nvim: use buffer local and maplocalleader for binds

src/.config/nvim/init.vim

@@ -27,6 +27,7 @@ set lazyredraw nocursorline ttyfast
 set shortmess+=I
 
 let mapleader = ","
+let maplocalleader = " "
 
 " " use system clipboard instead of internal
 " set clipboard=unnamedplus

src/.config/nvim/lua/coding.lua

@@ -111,21 +111,21 @@ local on_attach = function(client, bufnr)
 	-- Enable completion triggered by <c-x><c-o>
 	buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
 
-	local opts = { noremap = true, silent = true }
+	local opts = { noremap = true, silent = true, buffer=bufnr }
 	keymap('gD', vim.lsp.buf.declaration, opts)
 	keymap('gd', vim.lsp.buf.definition, opts)
 	keymap('gK', vim.lsp.buf.hover, opts)
 	keymap('gi', vim.lsp.buf.implementation, opts)
 	keymap('gs', vim.lsp.buf.signature_help, opts)
 	keymap('gt', vim.lsp.buf.type_definition, opts)
-	keymap('<space>rn', vim.lsp.buf.rename, opts)
-	keymap('<space>ss', vim.lsp.buf.workspace_symbol, opts)
+	keymap('<localleader>rn', vim.lsp.buf.rename, opts)
+	keymap('<localleader>ss', vim.lsp.buf.workspace_symbol, opts)
 	keymap('gr', vim.lsp.buf.references, opts)
-	keymap('<space>e', vim.lsp.diagnostic.show_line_diagnostics, opts)
+	keymap('<localleader>e', vim.lsp.diagnostic.show_line_diagnostics, opts)
 	keymap('[d', vim.lsp.diagnostic.goto_prev, opts)
 	keymap(']d', vim.lsp.diagnostic.goto_next, opts)
-	keymap('<space>ca', vim.lsp.buf.code_action, opts)
-	keymap('<space>f', vim.lsp.buf.format, opts)
+	keymap('<localleader>ca', vim.lsp.buf.code_action, opts)
+	keymap('<localleader>f', vim.lsp.buf.format, opts)
 end
 
 -- table declares LSPs to be set up

src/.config/nvim/lua/confutil.lua

@@ -17,6 +17,7 @@ function M.keymap(key, cmd, params)
 		silent = true,
 		mode = { 'n' },
 		noremap = true,
+		buffer = false,
 	}
 	setmetatable(params, {
 		__index = function(table, k)
@@ -24,7 +25,12 @@ function M.keymap(key, cmd, params)
 		end
 	})
 
-	vim.keymap.set(params.mode, key, cmd, { silent = params.silent, noremap = params.noremap, expr = params.expr })
+	vim.keymap.set(params.mode, key, cmd, {
+		silent = params.silent,
+		noremap = params.noremap,
+		expr = params.expr,
+		buffer = params.buffer
+	})
 end
 
 -- see ~/.config/dot_profile.example for info