Fix worker clips

src/js_value/map.rs

@@ -75,7 +75,7 @@ impl Map {
         let value = local.get(scope, key.into())?;
 
         let value = v8::Global::new(scope, value);
-        Some(crate::js_value::Value::from_v8(value).ok()?)
+        crate::js_value::Value::from_v8(value).ok()
     }
 
     pub(crate) fn get_string_keys(&self, scope: &mut HandleScope) -> Vec<String> {

src/js_value/string.rs

@@ -42,8 +42,7 @@ impl String {
     pub(crate) fn to_utf16_buffer(&self, scope: &mut HandleScope<'_>) -> Vec<u16> {
         let local = self.0.as_local(scope);
         let u16_len = local.length();
-        let mut buffer = Vec::with_capacity(u16_len);
-        buffer.resize(u16_len, 0);
+        let mut buffer = vec![0; u16_len];
 
         local.write(scope, &mut buffer, 0, WriteOptions::NO_NULL_TERMINATION);
         buffer
@@ -52,8 +51,7 @@ impl String {
     pub(crate) fn to_utf8_buffer(&self, scope: &mut HandleScope<'_>) -> Vec<u8> {
         let local = self.0.as_local(scope);
         let u8_len = local.utf8_length(scope);
-        let mut buffer = Vec::with_capacity(u8_len);
-        buffer.resize(u8_len, 0);
+        let mut buffer = vec![0; u8_len];
 
         local.write_utf8(scope, &mut buffer, None, WriteOptions::NO_NULL_TERMINATION);
         buffer

src/worker.rs

@@ -62,6 +62,14 @@ where
         self.workers.len()
     }
 
+    /// Check if the pool is empty
+    /// This will be true if the pool has no workers
+    /// This can happen if the pool was created with 0 workers
+    /// Which is not particularly useful, but is allowed
+    pub fn is_empty(&self) -> bool {
+        self.workers.is_empty()
+    }
+
     /// Get a worker by its index in the pool
     pub fn worker_by_id(&self, id: usize) -> Option<Rc<RefCell<Worker<W>>>> {
         Some(Rc::clone(self.workers.get(id)?))