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