improvements

1 files changed, 20 insertions, 15 deletions

diff --git a/app.js b/app.js
index f335dba..3579ca6 100644
--- a/app.js
+++ b/app.js
@@ -1,23 +1,26 @@
 (() => {
   let state = {};
-  let isLoading = 0;
-  let loading = (val) => {
-    isLoading = val;
-    loader.$cls(isLoading ? "" : "hide");
+  let loading = 0;
+  let error = null;
+
+  let setLoading = (val) => {
+    loading = val;
+    loader.$cls(loading ? "" : "hide");
   }
-  loader.$click(() => loading(0));
+  loader.$click(() => setLoading(0));
 
-  let error = null;
   let setError = (err) => {
-    error = String(err);
+    error = err&&String(err);
     app.reload();
   }
+
   window.onerror = (message) => {
     setError(message);
   };
   window.onunhandledrejection = (e) => {
     setError(e.reason);
   };
+
   let parsetxt = (data) => fromEntries(data.split("\n").map(x=>x.trim()).filter(x=>x).map(x=>x.split("=")));
   let buildtxt = (data) => entries(data).map(([k,v])=>`${k}=${v}\n`).join("");
   let resptext = r => {
@@ -29,29 +32,30 @@
   let getconfig = () => fetch("/cgi-bin/getconfig").then(resptext).then(x => parsetxt(x));
   let cmd = (body) => fetch("/cgi-bin/cmd",{method:"POST",body}).then(resptext);
   let setconfig = (data) => {
-    loading(1);
+    setLoading(1);
     cmd(buildtxt(data)+"save\n")
-      .finally(() => loading(0))
+      .finally(() => setLoading(0))
   };
   let loadconfig = () => {
-    loading(1);
-    getconfig("/cgi-bin/getconfig")
+    setLoading(1);
+    setError();
+    getconfig()
       .then(x => {
         state = {...state, ...x};
         app.reload();
       })
-      .finally(() => loading(0));
+      .finally(() => setLoading(0));
   }
   let reboot = (data) => {
     let ok = 0;
-    loading(1);
+    setLoading(1);
     cmd("reboot\n")
       .then(() => {
         ok = 1;
       })
       .finally(() => {
         setTimeout(() => {
-          loading(0);
+          setLoading(0);
           app.reload();
         }, ok?10000:0);
       })
@@ -144,8 +148,9 @@
       p("The requested page is not available.")
     ),
   });
+
   let CApp = (h) => {
-    loading(isLoading);
+    setLoading(loading);
     return [
       div(error && CErr(String(error))),
       main(