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/** An event emitted by the child process. */
export type Event = StdoutEvent | StderrEvent | ExitEvent;
/** An event sent from the worker to the host. */
export type InternalEvent = InternalStdoutEvent | InternalStderrEvent | ExitEvent | ErrorEvent;
/** An event indicating that data has been emitted over stdout. */
export interface StdoutEvent {
type: 'stdout';
data: Buffer;
}
/** An event indicating that data has been emitted over stderr. */
export interface StderrEvent {
type: 'stderr';
data: Buffer;
}
/** An event indicating that process has exited. */
export interface ExitEvent {
type: 'exit';
/**
* The exit code. This will be `undefined` if the subprocess was killed via
* signal.
*/
code?: number;
/**
* The signal that caused this process to exit. This will be `undefined` if
* the subprocess exited normally.
*/
signal?: NodeJS.Signals;
}
/**
* The stdout event sent from the worker to the host. The structured clone
* algorithm automatically converts `Buffer`s sent through `MessagePort`s to
* `Uint8Array`s.
*/
export interface InternalStdoutEvent {
type: 'stdout';
data: Buffer | Uint8Array;
}
/**
* The stderr event sent from the worker to the host. The structured clone
* algorithm automatically converts `Buffer`s sent through `MessagePort`s to
* `Uint8Array`s.
*/
export interface InternalStderrEvent {
type: 'stderr';
data: Buffer | Uint8Array;
}
/**
* An error occurred when starting or closing the child process. This is only
* used internally; the host will throw the error rather than returning it to
* the caller.
*/
export interface ErrorEvent {
type: 'error';
error: Error;
}
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