npm i bcrypt
新系统拉取项目，下载依赖包，其中包含 bcrypt 依赖，一直安装不成功。
gyp: Undefined variable module_name in binding.gyp while trying to load binding.gyp
github issues 同样的问题，可能生效的不同的方法
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换了台电脑又遇到了，这次是回退 npm版本解决的问题。
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已安装号 Python 3 和 Visual Studio 2019。
此类型npm库都会使用到 node-gyp ，依赖 Python 和 Visual Studio
npm ERR! gyp info using node-gyp@8.2.0 npm ERR! gyp info using node@14.18.1 | win32 | x64 npm ERR! gyp info find Python using Python version 3.10.0 found at "C:Program FilesPython310python.exe" npm ERR! gyp info find VS using VS2019 (16.11.31729.503) found at: npm ERR! gyp info find VS "C:Program Files (x86)Microsoft Visual Studio2019Community" npm ERR! gyp info find VS run with --verbose for detailed information npm ERR! gyp info spawn C:Program FilesPython310python.exe
最终卡在
npm ERR! gyp: Undefined variable module_name in binding.gyp while trying to load binding.gyp npm ERR! gyp ERR! configure error npm ERR! gyp ERR! stack Error: `gyp` failed with exit code: 1 npm ERR! gyp ERR! stack at ChildProcess.onCpExit (C:Users17212AppDataRoaming pm ode_modules pm ode_modules ode-gyplibconfigure.js:353:16) npm ERR! gyp ERR! stack at ChildProcess.emit (events.js:400:28) npm ERR! gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:282:12)
尝试过清缓存，重装，没用。
npm cache clean -f npm uninstall node-gyp -g npm install node-gyp -g
使用，还是没用
再次尝试，没效果。还是使用了Python 3，卸载了Python 3，程序报错Python2不适用，必须要Python 3。
npm config set python C:Python27python.exe
安装 Visual Studio 2017，设置 2017 ，也没用。
npm config set msvs_version 2017 --global
最后到用户目录删除了文件重新安装，成功了。
删除文件：C:Users***AppDataRoaming pm-cache、C:Users***AppDataRoaming pm ode_modules pm、C:Users***AppDataRoaming pm ode_modules ode-gyp
只剩下了先前安装的 windows-build-tools（使用了管理员shell安装）
> bcrypt@5.0.1 install E:workspacecargo-mongo ode_modulescrypt > node-pre-gyp install --fallback-to-build node-pre-gyp ERR! install request to https://github.com/kelektiv/node.bcrypt.js/releases/download/v5.0.1/bcrypt_lib-v5.0.1-napi-v3-win32-x64-unknown.tar.gz failed, reason: read ECONNRESET node-pre-gyp WARN Pre-built binaries not installable for bcrypt@5.0.1 and node@14.18.1 (node-v83 ABI, unknown) (falling back to source compile with node-gyp) node-pre-gyp WARN Hit error request to https://github.com/kelektiv/node.bcrypt.js/releases/download/v5.0.1/bcrypt_lib-v5.0.1-napi-v3-win32-x64-unknown.tar.gz failed, reason: read ECONNRESET 在此解决方案中一次生成一个项目。若要启用并行生成，请添加“/m”开关。 nothing.c win_delay_load_hook.cc nothing.vcxproj -> E:workspacecargo-mongo ode_modulescryptuildRelease\nothing.lib blowfish.cc bcrypt.cc bcrypt_node.cc win_delay_load_hook.cc 正在创建库 E:workspacecargo-mongo ode_modulescryptuildReleasecrypt_lib.lib 和对象 E:workspacecargo-mongo ode_modulescryptuildReleas ecrypt_lib.exp bcrypt_lib.vcxproj -> E:workspacecargo-mongo ode_modulescryptuildRelease\bcrypt_lib.node Copying E:workspacecargo-mongo ode_modulescryptuildRelease/bcrypt_lib.node to E:/workspace/cargo-mongo/node_modules/bcrypt/lib/binding /napi-v3crypt_lib.node 已复制 1 个文件。 > nodemon@1.19.4 postinstall E:workspacecargo-mongo ode_modules odemon > node bin/postinstall || exit 0 Love nodemon? You can now support the project via the open collective: > https://opencollective.com/nodemon/donate npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.13 (node_modulesfsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.13: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}) + bcrypt@5.0.1 added 46 packages from 110 contributors and updated 411 packages in 100.985s 18 packages are looking for funding run `npm fund` for details
感觉本次可能是 管理员权限打开powershell 运行
npm install --global --production windows-build-tools
在起作用。但是其他的尝试可能会在其他时候适用。