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_node_modules/@hono/node-server/dist/utils.mjs

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+// src/utils.ts
+async function readWithoutBlocking(readPromise) {
+  return Promise.race([readPromise, Promise.resolve().then(() => Promise.resolve(void 0))]);
+}
+function writeFromReadableStreamDefaultReader(reader, writable, currentReadPromise) {
+  const cancel = (error) => {
+    reader.cancel(error).catch(() => {
+    });
+  };
+  writable.on("close", cancel);
+  writable.on("error", cancel);
+  (currentReadPromise ?? reader.read()).then(flow, handleStreamError);
+  return reader.closed.finally(() => {
+    writable.off("close", cancel);
+    writable.off("error", cancel);
+  });
+  function handleStreamError(error) {
+    if (error) {
+      writable.destroy(error);
+    }
+  }
+  function onDrain() {
+    reader.read().then(flow, handleStreamError);
+  }
+  function flow({ done, value }) {
+    try {
+      if (done) {
+        writable.end();
+      } else if (!writable.write(value)) {
+        writable.once("drain", onDrain);
+      } else {
+        return reader.read().then(flow, handleStreamError);
+      }
+    } catch (e) {
+      handleStreamError(e);
+    }
+  }
+}
+function writeFromReadableStream(stream, writable) {
+  if (stream.locked) {
+    throw new TypeError("ReadableStream is locked.");
+  } else if (writable.destroyed) {
+    return;
+  }
+  return writeFromReadableStreamDefaultReader(stream.getReader(), writable);
+}
+var buildOutgoingHttpHeaders = (headers) => {
+  const res = {};
+  if (!(headers instanceof Headers)) {
+    headers = new Headers(headers ?? void 0);
+  }
+  const cookies = [];
+  for (const [k, v] of headers) {
+    if (k === "set-cookie") {
+      cookies.push(v);
+    } else {
+      res[k] = v;
+    }
+  }
+  if (cookies.length > 0) {
+    res["set-cookie"] = cookies;
+  }
+  res["content-type"] ??= "text/plain; charset=UTF-8";
+  return res;
+};
+export {
+  buildOutgoingHttpHeaders,
+  readWithoutBlocking,
+  writeFromReadableStream,
+  writeFromReadableStreamDefaultReader
+};