Fix/custom css not reload (#6510)

* fix: custom css not reload when switching graph
* fix(ux): sometimes code editing auto save not work with blur event

src/main/frontend/components/file.cljs

@@ -103,14 +103,14 @@
        [:img {:src path}]
 
        (and format (contains? (gp-config/text-formats) format))
-       (when-let [file-content (db/get-file path)]
+       (when-let [file-content (or (db/get-file path) "")]
          (let [content (string/trim file-content)
                mode (util/get-file-ext path)]
-           (lazy-editor/editor {:file? true
-                                :file-path path}
-                               (str "file-edit-" random-id)
-                               {:data-lang mode}
-                               content
+            (lazy-editor/editor {:file?     true
+                                 :file-path path}
+                                (str "file-edit-" random-id)
+                                {:data-lang mode}
+                                content
                                {})))
 
        :else

src/main/frontend/components/theme.cljs

@@ -47,7 +47,7 @@
 
     (rum/use-effect!
      (fn []
-       (ui-handler/add-style-if-exists!)
+       (ui-handler/reset-custom-css!)
        (pdf/reset-current-pdf!)
        (plugin-handler/hook-plugin-app :current-graph-changed {}))
      [current-repo])

src/main/frontend/extensions/code.cljs

@@ -173,10 +173,7 @@
 
         (:file-path config)
         (let [path (:file-path config)
-              content (db/get-file path)
-              [_ id _ _ _] (:rum/args state)
-              value (some-> (gdom/getElement id)
-                            (gobj/get "value"))]
+              content (db/get-file path)]
           (when (and
                  (not (string/blank? value))
                  (not= (string/trim value) (string/trim content)))
@@ -254,7 +251,9 @@
                                    (reset! (:calc-atom state) (calc/eval-lines new-code))))))
         (.on editor "blur" (fn [cm e]
                              (when e (util/stop e))
-                             (when-not (gobj/get cm "escPressed")
+                             (when (or
+                                    (= :file (state/get-current-route))
+                                    (not (gobj/get cm "escPressed")))
                                (save-file-or-block-when-blur-or-esc! editor textarea config state))
                              (state/set-block-component-editing-mode! false)))
         (.on editor "focus" (fn [_e]

src/main/frontend/handler/ui.cljs

@@ -124,6 +124,11 @@
                     ;; (state/get-custom-css-link)
 )]
     (util/add-style! style)))
+(defn reset-custom-css!
+  []
+  (when-let [el-style (gdom/getElement "logseq-custom-theme-id")]
+    (dom/remove! el-style))
+  (add-style-if-exists!))
 
 (def *js-execed (atom #{}))