dotfiles/modules/editor/neovim/lua/keybinds.lua

-- ===========================================================================
-- Key Mapping
-- ===========================================================================

-- Function to cut down config boilerplate
local key = function(mode, key_sequence, action, params)
    params = params or {}
    vim.keymap.set(mode, key_sequence, action, params)
end

-- Remap space as leader key
key("", "<Space>", "<Nop>", { silent = true })
vim.g.mapleader = " "
vim.g.maplocalleader = " "

-- Keep selection when changing indentation
key("v", "<", "<gv")
key("v", ">", ">gv")

-- Clear search register
key("n", "<CR>", ":noh<CR><CR>", { silent = true })

-- Shuffle lines around
key("n", "<A-j>", ":m .+1<CR>==")
key("n", "<A-k>", ":m .-2<CR>==")
key("v", "<A-j>", ":m '>+1<CR>gv=gv")
key("v", "<A-k>", ":m '<-2<CR>gv=gv")

-- Better window navigation
key("n", "<C-h>", "<C-w>h")
key("n", "<C-j>", "<C-w>j")
key("n", "<C-k>", "<C-w>k")
key("n", "<C-l>", "<C-w>l")

-- File commands
key("n", "<Leader>q", ":quit<CR>")
key("n", "<Leader>Q", ":quitall<CR>")
key("n", "<Leader>fs", ":write<CR>")
key("n", "<Leader>fd", ":lcd %:p:h<CR>", { silent = true })
key("n", "<Leader>fu", ":lcd ..<CR>", { silent = true })
key("n", "<Leader><Tab>", ":b#<CR>", { silent = true })
key("n", "<Leader>gr", ":!gh repo view -w<CR><CR>", { silent = true })
key("n", "<Leader>tt", [[<Cmd>exe 'edit $NOTES_PATH/journal/'.strftime("%Y-%m-%d_%a").'.md'<CR>]])
key("n", "<Leader>jj", ":!journal<CR>:e<CR>")

-- Window commands
key("n", "<Leader>wv", ":vsplit<CR>")
key("n", "<Leader>wh", ":split<CR>")
key("n", "<Leader>wm", ":only<CR>")

-- Vimrc editing
key("n", "<Leader>rr", ":luafile $MYVIMRC<CR>")
key("n", "<Leader>rp", ":luafile $MYVIMRC<CR>:PackerInstall<CR>:")
key("n", "<Leader>rc", ":luafile $MYVIMRC<CR>:PackerCompile<CR>")

-- Keep cursor in place
key("n", "n", "nzz")
key("n", "N", "Nzz")
key("n", "J", "mzJ`z") --- Mark and jump back to it

-- Add undo breakpoints
key("i", ",", ",<C-g>u")
key("i", ".", ".<C-g>u")
key("i", "!", "!<C-g>u")
key("i", "?", "?<C-g>u")

-- Resize with arrows
key("n", "<C-Up>", ":resize +2<CR>", { silent = true })
key("n", "<C-Down>", ":resize -2<CR>", { silent = true })
key("n", "<C-Left>", ":vertical resize -2<CR>", { silent = true })
key("n", "<C-Right>", ":vertical resize +2<CR>", { silent = true })

-- Other
key("t", "<A-CR>", "<C-\\><C-n>") --- Exit terminal mode
key("n", "<A-CR>", ":noh<CR>", { silent = true }) --- Clear search in VimWiki
key("n", "Y", "y$") --- Copy to end of line
key("v", "<C-r>", "y<Esc>:%s/<C-r>+//gc<left><left><left>") --- Substitute selected
key("v", "D", "y'>gp") --- Duplicate selected
key("v", "p", '"_dP') -- Don't overwrite register when pasting