import { compile , PathFunction } from 'path-to-regexp' ; const cache = { } ; const cacheLimit = 10000 ; let cacheCount = 0 ; function compilePath ( path ) { if ( cache [ path ] ) return cache [ path ] ; const generator = compile ( path ) ; if ( cacheCount < cacheLimit ) { cache [ path ] = generator ; cacheCount ++ ; } return generator ; } /**
 * Public API for generating a URL pathname from a path and parameters.
 */ export default function generatePath ( path = '/' , params = { } ) { return path === '/' ? path : compilePath ( path ) ( params ) ; }