webbed-site / src / context.gleam

import envoy
import gleam/javascript/promise.{type Promise}
import gleam/result
import highlight.{type Highlighter}

const env_commit_hash = "TANGLED_COMMIT_SHA"

const env_gleam_version = "GLEAM_VERSION"

pub type Context {
  SiteMeta(commit_hash: String, gleam_version: String, highlighter: Highlighter)
}

pub fn fetch() -> Promise(Context) {
  use highlighter <- promise.map(highlight.highlighter(highlight_languages))
  let commit_hash = env_commit_hash |> envoy.get |> result.unwrap("hash")
  let gleam_version = env_gleam_version |> envoy.get |> result.unwrap("161.789")
  SiteMeta(commit_hash:, gleam_version:, highlighter:)
}

// We could compute these from the pages, but I don't think it's worth it...
const highlight_languages = [
  "gleam",
  "javascript",
  "css",
  "html",
  "toml",
]