24 lines
977 B
TypeScript
24 lines
977 B
TypeScript
// SPDX-FileCopyrightText: 2021 Johannes Loher
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//
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// SPDX-License-Identifier: MIT
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import { getGameSafe } from "./helpers";
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/**
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* Tests if the given `value` is truthy.
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*
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* If it is not truthy, an {@link Error} is thrown, which depends on the given `message` parameter:
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* - If `message` is a string`, it is used to construct a new {@link Error} which then is thrown.
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* - If `message` is an instance of {@link Error}, it is thrown.
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* - If `message` is `undefined`, an {@link Error} with a default message is thrown.
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*/
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export function enforce(value: unknown, message?: string | Error): asserts value {
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if (!value) {
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if (!message) {
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message =
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getGameSafe()?.i18n.localize("DS4.ErrorUnexpectedError") ??
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"There was an unexpected error in the Dungeonslayers 4 system. For more details, please take a look at the console (F12).";
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}
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throw message instanceof Error ? message : new Error(message);
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}
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}
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