feat(fetch): add programmatic proxy (#10907)

This commit adds new options to unstable "Deno.createHttpClient" API.

"proxy" and "basicAuth" options were added that allow to use custom proxy
when client instance is passed to "fetch" API.

1 files changed, 16 insertions, 0 deletions

diff --git a/cli/tests/045_programmatic_proxy_client.ts b/cli/tests/045_programmatic_proxy_client.ts
new file mode 100644
index 000000000..50884407d
--- /dev/null
+++ b/cli/tests/045_programmatic_proxy_client.ts
@@ -0,0 +1,16 @@
+// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
+
+const client = Deno.createHttpClient({
+  proxy: {
+    url: "http://localhost:4555",
+    basicAuth: { username: "username", password: "password" },
+  },
+});
+
+const res = await fetch(
+  "http://localhost:4545/test_util/std/examples/colors.ts",
+  { client },
+);
+console.log(`Response http: ${await res.text()}`);
+
+client.close();