diff --git a/src/middleware-runner.js b/src/middleware-runner.js
new file mode 100644
index 00000000..4a2b2e71
--- /dev/null
+++ b/src/middleware-runner.js
@@ -0,0 +1,61 @@
+/**
+ * @typedef Next
+ * @type function
+ * @param {Object} payload
+ */
+
+/**
+ * @typedef Payload
+ * @type Object
+ * @property {Object} event
+ * @property {Object} extra
+ */
+
+/**
+ * @typedef Middleware
+ * @type function
+ * @param {Payload} payload
+ * @param {Object} extra
+ */
+
+export class MiddlewareRunner {
+  constructor() {
+    /** @type {Middleware[]} */
+    this._middlewares = [];
+  }
+
+  /**
+   * @param {Middleware} middleware
+   */
+  add(middleware) {
+    this._middlewares.push(middleware);
+  }
+
+  /**
+   * Runs all middleware
+   *
+   * @param {Payload} payload
+   * @param {Next} next
+   *
+   * @return void
+   */
+  run(payload, next) {
+    let curMiddlewareIndex = -1;
+    const middlewareCount = this._middlewares.length;
+
+    /** @type {Middleware} */
+    const middlewareNext = (curPayload) => {
+      curMiddlewareIndex += 1;
+      if (curMiddlewareIndex < middlewareCount) {
+        this._middlewares[curMiddlewareIndex](curPayload, _next);
+      } else {
+        next(curPayload);
+      }
+    };
+
+    /** @type {Next} */
+    const _next = middlewareCount > 0 ? middlewareNext : next;
+
+    _next(payload);
+  }
+}