vim.g.mapleader = " "
vim.keymap.set("n", "<leader>pv", vim.cmd.Ex)

-- move current line up/down in visual mode
vim.keymap.set("v", "J", ":m '>+1<CR>gv=gv")
vim.keymap.set("v", "K", ":m '>-2<CR>gv=gv")

-- keep cursor centered when half page jumping
vim.keymap.set("n", "<C-d>", "<C-d>zz")
vim.keymap.set("n", "<C-u>", "<C-u>zz")