fastify-redirect/dist/esm/utils.js

import { existsSync } from 'node:fs';
import { dirname, resolve as resolve$1 } from 'node:path';
import { fileURLToPath } from 'node:url';

const acceptLanguageRegex = /((([a-zA-Z]+(-[a-zA-Z0-9]+){0,2})|\*)(;q=[0-1](\.[0-9]+)?)?)*/g;
function parseAcceptLanguage(al) {
    if (!al)
        return [];
    const strings = al.match(acceptLanguageRegex);
    if (!strings)
        return [];
    return strings
        .map(function (m) {
        if (!m)
            return;
        const bits = m.split(";");
        const ietf = bits[0].split("-");
        let script = null;
        let region = null;
        if (ietf.length === 2) {
            if (ietf[1].length === 2) {
                region = ietf[1];
            }
            else {
                script = ietf[1];
            }
        }
        if (ietf.length === 3) {
            script = ietf[1];
            region = ietf[2];
        }
        return {
            language: ietf[0]?.toLowerCase(),
            script,
            region: region ? region.toUpperCase() : null,
            quality: bits[1] ? parseFloat(bits[1].split("=")[1]) : 1.0,
        };
    })
        .filter(function (r) {
        return !!r;
    })
        .sort(function (a, b) {
        return b.quality - a.quality;
    });
}
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
function findRootDir(dir = __dirname) {
    const packagePath = resolve$1(dir, "package.json");
    if (existsSync(packagePath)) {
        return dir;
    }
    const parentDir = resolve$1(dir, "..");
    if (parentDir === dir) {
        throw new Error("Could not find package.json");
    }
    return findRootDir(parentDir);
}
const __rootdir = findRootDir();
function resolve(...args) {
    return resolve$1(__rootdir, ...args);
}

export { __rootdir, findRootDir, parseAcceptLanguage, resolve };