feat(ext/web): EventSource (#14730)

Closes #10298

---------

Co-authored-by: Aapo Alasuutari <aapo.alasuutari@gmail.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/ext/fetch/lib.rs b/ext/fetch/lib.rs
index 589e6ebd8..797c5e2cd 100644
--- a/ext/fetch/lib.rs
+++ b/ext/fetch/lib.rs
@@ -112,6 +112,7 @@ deno_core::extension!(deno_fetch,
     op_fetch<FP>,
     op_fetch_send,
     op_fetch_response_upgrade,
+    op_utf8_to_byte_string,
     op_fetch_custom_client<FP>,
   ],
   esm = [
@@ -121,7 +122,8 @@ deno_core::extension!(deno_fetch,
     "22_http_client.js",
     "23_request.js",
     "23_response.js",
-    "26_fetch.js"
+    "26_fetch.js",
+    "27_eventsource.js"
   ],
   options = {
     options: Options,
@@ -969,3 +971,11 @@ pub fn create_http_client(
 
   builder.build().map_err(|e| e.into())
 }
+
+#[op2]
+#[serde]
+pub fn op_utf8_to_byte_string(
+  #[string] input: String,
+) -> Result<ByteString, AnyError> {
+  Ok(input.into())
+}