From 2aeade72f0bf8027451a4fd85fc186fa9ddeb8e2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Armands=20Vilci=C5=86=C5=A1?=
 <60402744+choxen@users.noreply.github.com>
Date: Wed, 6 Dec 2023 22:44:50 +0200
Subject: [PATCH] feature(locale): support nested locales (#463)

---
 imports/locale/shared.lua | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/imports/locale/shared.lua b/imports/locale/shared.lua
index 014e816..9a221b6 100644
--- a/imports/locale/shared.lua
+++ b/imports/locale/shared.lua
@@ -1,6 +1,21 @@
 ---@type { [string]: string }
 local dict = {}
 
+---@param prefix string|nil
+---@param source { [string]: string }
+---@param target { [string]: string }
+local function flattenDict(prefix, source, target)
+    for key, value in pairs(source) do
+        local fullKey = prefix and (prefix .. "." .. key) or key
+
+        if type(value) == "table" then
+            flattenDict(fullKey, value, target)
+        else
+            target[fullKey] = value
+        end
+    end
+end
+
 ---@param str string
 ---@param ... string | number
 ---@return string
@@ -41,7 +56,10 @@ function lib.locale()
         if not locales then return end
     end
 
-    for k, v in pairs(locales) do
+    local flattenedDict = {}
+    flattenDict(nil, locales, flattenedDict)
+
+    for k, v in pairs(flattenedDict) do
         if type(v) == 'string' then
             for var in v:gmatch('${[%w%s%p]-}') do
                 local locale = locales[var:sub(3, -2)]