@oazmi/build-tools/esm/deps/jsr.io/@std/io/0.225.2/_common.js

general deno build tool scripts which I practically use in all of my typescript repos

// Copyright 2018-2025 the Deno authors. MIT license.
// This module is browser compatible.
export function isCloser(value) {
    return typeof value === "object" && value !== null && value !== undefined &&
        "close" in value &&
        // deno-lint-ignore no-explicit-any
        typeof value["close"] === "function";
}