Add a timer to the JS SQLTester app to warn if it appears that loading the module has failed, which is commonly caused by the test scripts not being compiled.

FossilOrigin-Name: f9c1f9cad1ad22f689a4afa13d59bf9969ddaed6624cbc16cb1bf5d1fd0c8a5b

1 files changed, 8 insertions, 0 deletions

diff --git a/ext/wasm/SQLTester/index.html b/ext/wasm/SQLTester/index.html
index cd1423ac3..1dffad63e 100644
--- a/ext/wasm/SQLTester/index.html
+++ b/ext/wasm/SQLTester/index.html
@@ -96,6 +96,13 @@
           logClass('','index.html:',...args);
           return f;
         };
+
+        const timerId = setTimeout( ()=>{
+          logClass('error',"The SQLTester module is taking an unusually ",
+                   "long time to load. More information may be available",
+                   "in the dev console.");
+        }, 3000 /* assuming localhost */ );
+
         W.onmessage = function({data}){
           switch(data.type){
             case 'stdout': log2(data.payload.message); break;
@@ -105,6 +112,7 @@
               log("test results:",data.payload);
               break;
             case 'is-ready':
+              clearTimeout(timerId);
               runTests(); break;
             default:
               log("unhandled onmessage",data);