From 4eb8941eb204a27ec72296204358b52b2eacdfc3 Mon Sep 17 00:00:00 2001
From: zhongwencool <zhongwencool@gmail.com>
Date: Mon, 21 Oct 2024 16:44:55 +0800
Subject: [PATCH] chore: add dialyzer for ci

---
 .github/workflows/erlang.yml     | 2 ++
 src/observer_cli_application.erl | 2 +-
 src/observer_cli_lib.erl         | 4 +---
 src/observer_cli_mnesia.erl      | 3 +++
 src/observer_cli_plugin.erl      | 4 +---
 src/observer_cli_process.erl     | 6 ++++++
 src/observer_cli_system.erl      | 2 +-
 7 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/erlang.yml b/.github/workflows/erlang.yml
index e1005ed..b5a945f 100644
--- a/.github/workflows/erlang.yml
+++ b/.github/workflows/erlang.yml
@@ -20,4 +20,6 @@ jobs:
         run: rebar3 compile
       - name: xref
         run: rebar3 xref
+      - name: dialyzer
+        run: rebar3 dialyzer
 
diff --git a/src/observer_cli_application.erl b/src/observer_cli_application.erl
index ff4d9a4..e03c79e 100644
--- a/src/observer_cli_application.erl
+++ b/src/observer_cli_application.erl
@@ -14,7 +14,7 @@
 
 %% @doc List application info
 
--spec start(ViewOpts) -> no_return when ViewOpts :: view_opts().
+-spec start(ViewOpts) -> quit when ViewOpts :: view_opts().
 start(#view_opts{app = App, auto_row = AutoRow} = ViewOpts) ->
     Pid = spawn_link(fun() ->
         ?output(?CLEAR),
diff --git a/src/observer_cli_lib.erl b/src/observer_cli_lib.erl
index 4aedb27..bb13157 100644
--- a/src/observer_cli_lib.erl
+++ b/src/observer_cli_lib.erl
@@ -35,13 +35,11 @@ uptime() ->
     [?W(?GREEN, Time, 16)].
 
 %% @doc 0.982342 -> 98.23%, 1 -> 100.0%
--spec to_percent(float()) -> string().
 to_percent(Float) when Float < 0.1 -> [$0, erlang:float_to_list(Float * 100, [{decimals, 2}]), $%];
 to_percent(Float) when Float < 1 -> [erlang:float_to_list(Float * 100, [{decimals, 2}]), $%];
 to_percent(undefined) -> "******";
 to_percent(_) -> "100.0%".
 
--spec to_list(term()) -> list().
 to_list(Atom) when is_atom(Atom) -> atom_to_list(Atom);
 to_list(Integer) when is_integer(Integer) -> integer_to_list(Integer);
 to_list(Pid) when is_pid(Pid) -> erlang:pid_to_list(Pid);
@@ -273,7 +271,7 @@ to_pid(Str) ->
             quit
     end.
 
--spec next_redraw(reference(), pos_integer()) -> reference().
+-spec next_redraw(reference() | ?INIT_TIME_REF, pos_integer()) -> reference().
 next_redraw(LastTimeRef, Interval) ->
     LastTimeRef =/= ?INIT_TIME_REF andalso erlang:cancel_timer(LastTimeRef),
     erlang:send_after(Interval, self(), redraw).
diff --git a/src/observer_cli_mnesia.erl b/src/observer_cli_mnesia.erl
index 97987e3..1d232fd 100644
--- a/src/observer_cli_mnesia.erl
+++ b/src/observer_cli_mnesia.erl
@@ -187,6 +187,7 @@ get_table_list(HideSys, Attr) ->
         _ -> get_table_list2(Owner, HideSys, Attr)
     end.
 
+-dialyzer([{nowarn_function, [get_table_list2/3]}]).
 get_table_list2(Owner, HideSys, Attr) ->
     {registered_name, RegName} = process_info(Owner, registered_name),
     WordSize = erlang:system_info(wordsize),
@@ -213,6 +214,8 @@ get_table_list2(Owner, HideSys, Attr) ->
     end,
     lists:foldl(CollectFun, [], mnesia:system_info(tables)).
 
+-dialyzer([{nowarn_function, [with_storage_type/2]}]).
+
 with_storage_type(Id, Tab0) ->
     Storage = mnesia:table_info(Id, storage_type),
     with_storage_type(Id, Storage, Tab0).
diff --git a/src/observer_cli_plugin.erl b/src/observer_cli_plugin.erl
index defd9eb..21f903b 100644
--- a/src/observer_cli_plugin.erl
+++ b/src/observer_cli_plugin.erl
@@ -139,9 +139,7 @@ manager(ChildPid, SheetCache, ViewOpts) ->
                     start(ViewOpts#view_opts{plug = PlugOpts#plug{plugs = NewPlugs}});
                 {error, _} ->
                     manager(ChildPid, SheetCache, ViewOpts)
-            end;
-        _ ->
-            manager(ChildPid, SheetCache, ViewOpts)
+            end
     end.
 
 update_plugins(CurIndex, Lists, UpdateItems) ->
diff --git a/src/observer_cli_process.erl b/src/observer_cli_process.erl
index dc0c0d7..3625bc6 100644
--- a/src/observer_cli_process.erl
+++ b/src/observer_cli_process.erl
@@ -2,6 +2,12 @@
 
 -include("observer_cli.hrl").
 
+-dialyzer([
+    {nowarn_function, [
+        render_worker/7, render_reduction_memory/4, get_chart_format/1, chart_format/2
+    ]}
+]).
+
 -export([start/3]).
 
 %% lists:foldl(fun(_X, Acc) -> queue:in('NaN', Acc) end, queue:new(), lists:seq(1, 5))
diff --git a/src/observer_cli_system.erl b/src/observer_cli_system.erl
index 29bd40c..c80babb 100644
--- a/src/observer_cli_system.erl
+++ b/src/observer_cli_system.erl
@@ -158,7 +158,7 @@ get_address(Info) ->
 get_dist_queue_size(Node) ->
     case ets:lookup(sys_dist, Node) of
         [] ->
-            0;
+            not_found;
         [Dist] ->
             ConnId = element(3, Dist),
             {ok, _, _, Size} = erlang:dist_get_stat(ConnId),