chore: update tree router

lib/router/index.js

@@ -1,9 +1,9 @@
-/* istanbul ignore file */
-// /~https://github.com/steambap/koa-tree-router @ 0.4.4 / MIT
+// /~https://github.com/steambap/koa-tree-router @ 0.7.0 / MIT
 // Modifications:
-//   - code style (npm run lint-fix)
-//   - fixed composed middleware rather then composing on every request
+//   - code style
+//   - compose middlewares upfronts rather then composing on every request
 //   - removed 405 handling
+//   - removed unused methods
 
 const compose = require('koa-compose');
 
@@ -17,11 +17,11 @@ class Router {
     this.opts = opts;
   }
 
-  on(method, path, ...middlewares) {
+  on(method, path, ...handle) {
     if (!this.trees[method]) {
       this.trees[method] = new Node();
     }
-    this.trees[method].addRoute(path, compose(middlewares));
+    this.trees[method].addRoute(path, compose(handle));
     return this;
   }
 
@@ -54,18 +54,16 @@ class Router {
   }
 
   routes() {
+    const router = this;
     return (ctx, next) => {
-      const { handle, params } = this.find(ctx.method, ctx.path);
-
+      const { handle, params } = router.find(ctx.method, ctx.path);
       if (!handle) {
         return next();
       }
-
       ctx.params = {};
       params.forEach(({ key, value }) => {
         ctx.params[key] = value;
       });
-
       return handle(ctx, next);
     };
   }