From 6bb3e72df331ef45a69fe7f76ed4b7e7babe021a Mon Sep 17 00:00:00 2001
From: Adam Hovorka <adamhovorka@gmail.com>
Date: Wed, 17 Jul 2019 12:35:46 -0600
Subject: Initial commit

---
 lib/router.js | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 lib/router.js

(limited to 'lib/router.js')

diff --git a/lib/router.js b/lib/router.js
new file mode 100644
index 0000000..deb2a8c
--- /dev/null
+++ b/lib/router.js
@@ -0,0 +1,40 @@
+"use strict" // https://github.com/mixu/minimal
+
+const url = require("url");
+const degroup = path => Object.assign(path, path.groups);
+
+class Router {
+  constructor() {
+    this.routes = [];
+  }
+
+  route(req, res) {
+    const pathname = url.parse(req.url).pathname;
+    return this.routes.some(route => {
+      const isMatch = route.method === req.method && route.re.test(pathname);
+      if (isMatch) route.cb(req, res, degroup(route.re.exec(pathname)));
+      return isMatch;
+    });
+  }
+
+  gather(cb, max) { // Handle POST data
+    return (req, res, match) => {
+      let data = "";
+      req.on("data", chunk => {
+        if ((data += chunk).length > (max||1e6)) // ~1MB
+          req.connection.destroy();
+      }).on("end", () => cb(req, res, match, data));
+    };
+  }
+
+  gpost(re, cb, max) { // Laziness
+    this.post(re, this.gather(cb, max));
+  }
+}
+
+["get", "post", "put", "delete"].forEach(method =>
+  Router.prototype[method] = function(re, cb) {
+    this.routes.push({method: method.toUpperCase(), cb,
+      re: (re instanceof RegExp)? re : new RegExp(`^${re}$`)})});
+
+module.exports = Router;
-- 
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