wip: async select

nvim/nvim/config/nvim.ln/lua/build/adapters/dotnet.lua

@@ -1,22 +1,31 @@
 local Job = require 'plenary.job'
+local a = require("plenary.async_lib")
+local async, await = a.async, a.await
 
 local M = {}
 
 M.pattern = "*.sln"
 
-M.list = function()
-	local projs = io.popen("dotnet sln list | tail -n +3")
+M.list = async(function()
+	local ignore = 3
 	local ret = {}
-	for line in projs:lines() do
-		table.insert(ret, {
-			name = line:match("([^/]+).csproj$"),
-			csproj = line,
-			icon = "",
-		})
-	end
-	projs:close()
+
+	Job:new({
+		args = { "sln", "list" },
+		on_stdout = function(_, proj)
+			if ignore > 0 then
+				ignore = ignore - 1
+				return
+			end
+			table.insert(ret, {
+				name = proj:match("([^/]+).csproj$"),
+				csproj = proj,
+				icon = "",
+			})
+		end,
+	}):sync()
 	return ret
-end
+end)
 
 M.build = function(proj)
 	local function add_to_qf(err, data)

nvim/nvim/config/nvim.ln/lua/build/init.lua

@@ -1,4 +1,6 @@
 local has_icon, nwicon = pcall(require, 'nvim-web-devicons')
+local a = require("plenary.async_lib")
+local async, await = a.async, a.await
 
 local M = {
 	adapters = {},
@@ -10,12 +12,12 @@ local M = {
 
 table.insert(M.adapters, require "build.adapters.dotnet")
 
-M.list_projs = function ()
+M.list_projs = async(function ()
 	local projs = {}
 
 	for _, adapter in pairs(M.adapters) do
 		for _, match in pairs(vim.fn.glob(adapter.pattern, false, true)) do
-			for _, proj in pairs(adapter.list(match)) do
+			for _, proj in pairs(await(adapter.list(match))) do
 				proj.adapter = adapter
 				proj.source = match
 				proj.icon = proj.icon or has_icon and nwicon.get_icon(
@@ -28,10 +30,10 @@ M.list_projs = function ()
 		end
 	end
 	return projs
-end
+end)
 
-M.select_proj = function (on_select)
-	local projs = M.list_projs()
+M.select_proj = async(function (on_select)
+	local projs = await(M.list_projs())
 	vim.ui.select(projs, {
 		prompt = "Select a project",
 		format_item = function (proj)
@@ -44,7 +46,7 @@ M.select_proj = function (on_select)
 			on_select()
 		end
 	end)
-end
+end)
 
 M.get_project = function ()
 	return M.projects[vim.fn.getcwd()]