Merge pull request #393 from SpiralP/rustyscript-console-time-bug

fix(web_stub): initialize `StartTime` state to fix `console.time()` crash

Author: rscarson

src/ext/web_stub/mod.rs

@@ -8,6 +8,7 @@ use super::ExtensionTrait;
 
 mod encoding;
 mod timers;
+use timers::StartTime;
 
 extension!(
     deno_web,
@@ -17,6 +18,9 @@ extension!(
     ],
     esm_entry_point = "ext:deno_web/init_stub.js",
     esm = [ dir "src/ext/web_stub", "init_stub.js", "01_dom_exception.js", "02_timers.js", "05_base64.js" ],
+    state = |state| {
+        state.put(StartTime::default());
+    }
 );
 impl ExtensionTrait<()> for deno_web {
     fn init((): ()) -> Extension {

src/ext/web_stub/timers.rs

@@ -5,7 +5,21 @@ use std::time::Instant;
 use deno_core::op2;
 use deno_core::OpState;
 
-pub type StartTime = Instant;
+pub struct StartTime(Instant);
+
+impl Default for StartTime {
+    fn default() -> Self {
+        Self(Instant::now())
+    }
+}
+
+impl std::ops::Deref for StartTime {
+    type Target = Instant;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
 
 // Returns a milliseconds and nanoseconds subsec
 // since the start time of the deno runtime.