@oazmi/build-tools/esm/deps/jsr.io/@std/path/0.225.2/posix/join.js

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

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// This module is browser compatible.
import { assertPath } from "../_common/assert_path.js";
import { normalize } from "./normalize.js";
/**
 * Join all given a sequence of `paths`,then normalizes the resulting path.
 *
 * @example Usage
 * ```ts
 * import { join } from "@std/path/posix/join";
 * import { assertEquals } from "@std/assert/assert-equals";
 *
 * const path = join("/foo", "bar", "baz/asdf", "quux", "..");
 * assertEquals(path, "/foo/bar/baz/asdf");
 * ```
 *
 * @param paths The paths to join.
 * @returns The joined path.
 */
export function join(...paths) {
    if (paths.length === 0)
        return ".";
    let joined;
    for (let i = 0; i < paths.length; ++i) {
        const path = paths[i];
        assertPath(path);
        if (path.length > 0) {
            if (!joined)
                joined = path;
            else
                joined += `/${path}`;
        }
    }
    if (!joined)
        return ".";
    return normalize(joined);
}