从零开始配置 Neovim(Nvim)

-- define common options
local opts = {
    noremap = true,      -- non-recursive
    silent = true,       -- do not show message
}

-----------------
-- Normal mode --
-----------------

-- Hint: see `:h vim.map.set()`
-- Better window navigation
vim.keymap.set('n', '<C-h>', '<C-w>h', opts)
vim.keymap.set('n', '<C-j>', '<C-w>j', opts)
vim.keymap.set('n', '<C-k>', '<C-w>k', opts)
vim.keymap.set('n', '<C-l>', '<C-w>l', opts)

-- Resize with arrows
-- delta: 2 lines
vim.keymap.set('n', '<C-Up>', ':resize -2<CR>', opts)
vim.keymap.set('n', '<C-Down>', ':resize +2<CR>', opts)
vim.keymap.set('n', '<C-Left>', ':vertical resize -2<CR>', opts)
vim.keymap.set('n', '<C-Right>', ':vertical resize +2<CR>', opts)

-----------------
-- Visual mode --
-----------------

-- Hint: start visual mode with the same area as the previous area and the same mode
vim.keymap.set('v', '<', '<gv', opts)
vim.keymap.set('v', '>', '>gv', opts)

... -- 省略其他行
require("lazy").setup({
    ... -- 省略其他行
    {
        "saghen/blink.cmp",
        -- optional: provides snippets for the snippet source
        dependencies = { "rafamadriz/friendly-snippets" },

        -- Use a release tag to download pre-built binaries
        version = "*",
        -- AND/OR build from source, requires nightly: https://rust-lang.github.io/rustup/concepts/channels.html#working-with-nightly-rust
        -- build = 'cargo build --release',
        -- If you use Nix, you can build from source using the latest nightly rust with:
        -- build = 'nix run .#build-plugin',

        opts = {
            -- 'default' (recommended) for mappings similar to built-in completions (C-y to accept)
            -- 'super-tab' for mappings similar to VSCode (tab to accept)
            -- 'enter' for enter to accept
            -- 'none' for no mappings
            --
            -- All presets have the following mappings:
            -- C-space: Open menu or open docs if already open
            -- C-n/C-p or Up/Down: Select next/previous item
            -- C-e: Hide menu
            -- C-k: Toggle signature help (if signature.enabled = true)
            --
            -- See :h blink-cmp-config-keymap for defining your own keymap
            keymap = {
                -- Each keymap may be a list of commands and/or functions
                preset = "enter",
                -- Select completions
                ["<Up>"] = { "select_prev", "fallback" },
                ["<Down>"] = { "select_next", "fallback" },
                ["<Tab>"] = { "select_next", "fallback" },
                ["<S-Tab>"] = { "select_prev", "fallback" },
                -- Scroll documentation
                ["<C-b>"] = { "scroll_documentation_up", "fallback" },
                ["<C-f>"] = { "scroll_documentation_down", "fallback" },
                -- Show/hide signature
                ["<C-k>"] = { "show_signature", "hide_signature", "fallback" },
            },

            appearance = {
                -- 'mono' (default) for 'Nerd Font Mono' or 'normal' for 'Nerd Font'
                -- Adjusts spacing to ensure icons are aligned
                nerd_font_variant = "mono",
            },

            sources = {
                -- `lsp`, `buffer`, `snippets`, `path`, and `omni` are built-in
                -- so you don't need to define them in `sources.providers`
                default = { "lsp", "path", "snippets", "buffer" },

                -- Sources are configured via the sources.providers table
            },

            -- (Default) Rust fuzzy matcher for typo resistance and significantly better performance
            -- You may use a lua implementation instead by using `implementation = "lua"` or fallback to the lua implementation,
            -- when the Rust fuzzy matcher is not available, by using `implementation = "prefer_rust"`
            --
            -- See the fuzzy documentation for more information
            fuzzy = { implementation = "prefer_rust_with_warning" },
            completion = {
                -- The keyword should only match against the text before
                keyword = { range = "prefix" },
                menu = {
                    -- Use treesitter to highlight the label text for the given list of sources
                    draw = {
                        treesitter = { "lsp" },
                    },
                },
                -- Show completions after typing a trigger character, defined by the source
                trigger = { show_on_trigger_character = true },
                documentation = {
                    -- Show documentation automatically
                    auto_show = true,
                },
            },

            -- Signature help when tying
            signature = { enabled = true },
        },
        opts_extend = { "sources.default" },
    }
})

... -- 省略其他行
-- Remove Global Default Key mapping
vim.keymap.del("n", "grn")
vim.keymap.del("n", "gra")
vim.keymap.del("n", "grr")
vim.keymap.del("n", "gri")
vim.keymap.del("n", "gO")

-- Create keymapping
-- LspAttach: After an LSP Client performs "initialize" and attaches to a buffer.
vim.api.nvim_create_autocmd("LspAttach", {
    callback = function (args)
        local keymap = vim.keymap
        local lsp = vim.lsp
	    local bufopts = { noremap = true, silent = true }

        keymap.set("n", "gr", lsp.buf.references, bufopts)
        keymap.set("n", "gd", lsp.buf.definition, bufopts)
        keymap.set("n", "<space>rn", lsp.buf.rename, bufopts)
        keymap.set("n", "K", lsp.buf.hover, bufopts)
        keymap.set("n", "<space>f", function()
            vim.lsp.buf.format({ async = true })
        end, bufopts)
    end
})

vim.lsp.enable({ "ty" })