Fix #756

lua/cmp/core.lua

@@ -260,57 +260,45 @@ core.complete = function(self, ctx)
 end
 
 ---Update completion menu
-core.filter = async.throttle(
-  setmetatable({
-    ctx = nil,
-  }, {
-    __call = function(this, self)
-      self.filter.timeout = self.view:visible() and THROTTLE_TIME or 0
+core.filter = async.throttle(function(self)
+  self.filter.timeout = self.view:visible() and THROTTLE_TIME or 0
 
-      -- Check context changed.
-      local ctx = self:get_context()
-      if this.ctx and not this.ctx:changed(ctx) then
-        return
-      end
-      this.ctx = ctx
-
-      -- Check invalid condition.
-      local ignore = false
-      ignore = ignore or not api.is_suitable_mode()
-      if ignore then
-        return
-      end
-
-      -- Check fetching sources.
-      local sources = {}
-      for _, s in ipairs(self:get_sources({ source.SourceStatus.FETCHING, source.SourceStatus.COMPLETED })) do
-        if not s.incomplete and SOURCE_TIMEOUT > s:get_fetching_time() then
-          -- Reserve filter call for timeout.
-          self.filter.timeout = SOURCE_TIMEOUT - s:get_fetching_time()
-          self:filter()
-          break
-        end
-        table.insert(sources, s)
-      end
-
-      -- Display completion results.
-      self.view:open(ctx, sources)
-
-      -- Check onetime config.
-      if #self:get_sources(function(s)
-        if s.status == source.SourceStatus.FETCHING then
-          return true
-        elseif #s:get_entries(ctx) > 0 then
-          return true
-        end
-        return false
-      end) == 0 then
-      config.set_onetime({})
-    end
+  -- Check invalid condition.
+  local ignore = false
+  ignore = ignore or not api.is_suitable_mode()
+  if ignore then
+    return
   end
-  }),
-  THROTTLE_TIME
-)
+
+  -- Check fetching sources.
+  local sources = {}
+  for _, s in ipairs(self:get_sources({ source.SourceStatus.FETCHING, source.SourceStatus.COMPLETED })) do
+    if not s.incomplete and SOURCE_TIMEOUT > s:get_fetching_time() then
+      -- Reserve filter call for timeout.
+      self.filter.timeout = SOURCE_TIMEOUT - s:get_fetching_time()
+      self:filter()
+      break
+    end
+    table.insert(sources, s)
+  end
+
+  local ctx = self:get_context()
+
+  -- Display completion results.
+  self.view:open(ctx, sources)
+
+  -- Check onetime config.
+  if #self:get_sources(function(s)
+    if s.status == source.SourceStatus.FETCHING then
+      return true
+    elseif #s:get_entries(ctx) > 0 then
+      return true
+    end
+    return false
+  end) == 0 then
+    config.set_onetime({})
+  end
+end, THROTTLE_TIME)
 
 ---Confirm completion.
 ---@param e cmp.Entry