1 files changed, 36 insertions, 0 deletions
diff --git a/lua/nvim-lsp-installer/core/async/spawn.lua b/lua/nvim-lsp-installer/core/async/spawn.lua
new file mode 100644
index 00000000..e643f098
--- /dev/null
+++ b/lua/nvim-lsp-installer/core/async/spawn.lua
@@ -0,0 +1,36 @@
+local a = require "nvim-lsp-installer.core.async"
+local process = require "nvim-lsp-installer.process"
+local platform = require "nvim-lsp-installer.platform"
+
+local async_spawn = a.promisify(process.spawn)
+
+local spawn = {
+    aliases = {
+        npm = platform.is_win and "npm.cmd" or "npm",
+    },
+}
+
+setmetatable(spawn, {
+    __index = function(self, k)
+        return function(args)
+            local stdio = process.in_memory_sink()
+            local cmd_args = {}
+            for i, arg in ipairs(args) do
+                cmd_args[i] = arg
+            end
+            ---@type JobSpawnOpts
+            local spawn_args = {
+                stdio_sink = stdio.sink,
+                cwd = args.cwd,
+                env = args.env,
+                args = cmd_args,
+            }
+            local cmd = self.aliases[k] or k
+            local _, exit_code = async_spawn(cmd, spawn_args)
+            assert(exit_code == 0, ("%q exited with an error code: %d."):format(cmd, exit_code))
+            return table.concat(stdio.buffers.stdout, ""), table.concat(stdio.buffers.stderr, "")
+        end
+    end,
+})
+
+return spawn