DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
95 lines
2.6 KiB
Text
95 lines
2.6 KiB
Text
/**
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* @license
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* Copyright 2018 Google Inc.
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* SPDX-License-Identifier: Apache-2.0
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*/
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import type {ConnectionTransport} from '../common/ConnectionTransport.js';
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import {EventEmitter} from '../common/EventEmitter.js';
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import {debugError} from '../common/util.js';
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import {assert} from '../util/assert.js';
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import {DisposableStack} from '../util/disposable.js';
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/**
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* @internal
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*/
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export class PipeTransport implements ConnectionTransport {
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#pipeWrite: NodeJS.WritableStream;
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#subscriptions = new DisposableStack();
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#isClosed = false;
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#pendingMessage: Buffer[] = [];
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onclose?: () => void;
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onmessage?: (value: string) => void;
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constructor(
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pipeWrite: NodeJS.WritableStream,
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pipeRead: NodeJS.ReadableStream,
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) {
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this.#pipeWrite = pipeWrite;
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const pipeReadEmitter = this.#subscriptions.use(
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// NodeJS event emitters don't support `*` so we need to typecast
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// As long as we don't use it we should be OK.
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new EventEmitter(
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pipeRead as unknown as EventEmitter<Record<string, any>>,
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),
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);
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pipeReadEmitter.on('data', buffer => {
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return this.#dispatch(buffer);
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});
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pipeReadEmitter.on('close', () => {
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if (this.onclose) {
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this.onclose.call(null);
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}
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});
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pipeReadEmitter.on('error', debugError);
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const pipeWriteEmitter = this.#subscriptions.use(
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// NodeJS event emitters don't support `*` so we need to typecast
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// As long as we don't use it we should be OK.
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new EventEmitter(
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pipeWrite as unknown as EventEmitter<Record<string, any>>,
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),
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);
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pipeWriteEmitter.on('error', debugError);
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}
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send(message: string): void {
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assert(!this.#isClosed, '`PipeTransport` is closed.');
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this.#pipeWrite.write(message);
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this.#pipeWrite.write('\0');
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}
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#dispatch(buffer: Buffer<ArrayBuffer>): void {
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assert(!this.#isClosed, '`PipeTransport` is closed.');
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this.#pendingMessage.push(buffer);
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if (buffer.indexOf('\0') === -1) {
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return;
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}
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const concatBuffer = Buffer.concat(this.#pendingMessage);
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let start = 0;
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let end = concatBuffer.indexOf('\0');
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while (end !== -1) {
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const message = concatBuffer.toString(undefined, start, end);
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setImmediate(() => {
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if (this.onmessage) {
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this.onmessage.call(null, message);
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}
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});
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start = end + 1;
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end = concatBuffer.indexOf('\0', start);
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}
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if (start >= concatBuffer.length) {
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this.#pendingMessage = [];
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} else {
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this.#pendingMessage = [concatBuffer.subarray(start)];
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}
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}
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close(): void {
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this.#isClosed = true;
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this.#subscriptions.dispose();
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}
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}
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