next/dist/esm/shared/lib/router/utils/route-matcher.js

The React Framework

import { DecodeError } from '../../utils';
export function getRouteMatcher(param) {
    let { re, groups } = param;
    return (pathname)=>{
        const routeMatch = re.exec(pathname);
        if (!routeMatch) return false;
        const decode = (param)=>{
            try {
                return decodeURIComponent(param);
            } catch (e) {
                throw Object.defineProperty(new DecodeError('failed to decode param'), "__NEXT_ERROR_CODE", {
                    value: "E528",
                    enumerable: false,
                    configurable: true
                });
            }
        };
        const params = {};
        for (const [key, group] of Object.entries(groups)){
            const match = routeMatch[group.pos];
            if (match !== undefined) {
                if (group.repeat) {
                    params[key] = match.split('/').map((entry)=>decode(entry));
                } else {
                    params[key] = decode(match);
                }
            }
        }
        return params;
    };
}

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