From 9ee30af870b23ed695708b0e36d35e52b8390cba Mon Sep 17 00:00:00 2001
From: Tovi Jaeschke-Rogers <tovi.jaeschke-rogers@four.io>
Date: Tue, 26 Jul 2022 20:22:09 +0930
Subject: [PATCH] Tue 26 Jul 2022 20:22:09 ACST

---
 .config/nvim/lua/config/cmp.lua     | 116 ++++++++++++++++++++++++++++
 .config/nvim/lua/config/luasnip.lua |  14 ++++
 .config/nvim/lua/lsp/init.lua       |  52 +++++++++++++
 .config/nvim/lua/lsp/installer.lua  |  26 +++++++
 .config/nvim/lua/lsp/keymaps.lua    |  36 +++++++++
 .config/nvim/lua/utils/init.lua     |  37 +++++++++
 6 files changed, 281 insertions(+)
 create mode 100644 .config/nvim/lua/config/cmp.lua
 create mode 100644 .config/nvim/lua/config/luasnip.lua
 create mode 100644 .config/nvim/lua/lsp/init.lua
 create mode 100644 .config/nvim/lua/lsp/installer.lua
 create mode 100644 .config/nvim/lua/lsp/keymaps.lua
 create mode 100644 .config/nvim/lua/utils/init.lua

diff --git a/.config/nvim/lua/config/cmp.lua b/.config/nvim/lua/config/cmp.lua
new file mode 100644
index 0000000..cb2beb4
--- /dev/null
+++ b/.config/nvim/lua/config/cmp.lua
@@ -0,0 +1,116 @@
+local M = {}
+
+function M.setup()
+  local has_words_before = function()
+    local line, col = unpack(vim.api.nvim_win_get_cursor(0))
+    return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match "%s" == nil
+  end
+
+  local luasnip = require("luasnip")
+  local cmp = require("cmp")
+
+  cmp.setup {
+    completion = { completeopt = "menu,menuone,noinsert", keyword_length = 1 },
+    experimental = { native_menu = false, ghost_text = false },
+    snippet = {
+      expand = function(args)
+        require("luasnip").lsp_expand(args.body)
+      end,
+    },
+    formatting = {
+      format = function(entry, vim_item)
+        vim_item.menu = ({
+          nvim_lsp = "[LSP]",
+          buffer = "[Buffer]",
+          luasnip = "[Snip]",
+          nvim_lua = "[Lua]",
+          treesitter = "[Treesitter]",
+          path = "[Path]",
+        })[entry.source.name]
+        return vim_item
+      end,
+    },
+    mapping = {
+      ["<C-k>"] = cmp.mapping(cmp.mapping.select_prev_item(), { "i", "c" }),
+      ["<C-j>"] = cmp.mapping(cmp.mapping.select_next_item(), { "i", "c" }),
+      ["<C-b>"] = cmp.mapping(cmp.mapping.scroll_docs(-4), { "i", "c" }),
+      ["<C-f>"] = cmp.mapping(cmp.mapping.scroll_docs(4), { "i", "c" }),
+      ["<C-Space>"] = cmp.mapping(cmp.mapping.complete(), { "i", "c" }),
+      ["<C-e>"] = cmp.mapping { i = cmp.mapping.close(), c = cmp.mapping.close() },
+      ["<CR>"] = cmp.mapping {
+        i = cmp.mapping.confirm { behavior = cmp.ConfirmBehavior.Replace, select = false },
+        c = function(fallback)
+          if cmp.visible() then
+            cmp.confirm { behavior = cmp.ConfirmBehavior.Replace, select = false }
+          else
+            fallback()
+          end
+        end,
+      },
+      ["<Tab>"] = cmp.mapping(function(fallback)
+        if cmp.visible() then
+          cmp.select_next_item()
+        elseif luasnip.expand_or_jumpable() then
+          luasnip.expand_or_jump()
+        elseif has_words_before() then
+          cmp.complete()
+        else
+          fallback()
+        end
+      end, {
+      "i",
+      "s",
+      "c",
+    }),
+    ["<S-Tab>"] = cmp.mapping(function(fallback)
+      if cmp.visible() then
+        cmp.select_prev_item()
+      elseif luasnip.jumpable(-1) then
+        luasnip.jump(-1)
+      else
+        fallback()
+      end
+    end, {
+    "i",
+    "s",
+    "c",
+  }),
+},
+sources = {
+  { name = "nvim_lsp" },
+  { name = "treesitter" },
+  { name = "buffer" },
+  { name = "luasnip" },
+  { name = "nvim_lua" },
+  { name = "path" },
+  -- { name = "spell" },
+  -- { name = "emoji" },
+  -- { name = "calc" },
+},
+window = {
+  documentation = {
+    border = { "╭", "─", "╮", "│", "╯", "─", "╰", "│" },
+    winhighlight = "NormalFloat:NormalFloat,FloatBorder:TelescopeBorder",
+  },
+},
+  }
+
+  -- Use buffer source for `/`
+  cmp.setup.cmdline("/", {
+    sources = {
+      { name = "buffer" },
+    },
+  })
+
+  -- Use cmdline & path source for ':'
+  cmp.setup.cmdline(":", {
+    sources = cmp.config.sources({
+      { name = "path" },
+    }, {
+      { name = "cmdline" },
+    }),
+  })
+
+end
+
+return M
diff --git a/.config/nvim/lua/config/luasnip.lua b/.config/nvim/lua/config/luasnip.lua
new file mode 100644
index 0000000..10ecf74
--- /dev/null
+++ b/.config/nvim/lua/config/luasnip.lua
@@ -0,0 +1,14 @@
+local M = {}
+
+function M.setup()
+  local luasnip = require "luasnip"
+
+  luasnip.config.set_config {
+    history = false,
+    updateevents = "TextChanged,TextChangedI",
+  }
+
+  require("luasnip/loaders/from_vscode").load()
+end
+
+return M
diff --git a/.config/nvim/lua/lsp/init.lua b/.config/nvim/lua/lsp/init.lua
new file mode 100644
index 0000000..700b0ee
--- /dev/null
+++ b/.config/nvim/lua/lsp/init.lua
@@ -0,0 +1,52 @@
+local M = {}
+
+local servers = {
+  gopls = {},
+  html = {},
+  jsonls = {},
+  pyright = {},
+  tsserver = {},
+  vimls = {},
+  dartls = {},
+  dockerls = {},
+  intelephense = {},
+  sqlls = {},
+  volar = {},
+}
+
+local function on_attach(client, bufnr)
+  -- Enable completion triggered by <C-X><C-O>
+  -- See `:help omnifunc` and `:help ins-completion` for more information.
+  vim.api.nvim_buf_set_option(bufnr, "omnifunc", "v:lua.vim.lsp.omnifunc")
+
+  -- Use LSP as the handler for formatexpr.
+  -- See `:help formatexpr` for more information.
+  vim.api.nvim_buf_set_option(0, "formatexpr", "v:lua.vim.lsp.formatexpr()")
+
+  -- Configure key mappings
+  require("lsp.keymaps").setup(client, bufnr)
+end
+
+local lsp_signature = require "lsp_signature"
+lsp_signature.setup {
+  bind = true,
+  handler_opts = {
+    border = "rounded",
+  },
+}
+
+local capabilities = require("cmp_nvim_lsp").update_capabilities(vim.lsp.protocol.make_client_capabilities())
+
+local opts = {
+  on_attach = on_attach,
+  capabilities = cababilities,
+  flags = {
+    debounce_text_changes = 150,
+  },
+}
+
+function M.setup()
+  require("lsp.installer").setup(servers, opts)
+end
+
+return M
diff --git a/.config/nvim/lua/lsp/installer.lua b/.config/nvim/lua/lsp/installer.lua
new file mode 100644
index 0000000..012eb69
--- /dev/null
+++ b/.config/nvim/lua/lsp/installer.lua
@@ -0,0 +1,26 @@
+local lsp_installer_servers = require "nvim-lsp-installer.servers"
+local utils = require "utils"
+
+local M = {}
+
+function M.setup(servers, options)
+  for server_name, _ in pairs(servers) do
+    local server_available, server = lsp_installer_servers.get_server(server_name)
+
+    if server_available then
+      server:on_ready(function()
+        local opts = vim.tbl_deep_extend("force", options, servers[server.name] or {})
+        server:setup(opts)
+      end)
+
+      if not server:is_installed() then
+        utils.info("Installing " .. server.name)
+        server:install()
+      end
+    else
+      utils.error(server)
+    end
+  end
+end
+
+return M
diff --git a/.config/nvim/lua/lsp/keymaps.lua b/.config/nvim/lua/lsp/keymaps.lua
new file mode 100644
index 0000000..1a641f0
--- /dev/null
+++ b/.config/nvim/lua/lsp/keymaps.lua
@@ -0,0 +1,36 @@
+local M = {}
+
+local keymap = vim.api.nvim_set_keymap
+local buf_keymap = vim.api.nvim_buf_set_keymap
+
+local function keymappings(client, bufnr)
+  local opts = { noremap = true, silent = true }
+
+  -- Key mappings
+  vim.keymap.set("n", "K", vim.lsp.buf.hover, opts)
+  vim.keymap.set("n", "[d", vim.diagnostic.goto_prev, opts)
+  vim.keymap.set("n", "]d", vim.diagnostic.goto_next, opts)
+  vim.keymap.set("n", "[e", function () vim.diagnostic.goto_prev({severity = vim.diagnostic.severity.ERROR}) end, opts)
+  vim.keymap.set("n", "]e", function () vim.diagnostic.goto_next({severity = vim.diagnostic.severity.ERROR}) end, opts)
+
+  vim.keymap.set("n", "<leader>rn", vim.lsp.buf.rename, opts)
+  vim.keymap.set("n", "K", vim.lsp.buf.code_action, opts)
+  vim.keymap.set("n", "<leader>of", vim.diagnostic.open_float, opts)
+
+  if client.resolved_capabilities.document_formatting then
+    vim.keymap.set("n", "<leader>ff", vim.lsp.buf.formatting, opts)
+  end
+
+  vim.keymap.set("n", "<leader>d", vim.lsp.buf.definition, opts)
+  vim.keymap.set("n", "<leader>D", vim.lsp.buf.declaration, opts)
+  vim.keymap.set("n", "<leader>h", vim.lsp.buf.signature_help, opts)
+  vim.keymap.set("n", "<leader>i", vim.lsp.buf.implementation, opts)
+  vim.keymap.set("n", "<leader>T", vim.lsp.buf.type_definition, opts)
+
+end
+
+function M.setup(client, bufnr)
+  keymappings(client, bufnr)
+end
+
+return M
diff --git a/.config/nvim/lua/utils/init.lua b/.config/nvim/lua/utils/init.lua
new file mode 100644
index 0000000..03897f8
--- /dev/null
+++ b/.config/nvim/lua/utils/init.lua
@@ -0,0 +1,37 @@
+_G.dump = function(...)
+  print(vim.inspect(...))
+end
+
+_G.prequire = function(...)
+  local status, lib = pcall(require, ...)
+  if status then
+    return lib
+  end
+  return nil
+end
+
+local M = {}
+
+function M.t(str)
+  return vim.api.nvim_replace_termcodes(str, true, true, true)
+end
+
+function M.log(msg, hl, name)
+  name = name or "Neovim"
+  hl = hl or "Todo"
+  vim.api.nvim_echo({ { name .. ": ", hl }, { msg } }, true, {})
+end
+
+function M.warn(msg, name)
+  vim.notify(msg, vim.log.levels.WARN, { title = name })
+end
+
+function M.error(msg, name)
+  vim.notify(msg, vim.log.levels.ERROR, { title = name })
+end
+
+function M.info(msg, name)
+  vim.notify(msg, vim.log.levels.INFO, { title = name })
+end
+
+return M