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55 changes: 22 additions & 33 deletions docs/index.d.ts
Original file line number Diff line number Diff line change
Expand Up @@ -110,31 +110,20 @@ export interface WebSocket<UserData> {

/** An HttpResponse is valid until either onAborted callback or any of the .end/.tryEnd calls succeed. You may attach user data to this object. */
export interface HttpResponse {
/** Writes the HTTP status message such as "200 OK".
* This has to be called first in any response, otherwise
* it will be called automatically with "200 OK".
*
* If you want to send custom headers in a WebSocket
* upgrade response, you have to call writeStatus with
* "101 Switching Protocols" before you call writeHeader,
* otherwise your first call to writeHeader will call
* writeStatus with "200 OK" and the upgrade will fail.
*
* As you can imagine, we format outgoing responses in a linear
* buffer, not in a hash table. You can read about this in
* the user manual under "corking".
*/

/** Pause http body streaming (throttle) */
pause() : void;

/** Resume http body streaming (unthrottle) */
resume() : void;

/** Writes the HTTP status message, such as "200 OK".
* This must be called first in any response, otherwise the default status "200 OK" will be used.
*
* If you want to send custom headers in a WebSocket upgrade response,
* you must call writeStatus with "101 Switching Protocols" before you call writeHeader,
* otherwise the status will be set to "200 OK" and the upgrade will fail. */
writeStatus(status: RecognizedString) : HttpResponse;
/** Writes key and value to HTTP response.
* See writeStatus and corking.
*/
/** Writes key and value to HTTP response. See writeStatus and corking. */
writeHeader(key: RecognizedString, value: RecognizedString) : HttpResponse;
/** Enters or continues chunked encoding mode. Writes part of the response. End with zero length write. Returns true if no backpressure was added. */
write(chunk: RecognizedString) : boolean;
Expand All @@ -151,19 +140,20 @@ export interface HttpResponse {
/** Returns the global byte write offset for this response. Use with onWritable. */
getWriteOffset() : number;

/** Registers a handler for writable events. Continue failed write attempts in here.
* You MUST return true for success, false for failure.
* Writing nothing is always success, so by default you must return true.
*/
/** Handler for retrying previously failed write attempts.
* You MUST return false on rewrite failure and true otherwise.
* This must be used in conjunction with tryEnd. */
onWritable(handler: (offset: number) => boolean) : HttpResponse;

/** Every HttpResponse MUST have an attached abort handler IF you do not respond
* to it immediately inside of the callback. Returning from an Http request handler
* without attaching (by calling onAborted) an abort handler is ill-use and will terminate.
* When this event emits, the response has been aborted and may not be used. */
/** Every HttpResponse MUST have an attached abort handler IF you perform any asynchronous operation.
* Returning from an Http request handler without attaching an abort handler is ill-use and will throw.
* When this event is emitted, the response has been aborted and may not be used. */
onAborted(handler: () => void) : HttpResponse;

/** Handler for reading data from POST and such requests. You MUST copy the data of chunk if isLast is not true. We Neuter ArrayBuffers on return, making it zero length.*/
/** Handler for reading Http request's body data.
* Must be attached before performing any asynchronous operation, otherwise data will be lost.
* You MUST copy the ArrayBuffer's data if isLast is not true.
* We Neuter ArrayBuffers on return, making it zero length. */
onData(handler: (chunk: ArrayBuffer, isLast: boolean) => void) : HttpResponse;

/** Returns the remote IP address in binary format (4 or 16 bytes). */
Expand All @@ -181,15 +171,14 @@ export interface HttpResponse {
/** Corking a response is a performance improvement in both CPU and network, as you ready the IO system for writing multiple chunks at once.
* By default, you're corked in the immediately executing top portion of the route handler. In all other cases, such as when returning from
* await, or when being called back from an async database request or anything that isn't directly executing in the route handler, you'll want
* to cork before calling writeStatus, writeHeader or just write. Corking takes a callback in which you execute the writeHeader, writeStatus and
* such calls, in one atomic IO operation. This is important, not only for TCP but definitely for TLS where each write would otherwise result
* in one TLS block being sent off, each with one send syscall.
* to cork before calling writeStatus, writeHeader, write or end functions. Corking takes a callback in which you execute such calls, in one atomic IO operation.
* This is important, not only for TCP but definitely for TLS where each write would otherwise result in one TLS block being sent off, each with one send syscall.
*
* Example usage:
*
* ```
* res.cork(() => {
* res.writeStatus("200 OK").writeHeader("Some", "Value").write("Hello world!");
* res.writeStatus("200 OK").writeHeader("Some", "Value").end("Hello world!");
* });
* ```
*/
Expand Down Expand Up @@ -218,7 +207,7 @@ export interface HttpRequest {
getQuery() : string;
/** Returns a decoded query parameter value or undefined. */
getQuery(key: string) : string | undefined;
/** Loops over all headers. */
/** Loops over all headers. Keys and values are in lowercase. */
forEach(cb: (key: string, value: string) => void) : void;
/** Setting yield to true is to say that this route handler did not handle the route, causing the router to continue looking for a matching route handler, or fail. */
setYield(_yield: boolean) : HttpRequest;
Expand Down Expand Up @@ -328,7 +317,7 @@ export interface TemplatedApp {
/** Registers a synchronous callback on missing server names. See /examples/ServerName.js. */
missingServerName(cb: (hostname: string) => void) : TemplatedApp;
/** Attaches a "filter" function to track socket connections / disconnections */
filter(cb: (res: HttpResponse, count: Number) => void | Promise<void>) : TemplatedApp;
filter(cb: (res: HttpResponse, count: number) => void | Promise<void>) : TemplatedApp;
/** Closes all sockets including listen sockets. This will forcefully terminate all connections. */
close() : TemplatedApp;
}
Expand Down