chore(nvim): re-add Get_project_node_modules_path

vim/lua/formatter_config.lua

@@ -1,6 +1,6 @@
 local prettier = function()
 	return {
-		exe = vim.fn.getcwd() .. "/node_modules/.bin/prettier",
+		exe = Get_project_node_modules_path() .. "/.bin/prettier",
 		args = { "--stdin-filepath", vim.api.nvim_buf_get_name(0), "--single-quote" },
 		stdin = true,
 	}

vim/lua/helpers.lua

@@ -1,3 +1,16 @@
+-- Return the node_modules path for this project. If the project root contains a
+-- frontend/ directory, assume node_modules lives there.
+function Get_project_node_modules_path()
+	local root_path = vim.fn.getcwd()
+	local frontend_path = root_path .. "/frontend"
+	local is_frontend = vim.fn.isdirectory(frontend_path) ~= 0
+	local base_path = root_path
+	if is_frontend then
+		base_path = frontend_path
+	end
+	return base_path .. "/node_modules"
+end
+
 -- Return the project's go module path from go.mod, or an empty string if the file cannot be read.
 function Get_project_go_module_path()
 	local root_path = vim.fn.getcwd()