frontend/node_modules/next/dist/esm/server/request/fallback-params.js

import { getRouteMatcher } from '../../shared/lib/router/utils/route-matcher';
import { getRouteRegex } from '../../shared/lib/router/utils/route-regex';
function getParamKeys(page) {
    const pattern = getRouteRegex(page);
    const matcher = getRouteMatcher(pattern);
    // Get the default list of allowed params.
    return Object.keys(matcher(page));
}
export function getFallbackRouteParams(pageOrKeys) {
    let keys;
    if (typeof pageOrKeys === 'string') {
        keys = getParamKeys(pageOrKeys);
    } else {
        keys = pageOrKeys;
    }
    // If there are no keys, we can return early.
    if (keys.length === 0) return null;
    const params = new Map();
    // As we're creating unique keys for each of the dynamic route params, we only
    // need to generate a unique ID once per request because each of the keys will
    // be also be unique.
    const uniqueID = Math.random().toString(16).slice(2);
    for (const key of keys){
        params.set(key, `%%drp:${key}:${uniqueID}%%`);
    }
    return params;
}

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