1 files changed, 69 insertions, 0 deletions
diff --git a/configs/nvim/lua/crupest/system.lua b/configs/nvim/lua/crupest/system.lua
new file mode 100644
index 0000000..74f8670
--- /dev/null
+++ b/configs/nvim/lua/crupest/system.lua
@@ -0,0 +1,69 @@
+local function clean_path(path)
+    return path and (string.gsub(path, "[/\\]+", "/"))
+end
+
+local function get_exe(path)
+    if vim.fn.has("win32") ~= 0 then
+        local suffixes = { ".exe", ".CMD", ".cmd", ".ps1" }
+        for _, v in ipairs(suffixes) do
+            if string.find(path, v.."$") and vim.uv.fs_stat(path) then
+                return path
+            end
+        end
+        for _, v in ipairs(suffixes) do
+            local p = path..v
+            if vim.uv.fs_stat(p) then return p end
+        end
+        return nil
+    end
+
+    if vim.fn.executable(path) ~= 0 then
+        return path
+    end
+
+    return nil
+end
+
+local function walk_up(path, func)
+    local current_path = vim.fn.fnamemodify(path, ":p")
+    while true do
+        local result = func(current_path)
+        if result then
+            return result
+        end
+        local new_path = vim.fn.fnamemodify(current_path, ":h")
+        if new_path == current_path then
+            break
+        end
+        current_path = new_path
+    end
+    return nil
+end
+
+local function find_node_modules(path)
+    return walk_up(path, function (current_path)
+        local node_modules_path = current_path.."/node_modules"
+        if vim.fn.isdirectory(node_modules_path) ~= 0 then
+            return node_modules_path
+        end
+        return nil
+    end)
+end
+
+local function find_npm_exe(path, exe)
+    local node_modules_path = find_node_modules(path)
+    if not node_modules_path then return nil end
+    local try_exe_path = node_modules_path.."/.bin/"..exe
+    local exe_path = get_exe(try_exe_path)
+    if exe_path then return clean_path(exe_path) end
+    return nil
+end
+
+return {
+    clean_path = clean_path,
+    get_exe = get_exe,
+    walk_up = walk_up,
+    find_node_modules = find_node_modules,
+    find_npm_exe = find_npm_exe
+}
+