answershuto/learnvue

★ 12,680JavaScriptAudience · developerComplexity · 1/5Setup · easy

Mindmap

mindmap
  root((learnVue))
    Vue Internals
      Reactivity system
      Dependency tracking
      Virtual DOM diff
    Template Compilation
      HTML to render fn
      Async DOM updates
    State Management
      Vuex internals
      Vue-router source
    Audience
      Vue developers
      Chinese language

mindmap root((learnVue)) Vue Internals Reactivity system Dependency tracking Virtual DOM diff Template Compilation HTML to render fn Async DOM updates State Management Vuex internals Vue-router source Audience Vue developers Chinese language

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Things people build with this

USE CASE 1

Read annotated Vue.js 2 source code with Chinese comments to understand how Vue's reactivity system detects data changes.

USE CASE 2

Study how Vue's virtual DOM diff algorithm decides which parts of the page to update.

USE CASE 3

Learn how Vue compiles HTML templates into JavaScript render functions by reading the author's articles.

USE CASE 4

Understand Vuex state management internals through commented source code and written explanations.

Tech stack

JavaScriptVue.jsVuex

Getting it running

Difficulty · easy Time to first run · 5min

No installation needed, clone the repo and read the annotated source files and articles directly.

No license information was mentioned in the explanation.

In plain English

learnVue is a Chinese-language educational repository documenting one developer's study of the Vue.js framework's internal source code. Rather than a tool or library you would install and use, this is a collection of annotated source files and written articles meant to help other developers understand how Vue.js works under the hood. The repository includes commented copies of the source code for Vue.js (version 2.3.0), Vuex (Vue's state management library, version 2.4.0), and Vue-router (version 3.0.1), stored in separate subfolders. The author has added Chinese-language comments throughout to explain what each section does. The README lists a set of articles covering specific Vue.js internals, including how Vue's reactivity system detects changes to data, how it tracks dependencies between data and the components that use it, how it uses a virtual representation of the page (called a Virtual DOM) and a comparison algorithm (called diff) to update only the parts of the page that changed, how it compiles HTML templates into JavaScript, and how it schedules DOM updates asynchronously. There are also articles on Vuex internals, the keep-alive component, and component communication patterns. The content is written in Chinese and aimed at developers who already have some experience with Vue.js and want to go deeper into how it is built. The author also published a book on Vue.js internals and links to it from the README. The repository does not contain a runnable application or installable package.

Copy-paste prompts

Prompt 1

Explain how Vue.js 2 reactivity works: how does Vue detect when a data property changes and know which components to re-render?

Prompt 2

Walk me through Vue's virtual DOM diffing algorithm, how does it compare old and new virtual trees to decide which real DOM nodes to update?

Prompt 3

How does Vue compile a template like <div v-if='show'>Hello</div> into a JavaScript render function? Show me the steps.

Prompt 4

Explain how Vuex's store connects to Vue components so that updating the store state triggers a component re-render.

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