Official WeDoctor Group frontend public account, sharing original tech articles, events, job postings, and occasional daily updates from our tech team.
This article walks through the source‑code analysis of Vite, explains why Vite rewrites import paths and creates a .vite folder, and provides a complete, minimal implementation of a Vite‑like development server using esbuild, connect middleware, and Vue SFC compilation.
This article explains webpack’s core concept as a static module bundler, describes why bundling is needed for browser execution, details how webpack builds a dependency graph and loads modules, and walks through building a minimal custom bundler using Node and Babel to illustrate the underlying principles.
Explore the evolution of frontend build systems—from early manual bundling and IIFE modules through AMD/CMD, webpack, Vite, and rollup—while learning key interview questions, practical optimization techniques, and how to build a comprehensive, future‑ready construction framework for modern web development.
This article deeply analyzes Vue.js's mergeOptions function, explaining how merge strategies are defined and applied to options like data, props, hooks, assets, and watchers, with detailed code examples and step‑by‑step breakdowns to help developers understand Vue's option merging mechanics.
This comprehensive guide explains what design patterns are, why they matter, the fundamentals of object‑oriented programming, ten core SOLID principles, a mnemonic for 23 patterns, and detailed examples of creational, structural, and behavioral patterns with real‑world code snippets to help developers write cleaner, more maintainable software.
This comprehensive tutorial walks you through choosing Koa, setting up a project, refactoring routing, handling parameters, configuring middleware for error handling, CORS, logging, validation, and organizing config, controller, service, and model layers for a robust Node.js backend.
This article explains why many developers stagnate, introduces the concept of deliberate practice, and provides a step‑by‑step methodology—including clear goals, strong motivation, mentorship, structured learning plans, zone management, feedback loops, and reward systems—to accelerate a front‑end engineer's growth from beginner to expert within three years.
This article explains how to implement a rectangular treemap for outpatient disease data using JavaScript, covering layout algorithms such as Slice‑and‑Dice and Squarified, color filling, and canvas event handling with detailed code examples and performance evaluation metrics.
This article explains JavaScript's single‑threaded nature, the task queue, macro‑ and micro‑tasks, the event loop, and compares callbacks, Promises, Generators, and async/await with code examples and practical pros and cons for front‑end developers.
This article explores V8’s architecture—from its host integration and bytecode compilation to hidden classes, inline caches, and garbage collection—providing interview‑ready insights, performance optimization techniques, and practical code examples that illuminate how JavaScript executes efficiently in browsers and Node.js.
