refactor(async): error with stack level 0 (#801)

2 files changed, 5 insertions, 3 deletions

diff --git a/lua/mason-core/async/init.lua b/lua/mason-core/async/init.lua
index 05401ca2..3c88eef0 100644
--- a/lua/mason-core/async/init.lua
+++ b/lua/mason-core/async/init.lua
@@ -29,7 +29,7 @@ end
 local function await(resolver)
     local ok, value = co.yield(Promise.new(resolver))
     if not ok then
-        error(value[1], 2)
+        error(value[1], 0)
     end
     return unpack(value)
 end
@@ -38,8 +38,10 @@ local function table_pack(...)
     return { n = select("#", ...), ... }
 end
 
----@param async_fn fun(...)
+---@generic T
+---@param async_fn T
 ---@param should_reject_err boolean? Whether the provided async_fn takes a callback with the signature `fun(err, result)`
+---@return T
 local function promisify(async_fn, should_reject_err)
     return function(...)
         local args = table_pack(...)
diff --git a/tests/mason-core/installer/installer_spec.lua b/tests/mason-core/installer/installer_spec.lua
index ead08f18..421de34b 100644
--- a/tests/mason-core/installer/installer_spec.lua
+++ b/tests/mason-core/installer/installer_spec.lua
@@ -47,7 +47,7 @@ describe("installer", function()
             local result = installer.execute(handler, {})
             assert.spy(installer_fn).was_called(1)
             assert.is_true(result:is_failure())
-            assert.is_true(match.has_match "^.*: something went wrong. don't try again.$"(result:err_or_nil()))
+            assert.equals("something went wrong. don't try again.", result:err_or_nil())
             assert.spy(fs.async.rmrf).was_called_with(path.package_build_prefix "dummy")
             assert.spy(fs.async.rename).was_not_called()
         end)