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fix(debugger): listen for flutter.appStarted from the debug adapter #564

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Merged
sidlatau merged 1 commit into from
Oct 30, 2026
Merged

fix(debugger): listen for flutter.appStarted from the debug adapter #564

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4 changes: 2 additions & 2 deletions lua/flutter-tools/runners/debugger_runner.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -184,7 +184,7 @@ local listened_events = {
{ "before", "event_progressEnd" },
{ "before", "event_exited" },
{ "before", "event_terminated" },
{ "before", "event_app.started" },
{ "before", "event_flutter.appStarted" },
{ "before", "event_dart.debuggerUris" },
{ "before", "event_dart.serviceExtensionAdded" },
{ "before", "event_flutter.serviceExtensionStateChanged" },
Expand Down Expand Up @@ -235,7 +235,7 @@ local function register_dap_listeners(on_run_data, on_run_exit)
dap.listeners.before["event_exited"][plugin_identifier] = function(_, _) handle_termination() end
dap.listeners.before["event_terminated"][plugin_identifier] = function(_, _) handle_termination() end

dap.listeners.before["event_app.started"][plugin_identifier] = function(_, _)
dap.listeners.before["event_flutter.appStarted"][plugin_identifier] = function(_, _)
started = true
before_start_logs = {}
utils.emit_event(utils.events.APP_STARTED)
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29 changes: 29 additions & 0 deletions tests/debugger_runner_spec.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -135,4 +135,33 @@ describe("debugger runner", function()

assert.are.same({ "running", "failed" }, statuses)
end)

it("marks the app started on the adapter's flutter.appStarted event", function()
local started_events = 0
local autocmd = vim.api.nvim_create_autocmd("User", {
pattern = "FlutterToolsAppStarted",
callback = function() started_events = started_events + 1 end,
})
local exit_logs
runner.on_untracked_session(function()
return {
on_run_data = function() end,
on_run_exit = function(logs) exit_logs = logs end,
}
end)
dap.listeners.on_session["flutter-tools"](
nil,
{ id = 5, config = { type = "dart" }, on_close = {} }
)

local before = dap.listeners.before
dap.listeners.after["event_output"]["flutter-tools"](nil, { output = "Launching…" })
before["event_flutter.appStarted"]["flutter-tools"](nil, {})
dap.listeners.after["event_output"]["flutter-tools"](nil, { output = "app output" })
before["event_terminated"]["flutter-tools"](nil, {})
vim.api.nvim_del_autocmd(autocmd)

assert.are.equal(1, started_events)
assert.is_nil(exit_logs)
end)
end)
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