nvim/lua/lsp.lua
xfy 5d40b6c245 Defer heavy modules and disable built-in plugins to reduce startup time
- Disable unused built-in plugins at top of init.lua

- Defer treesitter and lsp to VimEnter

- Use packadd for on-demand plugin loading (conform, lspconfig, fugitive)

- Defer clipboard initialization to avoid provider check blocking

- Wrap LSP/diagnostic keymaps in functions to defer module loading

- Defer mini.icons setup to VimEnter

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-28 14:39:12 +08:00

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local lazy = require("lazy")
-- conform.nvim - BufWritePre 懒加载
local function setup_conform()
vim.cmd.packadd("conform.nvim")
local function biome_or_prettier()
if vim.fs.find({ "biome.json", "biome.jsonc" }, { upward = true, stop = vim.uv.os_homedir() })[1] then
return { "biome-check", "biome", stop_after_first = true }
end
return { "prettier" }
end
require("conform").setup({
formatters_by_ft = {
lua = { "stylua" },
go = { "gofumpt", "goimports" },
javascript = biome_or_prettier,
typescript = biome_or_prettier,
javascriptreact = biome_or_prettier,
typescriptreact = biome_or_prettier,
json = biome_or_prettier,
css = { "prettier" },
html = { "prettier" },
markdown = { "prettier" },
toml = { "taplo" },
},
format_on_save = function(bufnr)
if vim.b[bufnr].autoformat == false or vim.g.autoformat == false then
return nil
end
return { timeout_ms = 500, lsp_fallback = true }
end,
})
end
lazy.on_event("conform", "BufWritePre", "*", function()
setup_conform()
-- conform 的 setup 注册了 BufWritePre但新 autocmd 不会在同一次事件中触发
-- 所以这里手动调用 format 补偿第一次保存
local bufnr = vim.api.nvim_get_current_buf()
if vim.b[bufnr].autoformat ~= false and vim.g.autoformat ~= false then
require("conform").format({ bufnr = bufnr, timeout_ms = 500, lsp_fallback = true })
end
end)
-- mason + LSP 配置延迟到 VimEnter避免启动时加载
lazy.on_event("lsp", "VimEnter", "*", function()
vim.cmd.packadd("nvim-lspconfig")
require("mason").setup()
local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities = vim.tbl_deep_extend("force", capabilities, require("mini.completion").get_lsp_capabilities())
vim.lsp.config("*", { capabilities = capabilities })
vim.lsp.config("lua_ls", {
settings = {
Lua = {
diagnostics = { globals = { "vim" } },
},
},
})
vim.lsp.enable({
"html",
"cssls",
"gopls",
"vtsls",
"rust_analyzer",
"lua_ls",
"taplo",
"svelte",
"dartls",
"kotlin_lsp",
})
end)
-- LSP keymaps用 function 包装延迟 vim.lsp/vim.diagnostic 模块加载)
vim.keymap.set("n", "gd", function() vim.lsp.buf.definition() end, { desc = "Go to definition" })
vim.keymap.set("n", "gh", function() vim.lsp.buf.hover() end, { desc = "Hover" })
vim.keymap.set("n", "<leader>fm", function()
lazy.load("conform", setup_conform)
require("conform").format({ lsp_fallback = true })
end, { desc = "Format buffer" })
vim.keymap.set("n", "df", function() vim.diagnostic.open_float() end, { desc = "Show line diagnostics" })
vim.keymap.set("n", "<leader>ca", function() vim.lsp.buf.code_action() end, { desc = "Code action" })
local diagnostic_goto = function(next, severity)
return function()
vim.diagnostic.jump({
count = (next and 1 or -1) * vim.v.count1,
severity = severity and vim.diagnostic.severity[severity] or nil,
float = true,
})
end
end
vim.keymap.set("n", "]d", diagnostic_goto(true), { desc = "Next Diagnostic" })
vim.keymap.set("n", "[d", diagnostic_goto(false), { desc = "Prev Diagnostic" })
vim.keymap.set("n", "]e", diagnostic_goto(true, "ERROR"), { desc = "Next Error" })
vim.keymap.set("n", "[e", diagnostic_goto(false, "ERROR"), { desc = "Prev Error" })
vim.keymap.set("n", "]w", diagnostic_goto(true, "WARN"), { desc = "Next Warning" })
vim.keymap.set("n", "[w", diagnostic_goto(false, "WARN"), { desc = "Prev Warning" })
vim.api.nvim_create_autocmd("VimEnter", {
once = true,
callback = function()
vim.diagnostic.config({ virtual_text = true })
end,
})