beforeEach(async () => {
await setLanguage("en");
});
afterEach(() => {
SdkConfig.reset();
CustomTranslationOptions.lookupFn = undefined;
});
it("should support overriding translations", async () => {
const str = "This is a test string that does not exist in the app.";
const enOverride = "This is the English version of a custom string.";
const deOverride = "This is the German version of a custom string.";
// First test that overrides aren't being used
await setLanguage("en");
expect(_t(str)).toEqual(str);
await setLanguage("de");
expect(_t(str)).toEqual(str);
await setupTranslationOverridesForTests({
[str]: {
en: enOverride,
de: deOverride,
},
});
// Now test that they *are* being used
await setLanguage("en");
expect(_t(str)).toEqual(enOverride);
await setLanguage("de");
expect(_t(str)).toEqual(deOverride);
});
describe("UserFriendlyError", () => {
const testErrorMessage = "This email address is already in use (%(email)s)";
beforeEach(async () => {
// Setup some strings with variable substituations that we can use in the tests.
const deOverride = "Diese E-Mail-Adresse wird bereits verwendet (%(email)s)";
await setupTranslationOverridesForTests({
[testErrorMessage]: {
en: testErrorMessage,
de: deOverride,
},
});
});
it("includes English message and localized translated message", async () => {
await setLanguage("de");
const friendlyError = new UserFriendlyError(testErrorMessage, {
email: "test@example.com",
cause: undefined,
});
// Ensure message is in English so it's readable in the logs
expect(friendlyError.message).toStrictEqual("This email address is already in use (test@example.com)");
// Ensure the translated message is localized appropriately
expect(friendlyError.translatedMessage).toStrictEqual(
"Diese E-Mail-Adresse wird bereits verwendet (test@example.com)",
);
});
it("includes underlying cause error", async () => {
await setLanguage("de");
const underlyingError = new Error("Fake underlying error");
const friendlyError = new UserFriendlyError(testErrorMessage, {
email: "test@example.com",
cause: underlyingError,
});
expect(friendlyError.cause).toStrictEqual(underlyingError);
});
it("ok to omit the substitution variables and cause object, there just won't be any cause", async () => {
const friendlyError = new UserFriendlyError("foo error");
expect(friendlyError.cause).toBeUndefined();
});
});
describe("getAllLanguagesWithLabels", () => {
it("should handle unknown language sanely", async () => {
fetchMock.getOnce(
"/i18n/languages.json",
{
en: "en_EN.json",
de: "de_DE.json",
qq: "qq.json",
},
{ overwriteRoutes: true },
);
await expect(getAllLanguagesWithLabels()).resolves.toMatchInlineSnapshot(`
[
{
"label": "English",
"labelInTargetLanguage": "English",
"value": "en",
},
{
"label": "German",
"labelInTargetLanguage": "Deutsch",
"value": "de",
},
{
"label": "qq",
"labelInTargetLanguage": "qq",
"value": "qq",
},
]
`);
setupLanguageMock(); // restore language mock
});
});
});
describe("languageHandler JSX", function () {
// See setupLanguage.ts for how we are stubbing out translations to provide fixture data for these tests
const basicString = "Rooms";
const selfClosingTagSub = "Accept <policyLink /> to continue:";

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@ -32,24 +32,18 @@ const lv = {
// de_DE.json
// lv.json - mock version with few translations, used to test fallback translation
fetchMock
.get("/i18n/languages.json", {
en: {
fileName: "en_EN.json",
label: "English",
},
de: {
fileName: "de_DE.json",
label: "German",
},
lv: {
fileName: "lv.json",
label: "Latvian",
},
})
.get("end:en_EN.json", en)
.get("end:de_DE.json", de)
.get("end:lv.json", lv);
export function setupLanguageMock() {
fetchMock
.get("/i18n/languages.json", {
en: "en_EN.json",
de: "de_DE.json",
lv: "lv.json",
})
.get("end:en_EN.json", en)
.get("end:de_DE.json", de)
.get("end:lv.json", lv);
}
setupLanguageMock();
languageHandler.setLanguage("en");
languageHandler.setMissingEntryGenerator((key) => key.split("|", 2)[1]);