h3/dist/path.mjs

Minimal H(TTP) framework built for high performance and portability.

import { normalizeRoute as normalizeRoute$1 } from "./response.mjs";
const DOT_SEGMENT_SRC = String.raw`(?:^|/)(?:\.|%(?:25)*2e){1,2}(?:/|$)`;
const ENCODED_SEP_SRC = String.raw`%(?:25)*(?:2f|5c)`;
const ENCODED_SEP_RE_G = /* @__PURE__ */ new RegExp(ENCODED_SEP_SRC, "gi");
const TRIGGER_RES = /* @__PURE__ */ (() => {
	const base = String.raw`\\|` + DOT_SEGMENT_SRC;
	return [
		new RegExp(base, "i"),
		new RegExp(`${base}|${ENCODED_SEP_SRC}`, "i"),
		new RegExp(`${base}|//`, "i"),
		new RegExp(`${base}|${ENCODED_SEP_SRC}|//`, "i")
	];
})();
const ENCODED_DOT_RE_G = /%(?:25)*2e/gi;
function resolveDotSegments(path, opts) {
	if (path[0] !== "/" || path[1] === "/" || path[1] === "\\") path = "/" + path.replace(/^[/\\]+/, "");
	if (isCanonicalPath(path, opts)) return path;
	const decodeSlashes = opts?.decodeSlashes;
	const mergeSlashes = opts?.mergeSlashes;
	let normalized = path.includes("\\") ? path.replaceAll("\\", "/") : path;
	if (decodeSlashes) normalized = normalized.replace(ENCODED_SEP_RE_G, "/");
	const segments = normalized.split("/");
	const lastIndex = segments.length - 1;
	const resolved = [];
	for (let i = 0; i <= lastIndex; i++) {
		const segment = segments[i];
		const normalizedSegment = segment.includes("%") ? segment.replace(ENCODED_DOT_RE_G, ".") : segment;
		const isDotSegment = normalizedSegment === "." || normalizedSegment === "..";
		if (normalizedSegment === "..") {
			if (resolved.length > 1) resolved.pop();
		} else if (mergeSlashes && normalizedSegment === "" && i > 0 && i < lastIndex) {} else if (!isDotSegment) resolved.push(segment);
		if (isDotSegment && i === lastIndex) resolved.push("");
	}
	return (resolved.join("/") || "/").replace(/^\/+/, "/");
}
function isCanonicalPath(path, opts) {
	return path[0] === "/" && path[1] !== "/" && path[1] !== "\\" && !TRIGGER_RES[(opts?.decodeSlashes ? 1 : 0) | (opts?.mergeSlashes ? 2 : 0)].test(path);
}
function normalizeRoute(route) {
	return normalizeRoute$1(route);
}
export { isCanonicalPath, normalizeRoute, resolveDotSegments };