fix CORS preflight request. Fixes #269

CHANGELOG.md

@@ -6,6 +6,7 @@
 - add `pathToRegexpOptions` to route options to make available to pass options to `path-to-regexp` library. [#268](https://github.com/moleculerjs/moleculer-web/issues/268)
 - add `debounceTime` to route options to make available to change the debounce time at service changes. [#260](https://github.com/moleculerjs/moleculer-web/issues/260)
 - new `errorHandler` method to allow developers to change the default error handling behaviour. [#266](https://github.com/moleculerjs/moleculer-web/issues/266)
+- fixes CORS preflight request handling in case of full-path aliases. [#269](https://github.com/moleculerjs/moleculer-web/issues/269)
 - update dependencies
 
 -----------------------------

examples/cors/index.js

@@ -1,8 +1,7 @@
 "use strict";
 
 /**
-
- *
+ * Call the endpoints from https://cors-tester.glitch.me/
  */
 
 const { ServiceBroker } = require("moleculer");

src/index.js

@@ -160,8 +160,13 @@ module.exports = {
 				if (!this.routes || this.routes.length == 0)
 					return null;
 
+				let method = req.method;
+				if (method == "OPTIONS") {
+					method = req.headers["access-control-request-method"];
+				}
+
 				// Check aliases
-				const found = this.resolveAlias(url, req.method);
+				const found = this.resolveAlias(url, method);
 				if (found) {
 					const route = found.alias.route;
 					// Update URLs for middlewares