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brianreinhold
brianreinhold

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npm install fails, ng serve works

#webdev #node #angular

I have been tasked with fixing and updating a complex Angular Cli project that is basically ancient. Everything for me is new here; javascript, typescript, node JS (npm), and of course, Angular itself.
After a week or two I have obtained some familiarity thanks to many excellent tutorial videos on You Tube.

But I have come across a perplexing problem I do not understand and cannot fix. I have the following for versions:

Angular CLI: 14.2.0 Node: 14.18.1 Package Manager: npm 6.14.18 OS: win32 x64 Angular: 7.2.16 ... animations, common, compiler, compiler-cli, core, forms ... http, language-service, platform-browser ... platform-browser-dynamic, router Package Version --------------------------------------------------------- @angular-devkit/architect 0.10.7 @angular-devkit/build-angular 0.10.7 @angular-devkit/core 0.3.2 @angular-devkit/schematics 14.2.0 @angular/cdk 7.3.7 @angular/cli 14.2.0 @angular/flex-layout 7.0.0-beta.19 @angular/material 7.3.7 @schematics/angular 14.2.0 rxjs 6.5.5 typescript 3.1.6
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When I run npm install I get the following errors:

gyp ERR! UNCAUGHT EXCEPTION gyp ERR! stack Error: spawn C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\MSBuild\15.0\Bin\MSBuild.exe ENOENT gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:274:19) gyp ERR! stack at onErrorNT (internal/child_process.js:469:16) gyp ERR! stack at processTicksAndRejections (internal/process/task_queues.js:82:21) gyp ERR! System Windows_NT 10.0.19045 gyp ERR! command "C:\\Users\\brian\\AppData\\Local\\nvs\\node\\14.18.1\\x64\\node.exe" "E:\\projects\\exchangex\\node_modules\\@angular-devkit\\build-angular\\node_modules\\node-gyp\\bin\\node-gyp .js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library=" gyp ERR! cwd E:\projects\exchangex\node_modules\@angular-devkit\build-angular\node_modules\node-sass gyp ERR! node -v v14.18.1 gyp ERR! node-gyp -v v3.8.0 gyp ERR! This is a bug in `node-gyp`. gyp ERR! Try to update node-gyp and file an Issue if it does not help: gyp ERR! <https://github.com/nodejs/node-gyp/issues> Build failed with error code: 7
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However, ng serve works!

I spent a week trying to get another version of node-gyp to be used, always failing and never tried ng serve because I assumed it would not work.

The goal is to update this project to the current versions of Angular cli / nodeJs but I am at a loss to understand the failure of 'npm install' and the success of 'ng serve'

What am I missing?

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