koa - npm Package Compare versions

Comparing version 2.13.4 to 2.14.0

History.md

 
+2.14.0 / 2022-12-06
+==================
+
+**features**
+  * [[`a293122`](http://github.com/koajs/koa/commit/a29312212839c6f0418152d2a2cd3bf3fd3ee5e4)] - feat: support asyncLocalStorage (#1721) (fengmk2 <<[e-mail]>>)
+
 2.13.4 / 2021-10-19
@@ -3,0 +9,0 @@ ==================

lib/application.js

@@ -11,2 +11,3 @@
 const onFinished = require('on-finished');
+const assert = require('assert');
 const response = require('./response');
@@ -68,2 +69,8 @@ const compose = require('koa-compose');
     }
+    if (options.asyncLocalStorage) {
+      const { AsyncLocalStorage } = require('async_hooks');
+      assert(AsyncLocalStorage, 'Requires node 12.17.0 or higher to enable asyncLocalStorage');
+      this.ctxStorage = new AsyncLocalStorage();
+      this.use(createAsyncCtxStorage(this));
+    }
   }
@@ -159,2 +166,9 @@
   /**
+   * return currnect contenxt from async local storage
+   */
+  get currentContext() {
+    if (this.ctxStorage) return this.ctxStorage.getStore();
+  }
+
+  /**
    * Handle request in callback.
@@ -228,2 +242,10 @@ *
 
+function createAsyncCtxStorage(app) {
+  return async function asyncCtxStorage(ctx, next) {
+    await app.ctxStorage.run(ctx, async() => {
+      return await next();
+    });
+  };
+}
+
 /**
@@ -230,0 +252,0 @@ * Response helper.

package.json

 {
   "name": "koa",
-  "version": "2.13.4",
+  "version": "2.14.0",
   "description": "Koa web app framework",
@@ -5,0 +5,0 @@ "main": "lib/application.js",

New alerts

Debug access

Supply chain risk

Uses debug, reflection and dynamic code execution features.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

94806

increased by0.95%

Lines of code

1612

increased by1.26%

Worsened metrics

Number of low supply chain risk alerts

3

increased by50%

No dependency changes