depot/third_party/tvl/web/bubblegum/examples/hello.nix
Default email a291c8690a Project import generated by Copybara.
GitOrigin-RevId: e6e19f3d81a982a62e1bba08f0b4f7fdc21b4ea0
2022-05-19 16:39:52 +02:00

94 lines
1.7 KiB
Nix

{ depot, ... }:
let
inherit (depot.third_party.nixpkgs)
lib
;
inherit (depot.web.bubblegum)
pathInfo
respond
absolutePath
;
routes = {
"/" = {
status = "OK";
title = "index";
content = ''
Hello World!
'';
};
"/clock" = {
status = "OK";
title = "clock";
content = ''
It is ${toString builtins.currentTime}s since 1970-01-01 00:00 UTC.
'';
};
"/coffee" = {
status = "I'm a teapot";
title = "coffee";
content = ''
No coffee, I'm afraid
'';
};
"/type-error" = {
status = 666;
title = "bad usage";
content = ''
Never gonna see this.
'';
};
"/eval-error" = {
status = "OK";
title = "evaluation error";
content = builtins.throw "lol";
};
};
notFound = {
status = "Not Found";
title = "404";
content = ''
This page doesn't exist.
'';
};
navigation =
lib.concatStrings (lib.mapAttrsToList
(p: v: "<li><a href=\"${absolutePath p}\">${v.title}</a></li>")
routes);
template = { title, content, ... }: ''
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>${title}</title>
<style>a:link, a:visited { color: blue; }</style>
</head>
<body>
<hgroup>
<h1><code>//web/bubblegum</code></h1>
<h2>example app</h2>
</hgroup>
<header>
<nav>
<ul>${navigation}</ul>
</nav>
</header>
<main>
<p>${content}</p>
</main>
</body>
'';
response = routes."${pathInfo}" or notFound;
in
respond response.status
{
"Content-type" = "text/html";
}
(template response)