Method _writeRequest

source/core/index.ts:2441–2466

(chunk: any, encoding: BufferEncoding | undefined, callback: (error?: Error | null) => void, request: ClientRequest | undefined = this._request)

	}

	private _writeRequest(chunk: any, encoding: BufferEncoding | undefined, callback: (error?: Error | null) => void, request: ClientRequest | undefined = this._request): void { // eslint-disable-line @typescript-eslint/no-restricted-types
		if (!request || request.destroyed) {
			// When there's no request (e.g., using cached response from beforeRequest hook),
			// we still need to call the callback to allow the stream to finish properly.
			callback();
			return;
		}

		request.write(chunk, encoding as any, (error?: Error | null) => { // eslint-disable-line @typescript-eslint/no-restricted-types
			// The `!destroyed` check is required to prevent `uploadProgress` being emitted after the stream was destroyed.
			// The `this._request === request` check prevents stale write callbacks from a pre-redirect request from incrementing `_uploadedSize` after it's been reset.
			if (!error && !request.destroyed && this._request === request) {
				// For strings, encode them first to measure the actual bytes that will be sent
				const bytes = typeof chunk === 'string' ? Buffer.from(chunk, encoding) : chunk;
				this._uploadedSize += byteLength(bytes);

				const progress = this.uploadProgress;

				if (progress.percent < 1) {
					this.emit('uploadProgress', progress);
				}
			}

			callback(error);
		});
	}

	/**
	The remote IP address.