default.nix

{ system ? builtins.currentSystem }:
let
  sources = import ./nix/sources.nix;
  rp = import sources.reflex-platform { inherit system; };
in rp.project ({ pkgs, ... }: {
  useWarp = true; 
  withHoogle = false;
  packages = { fht-frontend = ./fht-frontend; 
               fht-data = ./fht-data;
               fht-api = ./fht-api;
               fht-backend = ./fht-backend;
             };
  shells = {
    ghc = [ "fht-frontend" "fht-backend" "fht-data" "fht-api" ];
    ghcjs = [ "fht-frontend" "fht-data" "fht-api" ];
  };

  overrides = self: super: { 
    inherit (sources) bulmex reflex-dom-helpers;
  };

})

fht-frontend.cabal

cabal-version:      >=1.10
name:               fht-frontend
version:            0.1.0.0
license:            BSD3
license-file:       LICENSE
author:             Ashesh Ambasta
maintainer:         ashesh@asheshambasta.com
build-type:         Simple
extra-source-files: README.md

executable fht-frontend
  hs-source-dirs:     src
  main-is:            Main.hs
  build-depends:
      base
    , reflex
    , reflex-dom
    , reflex-dom-helpers
    , jsaddle-warp
    , bulmex
    -- network-uri is a depedency for bulma. HeadSettings uses types from it.
    -- https://hackage.haskell.org/package/bulmex-4.0.0/docs/Reflex-Bulmex-Html.html#t:HeadSettings
    -- , network-uri
    , text
    , protolude 
    , containers
    , lens
    , data-default-class
    , witherable
    -- the frontend needs the data types. 
    , fht-data
    -- and the API for client functions.
    , fht-api
    
  other-modules: 
    Frontend.Shared
    Frontend.Nav
    Frontend.Shared.Widgets
    Frontend.Shared.Widgets.Bulma
    Lib.Reflex.Buttons
    Lib.Reflex.Elements
    Lib.Reflex.Clicks 

  default-extensions:
    DataKinds
    FlexibleContexts
    NoImplicitPrelude
    LambdaCase
    OverloadedStrings
    ScopedTypeVariables
    GADTs 
    TypeFamilies
    DerivingVia 
    RecordWildCards
    PackageImports
    ViewPatterns

  ghc-options:        -Wall -threaded -Wno-unused-do-bind

  if impl(ghcjs -any)
    ghc-options: -dedupe
    cpp-options: -DGHCJS_BROWSER

  default-language:   Haskell2010

  if os(osx)
    ghc-options: -dynamic

sources.json

{
    "bulmex": {
        "branch": "asheshambasta/feature/bounds",
        "description": "reflex infused with bulma",
        "homepage": null,
        "owner": "asheshambasta",
        "repo": "bulmex",
        "rev": "fbe4c932aebeb1b7d3a45abc881f4320fb529738",
        "sha256": "1lvq9f0ny7v5idj8nxbiam5vwcivh497qqsj52zmi1bni8c4pf4q",
        "type": "tarball",
        "url": "https://github.com/asheshambasta/bulmex/archive/fbe4c932aebeb1b7d3a45abc881f4320fb529738.tar.gz",
        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
    },
    "niv": {
        "branch": "master",
        "description": "Easy dependency management for Nix projects",
        "homepage": "https://github.com/nmattia/niv",
        "owner": "nmattia",
        "repo": "niv",
        "rev": "9d35b9e4837ab88517210b1701127612c260eccf",
        "sha256": "0q50xhnm8g2yfyakrh0nly4swyygxpi0a8cb9gp65wcakcgvzvdh",
        "type": "tarball",
        "url": "https://github.com/nmattia/niv/archive/9d35b9e4837ab88517210b1701127612c260eccf.tar.gz",
        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
    },
    "nixpkgs": {
        "branch": "release-20.03",
        "description": "Nix Packages collection",
        "homepage": "",
        "owner": "NixOS",
        "repo": "nixpkgs",
        "rev": "d74573d8ae6f02ef0ac1299c862d1b762ba0aad1",
        "sha256": "008xyc2yzaw8m1ikjq04fsp1rhcfn2a7zn445kwqqngb5vs7w8b6",
        "type": "tarball",
        "url": "https://github.com/NixOS/nixpkgs/archive/d74573d8ae6f02ef0ac1299c862d1b762ba0aad1.tar.gz",
        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
    },
    "reflex-dom-helpers": {
        "branch": "asheshambasta/feature/nix",
        "description": "Element helpers for reflex-dom",
        "homepage": null,
        "owner": "asheshambasta",
        "repo": "reflex-dom-helpers",
        "rev": "c4b3592f6ca7ae56470a2c05b048edc208ac9384",
        "sha256": "1rx4ayk0ww4k86w8qlzc7agw7qs5syv70626gm2a356jrg5mxbvm",
        "type": "tarball",
        "url": "https://github.com/asheshambasta/reflex-dom-helpers/archive/c4b3592f6ca7ae56470a2c05b048edc208ac9384.tar.gz",
        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
    },
    "reflex-platform": {
        "branch": "rc/0.6.0.0",
        "description": "A curated package set and set of tools that let you build Haskell packages so they can run on a variety of platforms. reflex-platform is built on top of the nix package manager.",
        "homepage": "https://reflex-frp.org",
        "owner": "reflex-frp",
        "repo": "reflex-platform",
        "rev": "b14992ae74cac755f0e972569434c71ad35489eb",
        "sha256": "0znbjnzmv00mjyl2w8lpw10v9qmi5dffhzm8jqm6ypgil5xfylx3",
        "type": "tarball",
        "url": "https://github.com/reflex-frp/reflex-platform/archive/b14992ae74cac755f0e972569434c71ad35489eb.tar.gz",
        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
    }
}