initial

lua/lib/util.lua

@@ -0,0 +1,51 @@
+local util = {}
+
+util.get_user_config = function(key, default)
+    local status_ok, user = pcall(require, 'user')
+    if not status_ok then
+        return default
+    end
+
+    local user_config = user[key]
+    if user_config == nil then
+        return default
+    end
+    return user_config
+end
+
+util.get_root_dir = function()
+    local bufname = vim.fn.expand('%:p')
+    if vim.fn.filereadable(bufname) == 0 then
+        return
+    end
+
+    local parent = vim.fn.fnamemodify(bufname, ':h')
+    local git_root = vim.fn.systemlist('git -C ' .. parent .. ' rev-parse --show-toplevel')
+    if #git_root > 0 and git_root[1] ~= '' then
+        return git_root[1]
+    else
+        return parent
+    end
+end
+
+util.get_file_type_cmd = function(extension)
+    local root = util.get_root_dir()
+
+    if extension == 'arb' and root then
+        local gemfile_exists = vim.fn.filereadable(root .. '/Gemfile') == 1
+        local pubspec_exists = vim.fn.filereadable(root .. '/pubspec.yaml') == 1
+        if gemfile_exists then
+            return 'setfiletype ruby'
+        end
+        if pubspec_exists then
+            return 'setfiletype json'
+        end
+    end
+    return ''
+end
+
+util.is_present = function(bin)
+    return vim.fn.executable(bin) == 1
+end
+
+return util