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build/node_modules/sw-toolbox/lib/route.js

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+/*
+  Copyright 2014 Google Inc. All Rights Reserved.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+'use strict';
+
+// TODO: Use self.registration.scope instead of self.location
+var url = new URL('./', self.location);
+var basePath = url.pathname;
+var pathRegexp = require('path-to-regexp');
+
+var Route = function(method, path, handler, options) {
+  if (path instanceof RegExp) {
+    this.fullUrlRegExp = path;
+  } else {
+    // The URL() constructor can't parse express-style routes as they are not
+    // valid urls. This means we have to manually manipulate relative urls into
+    // absolute ones. This check is extremely naive but implementing a tweaked
+    // version of the full algorithm seems like overkill
+    // (https://url.spec.whatwg.org/#concept-basic-url-parser)
+    if (path.indexOf('/') !== 0) {
+      path = basePath + path;
+    }
+
+    this.keys = [];
+    this.regexp = pathRegexp(path, this.keys);
+  }
+
+  this.method = method;
+  this.options = options;
+  this.handler = handler;
+};
+
+Route.prototype.makeHandler = function(url) {
+  var values;
+  if (this.regexp) {
+    var match = this.regexp.exec(url);
+    values = {};
+    this.keys.forEach(function(key, index) {
+      values[key.name] = match[index + 1];
+    });
+  }
+
+  return function(request) {
+    return this.handler(request, values, this.options);
+  }.bind(this);
+};
+
+module.exports = Route;