- migrated from lsp-zero to native nvim protocols

- massive refactor/cleanup

lua/plugins/lsp_keymaps.lua

@@ -0,0 +1,95 @@
+local function filter_duplicates(array)
+	local unique = {}
+	for _, table_a in ipairs(array) do
+		local is_duplicate = false
+
+		for _, table_b in ipairs(unique) do
+			if vim.deep_equal(table_a, table_b) then
+				is_duplicate = true
+				break
+			end
+		end
+
+		if not is_duplicate then
+			table.insert(unique, table_a)
+		end
+	end
+	return unique
+end
+
+local function on_list(options)
+	options.items = filter_duplicates(options.items)
+	vim.fn.setqflist({}, " ", options)
+	vim.cmd("botright copen")
+end
+
+local M = {}
+
+---@param bufnr integer
+---@param is_rust_analyzer boolean
+function M.set_lsp_keymaps(bufnr, is_rust_analyzer)
+	local opts = { noremap = true, silent = true, buffer = bufnr }
+
+	if is_rust_analyzer then
+		vim.keymap.set("n", "gm", function()
+			vim.cmd.RustLsp("expandMacro")
+		end, opts)
+
+		vim.keymap.set("n", "ge", function()
+			vim.cmd.RustLsp("relatedDiagnostics")
+		end, opts)
+	end
+
+	vim.keymap.set("n", "K", function()
+		if is_rust_analyzer then
+			vim.cmd.RustLsp({ "hover", "actions" })
+		else
+			vim.lsp.buf.hover()
+		end
+	end, opts)
+
+	vim.keymap.set("n", "[d", function()
+		if is_rust_analyzer then
+			vim.cmd.RustLsp({ "renderDiagnostic", "cycle_prev" })
+		else
+			vim.diagnostic.jump({ count = -1, float = true, wrap = true })
+		end
+	end, opts)
+
+	vim.keymap.set("n", "]d", function()
+		if is_rust_analyzer then
+			vim.cmd.RustLsp({ "renderDiagnostic", "cycle" })
+		else
+			vim.diagnostic.jump({ count = 1, float = true, wrap = true })
+		end
+	end, opts)
+
+	vim.keymap.set("n", "<C-k>", vim.lsp.buf.signature_help, opts)
+	vim.keymap.set("n", "<space>D", vim.lsp.buf.type_definition, opts)
+	vim.keymap.set("n", "<space>ca", vim.lsp.buf.code_action, opts)
+	vim.keymap.set("n", "<space>e", vim.diagnostic.open_float, opts)
+	vim.keymap.set("n", "<space>q", vim.diagnostic.setloclist, opts)
+	vim.keymap.set("n", "<space>rn", vim.lsp.buf.rename, opts)
+	vim.keymap.set("n", "<space>wa", vim.lsp.buf.add_workspace_folder, opts)
+	vim.keymap.set("n", "<space>wl", function()
+		print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
+	end, opts)
+	vim.keymap.set("n", "<space>wr", vim.lsp.buf.remove_workspace_folder, opts)
+	vim.keymap.set("n", "gD", vim.lsp.buf.declaration, opts)
+	vim.keymap.set("n", "gd", vim.lsp.buf.definition, opts)
+	vim.keymap.set("n", "gi", vim.lsp.buf.implementation, opts)
+	vim.keymap.set("n", "<space>f", function()
+		vim.lsp.buf.format({ async = true })
+	end, opts)
+
+	vim.keymap.set("n", "gr", function()
+		vim.lsp.buf.references(nil, { on_list = on_list })
+	end, opts)
+end
+
+function M.on_attach(client, bufnr)
+	local is_rust_analyzer = client.name == "rust-analyzer"
+	M.set_lsp_keymaps(bufnr, is_rust_analyzer)
+end
+
+return M