DOCSEARCHbyAlgolia
Submit Docs

Peirenlei's Technical Blog and Documentation

website·Indexed 29 days ago

https://peirenlei.cn

A collection of technical articles and guides covering full-stack development, including React Hooks, TypeScript, tRPC, Prisma, Supabase, and Docusaurus configuration. The site also features deep dives into JS code obfuscation using AST, Chrome extension development with Vue, and professional project case studies.

Tokens
64.9K
Snippets
256
Records
378
Agent score
50%

What's inside Peirenlei

  1. Overview of Supabase BaaS

    Supabase is an open-source Backend-as-a-Service (BaaS) platform designed as an alternative to Firebase. It allows developers to focus on frontend development by providing managed backend infrastructure, including a PostgreSQL database, authentication, instant APIs, edge functions, real-time subscriptions, and storage.

  2. Overview of the Position E-Road Location Service System

    The 'Position E-Road' (定位E路通) platform is a digital management ecosystem designed for China Mobile Hubei to improve the efficiency of communication infrastructure maintenance. It integrates high-precision GIS positioning and IoT technology to provide real-time visualization and control of inspection personnel and vehicles. Additionally, it serves as a foundation for SP/CP partners to develop LBS (Location Based Services) value-added business applications.

  3. Overview of pyq-mall technical architecture

    pyq-mall is a solution for automated collection, structured processing, and multi-platform distribution of WeChat Moments content. Its architecture consists of:

    • Frontend: Built with UniApp to generate H5, WeChat Mini Programs, and Douyin Mini Programs from a single codebase, utilizing lazy loading and CDN acceleration for rich media.
    • Backend (Core): Powered by the Webman framework (PHP) for high-performance microservices. It uses coroutines for high-concurrency data collection and an event-driven architecture with task queues for distributed file processing (images/videos) with support for breakpoint transmission and automatic retries.
    • Backend (Extension): A modular service for Official Accounts built using NestJS (Node.js).
    • Data Pipeline: Uses the WeChat iPad protocol to bypass public API limits and employs Large Language Models (LLMs) to convert unstructured text into structured CSV data (titles, prices, inventory).

  4. Overview of Abstract Syntax Trees (AST) in JavaScript

    An Abstract Syntax Tree (AST) is a tree representation of the abstract syntactic structure of source code. In JavaScript, ASTs are used for static analysis—analyzing code without executing it. Common applications include code obfuscation/deobfuscation, syntax highlighting, code formatting (e.g., Prettier), linting (e.g., ESLint), and transpilation (e.g., Babel).

  5. Overview of tRPC for End-to-End Type Safety

    tRPC is a TypeScript-first remote procedure call (RPC) framework that allows developers to call server-side functions from the client as if they were local functions. It eliminates the need for manual type definitions (like Response and Body interfaces) across the network boundary by sharing the server's router type with the client. It is most effective in TypeScript monorepos or full-stack frameworks like Next.js, Nuxt, SvelteKit, and SolidStart.

  6. Overview of Hubei E-Road 'Chewu Tong' Technical Architecture

    The 'Chewu Tong' subsystem is designed for vehicle positioning and management, featuring real-time monitoring of vehicle operation information, real-time location display, historical trajectory playback, privacy management, and secondary authentication.

  7. Technical Architecture of the Position E-Road Platform

    The system is built using a hybrid architecture consisting of a corporate-grade backend and a specialized GIS client:

    Backend Engine:

    • Framework: Three-tier architecture based on Spring, Struts, and Hibernate.
    • Interface: SOA-based WebService interface cluster supporting concurrent access for tens of millions of terminals.
    • Data: Distributed spatial data engine optimized for massive trajectory storage and retrieval.

    Intelligent GIS Client:

    • Core: High-performance C++ geographic information processing kernel.
    • Algorithms/Framework: Integration of MapX spatial analysis algorithms and the Delphi rapid development framework.

  8. Understand React Hooks fundamentals

    Hooks were introduced in React 16.8 to allow functional components to use features previously exclusive to class components, such as state management and lifecycle methods. A Hook acts as a 'hook' into the React engine, allowing developers to trigger logic based on component updates, prop changes, or lifecycle events.

  9. Technical architecture of the Panxi Talent Network

    The Panxi Talent Network (攀西人才网) is a localized recruitment platform for Panzhihua City and Liangshan Yi Autonomous Prefecture in Sichuan. Its technical stack consists of a PHP (Laravel) backend, a frontend built with React, and a multi-database storage layer utilizing MySQL, MongoDB, and Elasticsearch (ES).
    Backend: PHP (Laravel)
Frontend: React
Databases: MySQL, MongoDB, Elasticsearch (ES)

  10. Use useState to manage state in functional components

    The useState hook allows functional components to have their own local state, eliminating the need for class components and the this.state object. Unlike class components where all state must be stored in a single this.state object, useState allows you to define multiple independent state variables that are easier to manage and do not require the use of this.

  11. Chalyn Technical Architecture Overview

    Chalyn is a multi-platform ecosystem consisting of a backend API, an administration panel, a landing page, and a mobile application. The infrastructure is managed via Terraform and deployed using AWS ECS and ALB with Docker containerization.
    Sub-projectTech Stack
    chalyn_backendPHP 8.1 + Webman (Workerman), MySQL 8.0 + Redis, JWT + Firebase Auth
    chalyn-adminReact 18 + TypeScript + Vite + Ant Design 5, Zustand + TanStack Query, react-i18next
    chalyn-homeNext.js 15 + React 19, AWS Amplify
    chalyn-appFlutter

  12. Implement file-system routing and dynamic routes

    Next.js uses a file-system based router where files in the pages directory map to routes. For example, pages/about.js maps to /about. Dynamic routes are created using brackets, such as pages/user/[id].tsx, which maps to /user/1, /user/2, etc. Use the useRouter hook from next/router to access dynamic parameters via router.query.
    import { useRouter } from 'next/router'

const User = () => {
  const router = useRouter()
  const { id } = router.query

  return <div>User id:{id} </div>
}

export default User