Debugging VSCode Chrome调试器未在Typescript文件中停止

我正在尝试使用VS Code Chrome调试器调试Angular2（2.0.0-beta.9）和Typescript（v1.8.7）。我正在ts文件中设置断点，但调试器正在显示js。当整个应用程序位于一个文件夹中时，调试器会显示ts，但当应用程序由子文件夹组成时，调试器的行为不正确。起初，我认为它无法解析映射，但我已打开诊断功能，可以看到路径已正确解析

以下是诊断窗口中的一个示例：

›Paths.scriptParsed: resolved http://localhost:3000/bin/hero/hero.service.js to c:\MyDev\ng2\bin\hero\hero.service.js. webRoot: c:\MyDev\ng2
›SourceMaps.createSourceMap: Reading local sourcemap file from c:\MyDev\ng2\bin\hero\hero.service.js.map
›SourceMap: creating SM for c:\MyDev\ng2\bin\app.component.js
›SourceMap: no sourceRoot specified, using script dirname: c:\MyDev\ng2\bin
›SourceMaps.scriptParsed: c:\MyDev\ng2\bin\app.component.js was just loaded and has mapped sources: ["c:\\MyDev\\ng2\\app\\app.component.ts"]
›SourceMaps.scriptParsed: Resolving pending breakpoints for c:\MyDev\ng2\app\app.component.ts

tsconfig.json：

{
  "compilerOptions": {
    "target": "es5",
    "module": "system",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": false,
    "outDir": "bin"
  },
  "exclude": [
    "node_modules",
    "typings"
  ]
}

launch.json中的部分：

{
    "name": "Launch localhost with sourcemaps",
    "type": "chrome",
    "request": "launch",
    "url": "http://localhost:3000/index.html",
    "sourceMaps": true,
    "webRoot": "${workspaceRoot}",
    "diagnosticLogging": true
}

---

不幸的是，源代码到Web包文件的正确映射已经更改了几次

您已经在

launch.json

中打开了

diagnosticLogging

，这意味着您的JavaScript控制台中应该有如下行：

SourceMap: mapping webpack:///./src/main.ts => C:\Whatever\The\Path\main.ts

这应该让您清楚地知道它试图在哪里搜索您的源代码

然后将

sourceMapPathOverrides

条目添加到

launch.json

以帮助它查找您的文件。它应该是这样的：

"sourceMapPathOverrides": {
  "webpack:///./*": "${workspaceRoot}/SourceFolder/*"
},

{
    "name": "Launch localhost with sourcemaps",
    "type": "chrome",
    "request": "launch",
    "url": "http://localhost:3000/index.html",
    "sourceMaps": true,
    "webRoot": "${workspaceRoot}",
    "trace": "verbose"
}

显然，将SourceFolder替换为实际路径

编辑： 2019年，这仍然有效，但您启用它的方式已经改变

diagnosticLogging

已被

trace

所取代，它只有一个有效值，即

trace

因此，您的设置将如下所示：

"sourceMapPathOverrides": {
  "webpack:///./*": "${workspaceRoot}/SourceFolder/*"
},

{
    "name": "Launch localhost with sourcemaps",
    "type": "chrome",
    "request": "launch",
    "url": "http://localhost:3000/index.html",
    "sourceMaps": true,
    "webRoot": "${workspaceRoot}",
    "trace": "verbose"
}

这将为您提供大量输出，仍然包括以

SourceMap:mapping

开头的行，您可以使用这些行构建正确的

sourceMapPathOverrides

，如前所述