first commit: Packer

README.md

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+## install packer
+
+> Unix, Linux Installation
+
+```shell
+git clone --depth 1 https://github.com/wbthomason/packer.nvim\
+ ~/.local/share/nvim/site/pack/packer/start/packer.nvim
+```
+
+> Windows Powershell Installation
+
+```shell
+git clone --depth 1 https://github.com/wbthomason/packer.nvim "$env:LOCALAPPDATA\nvim-data\site\pack\packer\start\packer.nvim"
+```

ginit.vim

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+if exists(':GuiFont')
+    GuiFont! JetBrainsMono\ Nerd\ Font:h11
+endif 

init.vim

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+" Packer 插件管理
+lua require('plugins')
+lua require('conf/nvim-treesitter-context')
+lua require('conf/nvim-treesitter')
+lua require('conf/nvim-tree')
+lua require('conf/bufferline')
+lua require('conf/toggleterm')
+
+" lua neovim 配置
+lua require('options')
+lua require('keymaps')
+lua require('colorscheme')
+
+" lsp
+lua require('lsp/setup')
+lua require('lsp/nvim-cmp')
+
+" 语法高亮
+" syntax on
+
+" 显示行号
+" set rnu
+" set number
+set number relativenumber
+
+set encoding=utf-8
+set termencoding=utf-8
+set fileencoding=utf-8
+set fileencodings=ucs-bom,utf-8,chinese,cp936
+set mouse=a        " 启用鼠标
+
+" 退出vim重置光标
+:autocmd VimLeave * set guicursor= | call chansend(v:stderr, "\x1b[ q")
+
+set guifont=JetBrainsMono\ Nerd\ Font:h12
+
+" 回车自动换行
+" nnoremap <CR> i<CR><Esc>
+
+" add tab space
+set ts=4 " tabstop
+set softtabstop=4 " 在编辑模式的时候按退格键的时候退回缩进的长度
+set shiftwidth=4 " 每一级缩进的长度
+" expandtab 缩进用空格来表示，noexpandtab 则是用制表符表示一个缩进。
+set expandtab
+set autoindent " 自动缩进
+

lua/colorscheme.lua

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+-- colorscheme.lua for theme
+
+-- Default options
+require('nightfox').setup({
+    options = {
+      -- Compiled file's destination location
+      compile_path = vim.fn.stdpath("cache") .. "/nightfox",
+      compile_file_suffix = "_compiled", -- Compiled file suffix
+      transparent = true,     -- Disable setting background
+      terminal_colors = true,  -- Set terminal colors (vim.g.terminal_color_*) used in `:terminal`
+      dim_inactive = false,    -- Non focused panes set to alternative background
+      module_default = true,   -- Default enable value for modules
+      colorblind = {
+        enable = false,        -- Enable colorblind support
+        simulate_only = false, -- Only show simulated colorblind colors and not diff shifted
+        severity = {
+          protan = 0,          -- Severity [0,1] for protan (red)
+          deutan = 0,          -- Severity [0,1] for deutan (green)
+          tritan = 0,          -- Severity [0,1] for tritan (blue)
+        },
+      },
+      styles = {               -- Style to be applied to different syntax groups
+        comments = "NONE",     -- Value is any valid attr-list value `:help attr-list`
+        conditionals = "NONE",
+        constants = "NONE",
+        functions = "NONE",
+        keywords = "NONE",
+        numbers = "NONE",
+        operators = "NONE",
+        strings = "NONE",
+        types = "NONE",
+        variables = "NONE",
+      },
+      inverse = {             -- Inverse highlight for different types
+        match_paren = false,
+        visual = false,
+        search = false,
+      },
+      modules = {             -- List of various plugins and additional options
+        -- ...
+      },
+    },
+    palettes = {},
+    specs = {},
+    groups = {},
+  })
+
+  -- setup must be called before loading
+  vim.cmd("colorscheme nightfox")
+

lua/conf/bufferline.lua

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+vim.opt.termguicolors = true
+require("bufferline").setup {
+    options = {
+        -- 使用 nvim 内置lsp
+        diagnostics = "nvim_lsp",
+        -- 左侧让出 nvim-tree 的位置
+        offsets = {{
+            filetype = "NvimTree",
+            text = "File Explorer",
+            highlight = "Directory",
+            text_align = "left"
+        }}
+    }
+}

lua/conf/nvim-tree.lua

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+require'nvim-tree'.setup {
+	sort = {
+		sorter = "case_sensitive",
+	},
+	view = {
+		width = 27,
+	},
+	renderer = {
+		group_empty = true,
+	},
+	filters = {
+		dotfiles = true,
+	},
+	-- 不显示 git 状态图标
+	git = {
+		enable = false
+	}
+}

lua/conf/nvim-treesitter-context.lua

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+require'treesitter-context'.setup{
+  enable = true, -- Enable this plugin (Can be enabled/disabled later via commands)
+  max_lines = 0, -- How many lines the window should span. Values <= 0 mean no limit.
+  min_window_height = 0, -- Minimum editor window height to enable context. Values <= 0 mean no limit.
+  line_numbers = true,
+  multiline_threshold = 20, -- Maximum number of lines to show for a single context
+  trim_scope = 'outer', -- Which context lines to discard if `max_lines` is exceeded. Choices: 'inner', 'outer'
+  mode = 'cursor',  -- Line used to calculate context. Choices: 'cursor', 'topline'
+  -- Separator between context and content. Should be a single character string, like '-'.
+  -- When separator is set, the context will only show up when there are at least 2 lines above cursorline.
+  separator = nil,
+  zindex = 20, -- The Z-index of the context window
+  on_attach = nil, -- (fun(buf: integer): boolean) return false to disable attaching
+}

lua/conf/nvim-treesitter.lua

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+require'nvim-treesitter.configs'.setup {
+	-- A list of parser names, or "all" (the five listed parsers should always be installed)
+	ensure_installed = { "c", "lua", "vim", "vimdoc", "query","cpp", "python", "rust"},
+
+	-- Install parsers synchronously (only applied to `ensure_installed`)
+	sync_install = false,
+
+	-- Automatically install missing parsers when entering buffer
+	-- Recommendation: set to false if you don't have `tree-sitter` CLI installed locally
+	auto_install = true,
+
+	-- List of parsers to ignore installing (or "all")
+	ignore_install = { "javascript" },
+
+	---- If you need to change the installation directory of the parsers (see -> Advanced Setup)
+	-- parser_install_dir = "/some/path/to/store/parsers", -- Remember to run vim.opt.runtimepath:append("/some/path/to/store/parsers")!
+
+	highlight = {
+		enable = true,
+
+		-- NOTE: these are the names of the parsers and not the filetype. (for example if you want to
+		-- disable highlighting for the `tex` filetype, you need to include `latex` in this list as this is
+		-- the name of the parser)
+		-- list of language that will be disabled
+		disable = {  },
+		-- Or use a function for more flexibility, e.g. to disable slow treesitter highlight for large files
+		disable = function(lang, buf)
+			local max_filesize = 100 * 1024 -- 100 KB
+			local ok, stats = pcall(vim.loop.fs_stat, vim.api.nvim_buf_get_name(buf))
+			if ok and stats and stats.size > max_filesize then
+				return true
+			end
+		end,
+
+		-- Setting this to true will run `:h syntax` and tree-sitter at the same time.
+		-- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
+		-- Using this option may slow down your editor, and you may see some duplicate highlights.
+		-- Instead of true it can also be a list of languages
+		additional_vim_regex_highlighting = false,
+	},
+	-- 启用增量选择
+	incremental_selection = {
+		enable = true,
+		keymaps = {
+			init_selection = '<CR>',
+			node_incremental = '<CR>',
+			node_decremental = '<BS>',
+			scope_incremental = '<TAB>',
+		}
+	},
+	-- 启用基于Treesitter的代码格式化(=) . NOTE: This is an experimental feature.
+	indent = {
+		enable = true
+	}
+}
+-- 开启 Folding
+vim.wo.foldmethod = 'expr'
+vim.wo.foldexpr = 'nvim_treesitter#foldexpr()'
+-- 默认不要折叠
+-- https://stackoverflow.com/questions/8316139/how-to-set-the-default-to-unfolded-when-you-open-a-file
+vim.wo.foldlevel = 99
+

lua/conf/toggleterm.lua

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+-- termainl
+local opt = require("toggleterm").setup({
+    open_mapping = [[<c-`>]],
+    -- 打开新终端后自动进入插入模式
+    start_in_insert = true,
+    -- 在当前buffer的下方打开新终端
+    direction = 'horizontal'
+})

lua/keymaps.lua

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+-- keymaps.lua for keymap
+
+-- Modes
+--   normal_mode = "n",
+--   insert_mode = "i",
+--   visual_mode = "v",
+--   visual_block_mode = "x",
+--   term_mode = "t",
+--   command_mode = "c",
+
+-- leader key 为空
+vim.g.mapleader = " "
+vim.g.maplocalleader = " "
+
+local opt = {
+  noremap = true,
+  silent = true,
+}
+
+-- 本地变量
+local map = vim.api.nvim_set_keymap
+-- nvimTree
+map('n', '<A-m>', ':NvimTreeToggle<CR>', opt)
+map('n', '<A-h>', ':NvimTreeFocus<CR>', opt)
+map('n', '<A-r>', ':NvimTreeRefresh<CR>', opt)
+-- bufferline 左右Tab切换
+map("n", "<C-h>", ":BufferLineCyclePrev<CR>", opt)
+map("n", "<C-l>", ":BufferLineCycleNext<CR>", opt)
+
+--
+local pluginKeys = {}
+-- nvim-cmp 自动补全
+pluginKeys.cmp = function(cmp)
+  return {
+    -- 上一个
+    ['<C-k>'] = cmp.mapping.select_prev_item(),
+    -- 下一个
+	['<Tab>'] = cmp.mapping.select_next_item(),
+    ['<C-j>'] = cmp.mapping.select_next_item(),
+    -- 出现补全
+    ['<A-.>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c' }),
+    -- 取消
+    ['<A-,>'] = cmp.mapping({
+      i = cmp.mapping.abort(),
+      c = cmp.mapping.close(),
+    }),
+    -- 确认
+    -- Accept currently selected item. If none selected, `select` first item.
+    -- Set `select` to `false` to only confirm explicitly selected items.
+    ['<CR>'] = cmp.mapping.confirm({
+      select = true ,
+      behavior = cmp.ConfirmBehavior.Replace
+    }),
+    -- ['<C-y>'] = cmp.config.disable, -- Specify `cmp.config.disable` if you want to remove the default `<C-y>` mapping.
+    ['<C-u>'] = cmp.mapping(cmp.mapping.scroll_docs(-4), { 'i', 'c' }),
+    ['<C-d>'] = cmp.mapping(cmp.mapping.scroll_docs(4), { 'i', 'c' }),
+  }
+end
+
+-- lsp 回调函数快捷键设置
+pluginKeys.maplsp = function(mapbuf)
+  -- rename
+  mapbuf('n', '<leader>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opt)
+  -- code action
+  mapbuf('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opt)
+  -- go xx
+  mapbuf('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opt)
+  mapbuf('n', 'gh', '<cmd>lua vim.lsp.buf.hover()<CR>', opt)
+  mapbuf('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opt)
+  mapbuf('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opt)
+  mapbuf('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opt)
+  -- diagnostic
+  mapbuf('n', 'go', '<cmd>lua vim.diagnostic.open_float()<CR>', opt)
+  mapbuf('n', 'gp', '<cmd>lua vim.diagnostic.goto_prev()<CR>', opt)
+  mapbuf('n', 'gn', '<cmd>lua vim.diagnostic.goto_next()<CR>', opt)
+  -- mapbuf('n', '<leader>q', '<cmd>lua vim.diagnostic.setloclist()<CR>', opt)
+  -- leader + =
+  mapbuf('n', '<leader>=', '<cmd>lua vim.lsp.buf.formatting()<CR>', opt)
+  -- mapbuf('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opt)
+  -- mapbuf('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opt)
+  -- mapbuf('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opt)
+  -- mapbuf('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opt)
+  -- mapbuf('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opt)
+end
+
+return pluginKeys

lua/lsp/config/lua.lua

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+require'lspconfig'.lua_ls.setup {
+	settings = {
+		Lua = {
+			runtime = {
+				-- Tell the language server which version of lua you're using
+				-- (most likely LuaJIT in the case of Neovim)
+				version = 'LuaJIT',
+			},
+			diagnostics = {
+				-- Get the language server to recognize the `vim` global
+				global = {
+					'vim',
+					'require'
+				},
+			},
+			workspace = {
+				-- Make the server aware of Neovim runtime files
+				library = vim.api.nvim_get_runtime_file("", true),
+			},
+			-- Do not send telemetry data containing a randomized but unique identifier
+			telemetry = {
+				enable = false,
+			},
+		}
+	},
+	on_init = function(client)
+		local path = client.workspace_folders[1].name
+		if vim.loop.fs_stat(path..'/.luarc.json') or vim.loop.fs_stat(path..'/.luarc.jsonc') then
+			return
+		end
+
+		client.config.settings.Lua = vim.tbl_deep_extend('force', client.config.settings.Lua, {
+			runtime = {
+				-- Tell the language server which version of Lua you're using
+				-- (most likely LuaJIT in the case of Neovim)
+				version = 'LuaJIT'
+			},
+			-- Make the server aware of Neovim runtime files
+			workspace = {
+				checkThirdParty = false,
+				library = {
+					vim.env.VIMRUNTIME
+					-- Depending on the usage, you might want to add additional paths here.
+					-- "${3rd}/luv/library"
+					-- "${3rd}/busted/library",
+				}
+					-- or pull in all of 'runtimepath'. NOTE: this is a lot slower
+					-- library = vim.api.nvim_get_runtime_file("", true)
+				}
+			})
+	end
+}

lua/lsp/config/markdown.lua

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+local opts = {
+  flags = {
+    debounce_text_changes = 150,
+  },
+  on_attach = function(client, bufnr)
+    local function buf_set_keymap(...)
+      vim.api.nvim_buf_set_keymap(bufnr, ...)
+    end
+    require("keybindings").mapLSP(buf_set_keymap)
+  end,
+}
+return {
+  on_setup = function(server)
+    server.setup(opts)
+  end,
+}