neovim: replace dashboard-nvim with alpha-nvim + persistence.nvim

home/.config/nvim/lua/colors/nord.lua

@@ -1,3 +1,4 @@
+-- TODO: add other highlight groups from nord.vim
 local M = {}
 
 M.colors = {
@@ -306,7 +307,7 @@ local function highlight_plugins()
     hi('EftChar'   , c.orange, '', 'bold,underline', '')
     hi('EftSubChar', c.grey3, '', 'bold,underline', '')
 
-    -- Dashboard
+    -- dashboard-nvim / alpha-nvim
     hi('DashboardHeader'  , c.cyan       , '', 'bold'       , '')
     hi('DashboardCenter'  , c.blue       , '', 'bold'       , '')
     hi('DashboardShortcut', c.grey_bright, '', 'bold,italic', '')

home/.config/nvim/lua/events.lua

@@ -68,7 +68,6 @@ function M.load_autocmds()
         },
 
         ft = {
-            {"FileType", "dashboard", "set showtabline=0 | autocmd WinLeave <buffer> set showtabline=2"},
             {"BufNewFile,BufRead", "*.md,*.mkd", "setfiletype markdown"},
             {"BufNewFile,BufRead", "*.toml", "setfiletype toml"},
             {"BufNewFile,BufRead", "*.rasi", "setfiletype css"},

home/.config/nvim/lua/mappings.lua

@@ -129,7 +129,7 @@ wk.register({
         d = {':bdelete<CR>', 'Close buffer'},
         j = {':BufferLineCyclePrev<CR>', 'Previous buffer'},
         k = {':BufferLineCycleNext<CR>', 'Next buffer'},
-        n = {':DashboardNewFile<CR>', 'New file'},
+        n = {':enew <BAR> startinsert <CR>', 'New buffer'},
         u = {':UndotreeToggle<CR>', 'Undotree'},
         z = {':ZenMode<CR>', 'Zen mode'}
     },
@@ -147,6 +147,14 @@ wk.register({
         t = {':lua require("dapui").open()<CR>', 'Toggle UI'}
     },
 
+    e = {
+        name = 'Session',
+        s = {':lua require("persistence").save()<CR>', 'Save session for current directory'},
+        d = {':lua require("persistence").stop()<CR>', 'Stop automatically saving'},
+        l = {':lua require("persistence").load({last = true})<CR>', 'Load last session'},
+        r = {':lua require("persistence").load()<CR>', 'Load session for current directory'}
+    },
+
     -- Telescope
     f = {
         name = 'Telescope',

home/.config/nvim/lua/modules/editor.lua

@@ -23,6 +23,7 @@ function M.blankline_conf()
     vim.g.indent_blankline_filetype_exclude = {
         'startify',
         'dashboard',
+        'alpha',
         'dotooagenda',
         'log',
         'fugitive',

home/.config/nvim/lua/modules/tools.lua

@@ -259,4 +259,11 @@ function M.neoscroll_conf()
     require('neoscroll').setup()
 end
 
+function M.session_conf()
+    require('persistence').setup {
+        dir = vim.fn.expand(vim.fn.stdpath('data') .. '/sessions/'),
+        options = {'buffers', 'curdir', 'tabpages', 'winsize'}
+    }
+end
+
 return M

home/.config/nvim/lua/modules/ui.lua

@@ -1,35 +1,95 @@
 local M = {}
 
 function M.dashboard_conf()
-    -- vim.g.dashboard_disable_at_vimenter = 1
+    local dashboard = require('alpha.themes.dashboard')
-    -- vim.g.dashboard_disable_statusline = 1
+    local button = dashboard.button
-    vim.g.dashboard_preview_file_height = 12
+
-    vim.g.dashboard_preview_file_width = 80
+    dashboard.section.header = {
-    vim.g.dashboard_default_executive = 'telescope'
+        type = 'text',
-    vim.g.dashboard_session_directory = vim.fn.stdpath('data') .. '/sessions'
+        val = {
-    vim.g.dashboard_custom_section = {
+            [[<-. (`-')_  (`-')  _                 (`-')  _     <-. (`-')  ]],
-        a = {description = {'  Find File                 SPC f f'}, command = 'DashboardFindFile'},
+            [[   \( OO) ) ( OO).-/     .->        _(OO ) (_)       \(OO )_ ]],
-        b = {description = {'  Recents                   SPC f o'}, command = 'DashboardFindHistory'},
+            [[,--./ ,--/ (,------.(`-')----. ,--.(_/,-.\ ,-(`-'),--./  ,-.)]],
-        c = {description = {'  Find Word                 SPC f g'}, command = 'DashboardFindWord'},
+            [[|   \ |  |  |  .---'( OO).-.  '\   \ / (_/ | ( OO)|   `.'   |]],
-        d = {description = {'洛 New File                  SPC b n'}, command = 'DashboardNewFile'},
+            [[|  . '|  |)(|  '--. ( _) | |  | \   /   /  |  |  )|  |'.'|  |]],
-        e = {description = {'  Bookmarks                 SPC f m'}, command = 'DashboardJumpMark'}
+            [[|  |\    |  |  .--'  \|  |)|  |_ \     /_)(|  |_/ |  |   |  |]],
+            [[|  | \   |  |  `---.  '  '-'  '\-'\   /    |  |'->|  |   |  |]],
+            [[`--'  `--'  `------'   `-----'     `-'     `--'   `--'   `--']]
+        },
+        opts = {
+            position = 'center',
+            -- wrap = 'overflow',
+            hl = 'DashboardHeader'
         }
-    vim.g.dashboard_custom_header = {
-        "                                                             ",
-        "                                                             ",
-        "                                                             ",
-        "<-. (`-')_  (`-')  _                 (`-')  _     <-. (`-')  ",
-        "   \\( OO) ) ( OO).-/     .->        _(OO ) (_)       \\(OO )_ ",
-        ",--./ ,--/ (,------.(`-')----. ,--.(_/,-.\\ ,-(`-'),--./  ,-.)",
-        "|   \\ |  |  |  .---'( OO).-.  '\\   \\ / (_/ | ( OO)|   `.'   |",
-        "|  . '|  |)(|  '--. ( _) | |  | \\   /   /  |  |  )|  |'.'|  |",
-        "|  |\\    |  |  .--'  \\|  |)|  |_ \\     /_)(|  |_/ |  |   |  |",
-        "|  | \\   |  |  `---.  '  '-'  '\\-'\\   /    |  |'->|  |   |  |",
-        "`--'  `--'  `------'   `-----'     `-'     `--'   `--'   `--'",
     }
-    vim.g.dashboard_custom_footer = {
+
-        'おかえりなさい'
+    dashboard.section.footer = {
+        type = 'text',
+        val = 'おかえりなさい',
+        opts = {
+            position = 'center',
+            hl = 'DashboardFooter'
         }
+    }
+
+    button = function(sc, txt, keybind, keybind_opts)
+        local sc_ = sc:gsub('%s', ''):gsub('SPC', '<leader>')
+
+        local opts = {
+            position = 'center',
+            shortcut = sc,
+            cursor = 5,
+            width = 50,
+            align_shortcut = 'right',
+            hl = 'DashboardCenter',
+            hl_shortcut = 'DashboardShortcut',
+        }
+        if keybind then
+            keybind_opts = vim.F.if_nil(keybind_opts, {noremap = true, silent = true, nowait = true})
+            opts.keymap = {'n', sc_, keybind, keybind_opts}
+        end
+
+        local function on_press()
+            local key = vim.api.nvim_replace_termcodes(sc_ .. '<Ignore>', true, false, true)
+            vim.api.nvim_feedkeys(key, 'normal', false)
+        end
+
+        return {
+            type = 'button',
+            val = txt,
+            on_press = on_press,
+            opts = opts,
+        }
+    end
+
+    dashboard.section.buttons = {
+        type = 'group',
+        val = {
+            button('SPC b n', '  New file'),
+            button('SPC f f', '  Find file'),
+            button('SPC f o', '  Recent files'),
+            button('SPC f g', '  Find word'),
+            button('SPC f m', '  Bookmarks'),
+            button('SPC e l', '  Load last session')
+        },
+        opts = {spacing = 1}
+    }
+
+    require('alpha').setup {
+        layout = {
+            {type = 'padding', val = 4},
+            dashboard.section.header,
+            {type = 'padding', val = 2},
+            dashboard.section.buttons,
+            dashboard.section.footer
+        },
+        opts = {margin = 5}
+    }
+
+    -- Hide tabline in dashboard buffer
+    vim.api.nvim_command [[
+autocmd FileType alpha set showtabline=0 | autocmd BufUnload <buffer> set showtabline=2
+]]
 end
 
 function M.statusline_conf()

home/.config/nvim/lua/plugins.lua

@@ -25,18 +25,9 @@ return require('packer').startup(
         --------
         local ui = require('modules.ui')
         use {
-            'glepnir/dashboard-nvim',
+            'goolord/alpha-nvim',
-            cmd = {
+            event = 'VimEnter',
-                'Dashboard',
+            config = ui.dashboard_conf
-                'DashboardNewFile',
-                'DashboardFindFile',
-                'DashboardFindHistory',
-                'DashboardFindWord',
-                'DashboardJumpMark',
-                'SessionLoad',
-                'SessionSave'
-            },
-            setup = ui.dashboard_conf
         }
         use { -- TODO: consider moving to feline.nvim
             'glepnir/galaxyline.nvim',
@@ -380,10 +371,15 @@ return require('packer').startup(
             run = ':TSInstall http',
             config = tools.rest_conf
         }
-        use {
+        use { -- TODO: move to formater.nvim
             'sbdchd/neoformat',
             cmd = 'Neoformat'
         }
+        use {
+            'folke/persistence.nvim',
+            event = 'BufReadPre',
+            config = tools.session_conf
+        }
         use {'tweekmonster/startuptime.vim', cmd = 'StartupTime'} -- Just for benchmarking
 
         -- TODO: dial.nvim, rust-tools.nvim, crates.nvim, go.nvim, clojure-vim/*, vim-pandoc