// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// This module is browser compatible.
export function _format(sep, pathObject) {
    const dir = pathObject.dir || pathObject.root;
    const base = pathObject.base ||
        (pathObject.name ?? "") + (pathObject.ext ?? "");
    if (!dir)
        return base;
    if (base === sep)
        return dir;
    if (dir === pathObject.root)
        return dir + base;
    return dir + sep + base;
}
export function assertArg(pathObject) {
    if (pathObject === null || typeof pathObject !== "object") {
        throw new TypeError(`The "pathObject" argument must be of type Object, received type "${typeof pathObject}"`);
    }
}
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