nvim: init.vim: Add ALE for linting

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>

nvim/.config/nvim/init.vim

@@ -29,6 +29,8 @@ Plug 'vim-utils/vim-husk'
 Plug 'luochen1990/rainbow'
 " Formatting
 Plug 'sbdchd/neoformat'
+" Linting
+Plug 'dense-analysis/ale'
 " Run things async
 Plug 'hauleth/asyncdo.vim'
 " Quickfix

nvim/.config/nvim/plugin_settings.vim

@@ -54,6 +54,20 @@ let g:markify_error_text = 'E'
 let g:markify_warning_text = 'W'
 let g:markify_info_text = 'I'
 
+" ALE
+let g:ale_linters_explicit = 1
+let g:ale_lint_on_enter = 0
+let g:ale_lint_on_save = 1
+let g:ale_lint_on_text_changed = 'never'
+let g:ale_linters = {
+      \ 'haskell': ['hlint'],
+      \ 'clojure': ['clj-kondo', 'joker'],
+      \ 'purescript': ['purty'],
+      \ 'python' : ['autopep8', 'flake8'],
+      \ 'fish' : ['fish'],
+      \ 'bash' : ['shellcheck']
+      \}
+
 " Neovim LSP Diagnostics
 let g:diagnostic_enable_virtual_text = 1
 let g:diagnostic_show_sign = 1