我克隆了Visual Studio Code源代码并按照链接中的贡献者说明进行操作 - https://github.com/Microsoft/vscode/wiki/How-to-Contribute但是当我运行yarn时，我收到以下错误：
error C:\_LAB_\vscode\node_modules\native-keymap: Command failed.
Exit code: 1
Command: node-gyp rebuild
Arguments:
Directory: C:\_LAB_\vscode\node_modules\native-keymap
Output:
C:\_LAB_\vscode\node_modules\native-keymap>if not defined npm_config_node_gyp (node "C:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild ) else (node "" rebuild )
gyp info it worked if it ends with ok
gyp info using node-gyp@3.6.2
gyp info using node@8.11.1 | win32 | x64
gyp info spawn C:\Python27\python.exe
gyp info spawn args [ 'C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\gyp\\gyp_main.py',
gyp info spawn args 'binding.gyp',
gyp info spawn args '-f',
gyp info spawn args 'msvs',
gyp info spawn args '-G',
gyp info spawn args 'msvs_version=2015',
gyp info spawn args '-I',
gyp info spawn args 'C:\\_LAB_\\vscode\\node_modules\\native-keymap\\build\\config.gypi',
gyp info spawn args '-I',
gyp info spawn args 'C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\addon.gypi',
gyp info spawn args '-I',
gyp info spawn args 'C:\\Users\\Maga\\.node-gyp\\iojs-1.7.12\\common.gypi',
gyp info spawn args '-Dlibrary=shared_library',
gyp info spawn args '-Dvisibility=default',
gyp info spawn args '-Dnode_root_dir=C:\\Users\\Maga\\.node-gyp\\iojs-1.7.12',
gyp info spawn args '-Dnode_gyp_dir=C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp',
gyp info spawn args '-Dnode_lib_file=C:\\Users\\Maga\\.node-gyp\\iojs-1.7.12\\<(target_arch)\\iojs.lib',
gyp info spawn args '-Dmodule_root_dir=C:\\_LAB_\\vscode\\node_modules\\native-keymap',
gyp info spawn args '-Dnode_engine=v8',
gyp info spawn args '--depth=.',
gyp info spawn args '--no-parallel',
gyp info spawn args '--generator-output',
gyp info spawn args 'C:\\_LAB_\\vscode\\node_modules\\native-keymap\\build',
gyp info spawn args '-Goutput_dir=.' ]
gyp info spawn msbuild
gyp info spawn args [ 'build/binding.sln',
gyp info spawn args '/clp:Verbosity=minimal',
gyp info spawn args '/nologo',
gyp info spawn args '/p:Configuration=Release;Platform=x64' ]
C:\_LAB_\vscode\node_modules\native-keymap\build\keymapping.vcxproj : error MSB4057: Target element "Build" does not exist in project.
gyp ERR! build error
gyp ERR! stack Error: `msbuild` failed with exit code: 1
gyp ERR! stack at ChildProcess.onExit (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\build.js:258:23)
gyp ERR! stack at emitTwo (events.js:126:13)
gyp ERR! stack at ChildProcess.emit (events.js:214:7)
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:198:12)
gyp ERR! System Windows_NT 10.0.16299
gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild"
gyp ERR! cwd C:\_LAB_\vscode\node_modules\native-keymap
我尝试在VS2017中重建native-keymap项目，但后来我得到了另外两个node_modules的类似消息，最终又从native-keymap获得了。
我的电脑环境： Windows 10和Visual Studio 2017社区。 Python：2.7.14 节点：8.11.1 npm：5.6.0 纱线：1.6.0