import { assertArg } from "../_common/normalize.ts";import { normalizeString } from "../_common/normalize_string.ts";import { isPosixPathSeparator } from "./_util.ts";
export function normalize(path: string): string { assertArg(path);
const isAbsolute = isPosixPathSeparator(path.charCodeAt(0)); const trailingSeparator = isPosixPathSeparator( path.charCodeAt(path.length - 1), );
path = normalizeString(path, !isAbsolute, "/", isPosixPathSeparator);
if (path.length === 0 && !isAbsolute) path = "."; if (path.length > 0 && trailingSeparator) path += "/";
if (isAbsolute) return `/${path}`; return path;}