From 76cb9c2a39d477a64824a985ade40507e3bbade1 Mon Sep 17 00:00:00 2001
From: Adam Mathes <adam@adammathes.com>
Date: Fri, 13 Feb 2026 21:34:48 -0800
Subject: feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

---
 .../undici/lib/dispatcher/h2c-client.js            | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 vanilla/node_modules/undici/lib/dispatcher/h2c-client.js

(limited to 'vanilla/node_modules/undici/lib/dispatcher/h2c-client.js')

diff --git a/vanilla/node_modules/undici/lib/dispatcher/h2c-client.js b/vanilla/node_modules/undici/lib/dispatcher/h2c-client.js
new file mode 100644
index 0000000..bd38522
--- /dev/null
+++ b/vanilla/node_modules/undici/lib/dispatcher/h2c-client.js
@@ -0,0 +1,51 @@
+'use strict'
+
+const { InvalidArgumentError } = require('../core/errors')
+const Client = require('./client')
+
+class H2CClient extends Client {
+  constructor (origin, clientOpts) {
+    if (typeof origin === 'string') {
+      origin = new URL(origin)
+    }
+
+    if (origin.protocol !== 'http:') {
+      throw new InvalidArgumentError(
+        'h2c-client: Only h2c protocol is supported'
+      )
+    }
+
+    const { connect, maxConcurrentStreams, pipelining, ...opts } =
+            clientOpts ?? {}
+    let defaultMaxConcurrentStreams = 100
+    let defaultPipelining = 100
+
+    if (
+      maxConcurrentStreams != null &&
+            Number.isInteger(maxConcurrentStreams) &&
+            maxConcurrentStreams > 0
+    ) {
+      defaultMaxConcurrentStreams = maxConcurrentStreams
+    }
+
+    if (pipelining != null && Number.isInteger(pipelining) && pipelining > 0) {
+      defaultPipelining = pipelining
+    }
+
+    if (defaultPipelining > defaultMaxConcurrentStreams) {
+      throw new InvalidArgumentError(
+        'h2c-client: pipelining cannot be greater than maxConcurrentStreams'
+      )
+    }
+
+    super(origin, {
+      ...opts,
+      maxConcurrentStreams: defaultMaxConcurrentStreams,
+      pipelining: defaultPipelining,
+      allowH2: true,
+      useH2c: true
+    })
+  }
+}
+
+module.exports = H2CClient
-- 
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