feat: use libdatadog's css instead of local one

crates/capabilities/Cargo.toml

@@ -15,7 +15,7 @@ http = "1"
 bytes = "1.4"
 futures-core = "0.3"
 anyhow = "1"
-libdd-capabilities = { git = "https://github.com/DataDog/libdatadog.git", rev = "3081603d3c74f209be4e3be951f78a1a7469397f" }
+libdd-capabilities = { git = "https://github.com/DataDog/libdatadog.git", rev = "15899dfe754d12186ce7db72f0ff41c1920d52ec" }
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3"

crates/capabilities/src/env.rs

@@ -0,0 +1,28 @@
+// Copyright 2026-Present Datadog, Inc. https://www.datadoghq.com/
+// SPDX-License-Identifier: Apache-2.0
+
+//! Wasm implementation of [`EnvCapability`] backed by Node.js `process.env`.
+
+use wasm_bindgen::prelude::*;
+
+use libdd_capabilities::env::{EnvCapability, EnvError};
+
+#[wasm_bindgen(module = "/src/env_transport.js")]
+extern "C" {
+    #[wasm_bindgen(js_name = "get")]
+    fn js_env_get(name: &str) -> JsValue;
+}
+
+#[derive(Debug, Clone)]
+pub struct WasmEnvCapability;
+
+impl EnvCapability for WasmEnvCapability {
+    fn new() -> Self {
+        Self
+    }
+
+    fn get(&self, name: &str) -> Result<Option<String>, EnvError> {
+        // Node coerces every process.env value to a string, so NotUnicode is unreachable here.
+        Ok(js_env_get(name).as_string())
+    }
+}

crates/capabilities/src/env_transport.js

@@ -0,0 +1,7 @@
+'use strict'
+
+const { env } = process
+
+module.exports.get = (name) => {
+  return env[name]
+}

crates/capabilities/src/lib.rs

@@ -4,22 +4,24 @@
 //! Wasm capability implementations for libdatadog-nodejs.
 //!
 //! [`WasmCapabilities`] is the bundle struct that implements every capability
-//! trait `TraceExporter` requires (HTTP, sleep, log output) using wasm_bindgen
-//! and JS transports. The wasm binding crate pins this type as the capability
-//! generic for libdatadog's `TraceExporter`, mirroring libdatadog's native
-//! `NativeCapabilities`.
+//! trait `TraceExporter` requires using wasm_bindgen and JS transports. The
+//! wasm binding crate pins this type as the capability generic for libdatadog's
+//! `TraceExporter`, mirroring libdatadog's native `NativeCapabilities`.
 
 use std::future::Future;
 use std::time::Duration;
 
+use libdd_capabilities::env::{EnvCapability, EnvError};
 use libdd_capabilities::file::{FileCapability, FileError, FileMetadata};
 use libdd_capabilities::http::HttpError;
 use libdd_capabilities::{HttpClientCapability, LogWriterCapability, MaybeSend, SleepCapability};
 
+pub mod env;
 pub mod file;
 pub mod http;
 pub mod sleep;
 
+pub use env::WasmEnvCapability;
 pub use file::WasmFileCapability;
 pub use http::WasmHttpClient;
 pub use sleep::WasmSleepCapability;
@@ -38,6 +40,7 @@ pub struct WasmCapabilities {
     sleep: WasmSleepCapability,
     /// Filesystem access delegated to the Node.js `fs` transport.
     file: WasmFileCapability,
+    env: WasmEnvCapability,
 }
 
 impl Default for WasmCapabilities {
@@ -52,6 +55,7 @@ impl WasmCapabilities {
             http: WasmHttpClient::new_client(),
             sleep: WasmSleepCapability,
             file: WasmFileCapability,
+            env: WasmEnvCapability,
         }
     }
 }
@@ -122,3 +126,12 @@ impl FileCapability for WasmCapabilities {
     }
 }
 
+impl EnvCapability for WasmCapabilities {
+    fn new() -> Self {
+        Self::new()
+    }
+
+    fn get(&self, name: &str) -> Result<Option<String>, EnvError> {
+        self.env.get(name)
+    }
+}