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Updates tools/format.js and tools/lint.js from Deno.spawn to
Deno.Command API.
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WebSocket internal events can bypass Event's webidl checks and
`ReflectDefineProperty` on the object value. Note, this intentionally
makes websocket events `isTrusted` configurable (not spec-compliant)
which hurts performance a lot.
Before:
```
Msg/sec: 167627.750000
Msg/sec: 168239.250000
Msg/sec: 169690.000000
```
After:
```
Msg/sec: 191065.500000
Msg/sec: 194745.250000
Msg/sec: 194746.000000
```
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Co-authored-by: kt3k <kt3k@users.noreply.github.com>
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This commit changes REPL behavior to respect --quiet flag. Once
this flag is present REPL will not print a banner at the start.
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It seems we don't really need to allow these clippy rules.
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* Introduces `ReadableStreamDefaultReadResult` and modifies
`ReadableStreamDefaultReader.read` to return this type (closes #15269).
* Adds the missing `ReadableStreamBYOBReader` constructor.
* Removes the nonexistent `ReadableStreamReader` class.
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https://github.com/dprint/dprint-plugin-markdown/pull/67
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requirements (#16866)
Closes #16867
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Co-authored-by: David Sherret <dsherret@gmail.com>
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Closes #16851
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cache folder (#16857)
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This commit updates unhelpful messages that are raised when event loop
stalls on unresolved top-level promises.
Instead of "Module evaluation is still pending but there are no pending
ops or dynamic imports. This situation is often caused by unresolved
promises." and "Dynamically imported module evaluation is still pending
but there are no pending ops. This situation is often caused by
unresolved promises." we are now printing a message like:
error: Top-level await promise never resolved
[SOURCE LINE]
^
at [FUNCTION NAME] ([FILENAME])
eg:
error: Top-level await promise never resolved
await new Promise((_resolve, _reject) => {});
^
at <anonymous>
(file:///Users/ib/dev/deno/cli/tests/testdata/test/unresolved_promise.ts:1:1)
Co-authored-by: David Sherret <dsherret@users.noreply.github.com>
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Refactors the `Deno.Command` class to not handle any state, but only being an intermediary to calling its methods, and as such any methods and properties besides `output`, `outputSync` & `spawn` have been removed. Interracting with a `spawn`ed subprocess now works by using the methods and properties on the returned class of the `spawn` method.
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(#16842)
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Currently, slow call path will always create a dangling pointer to
replace a null pointer when called with eg. a `new Uint8Array()`
parameter, which V8 initialises as a null pointer backed buffer.
However, the fast call path will never change the pointer value and will
thus expose a null pointer. Thus, it's possible that the pointer value
that a native call sees coming from Deno changes between two sequential
invocations of the same function with the exact same parameters.
Since null pointers can be quite important, and `Uint8Array` is the
chosen fast path for Deno FFI `"buffer"` parameters, I think it is
fairly important that the null pointer be properly exposed to the native
code. Thus this PR.
### `*mut c_void`
While here, I also changed the type of our pointer values to `*mut
c_void`. This is mainly due to JS buffers always being `*mut`, and
because we offer a way to turn a pointer into a JS `ArrayBuffer`
(`op_ffi_get_buf`) which is read-write. I'm not exactly sure which way
we should really go here, we have pointers that are definitely mut but
we also cannot assume all of our pointers are. So, do we go with the
maxima or the minima?
### `optimisedCall(new Uint8Array())`
V8 seems to have a bug where calling an optimised function with a newly
created empty `Uint8Array` (no argument or 0) will not see the data
pointer being null but instead it's some stable pointer, perhaps
pointing to some internal null-backing-store. The pointer value is also
an odd (not even) number, so it might specifically be a tagged pointer.
This will probably be an issue for some users, if they try to use eg.
`method(cstr("something"), new Uint8Array())` as a way to do a fast call
to `method` with a null pointer as the second parameter.
If instead of a `new Uint8Array()` the user instead uses some `const
NULL = new Uint8Array()` where the `NULL` buffer has been passed to a
slow call previously, then the fast call will properly see a null
pointer.
I'll take this up with some V8 engineers to see if this couldn't be
fixed.
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This PR introduces Wasm ops. These calls are optimized for entry from
Wasm land.
The `#[op(wasm)]` attribute is opt-in.
Last parameter `Option<&mut [u8]>` is the memory slice of the Wasm
module *when entered from a Fast API call*. Otherwise, the user is
expected to implement logic to obtain the memory if `None`
```rust
#[op(wasm)]
pub fn op_args_get(
offset: i32,
buffer_offset: i32,
memory: Option<&mut [u8]>,
) {
// ...
}
```
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The optimization was missed in the optimizer rewrite
https://github.com/denoland/deno/pull/16514
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(#16839)
…ed promises in mind (#16616)"
This reverts commit fd023cf7937e67dfde5482d34ebc60839eb7397c.
There are reports saying that Vite is often hanging in 1.28.2 and this
is
the only PR that changed something with HTTP server. I think we should
hold off on trying to fix this and instead focus on #16787
CC @magurotuna
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Upgrade fast_call tests to full (both tier) codegen tests.
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This commit allows to execute more JS code from extensions when
creating a snapshot from an existing snapshot.
"deno_core::RuntimeOptions::extensions_with_js" field was added
that is used to pass a list of extensions whose both "ops" and
associated JS source should be executed upon start.
Co-authored-by: crowlkats <crowlkats@toaxl.com>
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(#16831)
This commit changes "JsRuntime" to send "executionContextDestroyed"
notification when the program finishes and shows a prompt informing
that runtime is waiting for inspector to disconnect.
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With trial and error I found that most debuggers expect "isDefault" to be sent
in "auxData" field of "executionContextCreated" notification. This stems from
the fact that Node.js sends this data and eg. VSCode requires it to close
connection to the debugger when the program finishes execution.
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Co-authored-by: Divy Srivastava <dj.srivastava23@gmail.com>
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See https://github.com/denoland/deno/pull/16814#discussion_r1032744083.
Allows nullable buffers in low-level ops like FFI:
```rust
fn op_ffi_ptr_of<FP>(
state: &mut OpState,
buf: *const u8,
out: &mut [u32],
)
where
FP: FfiPermissions + 'static {
// ..
}
```
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This should be in the `args` folder as it's similar to `config_file`.
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packages (#16813)
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Closes #14840
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This commit improves the guidance for how to close a child process
stdout / stderr to also include guidance for when using
`new Deno.Command()`.
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This commit changes history handling of the REPL.
There were some situations were history wasn't properly saved and flushed to a
file, making history very spotty. This commit changes it to save every line into
the history file and flush it to disk before being evaluated.
Thanks to this all lines, including "close()" will be stored in the history
file.
If for any reason we're not able to save history file, a single warning will be
printed to the REPL and it will continue to work, even if subsequent tries will
fail to save to disk.
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Closes #16792
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Co-authored-by: bartlomieju <bartlomieju@users.noreply.github.com>
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
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(#16791)
Closes #16782
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mind (#16616)
This PR resets the revert commit made by #16610, bringing back #16383
which attempts to fix the issue happening when we use the flash server
with `--watch` option enabled.
Also, some code changes are made to pass the regression test added in
#16610.
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This code checks if permission flags are incorrectly defined after the
module name (e.g. `deno run mod.ts --allow-read` instead of the correct
`deno run --allow-read mod.ts`). If so, a simple warning is displayed.
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