chore(runtime): Make some ops in ext and runtime infallible. (#14589)

Co-authored-by: Aaron O'Mullan <aaron.omullan@gmail.com>

bench_util/benches/op_baseline.rs

@@ -2,14 +2,8 @@ use deno_bench_util::bench_or_profile;
 use deno_bench_util::bencher::{benchmark_group, Bencher};
 use deno_bench_util::{bench_js_async, bench_js_sync};
 
-use deno_core::error::AnyError;
 use deno_core::op;
-
 use deno_core::Extension;
-use deno_core::OpState;
-
-use std::cell::RefCell;
-use std::rc::Rc;
 
 fn setup() -> Vec<Extension> {
   vec![Extension::builder()
@@ -22,19 +16,17 @@ fn setup() -> Vec<Extension> {
 }
 
 #[op]
-fn op_nop() -> Result<(), AnyError> {
-  Ok(())
-}
+fn op_nop() {}
 
 #[op]
-fn op_pi_json() -> Result<i64, AnyError> {
-  Ok(314159)
+fn op_pi_json() -> i64 {
+  314159
 }
 
 // this is a function since async closures aren't stable
 #[op]
-async fn op_pi_async(_: Rc<RefCell<OpState>>) -> Result<i64, AnyError> {
-  Ok(314159)
+async fn op_pi_async() -> i64 {
+  314159
 }
 
 fn bench_op_pi_json(b: &mut Bencher) {

cli/build.rs

@@ -178,26 +178,23 @@ fn create_compiler_snapshot(
   }
 
   #[op]
-  fn op_build_info(
-    state: &mut OpState,
-    _args: Value,
-  ) -> Result<Value, AnyError> {
+  fn op_build_info(state: &mut OpState) -> Value {
     let build_specifier = "asset:///bootstrap.ts";
     let build_libs = state.borrow::<Vec<&str>>();
-    Ok(json!({
+    json!({
       "buildSpecifier": build_specifier,
       "libs": build_libs,
-    }))
+    })
   }
 
   #[op]
-  fn op_cwd(_args: Value) -> Result<Value, AnyError> {
-    Ok(json!("cache:///"))
+  fn op_cwd() -> String {
+    "cache:///".into()
   }
 
   #[op]
-  fn op_exists(_args: Value) -> Result<Value, AnyError> {
-    Ok(json!(false))
+  fn op_exists() -> bool {
+    false
   }
 
   #[op]

cli/lsp/tsc.rs

@@ -2489,10 +2489,7 @@ struct SpecifierArgs {
 }
 
 #[op]
-fn op_exists(
-  state: &mut OpState,
-  args: SpecifierArgs,
-) -> Result<bool, AnyError> {
+fn op_exists(state: &mut OpState, args: SpecifierArgs) -> bool {
   let state = state.borrow_mut::<State>();
   // we don't measure the performance of op_exists anymore because as of TS 4.5
   // it is noisy with all the checking for custom libs, that we can't see the
@@ -2504,10 +2501,9 @@ fn op_exists(
     // sometimes tsc tries to query invalid specifiers, especially when
     // something else isn't quite right, so instead of bubbling up the error
     // back to tsc, we simply swallow it and say the file doesn't exist
-    Err(_) => return Ok(false),
+    Err(_) => return false,
   };
-  let result = state.state_snapshot.documents.exists(&specifier);
-  Ok(result)
+  state.state_snapshot.documents.exists(&specifier)
 }
 
 #[derive(Debug, Deserialize, Serialize)]
@@ -2621,9 +2617,9 @@ fn op_get_text(
 }
 
 #[op]
-fn op_is_cancelled(state: &mut OpState) -> Result<bool, AnyError> {
+fn op_is_cancelled(state: &mut OpState) -> bool {
   let state = state.borrow_mut::<State>();
-  Ok(state.token.is_cancelled())
+  state.token.is_cancelled()
 }
 
 #[op]
@@ -2676,27 +2672,22 @@ fn op_resolve(
 }
 
 #[op]
-fn op_respond(state: &mut OpState, args: Response) -> Result<bool, AnyError> {
+fn op_respond(state: &mut OpState, args: Response) -> bool {
   let state = state.borrow_mut::<State>();
   state.response = Some(args);
-  Ok(true)
+  true
 }
 
 #[op]
-fn op_script_names(
-  state: &mut OpState,
-  _args: Value,
-) -> Result<Vec<ModuleSpecifier>, AnyError> {
+fn op_script_names(state: &mut OpState) -> Vec<ModuleSpecifier> {
   let state = state.borrow_mut::<State>();
-  Ok(
-    state
-      .state_snapshot
-      .documents
-      .documents(true, true)
-      .into_iter()
-      .map(|d| d.specifier().clone())
-      .collect(),
-  )
+  state
+    .state_snapshot
+    .documents
+    .documents(true, true)
+    .into_iter()
+    .map(|d| d.specifier().clone())
+    .collect()
 }
 
 #[derive(Debug, Deserialize, Serialize)]
@@ -3844,8 +3835,6 @@ mod tests {
         specifier: "/error/unknown:something/index.d.ts".to_string(),
       },
     );
-    assert!(actual.is_ok());
-    let actual = actual.unwrap();
     assert!(!actual);
   }
 

cli/ops/bench.rs

@@ -45,9 +45,8 @@ fn check_unstable(state: &OpState, api_name: &str) {
 }
 
 #[op]
-fn op_bench_check_unstable(state: &mut OpState) -> Result<(), AnyError> {
+fn op_bench_check_unstable(state: &mut OpState) {
   check_unstable(state, "Deno.bench");
-  Ok(())
 }
 
 #[derive(Clone)]
@@ -94,19 +93,14 @@ pub fn op_restore_test_permissions(
 }
 
 #[op]
-fn op_get_bench_origin(state: &mut OpState) -> Result<String, AnyError> {
-  Ok(state.borrow::<ModuleSpecifier>().to_string())
+fn op_get_bench_origin(state: &mut OpState) -> String {
+  state.borrow::<ModuleSpecifier>().to_string()
 }
 
 #[op]
-fn op_dispatch_bench_event(
-  state: &mut OpState,
-  event: BenchEvent,
-) -> Result<(), AnyError> {
+fn op_dispatch_bench_event(state: &mut OpState, event: BenchEvent) {
   let sender = state.borrow::<UnboundedSender<BenchEvent>>().clone();
   sender.send(event).ok();
-
-  Ok(())
 }
 
 #[op]

cli/tsc.rs

@@ -344,7 +344,7 @@ struct EmitArgs {
 }
 
 #[op]
-fn op_emit(state: &mut OpState, args: EmitArgs) -> Result<Value, AnyError> {
+fn op_emit(state: &mut OpState, args: EmitArgs) -> bool {
   let state = state.borrow_mut::<State>();
   match args.file_name.as_ref() {
     "deno:///.tsbuildinfo" => state.maybe_tsbuildinfo = Some(args.data),
@@ -389,7 +389,7 @@ fn op_emit(state: &mut OpState, args: EmitArgs) -> Result<Value, AnyError> {
     }
   }
 
-  Ok(json!(true))
+  true
 }
 
 #[derive(Debug, Deserialize)]
@@ -399,20 +399,20 @@ struct ExistsArgs {
 }
 
 #[op]
-fn op_exists(state: &mut OpState, args: ExistsArgs) -> Result<bool, AnyError> {
+fn op_exists(state: &mut OpState, args: ExistsArgs) -> bool {
   let state = state.borrow_mut::<State>();
   let graph_data = state.graph_data.read();
   if let Ok(specifier) = normalize_specifier(&args.specifier) {
     if specifier.scheme() == "asset" || specifier.scheme() == "data" {
-      Ok(true)
+      true
     } else {
-      Ok(matches!(
+      matches!(
         graph_data.get(&graph_data.follow_redirect(&specifier)),
         Some(ModuleEntry::Module { .. })
-      ))
+      )
     }
   } else {
-    Ok(false)
+    false
   }
 }
 
@@ -510,7 +510,7 @@ pub struct ResolveArgs {
 fn op_resolve(
   state: &mut OpState,
   args: ResolveArgs,
-) -> Result<Value, AnyError> {
+) -> Result<Vec<(String, String)>, AnyError> {
   let state = state.borrow_mut::<State>();
   let mut resolved: Vec<(String, String)> = Vec::new();
   let referrer = if let Some(remapped_specifier) =
@@ -607,7 +607,7 @@ fn op_resolve(
     }
   }
 
-  Ok(json!(resolved))
+  Ok(resolved)
 }
 
 #[derive(Debug, Deserialize, Eq, PartialEq)]
@@ -917,9 +917,8 @@ mod tests {
         file_name: "cache:///some/file.js".to_string(),
         maybe_specifiers: Some(vec!["file:///some/file.ts".to_string()]),
       },
-    )
-    .expect("should have invoked op");
-    assert_eq!(actual, json!(true));
+    );
+    assert!(actual);
     let state = state.borrow::<State>();
     assert_eq!(state.emitted_files.len(), 1);
     assert!(state.maybe_tsbuildinfo.is_none());
@@ -948,9 +947,8 @@ mod tests {
           vec!["file:///some/file.ts?q=.json".to_string()],
         ),
       },
-    )
-    .expect("should have invoked op");
-    assert_eq!(actual, json!(true));
+    );
+    assert!(actual);
     let state = state.borrow::<State>();
     assert_eq!(state.emitted_files.len(), 1);
     assert!(state.maybe_tsbuildinfo.is_none());
@@ -977,9 +975,8 @@ mod tests {
         file_name: "deno:///.tsbuildinfo".to_string(),
         maybe_specifiers: None,
       },
-    )
-    .expect("should have invoked op");
-    assert_eq!(actual, json!(true));
+    );
+    assert!(actual);
     let state = state.borrow::<State>();
     assert_eq!(state.emitted_files.len(), 0);
     assert_eq!(
@@ -1095,7 +1092,10 @@ mod tests {
       },
     )
     .expect("should have invoked op");
-    assert_eq!(actual, json!([["https://deno.land/x/b.ts", ".ts"]]));
+    assert_eq!(
+      actual,
+      vec![("https://deno.land/x/b.ts".into(), ".ts".into())]
+    );
   }
 
   #[tokio::test]
@@ -1116,7 +1116,7 @@ mod tests {
     .expect("should have not errored");
     assert_eq!(
       actual,
-      json!([["deno:///missing_dependency.d.ts", ".d.ts"]])
+      vec![("deno:///missing_dependency.d.ts".into(), ".d.ts".into())]
     );
   }
 

core/modules.rs

@@ -1141,7 +1141,6 @@ impl ModuleMap {
 #[cfg(test)]
 mod tests {
   use super::*;
-  use crate::error::AnyError;
   use crate::Extension;
   use crate::JsRuntime;
   use crate::RuntimeOptions;
@@ -1474,10 +1473,10 @@ import "/a.js";
     static DISPATCH_COUNT: AtomicUsize = AtomicUsize::new(0);
 
     #[op]
-    fn op_test(_: &mut OpState, control: u8) -> Result<u8, AnyError> {
+    fn op_test(control: u8) -> u8 {
       DISPATCH_COUNT.fetch_add(1, Ordering::Relaxed);
       assert_eq!(control, 42);
-      Ok(43)
+      43
     }
 
     let ext = Extension::builder().ops(vec![op_test::decl()]).build();

ext/url/lib.rs

@@ -160,13 +160,11 @@ pub fn op_url_parse_search_params(
 }
 
 #[op]
-pub fn op_url_stringify_search_params(
-  args: Vec<(String, String)>,
-) -> Result<String, AnyError> {
+pub fn op_url_stringify_search_params(args: Vec<(String, String)>) -> String {
   let search = form_urlencoded::Serializer::new(String::new())
     .extend_pairs(args)
     .finish();
-  Ok(search)
+  search
 }
 
 pub fn get_declaration() -> PathBuf {

ext/web/blob.rs

@@ -163,11 +163,10 @@ impl BlobPart for SlicedBlobPart {
 pub fn op_blob_create_part(
   state: &mut deno_core::OpState,
   data: ZeroCopyBuf,
-) -> Result<Uuid, AnyError> {
+) -> Uuid {
   let blob_store = state.borrow::<BlobStore>();
   let part = InMemoryBlobPart(data.to_vec());
-  let id = blob_store.insert_part(Arc::new(part));
-  Ok(id)
+  blob_store.insert_part(Arc::new(part))
 }
 
 #[derive(Deserialize)]
@@ -219,13 +218,9 @@ pub async fn op_blob_read_part(
 }
 
 #[op]
-pub fn op_blob_remove_part(
-  state: &mut deno_core::OpState,
-  id: Uuid,
-) -> Result<(), AnyError> {
+pub fn op_blob_remove_part(state: &mut deno_core::OpState, id: Uuid) {
   let blob_store = state.borrow::<BlobStore>();
   blob_store.remove_part(&id);
-  Ok(())
 }
 
 #[op]

ext/web/compression.rs

@@ -38,7 +38,7 @@ pub fn op_compression_new(
   state: &mut OpState,
   format: String,
   is_decoder: bool,
-) -> Result<ResourceId, AnyError> {
+) -> ResourceId {
   let w = Vec::new();
   let inner = match (format.as_str(), is_decoder) {
     ("deflate", true) => Inner::DeflateDecoder(ZlibDecoder::new(w)),
@@ -52,7 +52,7 @@ pub fn op_compression_new(
     _ => unreachable!(),
   };
   let resource = CompressionResource(RefCell::new(inner));
-  Ok(state.resource_table.add(resource))
+  state.resource_table.add(resource)
 }
 
 #[op]

ext/web/lib.rs

@@ -180,13 +180,13 @@ fn b64_decode(input: &[u8]) -> Result<Vec<u8>, AnyError> {
 }
 
 #[op]
-fn op_base64_encode(s: ZeroCopyBuf) -> Result<String, AnyError> {
-  Ok(b64_encode(&s))
+fn op_base64_encode(s: ZeroCopyBuf) -> String {
+  b64_encode(&s)
 }
 
 #[op]
-fn op_base64_btoa(s: ByteString) -> Result<String, AnyError> {
-  Ok(b64_encode(s))
+fn op_base64_btoa(s: ByteString) -> String {
+  b64_encode(s)
 }
 
 fn b64_encode(s: impl AsRef<[u8]>) -> String {
@@ -323,7 +323,7 @@ struct EncodeIntoResult {
 fn op_encoding_encode_into(
   input: String,
   mut buffer: ZeroCopyBuf,
-) -> Result<EncodeIntoResult, AnyError> {
+) -> EncodeIntoResult {
   // Since `input` is already UTF-8, we can simply find the last UTF-8 code
   // point boundary from input that fits in `buffer`, and copy the bytes up to
   // that point.
@@ -347,18 +347,17 @@ fn op_encoding_encode_into(
 
   buffer[..boundary].copy_from_slice(input[..boundary].as_bytes());
 
-  Ok(EncodeIntoResult {
+  EncodeIntoResult {
     // The `read` output parameter is measured in UTF-16 code units.
     read: input[..boundary].encode_utf16().count(),
     written: boundary,
-  })
+  }
 }
 
 /// Creates a [`CancelHandle`] resource that can be used to cancel invocations of certain ops.
 #[op]
-pub fn op_cancel_handle(state: &mut OpState) -> Result<ResourceId, AnyError> {
-  let rid = state.resource_table.add(CancelHandle::new());
-  Ok(rid)
+pub fn op_cancel_handle(state: &mut OpState) -> ResourceId {
+  state.resource_table.add(CancelHandle::new())
 }
 
 pub fn get_declaration() -> PathBuf {

ext/web/message_port.rs

@@ -109,7 +109,7 @@ impl Resource for MessagePortResource {
 #[op]
 pub fn op_message_port_create_entangled(
   state: &mut OpState,
-) -> Result<(ResourceId, ResourceId), AnyError> {
+) -> (ResourceId, ResourceId) {
   let (port1, port2) = create_entangled_message_port();
 
   let port1_id = state.resource_table.add(MessagePortResource {
@@ -122,7 +122,7 @@ pub fn op_message_port_create_entangled(
     cancel: CancelHandle::new(),
   });
 
-  Ok((port1_id, port2_id))
+  (port1_id, port2_id)
 }
 
 #[derive(Deserialize, Serialize)]

ext/web/timers.rs

@@ -28,7 +28,7 @@ pub type StartTime = Instant;
 // If the High precision flag is not set, the
 // nanoseconds are rounded on 2ms.
 #[op]
-pub fn op_now<TP>(state: &mut OpState, _argument: ()) -> Result<f64, AnyError>
+pub fn op_now<TP>(state: &mut OpState, _argument: ()) -> f64
 where
   TP: TimersPermission + 'static,
 {
@@ -44,9 +44,7 @@ where
     subsec_nanos -= subsec_nanos % reduced_time_precision;
   }
 
-  let result = (seconds * 1_000) as f64 + (subsec_nanos / 1_000_000.0);
-
-  Ok(result)
+  (seconds * 1_000) as f64 + (subsec_nanos / 1_000_000.0)
 }
 
 pub struct TimerHandle(Rc<CancelHandle>);
@@ -64,11 +62,10 @@ impl Resource for TimerHandle {
 /// Creates a [`TimerHandle`] resource that can be used to cancel invocations of
 /// [`op_sleep`].
 #[op]
-pub fn op_timer_handle(state: &mut OpState) -> Result<ResourceId, AnyError> {
-  let rid = state
+pub fn op_timer_handle(state: &mut OpState) -> ResourceId {
+  state
     .resource_table
-    .add(TimerHandle(CancelHandle::new_rc()));
-  Ok(rid)
+    .add(TimerHandle(CancelHandle::new_rc()))
 }
 
 /// Waits asynchronously until either `millis` milliseconds have passed or the
@@ -87,14 +84,10 @@ pub async fn op_sleep(
 }
 
 #[op]
-pub fn op_sleep_sync<TP>(
-  state: &mut OpState,
-  millis: u64,
-) -> Result<(), AnyError>
+pub fn op_sleep_sync<TP>(state: &mut OpState, millis: u64)
 where
   TP: TimersPermission + 'static,
 {
   state.borrow::<TP>().check_unstable(state, "Deno.sleepSync");
   std::thread::sleep(Duration::from_millis(millis));
-  Ok(())
 }

runtime/ops/os.rs

@@ -103,13 +103,12 @@ fn op_delete_env(state: &mut OpState, key: String) -> Result<(), AnyError> {
 }
 
 #[op]
-fn op_set_exit_code(state: &mut OpState, code: i32) -> Result<(), AnyError> {
+fn op_set_exit_code(state: &mut OpState, code: i32) {
   state.borrow_mut::<Arc<AtomicI32>>().store(code, Relaxed);
-  Ok(())
 }
 
 #[op]
-fn op_exit(state: &mut OpState) -> Result<(), AnyError> {
+fn op_exit(state: &mut OpState) {
   let code = state.borrow::<Arc<AtomicI32>>().load(Relaxed);
   std::process::exit(code)
 }

runtime/ops/web_worker.rs

@@ -55,16 +55,15 @@ async fn op_worker_recv_message(
 }
 
 #[op]
-fn op_worker_close(state: &mut OpState) -> Result<(), AnyError> {
+fn op_worker_close(state: &mut OpState) {
   // Notify parent that we're finished
   let mut handle = state.borrow_mut::<WebWorkerInternalHandle>().clone();
 
   handle.terminate();
-  Ok(())
 }
 
 #[op]
-fn op_worker_get_type(state: &mut OpState) -> Result<WebWorkerType, AnyError> {
+fn op_worker_get_type(state: &mut OpState) -> WebWorkerType {
   let handle = state.borrow::<WebWorkerInternalHandle>().clone();
-  Ok(handle.worker_type)
+  handle.worker_type
 }

runtime/ops/worker_host.rs

@@ -258,16 +258,12 @@ fn op_create_worker(
 }
 
 #[op]
-fn op_host_terminate_worker(
-  state: &mut OpState,
-  id: WorkerId,
-) -> Result<(), AnyError> {
+fn op_host_terminate_worker(state: &mut OpState, id: WorkerId) {
   if let Some(worker_thread) = state.borrow_mut::<WorkersTable>().remove(&id) {
     worker_thread.terminate();
   } else {
     debug!("tried to terminate non-existent worker {}", id);
   }
-  Ok(())
 }
 
 enum WorkerChannel {