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Vendor dependencies for 0.3.0 release

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Robert Garrett
2025-09-27 10:29:08 -05:00
parent 0c8d39d483
commit 82ab7f317b
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{"files":{"Cargo.toml":"db14df8d7d7abf9b32dccd76ef2f3bd59bccc646a47caad949a90f076a180ae0","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"c8a0ba6fae6e71dceb5712a31fa4ae4de31b996c638bb458e66e1d81713d699b","README.md":"fb41ca327584e592c600e002e5947b384478c01aa227c0a95280a1768501e64a","src/lib.rs":"4d71d428b624fc8987672eeb9f6e4894091493b7ae8b1d38f840b722670f11ff"},"package":"4575c663a174420fa2d78f4108ff68f65bf2fbb7dd89f33749b6e826b3626e07"}

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# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
#
# When uploading crates to the registry Cargo will automatically
# "normalize" Cargo.toml files for maximal compatibility
# with all versions of Cargo and also rewrite `path` dependencies
# to registry (e.g., crates.io) dependencies
#
# If you believe there's an error in this file please file an
# issue against the rust-lang/cargo repository. If you're
# editing this file be aware that the upstream Cargo.toml
# will likely look very different (and much more reasonable)
[package]
edition = "2018"
name = "tracing-wasm"
version = "0.2.1"
authors = ["Cole Lawrence <cole@colelawrence.com>", "Story.ai Team <team@story.ai>"]
exclude = ["*.png"]
description = "tracing subscriber for browser WASM"
readme = "README.md"
keywords = ["logging", "metrics", "wasm", "spans", "tracing"]
categories = ["development-tools::debugging", "development-tools::profiling", "no-std", "wasm"]
license = "MIT OR Apache-2.0"
repository = "https://github.com/storyai/tracing-wasm"
[lib]
crate-type = ["cdylib", "rlib"]
[dependencies.rayon]
version = "1.5"
optional = true
[dependencies.tracing]
version = "0.1"
features = ["attributes"]
default-features = false
[dependencies.tracing-subscriber]
version = "0.3"
features = ["registry"]
default-features = false
[dependencies.wasm-bindgen]
version = "0.2"
[features]
mark-with-rayon-thread-index = ["rayon"]

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Copyright (c) 2020 Story.ai
Permission is hereby granted, free of charge, to any
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

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# `tracing-wasm`
Leverage performance profiling with your browser tools with the [tracing crate](https://crates.io/crates/tracing).
[![Crates.io][crates-badge]][crates-url]
[![Documentation][docs-badge]][docs-url]
[![MIT licensed][mit-badge]][mit-url]
[![APACHE licensed][apache-2-badge]][apache-2-url]
[crates-badge]: https://img.shields.io/crates/v/tracing-wasm.svg
[crates-url]: https://crates.io/crates/tracing-wasm
[docs-badge]: https://docs.rs/tracing-wasm/badge.svg
[docs-url]: https://docs.rs/tracing-wasm
[mit-badge]: https://img.shields.io/badge/license-MIT-blue.svg
[mit-url]: LICENSE-MIT
[apache-2-badge]: https://img.shields.io/badge/license-APACHE%202.0-blue.svg
[apache-2-url]: LICENSE-APACHE
![Screenshot of performance reported using the `tracing-wasm` Subscriber](./2020-07-10-devtools-demo-screenshot.png)
Note: `tracing_wasm` uses the global JavaScript `console` and `performance` objects. It will not work in environments where one or both of these are not available, such as Node.js or Cloudflare Workers.
## Usage
For the simplest out of the box set-up, you can simply set `tracing_wasm` as your default tracing Subscriber in wasm_bindgen(start)
We have this declared in our `./src/lib.rs`
```rust
#[wasm_bindgen(start)]
pub fn start() -> Result<(), JsValue> {
// print pretty errors in wasm https://github.com/rustwasm/console_error_panic_hook
// This is not needed for tracing_wasm to work, but it is a common tool for getting proper error line numbers for panics.
console_error_panic_hook::set_once();
// Add this line:
tracing_wasm::set_as_global_default();
Ok(())
}
```

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use core::fmt::{self, Write};
use core::sync::atomic::AtomicUsize;
use tracing::Subscriber;
use tracing::{
dispatcher::SetGlobalDefaultError,
field::{Field, Visit},
};
use tracing_subscriber::layer::*;
use tracing_subscriber::registry::*;
use wasm_bindgen::prelude::*;
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen(js_namespace = performance)]
fn mark(a: &str);
#[wasm_bindgen(catch, js_namespace = performance)]
fn measure(name: String, startMark: String) -> Result<(), JsValue>;
#[wasm_bindgen(js_namespace = console, js_name = log)]
fn log1(message: String);
#[wasm_bindgen(js_namespace = console, js_name = log)]
fn log2(message1: &str, message2: &str);
#[wasm_bindgen(js_namespace = console, js_name = log)]
fn log3(message1: &str, message2: &str, message3: &str);
#[wasm_bindgen(js_namespace = console, js_name = log)]
fn log4(message1: String, message2: &str, message3: &str, message4: &str);
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn test_default_built_config() {
let builder = WASMLayerConfigBuilder::new();
let config = builder.build();
assert_eq!(
config,
WASMLayerConfig {
report_logs_in_timings: true,
report_logs_in_console: true,
use_console_color: true,
max_level: tracing::Level::TRACE,
}
)
}
#[test]
fn test_set_report_logs_in_timings() {
let mut builder = WASMLayerConfigBuilder::new();
builder.set_report_logs_in_timings(false);
let config = builder.build();
assert_eq!(config.report_logs_in_timings, false);
}
#[test]
fn test_set_console_config_no_reporting() {
let mut builder = WASMLayerConfigBuilder::new();
builder.set_console_config(ConsoleConfig::NoReporting);
let config = builder.build();
assert_eq!(config.report_logs_in_console, false);
assert_eq!(config.use_console_color, false);
}
#[test]
fn test_set_console_config_without_color() {
let mut builder = WASMLayerConfigBuilder::new();
builder.set_console_config(ConsoleConfig::ReportWithoutConsoleColor);
let config = builder.build();
assert_eq!(config.report_logs_in_console, true);
assert_eq!(config.use_console_color, false);
}
#[test]
fn test_set_console_config_with_color() {
let mut builder = WASMLayerConfigBuilder::new();
builder.set_console_config(ConsoleConfig::ReportWithConsoleColor);
let config = builder.build();
assert_eq!(config.report_logs_in_console, true);
assert_eq!(config.use_console_color, true);
}
#[test]
fn test_default_config_log_level() {
let builder = WASMLayerConfigBuilder::new();
let config = builder.build();
assert_eq!(config.max_level, tracing::Level::TRACE);
}
#[test]
fn test_set_config_log_level_warn() {
let mut builder = WASMLayerConfigBuilder::new();
builder.set_max_level(tracing::Level::WARN);
let config = builder.build();
assert_eq!(config.max_level, tracing::Level::WARN);
}
}
pub enum ConsoleConfig {
NoReporting,
ReportWithoutConsoleColor,
ReportWithConsoleColor,
}
pub struct WASMLayerConfigBuilder {
/// Log events will be marked and measured so they appear in performance Timings
report_logs_in_timings: bool,
/// Log events will be logged to the browser console
report_logs_in_console: bool,
/// Only relevant if report_logs_in_console is true, this will use color style strings in the console.
use_console_color: bool,
/// Log events will be reported from this level -- Default is ALL (TRACE)
max_level: tracing::Level,
}
impl WASMLayerConfigBuilder {
pub fn new() -> WASMLayerConfigBuilder {
WASMLayerConfigBuilder::default()
}
/// Set whether events should appear in performance Timings
pub fn set_report_logs_in_timings(
&mut self,
report_logs_in_timings: bool,
) -> &mut WASMLayerConfigBuilder {
self.report_logs_in_timings = report_logs_in_timings;
self
}
/// Set the maximal level on which events should be displayed
pub fn set_max_level(&mut self, max_level: tracing::Level) -> &mut WASMLayerConfigBuilder {
self.max_level = max_level;
self
}
/// Set if and how events should be displayed in the browser console
pub fn set_console_config(
&mut self,
console_config: ConsoleConfig,
) -> &mut WASMLayerConfigBuilder {
match console_config {
ConsoleConfig::NoReporting => {
self.report_logs_in_console = false;
self.use_console_color = false;
}
ConsoleConfig::ReportWithoutConsoleColor => {
self.report_logs_in_console = true;
self.use_console_color = false;
}
ConsoleConfig::ReportWithConsoleColor => {
self.report_logs_in_console = true;
self.use_console_color = true;
}
}
self
}
/// Build the WASMLayerConfig
pub fn build(&self) -> WASMLayerConfig {
WASMLayerConfig {
report_logs_in_timings: self.report_logs_in_timings,
report_logs_in_console: self.report_logs_in_console,
use_console_color: self.use_console_color,
max_level: self.max_level,
}
}
}
impl Default for WASMLayerConfigBuilder {
fn default() -> WASMLayerConfigBuilder {
WASMLayerConfigBuilder {
report_logs_in_timings: true,
report_logs_in_console: true,
use_console_color: true,
max_level: tracing::Level::TRACE,
}
}
}
#[derive(Debug, PartialEq)]
pub struct WASMLayerConfig {
report_logs_in_timings: bool,
report_logs_in_console: bool,
use_console_color: bool,
max_level: tracing::Level,
}
impl core::default::Default for WASMLayerConfig {
fn default() -> Self {
WASMLayerConfig {
report_logs_in_timings: true,
report_logs_in_console: true,
use_console_color: true,
max_level: tracing::Level::TRACE,
}
}
}
/// Implements [tracing_subscriber::layer::Layer] which uses [wasm_bindgen] for marking and measuring with `window.performance`
pub struct WASMLayer {
last_event_id: AtomicUsize,
config: WASMLayerConfig,
}
impl WASMLayer {
pub fn new(config: WASMLayerConfig) -> Self {
WASMLayer {
last_event_id: AtomicUsize::new(0),
config,
}
}
}
impl core::default::Default for WASMLayer {
fn default() -> Self {
WASMLayer::new(WASMLayerConfig::default())
}
}
#[cfg(not(feature = "mark-with-rayon-thread-index"))]
#[inline]
fn thread_display_suffix() -> &'static str {
""
}
#[cfg(feature = "mark-with-rayon-thread-index")]
fn thread_display_suffix() -> String {
let mut message = " #".to_string();
match rayon::current_thread_index() {
Some(idx) => message.push_str(&format!("{}", idx)),
None => message.push_str("main"),
}
message
}
#[cfg(not(feature = "mark-with-rayon-thread-index"))]
fn mark_name(id: &tracing::Id) -> String {
format!("t{:x}", id.into_u64())
}
#[cfg(feature = "mark-with-rayon-thread-index")]
fn mark_name(id: &tracing::Id) -> String {
format!(
"t{:x}-{}",
id.into_u64(),
rayon::current_thread_index().unwrap_or(999)
)
}
impl<S: Subscriber + for<'a> LookupSpan<'a>> Layer<S> for WASMLayer {
fn enabled(&self, metadata: &tracing::Metadata<'_>, _: Context<'_, S>) -> bool {
let level = metadata.level();
level <= &self.config.max_level
}
fn on_new_span(
&self,
attrs: &tracing::span::Attributes<'_>,
id: &tracing::Id,
ctx: Context<'_, S>,
) {
let mut new_debug_record = StringRecorder::new();
attrs.record(&mut new_debug_record);
if let Some(span_ref) = ctx.span(id) {
span_ref
.extensions_mut()
.insert::<StringRecorder>(new_debug_record);
}
}
/// doc: Notifies this layer that a span with the given Id recorded the given values.
fn on_record(&self, id: &tracing::Id, values: &tracing::span::Record<'_>, ctx: Context<'_, S>) {
if let Some(span_ref) = ctx.span(id) {
if let Some(debug_record) = span_ref.extensions_mut().get_mut::<StringRecorder>() {
values.record(debug_record);
}
}
}
// /// doc: Notifies this layer that a span with the ID span recorded that it follows from the span with the ID follows.
// fn on_follows_from(&self, _span: &tracing::Id, _follows: &tracing::Id, ctx: Context<'_, S>) {}
/// doc: Notifies this layer that an event has occurred.
fn on_event(&self, event: &tracing::Event<'_>, _ctx: Context<'_, S>) {
if self.config.report_logs_in_timings || self.config.report_logs_in_console {
let mut recorder = StringRecorder::new();
event.record(&mut recorder);
let meta = event.metadata();
let level = meta.level();
if self.config.report_logs_in_console {
let origin = meta
.file()
.and_then(|file| meta.line().map(|ln| format!("{}:{}", file, ln)))
.unwrap_or_default();
if self.config.use_console_color {
log4(
format!(
"%c{}%c {}{}%c{}",
level,
origin,
thread_display_suffix(),
recorder,
),
match *level {
tracing::Level::TRACE => "color: dodgerblue; background: #444",
tracing::Level::DEBUG => "color: lawngreen; background: #444",
tracing::Level::INFO => "color: whitesmoke; background: #444",
tracing::Level::WARN => "color: orange; background: #444",
tracing::Level::ERROR => "color: red; background: #444",
},
"color: gray; font-style: italic",
"color: inherit",
);
} else {
log1(format!(
"{} {}{} {}",
level,
origin,
thread_display_suffix(),
recorder,
));
}
}
if self.config.report_logs_in_timings {
let mark_name = format!(
"c{:x}",
self.last_event_id
.fetch_add(1, core::sync::atomic::Ordering::Relaxed)
);
// mark and measure so you can see a little blip in the profile
mark(&mark_name);
let _ = measure(
format!(
"{} {}{} {}",
level,
meta.module_path().unwrap_or("..."),
thread_display_suffix(),
recorder,
),
mark_name,
);
}
}
}
/// doc: Notifies this layer that a span with the given ID was entered.
fn on_enter(&self, id: &tracing::Id, _ctx: Context<'_, S>) {
mark(&mark_name(id));
}
/// doc: Notifies this layer that the span with the given ID was exited.
fn on_exit(&self, id: &tracing::Id, ctx: Context<'_, S>) {
if let Some(span_ref) = ctx.span(id) {
let meta = span_ref.metadata();
if let Some(debug_record) = span_ref.extensions().get::<StringRecorder>() {
let _ = measure(
format!(
"\"{}\"{} {} {}",
meta.name(),
thread_display_suffix(),
meta.module_path().unwrap_or("..."),
debug_record,
),
mark_name(id),
);
} else {
let _ = measure(
format!(
"\"{}\"{} {}",
meta.name(),
thread_display_suffix(),
meta.module_path().unwrap_or("..."),
),
mark_name(id),
);
}
}
}
// /// doc: Notifies this layer that the span with the given ID has been closed.
// /// We can dispose of any data for the span we might have here...
// fn on_close(&self, _id: tracing::Id, ctx: Context<'_, S>) {}
// /// doc: Notifies this layer that a span ID has been cloned, and that the subscriber returned a different ID.
// /// I'm not sure if I need to do something here...
// fn on_id_change(&self, _old: &tracing::Id, _new: &tracing::Id, ctx: Context<'_, S>) {}
}
/// Set the global default with [tracing::subscriber::set_global_default]
pub fn set_as_global_default() {
tracing::subscriber::set_global_default(
Registry::default().with(WASMLayer::new(WASMLayerConfig::default())),
)
.expect("default global");
}
/// Set the global default with [tracing::subscriber::set_global_default]
pub fn try_set_as_global_default() -> Result<(), SetGlobalDefaultError> {
tracing::subscriber::set_global_default(
Registry::default().with(WASMLayer::new(WASMLayerConfig::default())),
)
}
/// Set the global default with [tracing::subscriber::set_global_default]
pub fn set_as_global_default_with_config(config: WASMLayerConfig) {
tracing::subscriber::set_global_default(Registry::default().with(WASMLayer::new(config)))
.expect("default global");
}
struct StringRecorder {
display: String,
is_following_args: bool,
}
impl StringRecorder {
fn new() -> Self {
StringRecorder {
display: String::new(),
is_following_args: false,
}
}
}
impl Visit for StringRecorder {
fn record_debug(&mut self, field: &Field, value: &dyn fmt::Debug) {
if field.name() == "message" {
if !self.display.is_empty() {
self.display = format!("{:?}\n{}", value, self.display)
} else {
self.display = format!("{:?}", value)
}
} else {
if self.is_following_args {
// following args
writeln!(self.display).unwrap();
} else {
// first arg
write!(self.display, " ").unwrap();
self.is_following_args = true;
}
write!(self.display, "{} = {:?};", field.name(), value).unwrap();
}
}
}
impl core::fmt::Display for StringRecorder {
fn fmt(&self, mut f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
if !self.display.is_empty() {
write!(&mut f, " {}", self.display)
} else {
Ok(())
}
}
}
impl core::default::Default for StringRecorder {
fn default() -> Self {
StringRecorder::new()
}
}