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源码目录结构

Electron 的源代码主要依据 Chromium 的拆分约定被拆成了许多部分。

You may need to become familiar with Chromium's multi-process architecture to understand the source code better.

源代码的目录结构​

Electron
├── build/ - 使用 GN 构建所需要的配置文件。
├── buildflags/ - 条件编译时可选的Features.
├── chromium_src/ - 从Chromium复制的源代码，不属于内容层。
├── default_app/ - 在没有提供应用程序的情况下启动的 Electron 默认程序.
├── docs/ - Electron 的文档。
|   ├── api/ - Electron 外向模块和 API 的文档
|   ├── development/ - 帮助为了开发 Electron 与和 Electron 一起开发的文档
|   ├── fiddles/ - A set of code snippets one can run in Electron Fiddle.
|   ├── images/ - Images used in documentation.
|   └── tutorial/ - Tutorial documents for various aspects of Electron.
├── lib/ - JavaScript/TypeScript 源码。
|   ├── browser/ - Main process initialization code.
|   |   ├── api/ - API implementation for main process modules.
|   |   └── remote/ - Code related to the remote module as it is
|   |                 used in the main process.
|   ├── common/ - Relating to logic needed by both main and renderer processes.
|   |   └── api/ - API implementation for modules that can be used in
|   |              both the main and renderer processes
|   ├── isolated_renderer/ - Handles creation of isolated renderer processes when
|   |                        contextIsolation is enabled.
|   ├── renderer/ - Renderer process initialization code.
|   |   ├── api/ - API implementation for renderer process modules.
|   |   ├── extension/ - Code related to use of Chrome Extensions
|   |   |                in Electron's renderer process.
|   |   ├── remote/ - Logic that handles use of the remote module in
|   |   |             the main process.
|   |   └── web-view/ - Logic that handles the use of webviews in the
|   |                   renderer process.
|   ├── sandboxed_renderer/ - Logic that handles creation of sandboxed renderer
|   |   |                     processes.
|   |   └── api/ - API implementation for sandboxed renderer processes.
|   └── worker/ - Logic that handles proper functionality of Node.js
|                 environments in Web Workers.
├── patches/ - Patches applied on top of Electron's core dependencies
|   |          in order to handle differences between our use cases and
|   |          default functionality.
| | --boringssl/ - 对谷歌的 BoringSSL （谷歌对OpenSSL的Fork）的Patches。
|   ├── chromium/ - 对Chromium的Patches.
|   ├── node/ - 对Node.js的Patches.
|   └── v8/ - 对Google V8引擎的Patches.
├── shell/ - C++源代码。
|   ├── app/ - 系统入口代码.
|   ├── browser/ - 包含了主窗口、UI 和所有主进程相关的东西.
|   |   |          它会告诉渲染进程如何管理页面.
|   |   ├── ui/ - 不同平台上 UI 部分的实现.
|   |   |   ├── cocoa/ - Cocoa 部分的源代码.
|   |   |   ├── win/ - Windows GUI 部分的源代码.
|   |   |   └── x/ - X11 部分的源代码.
|   |   ├── api/ - 主进程 API 的实现.
|   |   ├── net/ - 网络相关的代码.
|   |   ├── mac/ - 与 Mac 有关的 Objective-C 代码.
|   |   └── resources/ -  图标、平台依赖文件等。
|   ├── renderer/ - 运行在渲染进程中的代码.
|   |   └── api/ - 渲染进程 API 的实现.
|   └── common/ - 同时被主进程和渲染进程用到的代码,
|       |         包括了一些用来将 node 的消息循环整合到 Chromium 的
|       |         消息循环中时用到的工具函数和代码.
|       └── api/ - 同时被主进程和渲染进程使用到的 API 的实现,
|                  并且是 Electron 内置模块的基础.
├── spec/ - 运行在Electron主进程中的Electron测试套件组件.
└── BUILD.gn - Electron 的构建规则.

其它目录的结构​

  • .github - GitHub-specific config files including issues templates, CI with GitHub Actions and CODEOWNERS.
  • dist - 由脚本 script/create-dist.py 创建的临时发布目录.
  • node_modules - 在构建中用到的第三方 node 模块.
  • npm - 通过 npm 安装 Electron 的逻辑。
  • out - ninja 的临时输出目录.
  • script - 用于诸如构建、打包、测试等开发用途的脚本等.
script/ - The set of all scripts Electron runs for a variety of purposes.
├── codesign/ - Fakes codesigning for Electron apps; used for testing.
├── lib/ - Miscellaneous python utility scripts.
└── release/ - Scripts run during Electron's release process.
    ├── notes/ - Generates release notes for new Electron versions.
    └── uploaders/ - Uploads various release-related files during release.
  • typings - Electron的内部代码的 TypeScript typings。