import { parse, tokensToRegexp } from 'next/dist/compiled/path-to-regexp';
import { parse as parseURL } from 'url';
import isError from './is-error';
import { normalizeTokensForRegexp } from './route-pattern-normalizer';
/**
 * If there is an error show our error link but still show original error or
 * a formatted one if we can
 */ function reportError({ route, parsedPath }, err) {
    let errMatches;
    if (isError(err) && (errMatches = err.message.match(/at (\d{0,})/))) {
        const position = parseInt(errMatches[1], 10);
        console.error(`\nError parsing \`${route}\` ` + `https://nextjs.org/docs/messages/invalid-route-source\n` + `Reason: ${err.message}\n\n` + `  ${parsedPath}\n` + `  ${new Array(position).fill(' ').join('')}^\n`);
    } else {
        console.error(`\nError parsing ${route} https://nextjs.org/docs/messages/invalid-route-source`, err);
    }
}
/**
 * Safe wrapper around tokensToRegexp that handles path-to-regexp 6.3.0+ validation errors.
 */ function safeTokensToRegexp(tokens) {
    try {
        return tokensToRegexp(tokens);
    } catch (error) {
        if (isError(error)) {
            // Try to normalize tokens with repeating modifiers but no prefix/suffix
            const normalizedTokens = normalizeTokensForRegexp(tokens);
            return tokensToRegexp(normalizedTokens);
        }
        throw error;
    }
}
/**
 * Attempts to parse a given route with `path-to-regexp` and returns an object
 * with the result. Whenever an error happens on parse, it will print an error
 * attempting to find the error position and showing a link to the docs. When
 * `handleUrl` is set to `true` it will also attempt to parse the route
 * and use the resulting pathname to parse with `path-to-regexp`.
 */ export function tryToParsePath(route, options) {
    const result = {
        route,
        parsedPath: route
    };
    try {
        if (options == null ? void 0 : options.handleUrl) {
            const parsed = parseURL(route, true);
            result.parsedPath = `${parsed.pathname}${parsed.hash || ''}`;
        }
        result.tokens = parse(result.parsedPath);
        // Use safe wrapper instead of proactive detection
        if (result.tokens) {
            result.regexStr = safeTokensToRegexp(result.tokens).source;
        }
    } catch (err) {
        reportError(result, err);
        result.error = err;
    }
    return result;
}

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