6 files changed, 357 insertions, 0 deletions
diff --git a/lua/config/lsp/handlers.lua b/lua/config/lsp/handlers.lua
new file mode 100644
index 0000000..3dcf0dc
--- /dev/null
+++ b/lua/config/lsp/handlers.lua
@@ -0,0 +1,106 @@
+-- Handler for LSP servers.
+
+local M = {}
+
+-- TODO: backfill this to template
+M.setup = function()
+	local signs = {
+		{ name = "DiagnosticSignError", text = "" },
+		{ name = "DiagnosticSignWarn", text = "" },
+		{ name = "DiagnosticSignHint", text = "" },
+		{ name = "DiagnosticSignInfo", text = "" },
+	}
+
+	for _, sign in ipairs(signs) do
+		vim.fn.sign_define(sign.name, { texthl = sign.name, text = sign.text, numhl = "" })
+	end
+
+	local config = {
+		-- disable virtual text
+		virtual_text = false,
+		-- show signs
+		signs = {
+			active = signs,
+		},
+		update_in_insert = true,
+		underline = true,
+		severity_sort = true,
+		float = {
+			focusable = false,
+			style = "minimal",
+			border = "rounded",
+			source = "always",
+			header = "",
+			prefix = "",
+		},
+	}
+
+	vim.diagnostic.config(config)
+
+	vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, {
+		border = "rounded",
+	})
+
+	vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, {
+		border = "rounded",
+	})
+end
+
+local function lsp_highlight_document(client)
+	-- Set autocommands conditional on server_capabilities
+	if client.resolved_capabilities.document_highlight then
+		vim.api.nvim_exec(
+			[[
+      augroup lsp_document_highlight
+        autocmd! * <buffer>
+        autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
+        autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
+      augroup END
+    ]],
+			false
+		)
+	end
+end
+
+local function lsp_keymaps(bufnr)
+	local opts = { noremap = true, silent = true }
+	vim.api.nvim_buf_set_keymap(bufnr, "n", "gD", "<cmd>lua vim.lsp.buf.declaration()<CR>", opts)
+	vim.api.nvim_buf_set_keymap(bufnr, "n", "gd", "<cmd>lua vim.lsp.buf.definition()<CR>", opts)
+	vim.api.nvim_buf_set_keymap(bufnr, "n", "K", "<cmd>lua vim.lsp.buf.hover()<CR>", opts)
+	vim.api.nvim_buf_set_keymap(bufnr, "n", "gi", "<cmd>lua vim.lsp.buf.implementation()<CR>", opts)
+	vim.api.nvim_buf_set_keymap(bufnr, "n", "<C-k>", "<cmd>lua vim.lsp.buf.signature_help()<CR>", opts)
+	-- vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>rn", "<cmd>lua vim.lsp.buf.rename()<CR>", opts)
+	vim.api.nvim_buf_set_keymap(bufnr, "n", "gr", "<cmd>lua vim.lsp.buf.references()<CR>", opts)
+	-- vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>ca", "<cmd>lua vim.lsp.buf.code_action()<CR>", opts)
+	-- vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>f", "<cmd>lua vim.diagnostic.open_float()<CR>", opts)
+	vim.api.nvim_buf_set_keymap(bufnr, "n", "[d", '<cmd>lua vim.diagnostic.goto_prev({ border = "rounded" })<CR>', opts)
+	vim.api.nvim_buf_set_keymap(
+		bufnr,
+		"n",
+		"gl",
+		'<cmd>lua vim.lsp.diagnostic.show_line_diagnostics({ border = "rounded" })<CR>',
+		opts
+	)
+	vim.api.nvim_buf_set_keymap(bufnr, "n", "]d", '<cmd>lua vim.diagnostic.goto_next({ border = "rounded" })<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>q", "<cmd>lua vim.diagnostic.setloclist()<CR>", opts)
+	vim.cmd([[ command! Format execute 'lua vim.lsp.buf.formatting()' ]])
+end
+
+M.on_attach = function(client, bufnr)
+	if client.name == "tsserver" then
+		client.resolved_capabilities.document_formatting = false
+	end
+	lsp_keymaps(bufnr)
+	lsp_highlight_document(client)
+end
+
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+
+local status_ok, cmp_nvim_lsp = pcall(require, "cmp_nvim_lsp")
+if not status_ok then
+	return
+end
+
+M.capabilities = cmp_nvim_lsp.update_capabilities(capabilities)
+
+return M
diff --git a/lua/config/lsp/init.lua b/lua/config/lsp/init.lua
new file mode 100644
index 0000000..b231014
--- /dev/null
+++ b/lua/config/lsp/init.lua
@@ -0,0 +1,9 @@
+-- Loads the LSP module.
+
+local status_ok, _ = pcall(require, "lspconfig")
+if not status_ok then
+	return
+end
+
+require("config.lsp.lsp-installer")
+require("config.lsp.handlers").setup()
diff --git a/lua/config/lsp/lsp-installer.lua b/lua/config/lsp/lsp-installer.lua
new file mode 100644
index 0000000..876adad
--- /dev/null
+++ b/lua/config/lsp/lsp-installer.lua
@@ -0,0 +1,34 @@
+-- LSP installer.
+
+local status_ok, lsp_installer = pcall(require, "nvim-lsp-installer")
+if not status_ok then
+	return
+end
+
+-- Register a handler that will be called for all installed servers.
+-- Alternatively, you may also register handlers on specific server instances instead (see example below).
+lsp_installer.on_server_ready(function(server)
+	local opts = {
+		on_attach = require("plugins.lsp.handlers").on_attach,
+		capabilities = require("plugins.lsp.handlers").capabilities,
+	}
+
+	if server.name == "jsonls" then
+		local jsonls_opts = require("plugins.lsp.settings.jsonls")
+		opts = vim.tbl_deep_extend("force", jsonls_opts, opts)
+	end
+
+	if server.name == "sumneko_lua" then
+		local sumneko_opts = require("plugins.lsp.settings.sumneko_lua")
+		opts = vim.tbl_deep_extend("force", sumneko_opts, opts)
+	end
+
+	if server.name == "pyright" then
+		local pyright_opts = require("plugins.lsp.settings.pyright")
+		opts = vim.tbl_deep_extend("force", pyright_opts, opts)
+	end
+
+	-- This setup() function is exactly the same as lspconfig's setup function.
+	-- Refer to https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
+	server:setup(opts)
+end)
diff --git a/lua/config/lsp/settings/jsonls.lua b/lua/config/lsp/settings/jsonls.lua
new file mode 100644
index 0000000..bcc5f65
--- /dev/null
+++ b/lua/config/lsp/settings/jsonls.lua
@@ -0,0 +1,178 @@
+-- A Json language server config.
+-- Find more schemas here: https://www.schemastore.org/json/
+
+local schemas = {
+	{
+		description = "TypeScript compiler configuration file",
+		fileMatch = {
+			"tsconfig.json",
+			"tsconfig.*.json",
+		},
+		url = "https://json.schemastore.org/tsconfig.json",
+	},
+	{
+		description = "Lerna config",
+		fileMatch = { "lerna.json" },
+		url = "https://json.schemastore.org/lerna.json",
+	},
+	{
+		description = "Babel configuration",
+		fileMatch = {
+			".babelrc.json",
+			".babelrc",
+			"babel.config.json",
+		},
+		url = "https://json.schemastore.org/babelrc.json",
+	},
+	{
+		description = "ESLint config",
+		fileMatch = {
+			".eslintrc.json",
+			".eslintrc",
+		},
+		url = "https://json.schemastore.org/eslintrc.json",
+	},
+	{
+		description = "Bucklescript config",
+		fileMatch = { "bsconfig.json" },
+		url = "https://raw.githubusercontent.com/rescript-lang/rescript-compiler/8.2.0/docs/docson/build-schema.json",
+	},
+	{
+		description = "Prettier config",
+		fileMatch = {
+			".prettierrc",
+			".prettierrc.json",
+			"prettier.config.json",
+		},
+		url = "https://json.schemastore.org/prettierrc",
+	},
+	{
+		description = "Vercel Now config",
+		fileMatch = { "now.json" },
+		url = "https://json.schemastore.org/now",
+	},
+	{
+		description = "Stylelint config",
+		fileMatch = {
+			".stylelintrc",
+			".stylelintrc.json",
+			"stylelint.config.json",
+		},
+		url = "https://json.schemastore.org/stylelintrc",
+	},
+	{
+		description = "A JSON schema for the ASP.NET LaunchSettings.json files",
+		fileMatch = { "launchsettings.json" },
+		url = "https://json.schemastore.org/launchsettings.json",
+	},
+	{
+		description = "Schema for CMake Presets",
+		fileMatch = {
+			"CMakePresets.json",
+			"CMakeUserPresets.json",
+		},
+		url = "https://raw.githubusercontent.com/Kitware/CMake/master/Help/manual/presets/schema.json",
+	},
+	{
+		description = "Configuration file as an alternative for configuring your repository in the settings page.",
+		fileMatch = {
+			".codeclimate.json",
+		},
+		url = "https://json.schemastore.org/codeclimate.json",
+	},
+	{
+		description = "LLVM compilation database",
+		fileMatch = {
+			"compile_commands.json",
+		},
+		url = "https://json.schemastore.org/compile-commands.json",
+	},
+	{
+		description = "Config file for Command Task Runner",
+		fileMatch = {
+			"commands.json",
+		},
+		url = "https://json.schemastore.org/commands.json",
+	},
+	{
+		description = "AWS CloudFormation provides a common language for you to describe and provision all the infrastructure resources in your cloud environment.",
+		fileMatch = {
+			"*.cf.json",
+			"cloudformation.json",
+		},
+		url = "https://raw.githubusercontent.com/awslabs/goformation/v5.2.9/schema/cloudformation.schema.json",
+	},
+	{
+		description = "The AWS Serverless Application Model (AWS SAM, previously known as Project Flourish) extends AWS CloudFormation to provide a simplified way of defining the Amazon API Gateway APIs, AWS Lambda functions, and Amazon DynamoDB tables needed by your serverless application.",
+		fileMatch = {
+			"serverless.template",
+			"*.sam.json",
+			"sam.json",
+		},
+		url = "https://raw.githubusercontent.com/awslabs/goformation/v5.2.9/schema/sam.schema.json",
+	},
+	{
+		description = "Json schema for properties json file for a GitHub Workflow template",
+		fileMatch = {
+			".github/workflow-templates/**.properties.json",
+		},
+		url = "https://json.schemastore.org/github-workflow-template-properties.json",
+	},
+	{
+		description = "golangci-lint configuration file",
+		fileMatch = {
+			".golangci.toml",
+			".golangci.json",
+		},
+		url = "https://json.schemastore.org/golangci-lint.json",
+	},
+	{
+		description = "JSON schema for the JSON Feed format",
+		fileMatch = {
+			"feed.json",
+		},
+		url = "https://json.schemastore.org/feed.json",
+		versions = {
+			["1"] = "https://json.schemastore.org/feed-1.json",
+			["1.1"] = "https://json.schemastore.org/feed.json",
+		},
+	},
+	{
+		description = "Packer template JSON configuration",
+		fileMatch = {
+			"packer.json",
+		},
+		url = "https://json.schemastore.org/packer.json",
+	},
+	{
+		description = "NPM configuration file",
+		fileMatch = {
+			"package.json",
+		},
+		url = "https://json.schemastore.org/package.json",
+	},
+	{
+		description = "Resume json",
+		fileMatch = { "resume.json" },
+		url = "https://raw.githubusercontent.com/jsonresume/resume-schema/v1.0.0/schema.json",
+	},
+}
+
+local opts = {
+	settings = {
+		json = {
+			schemas = schemas,
+		},
+	},
+	setup = {
+		commands = {
+			Format = {
+				function()
+					vim.lsp.buf.range_formatting({}, { 0, 0 }, { vim.fn.line("$"), 0 })
+				end,
+			},
+		},
+	},
+}
+
+return opts
diff --git a/lua/config/lsp/settings/pyright.lua b/lua/config/lsp/settings/pyright.lua
new file mode 100644
index 0000000..d07ae8c
--- /dev/null
+++ b/lua/config/lsp/settings/pyright.lua
@@ -0,0 +1,12 @@
+-- Config for pyright language server.
+
+return {
+	settings = {
+
+		python = {
+			analysis = {
+				typeCheckingMode = "off",
+			},
+		},
+	},
+}
diff --git a/lua/config/lsp/settings/sumneko_lua.lua b/lua/config/lsp/settings/sumneko_lua.lua
new file mode 100644
index 0000000..d7957c1
--- /dev/null
+++ b/lua/config/lsp/settings/sumneko_lua.lua
@@ -0,0 +1,18 @@
+-- Config for a Lua language server.
+
+return {
+	settings = {
+
+		Lua = {
+			diagnostics = {
+				globals = { "vim" },
+			},
+			workspace = {
+				library = {
+					[vim.fn.expand("$VIMRUNTIME/lua")] = true,
+					[vim.fn.stdpath("config") .. "/lua"] = true,
+				},
+			},
+		},
+	},
+}