10 lines
336 B
TypeScript
10 lines
336 B
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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import { AssertionError } from "./assertion_error.ts";
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/** Make an assertion, error will be thrown if `expr` does not have truthy value. */
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export function assert(expr: unknown, msg = ""): asserts expr {
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if (!expr) {
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throw new AssertionError(msg);
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}
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}
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