From 724cc6209382e6c8f3e82f9ed786fa044a167c67 Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Fri, 16 Jan 2026 09:52:42 +0000 Subject: [PATCH 1/5] Initial plan From 5fd677d59d59ceeffaa0d34c5dcf147675ec66ce Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Fri, 16 Jan 2026 09:56:06 +0000 Subject: [PATCH 2/5] docs: Add comprehensive documentation on how devtools-frontend is served Co-authored-by: dlddu <39251873+dlddu@users.noreply.github.com> --- README.md | 36 ++++++++++++++++++++++++++++++++++++ README_CN.md | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 72 insertions(+) diff --git a/README.md b/README.md index 2f727f82..0198a68a 100644 --- a/README.md +++ b/README.md @@ -156,6 +156,42 @@ npm run start > 💡Please note that www.debug.com is just an example, please replace it with your own specific domain. +## How is devtools-frontend served? + +The project includes a complete copy of Chrome's [devtools-frontend](https://github.com/ChromeDevTools/devtools-frontend) in the `devtools-frontend` directory. This directory contains all the HTML, CSS, and JavaScript files that make up the Chrome DevTools UI. + +### Architecture + +When you click the "Debug" button in the management interface: + +1. **URL Generation**: The system generates a URL in the format: + ``` + http://localhost:8080/remote/debug/front_end/devtools_app.html?ws=... + ``` + (See `src/client/page/components/index.vue`, line 67) + +2. **Static File Serving**: The Node.js server (Koa) serves the devtools-frontend files as static content through a route handler: + ```javascript + router.get('/front_end/(.*)', async (ctx) => { + await send(ctx, getFilePath(ctx.path).substring(10), { + root: path.resolve(__dirname, '../../devtools-frontend'), + maxage: 30 * 24 * 60 * 60 * 1000, + }); + }); + ``` + (See `src/server/index.js`, lines 60-65) + +3. **DevTools Loading**: The browser opens `devtools_app.html`, which is the entry point for the Chrome DevTools UI. This HTML file loads the necessary JavaScript modules and CSS files from the `devtools-frontend` directory. + +4. **WebSocket Connection**: The URL contains a WebSocket connection string that allows DevTools to communicate with the debugged page through the Node.js server. + +### Key Files + +- **devtools-frontend/devtools_app.html**: Main entry point for the DevTools UI +- **devtools-frontend/entrypoints/**: JavaScript entry points for different DevTools panels +- **src/server/index.js**: Server-side routing that serves the devtools-frontend files +- **src/client/page/components/index.vue**: Client-side code that generates the DevTools URL + ## Additional Information Due to the restrictions of the same-origin policy, you may need to make the following changes: diff --git a/README_CN.md b/README_CN.md index 17437614..f890b6bc 100644 --- a/README_CN.md +++ b/README_CN.md @@ -143,6 +143,42 @@ npm run start > 💡 请注意，www.debug.com只是作为示例，具体的域名请换成自己的 +## devtools-frontend 是如何服务的？ + +该项目在 `devtools-frontend` 目录中包含了 Chrome 的 [devtools-frontend](https://github.com/ChromeDevTools/devtools-frontend) 的完整副本。该目录包含了构成 Chrome DevTools UI 的所有 HTML、CSS 和 JavaScript 文件。 + +### 架构说明 + +当你在管理界面中点击"调试"按钮时： + +1. **URL 生成**：系统生成如下格式的 URL： + ``` + http://localhost:8080/remote/debug/front_end/devtools_app.html?ws=... + ``` + （参见 `src/client/page/components/index.vue` 第 67 行） + +2. **静态文件服务**：Node.js 服务器（Koa）通过路由处理器将 devtools-frontend 文件作为静态内容提供： + ```javascript + router.get('/front_end/(.*)', async (ctx) => { + await send(ctx, getFilePath(ctx.path).substring(10), { + root: path.resolve(__dirname, '../../devtools-frontend'), + maxage: 30 * 24 * 60 * 60 * 1000, + }); + }); + ``` + （参见 `src/server/index.js` 第 60-65 行） + +3. **DevTools 加载**：浏览器打开 `devtools_app.html`，这是 Chrome DevTools UI 的入口点。该 HTML 文件从 `devtools-frontend` 目录加载必要的 JavaScript 模块和 CSS 文件。 + +4. **WebSocket 连接**：URL 中包含一个 WebSocket 连接字符串，允许 DevTools 通过 Node.js 服务器与被调试的页面进行通信。 + +### 关键文件 + +- **devtools-frontend/devtools_app.html**：DevTools UI 的主要入口点 +- **devtools-frontend/entrypoints/**：不同 DevTools 面板的 JavaScript 入口点 +- **src/server/index.js**：提供 devtools-frontend 文件的服务器端路由 +- **src/client/page/components/index.vue**：生成 DevTools URL 的客户端代码 + ## 其他说明 由于同源策略的限制，你可能需要进行以下的变更： From 17dd2bbbeb2c5f591941bf235bb3eabb3089e04e Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Fri, 16 Jan 2026 09:57:17 +0000 Subject: [PATCH 3/5] docs: Add explanatory comment for substring operation Co-authored-by: dlddu <39251873+dlddu@users.noreply.github.com> --- README.md | 1 + README_CN.md | 1 + 2 files changed, 2 insertions(+) diff --git a/README.md b/README.md index 0198a68a..c7a15b17 100644 --- a/README.md +++ b/README.md @@ -174,6 +174,7 @@ When you click the "Debug" button in the management interface: ```javascript router.get('/front_end/(.*)', async (ctx) => { await send(ctx, getFilePath(ctx.path).substring(10), { + // substring(10) removes '/front_end/' prefix from the path root: path.resolve(__dirname, '../../devtools-frontend'), maxage: 30 * 24 * 60 * 60 * 1000, }); diff --git a/README_CN.md b/README_CN.md index f890b6bc..2aa08283 100644 --- a/README_CN.md +++ b/README_CN.md @@ -161,6 +161,7 @@ npm run start ```javascript router.get('/front_end/(.*)', async (ctx) => { await send(ctx, getFilePath(ctx.path).substring(10), { + // substring(10) 移除路径中的 '/front_end/' 前缀 root: path.resolve(__dirname, '../../devtools-frontend'), maxage: 30 * 24 * 60 * 60 * 1000, }); From 72234a70088821010a7c48ac1108c45e3c9cc214 Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Fri, 16 Jan 2026 09:58:02 +0000 Subject: [PATCH 4/5] docs: Update line number references for better accuracy Co-authored-by: dlddu <39251873+dlddu@users.noreply.github.com> --- README.md | 2 +- README_CN.md | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index c7a15b17..e40eeb52 100644 --- a/README.md +++ b/README.md @@ -168,7 +168,7 @@ When you click the "Debug" button in the management interface: ``` http://localhost:8080/remote/debug/front_end/devtools_app.html?ws=... ``` - (See `src/client/page/components/index.vue`, line 67) + (See `src/client/page/components/index.vue`, lines 63-68) 2. **Static File Serving**: The Node.js server (Koa) serves the devtools-frontend files as static content through a route handler: ```javascript diff --git a/README_CN.md b/README_CN.md index 2aa08283..e9ad7bf9 100644 --- a/README_CN.md +++ b/README_CN.md @@ -155,7 +155,7 @@ npm run start ``` http://localhost:8080/remote/debug/front_end/devtools_app.html?ws=... ``` - （参见 `src/client/page/components/index.vue` 第 67 行） + （参见 `src/client/page/components/index.vue` 第 63-68 行） 2. **静态文件服务**：Node.js 服务器（Koa）通过路由处理器将 devtools-frontend 文件作为静态内容提供： ```javascript From e51d717c2be1030826d874b44539e0c9a83c4b5b Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Fri, 16 Jan 2026 09:59:06 +0000 Subject: [PATCH 5/5] docs: Correct comment explaining substring operation Co-authored-by: dlddu <39251873+dlddu@users.noreply.github.com> --- README.md | 2 +- README_CN.md | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index e40eeb52..2b530eca 100644 --- a/README.md +++ b/README.md @@ -174,7 +174,7 @@ When you click the "Debug" button in the management interface: ```javascript router.get('/front_end/(.*)', async (ctx) => { await send(ctx, getFilePath(ctx.path).substring(10), { - // substring(10) removes '/front_end/' prefix from the path + // substring(10) removes 'front_end/' (10 chars) after getFilePath removes '/remote/debug/' root: path.resolve(__dirname, '../../devtools-frontend'), maxage: 30 * 24 * 60 * 60 * 1000, }); diff --git a/README_CN.md b/README_CN.md index e9ad7bf9..46cb2205 100644 --- a/README_CN.md +++ b/README_CN.md @@ -161,7 +161,7 @@ npm run start ```javascript router.get('/front_end/(.*)', async (ctx) => { await send(ctx, getFilePath(ctx.path).substring(10), { - // substring(10) 移除路径中的 '/front_end/' 前缀 + // substring(10) 在 getFilePath 移除 '/remote/debug/' 后，再移除 'front_end/'（10个字符） root: path.resolve(__dirname, '../../devtools-frontend'), maxage: 30 * 24 * 60 * 60 * 1000, });