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12 lines
429 B
TypeScript
12 lines
429 B
TypeScript
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// This module is browser compatible.
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import type { Closer } from "./types.ts";
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export function isCloser(value: unknown): value is Closer {
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return typeof value === "object" && value !== null && value !== undefined &&
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"close" in value &&
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// deno-lint-ignore no-explicit-any
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typeof (value as Record<string, any>)["close"] === "function";
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}
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