feat: add ExercismLanguages command

README.md

@@ -53,11 +53,13 @@ exercism.nvim is a neovim plugin that integrates exercism.io into your neovim wo
 {
     '2kabhishek/exercism.nvim',
     cmd = {
+        'ExercismLanguages',
         'ExercismList',
         'ExercismSubmit',
         'ExercismTest',
     },
     keys = {
+        '<leader>exa',
         '<leader>exl',
         '<leader>exs',
         '<leader>ext',

lua/exercism/commands.lua

@@ -4,6 +4,10 @@ local config = require('exercism.config').config
 local M = {}
 
 M.setup = function()
+    vim.api.nvim_create_user_command('ExercismLanguages', function(_)
+        main.list_languages()
+    end, {})
+
     vim.api.nvim_create_user_command('ExercismList', function(opts)
         local language = vim.split(opts.args, ' ')[1]
         main.list_exercises(language)
@@ -23,6 +27,7 @@ M.setup = function()
         end
 
         if config.add_default_keybindings then
+            add_keymap('<leader>exa', ':ExercismLanguages<CR>', 'All Exercism Languages')
             add_keymap('<leader>exl', ':ExercismList<CR>', 'Exercism List')
             add_keymap('<leader>ext', ':ExercismTest<CR>', 'Exercism Test')
             add_keymap('<leader>exs', ':ExercismSubmit<CR>', 'Exercism Submit')

lua/exercism/main.lua

@@ -10,11 +10,15 @@ local type_icons_map = {
     ['practice'] = config.icons.practice .. '  ',
 }
 
+local function get_plugin_path()
+    local script_path = debug.getinfo(1, 'S').source:sub(2)
+    return vim.fn.fnamemodify(script_path, ':h:h:h')
+end
+
 ---@param language string
 ---@return any
 local function get_exercise_data(language)
-    local script_path = debug.getinfo(1, 'S').source:sub(2)
-    local plugin_path = vim.fn.fnamemodify(script_path, ':h:h:h')
+    local plugin_path = get_plugin_path()
     local exercise_file = plugin_path .. '/data/' .. language .. '.json'
     local exercise_data = vim.fn.json_decode(vim.fn.readfile(exercise_file))
     return exercise_data
@@ -51,6 +55,22 @@ local function handle_selection(exercise_name, language)
     end
 end
 
+M.list_languages = function()
+    local plugin_path = get_plugin_path()
+    local language_files = vim.fn.glob(plugin_path .. '/data/*.json', false, true)
+    local languages = vim.tbl_map(function(file)
+        return vim.fn.fnamemodify(file, ':t:r')
+    end, language_files)
+
+    vim.ui.select(languages, {
+        prompt = 'Select Language',
+    }, function(selected_language)
+        if selected_language then
+            M.list_exercises(selected_language)
+        end
+    end)
+end
+
 ---@param language string
 M.list_exercises = function(language)
     if language == '' or language == nil then