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lustre src lustre cli add.gleam
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src/lustre/cli/add.gleam 

// IMPORTS ---------------------------------------------------------------------



import glint.{type Command, CommandInput}

import glint/flag

import lustre/cli/esbuild

import lustre/cli/step



// COMMANDS --------------------------------------------------------------------



pub fn esbuild() -> Command(Nil) {

  let description =

    "

Download a platform-appropriate version of the esbuild binary. Lustre uses this

to bundle applications and act as a development server.

    "



  glint.command(fn(input) {

    let CommandInput(flags: flags, ..) = input

    let assert Ok(os) = flag.get_string(flags, "os")

    let assert Ok(cpu) = flag.get_string(flags, "cpu")

    let script = esbuild.download(os, cpu)

    case step.execute(script) {

      Ok(_) -> Nil

      Error(error) -> esbuild.explain(error)

    }

  })

  |> glint.description(description)

  |> glint.unnamed_args(glint.EqArgs(0))

  |> glint.flag("os", {

    let description = ""

    let default = get_os()



    flag.string()

    |> flag.default(default)

    |> flag.description(description)

  })

  |> glint.flag("cpu", {

    let description = ""

    let default = get_cpu()



    flag.string()

    |> flag.default(default)

    |> flag.description(description)

  })

}



// EXTERNALS -------------------------------------------------------------------



@external(erlang, "cli_ffi", "get_os")

fn get_os() -> String



@external(erlang, "cli_ffi", "get_cpu")

fn get_cpu() -> String