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  1. {"ast":null,"code":"import pathToRegexp from \"path-to-regexp\";\nvar patternCache = {};\nvar cacheLimit = 10000;\nvar cacheCount = 0;\n\nvar compilePath = function compilePath(pattern, options) {\n var cacheKey = \"\" + options.end + options.strict + options.sensitive;\n var cache = patternCache[cacheKey] || (patternCache[cacheKey] = {});\n if (cache[pattern]) return cache[pattern];\n var keys = [];\n var re = pathToRegexp(pattern, keys, options);\n var compiledPattern = {\n re: re,\n keys: keys\n };\n\n if (cacheCount < cacheLimit) {\n cache[pattern] = compiledPattern;\n cacheCount++;\n }\n\n return compiledPattern;\n};\n/**\n * Public API for matching a URL pathname to a path pattern.\n */\n\n\nvar matchPath = function matchPath(pathname) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var parent = arguments[2];\n if (typeof options === \"string\") options = {\n path: options\n };\n var _options = options,\n path = _options.path,\n _options$exact = _options.exact,\n exact = _options$exact === undefined ? false : _options$exact,\n _options$strict = _options.strict,\n strict = _options$strict === undefined ? false : _options$strict,\n _options$sensitive = _options.sensitive,\n sensitive = _options$sensitive === undefined ? false : _options$sensitive;\n if (path == null) return parent;\n\n var _compilePath = compilePath(path, {\n end: exact,\n strict: strict,\n sensitive: sensitive\n }),\n re = _compilePath.re,\n keys = _compilePath.keys;\n\n var match = re.exec(pathname);\n if (!match) return null;\n var url = match[0],\n values = match.slice(1);\n var isExact = pathname === url;\n if (exact && !isExact) return null;\n return {\n path: path,\n // the path pattern used to match\n url: path === \"/\" && url === \"\" ? \"/\" : url,\n // the matched portion of the URL\n isExact: isExact,\n // whether or not we matched exactly\n params: keys.reduce(function (memo, key, index) {\n memo[key.name] = values[index];\n return memo;\n }, {})\n };\n};\n\nexport default matchPath;","map":null,"metadata":{},"sourceType":"module"}