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15 lines
405 B
TypeScript
15 lines
405 B
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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export class DenoStdInternalError extends Error {
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constructor(message: string) {
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super(message);
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this.name = "DenoStdInternalError";
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}
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}
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/** Make an assertion, if not `true`, then throw. */
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export function assert(expr: unknown, msg = ""): asserts expr {
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if (!expr) {
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throw new DenoStdInternalError(msg);
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}
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}
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