element-web/test/test-utils/date.ts
David Langley 491f0cd08a
Change license (#13)
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2024-09-09 13:57:16 +00:00

27 lines
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TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2022 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
export const REPEATABLE_DATE = new Date(2022, 10, 17, 16, 58, 32, 517);
// allow setting default locale and set timezone
// defaults to en-GB / Europe/London
// so tests run the same everywhere
export const mockIntlDateTimeFormat = (defaultLocale = "en-GB", defaultTimezone = "Europe/London"): void => {
// unmock so we can use real DateTimeFormat in mockImplementation
if (jest.isMockFunction(global.Intl.DateTimeFormat)) {
unmockIntlDateTimeFormat();
}
const DateTimeFormat = Intl.DateTimeFormat;
jest.spyOn(global.Intl, "DateTimeFormat").mockImplementation(
(locale, options) => new DateTimeFormat(locale || defaultLocale, { ...options, timeZone: defaultTimezone }),
);
};
export const unmockIntlDateTimeFormat = (): void => {
jest.spyOn(global.Intl, "DateTimeFormat").mockRestore();
};