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a misty Gleam web server
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src/mist.gleam
import gleam/option.{None, Option}
import gleam/otp/process
import glisten
import glisten/tcp
import gleam/http
import gleam/http/request.{Request}
import gleam/http/response
import mist/http as mhttp
import gleam/erlang
/// Helper that wraps the `glisten.serve` with no state. If you want to just
/// write HTTP handler(s), this is what you want
pub fn serve(
port: Int,
handler: tcp.LoopFn(Option(process.Timer)),
) -> Result(Nil, glisten.StartError) {
glisten.serve(port, handler, None)
}
pub fn main() {
let empty_response =
response.new(200)
|> response.set_body(<<>>)
let not_found =
response.new(404)
|> response.set_body(<<>>)
assert Ok(_) =
serve(
8080,
mhttp.handler(fn(req: Request(BitString)) {
case req.method, request.path_segments(req) {
http.Get, [] -> empty_response
http.Get, ["user", id] ->
response.new(200)
|> response.set_body(<<id:utf8>>)
http.Post, ["user"] ->
response.new(200)
|> response.set_body(req.body)
_, _ -> not_found
}
}),
)
erlang.sleep_forever()
}