Haketilo

const proto_regex = /^(\w+):\/\/(.*)$/;

const domain_re = "[^/?#]+";

const path_re = "[^?#]*";

const query_re = "\\??[^#]*";

const file_regex = new RegExp(`^(${path_re}).*`);

function deconstruct_url(url)

{

    const proto_match = proto_regex.exec(url);

    if (deco.proto === "file") {

	deco.path = file_regex.exec(proto_match[2])[1];

    } else {

	const http_match = http_regex.exec(proto_match[2]);

	if (!http_match)

	    return undefined;

	[deco.domain, deco.path, deco.query] = http_match.slice(1, 4);

    }

    const leading_dash = deco.path[0] === "/";

    deco.trailing_dash = deco.path[deco.path.length - 1] === "/";

    deco.path = deco.path.split("/").filter(s => s !== "");

	    document.cookie = `hachette-${signature}=; Max-Age=-1;`;

    } else {

	const scheme = /^([^:]*)/.exec(document.URL)[1];

	if (!known_scheme)

	    console.warn(`Unknown url scheme: \`${scheme}'!`);