/opt/canhelp/node_modules/hono/dist/utils
Edit: /opt/canhelp/node_modules/hono/dist/utils/stream.js (1794B)
// src/utils/stream.ts
var StreamingApi = class {
writer;
encoder;
writable;
abortSubscribers = [];
responseReadable;
/**
* Whether the stream has been aborted.
*/
aborted = false;
/**
* Whether the stream has been closed normally.
*/
closed = false;
constructor(writable, _readable) {
this.writable = writable;
this.writer = writable.getWriter();
this.encoder = new TextEncoder();
const reader = _readable.getReader();
this.abortSubscribers.push(async () => {
await reader.cancel();
});
this.responseReadable = new ReadableStream({
async pull(controller) {
const { done, value } = await reader.read();
done ? controller.close() : controller.enqueue(value);
},
cancel: () => {
this.abort();
}
});
}
async write(input) {
try {
if (typeof input === "string") {
input = this.encoder.encode(input);
}
await this.writer.write(input);
} catch {
}
return this;
}
async writeln(input) {
await this.write(input + "\n");
return this;
}
sleep(ms) {
return new Promise((res) => setTimeout(res, ms));
}
async close() {
try {
await this.writer.close();
} catch {
}
this.closed = true;
}
async pipe(body) {
this.writer.releaseLock();
await body.pipeTo(this.writable, { preventClose: true });
this.writer = this.writable.getWriter();
}
onAbort(listener) {
this.abortSubscribers.push(listener);
}
/**
* Abort the stream.
* You can call this method when stream is aborted by external event.
*/
abort() {
if (!this.aborted) {
this.aborted = true;
this.abortSubscribers.forEach((subscriber) => subscriber());
}
}
};
export {
StreamingApi
};