plugin.lua

require'nvim-treesitter.configs'.setup {
  -- 安装 language parser
  -- :TSInstallInfo 命令查看支持的语言
  ensure_installed = {"html", "css", "vim", "lua", "javascript", "typescript", "tsx"},
  -- 启用代码高亮功能
  highlight = {
    enable = true,
    additional_vim_regex_highlighting = false
  },
}

-- 开启 Folding
vim.wo.foldmethod = 'expr'
vim.wo.foldexpr = 'nvim_treesitter#foldexpr()'

-- lualine
require('lualine').setup {
  options = {
    icons_enabled = true,
    theme = 'everforest',
    --theme = "github_dimmed",
    component_separators = { left = '', right = ''},
    section_separators = { left = '', right = ''},
    disabled_filetypes = {},
    always_divide_middle = true,
    globalstatus = false,
  },
  sections = {
    lualine_a = {'mode'},
    lualine_b = {'branch', 'diff', 'diagnostics'},
    lualine_c = {'filename'},
    lualine_x = {'encoding', 'fileformat', 'filetype'},
    lualine_y = {'progress'},
    lualine_z = {'location'}
  },
  inactive_sections = {
    lualine_a = {},
    lualine_b = {},
    lualine_c = {'filename'},
    lualine_x = {'location'},
    lualine_y = {},
    lualine_z = {}
  },
  tabline = {},
  extensions = {}
}


-- bufferline
require('bufferline').setup {
  options = {
    mode = "buffers", -- set to "tabs" to only show tabpages instead
    numbers =  "both",
    close_command = "bdelete! %d",       -- can be a string | function, see "Mouse actions"
    right_mouse_command = "bdelete! %d", -- can be a string | function, see "Mouse actions"
    left_mouse_command = "buffer %d",    -- can be a string | function, see "Mouse actions"
    middle_mouse_command = nil,          -- can be a string | function, see "Mouse actions"
    --indicator_icon = '▎',
    buffer_close_icon = '',
    modified_icon = '●',
    close_icon = '',
    left_trunc_marker = '',
    right_trunc_marker = '',
    name_formatter = function(buf)  -- buf contains a "name", "path" and "bufnr"
      if buf.name:match('%.md') then
        return vim.fn.fnamemodify(buf.name, ':t:r')
      end
    end,
    max_name_length = 18,
    max_prefix_length = 15, -- prefix used when a buffer is de-duplicated
    tab_size = 18,
    diagnostics =  "coc",
    diagnostics_update_in_insert = false,
    -- The diagnostics indicator can be set to nil to keep the buffer name highlight but delete the highlighting
    diagnostics_indicator = function(count, level, diagnostics_dict, context)
      return "("..count..")"
    end,
    -- NOTE: this will be called a lot so don't do any heavy processing here
    custom_filter = function(buf_number, buf_numbers)
      -- filter out filetypes you don't want to see
      if vim.bo[buf_number].filetype ~= "<i-dont-want-to-see-this>" then
        return true
      end
      -- filter out by buffer name
      if vim.fn.bufname(buf_number) ~= "<buffer-name-I-dont-want>" then
        return true
      end
      -- filter out based on arbitrary rules
      -- e.g. filter out vim wiki buffer from tabline in your work repo
      if vim.fn.getcwd() == "<work-repo>" and vim.bo[buf_number].filetype ~= "wiki" then
        return true
      end
      -- filter out by it's index number in list (don't show first buffer)
      if buf_numbers[1] ~= buf_number then
        return true
      end
    end,
    offsets = {{filetype = "NvimTree", text = "File Explorer" , text_align = "left"}},
    color_icons = true , -- whether or not to add the filetype icon highlights
    show_buffer_icons = true , -- disable filetype icons for buffers
    show_buffer_close_icons = true ,
    show_buffer_default_icon = true , -- whether or not an unrecognised filetype should show a default icon
    show_close_icon = true ,
    show_tab_indicators = true ,
    persist_buffer_sort = true, -- whether or not custom sorted buffers should persist
    separator_style = "slant" ,
    enforce_regular_tabs =  true,
    always_show_bufferline = true ,
    sort_by = 'insert_after_current' ,
   }
}

-- TODO highlight
require('todo-comments').setup {
  signs = true, -- show icons in the signs column
  sign_priority = 8, -- sign priority
  -- keywords recognized as todo comments
  keywords = {
    FIX = {
      icon = " ", -- icon used for the sign, and in search results
      color = "error", -- can be a hex color, or a named color (see below)
      alt = { "FIXME", "BUG", "FIXIT", "ISSUE" }, -- a set of other keywords that all map to this FIX keywords
      -- signs = false, -- configure signs for some keywords individually
    },
    TODO = { icon = " ", color = "info" },
    HACK = { icon = " ", color = "warning" },
    WARN = { icon = " ", color = "warning", alt = { "WARNING", "XXX" } },
    PERF = { icon = " ", alt = { "OPTIM", "PERFORMANCE", "OPTIMIZE" } },
    NOTE = { icon = " ", color = "hint", alt = { "INFO" } },
    TEST = { icon = "⏲ ", color = "test", alt = { "TESTING", "PASSED", "FAILED" } },
  },
  gui_style = {
    fg = "NONE", -- The gui style to use for the fg highlight group.
    bg = "BOLD", -- The gui style to use for the bg highlight group.
  },
  merge_keywords = true, -- when true, custom keywords will be merged with the defaults
  -- highlighting of the line containing the todo comment
  -- * before: highlights before the keyword (typically comment characters)
  -- * keyword: highlights of the keyword
  -- * after: highlights after the keyword (todo text)
  highlight = {
    multiline = true, -- enable multine todo comments
    multiline_pattern = "^.", -- lua pattern to match the next multiline from the start of the matched keyword
    multiline_context = 10, -- extra lines that will be re-evaluated when changing a line
    before = "", -- "fg" or "bg" or empty
    keyword = "wide", -- "fg", "bg", "wide", "wide_bg", "wide_fg" or empty. (wide and wide_bg is the same as bg, but will also highlight surrounding characters, wide_fg acts accordingly but with fg)
    after = "fg", -- "fg" or "bg" or empty
    pattern = [[.*<(KEYWORDS)\s*]], -- pattern or table of patterns, used for highlightng (vim regex)
    comments_only = true, -- uses treesitter to match keywords in comments only
    max_line_len = 400, -- ignore lines longer than this
    exclude = {}, -- list of file types to exclude highlighting
  },
  -- list of named colors where we try to extract the guifg from the
  -- list of highlight groups or use the hex color if hl not found as a fallback
  colors = {
    error = { "DiagnosticError", "ErrorMsg", "#DC2626" },
    warning = { "DiagnosticWarn", "WarningMsg", "#FBBF24" },
    info = { "DiagnosticInfo", "#2563EB" },
    hint = { "DiagnosticHint", "#10B981" },
    default = { "Identifier", "#7C3AED" },
    test = { "Identifier", "#FF00FF" }
  },
  search = {
    command = "rg",
    args = {
      "--color=never",
      "--no-heading",
      "--with-filename",
      "--line-number",
      "--column",
    },
    -- regex that will be used to match keywords.
    -- don't replace the (KEYWORDS) placeholder
    pattern = [[\b(KEYWORDS)]], -- ripgrep regex
    -- pattern = [[\b(KEYWORDS)\b]], -- match without the extra colon. You'll likely get false positives
  },
}

-- indent line
vim.opt.list = true
--vim.opt.listchars:append "space:⋅"
--vim.opt.listchars:append "eol:↴"

require("indent_blankline").setup {
    --space_char_blankline = " ",
    show_current_context = true,
    show_current_context_start = true,
}