feat(path-to-regexp): path-to-regexp 8.1.0 update (#976)

* feat(path-to-regexp): path-to-regexp update to 8.1.0

* feat(path-to-regexp): cleanup notes for PR

* feat(path-to-regexp): potential version bump if approved

* feat(path-to-regexp): pr change request + added notes for changes

---------

Co-authored-by: fkeefer <fkeefer@signiant.com>
Co-authored-by: Carmine DiMascio <cdimascio@gmail.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "express-openapi-validator",
-  "version": "5.3.6",
+  "version": "5.3.7",
   "description": "Automatically validate API requests and responses with OpenAPI 3 and Express.",
   "main": "dist/index.js",
   "scripts": {
@@ -45,7 +45,7 @@
     "media-typer": "^1.1.0",
     "multer": "^1.4.5-lts.1",
     "ono": "^7.1.3",
-    "path-to-regexp": "^6.3.0"
+    "path-to-regexp": "^8.1.0"
   },
   "devDependencies": {
     "@types/cookie-parser": "^1.4.2",

src/framework/base.path.ts

@@ -26,7 +26,7 @@ export class BasePath {
     }
     if (/{\w+}/.test(urlPath)) {
       // has variable that we need to check out
-      urlPath = urlPath.replace(/{(\w+)}/g, (substring, p1) => `:${p1}(.*)`);
+      urlPath = urlPath.replace(/{(\w+)}/g, (substring, p1) => `:"${p1}"`);
     }
     this.expressPath = urlPath;
     for (const variable in server.variables) {
@@ -69,7 +69,9 @@ export class BasePath {
     }, []);
 
     const allParamCombos = cartesian(...allParams);
-    const toPath = compile(this.expressPath);
+    // path-to-regexp v 8.x.x requires we escape the open and close parentheses `(`,`)` added a replace function to catch that use case.
+    const filteredExpressPath = this.expressPath.replace(/[(]/g, '\\\\(').replace(/[)]/g, '\\\\)');
+    const toPath = compile(filteredExpressPath);
     const paths = new Set<string>();
     for (const combo of allParamCombos) {
       paths.add(toPath(combo));

src/framework/openapi.spec.loader.ts

@@ -113,10 +113,22 @@ export class OpenApiSpecLoader {
     // {/path} => /path(*) <--- RFC 6570 format (not supported by openapi)
     // const pass1 = part.replace(/\{(\/)([^\*]+)(\*)}/g, '$1:$2$3');
 
+    //if wildcard path use new path-to-regex expected model
+    if(/[*]/g.test(part)){
+      // /v1/{path}* => /v1/*path)
+      // /v1/{path}(*) => /v1/*path)
+      const pass1 = part.replace(/\/{([^}]+)}\({0,1}(\*)\){0,1}/g, '/$2$1');
+
+      // substitute params with express equivalent
+      // /path/{multi}/test/{/*path}=> /path/:multi/test/{/*path}
+      return pass1.replace(/\{([^\/}]+)}/g, ':$1');
+      //return pass1;
+    }
     // instead create our own syntax that is compatible with express' pathToRegex
     // /{path}* => /:path*)
     // /{path}(*) => /:path*)
     const pass1 = part.replace(/\/{([^}]+)}\({0,1}(\*)\){0,1}/g, '/:$1$2');
+
     // substitute params with express equivalent
     // /path/{id} => /path/:id
     return pass1.replace(/\{([^}]+)}/g, ':$1');

src/middlewares/openapi.metadata.ts

@@ -80,19 +80,16 @@ export function applyOpenApiMetadata(
       const pathKey = openApiRoute.substring((<any>methods).basePath.length);
       const schema = openApiContext.apiDoc.paths[pathKey][method.toLowerCase()];
       const _schema = responseApiDoc?.paths[pathKey][method.toLowerCase()];
-
-      const keys = [];
       const strict = !!req.app.enabled('strict routing');
       const sensitive = !!req.app.enabled('case sensitive routing');
       const pathOpts = {
         sensitive,
         strict,
       };
-      const regexp = pathToRegexp(expressRoute, keys, pathOpts);
-      const matchedRoute = regexp.exec(path);
-
+      const regexpObj = pathToRegexp(expressRoute, pathOpts);
+      const matchedRoute = regexpObj.regexp.exec(path);
       if (matchedRoute) {
-        const paramKeys = keys.map((k) => k.name);
+        const paramKeys = regexpObj.keys.map((k) => k.name);
         try {
           const paramsVals = matchedRoute.slice(1).map(decodeURIComponent);
           const pathParams = zipObject(paramKeys, paramsVals);