{ plugins.nvim-tree = { enable = true; hijackUnnamedBufferWhenOpening = true; openOnSetup = true; onAttach = { __raw = "function(bufnr) local api = require('nvim-tree.api') vim.keymap.set('n', 'b', api.node.open.preview, opts('Open Preview')) end"; }; view = { side = "right"; centralizeSelection = true; number = true; relativenumber = true; width = 40; }; }; }