Error Cannot find module lib utils unsupported js while using Ionic

Question

I always get this error message when I run  Ionic start project name    Error message  Running command - failed  ERROR  An error occurred while running npm install  exit code 1        module js 471         throw err                 Error  Cannot find module     lib utils unsupported js          at Function Module  resolveFilename  module js 469 15          at Function Module  load  module js 417 25          at Module require  module js 497 17          at require  internal module js 20 19          at  usr local lib node modules npm bin npm-cli js 19 21         at Object  lt anonymous gt    usr local lib node modules npm bin npm-cli js 79 3          at Module  compile  module js 570 32          at Object Module  extensions  js  module js 579 10          at Module load  module js 487 32          at tryModuleLoad  module js 446 12

User · Answer

Yes you should re-install node   sudo rm -rf  usr local lib node modules npm  brew uninstall --force node                  brew install node

User · Answer

On Mac OS X  10 12 6   I resolved this issue by doing the following   brew uninstall --force node brew install node   I then got an error complaining that node postinstall failed  and to rerun brew postinstall node  I then got an error   permission denied   rb sysopen  usr local lib node modules npm bin npx   I resolved that error by   sudo chown -R   whoami  admin  usr local lib node modules   And now I don t get this error any more

User · Answer

I was running into a similar issue where the whole    lib utils directory couldn t be found when I tried executing Mocha via npm test  I tried the mentioned solutions here with no luck  Ultimately I ended up uninstalling and reinstalling the Mocha package that was a dependency in the npm project I was working in and it worked after that  So if anyone s having this issue with an npm package installed as a dependency  try uninstalling and reinstalling the package if you haven t already

User · Answer

On fedora 27 I solved the problem by doing this   sudo rm -f   usr local lib node modules npm sudo dnf reinstall nodejs

User · Answer

I received a similar error and now have it working    First make sure you have the latest version  brew update   Remove your previous instance of node   brew uninstall node   Then reinstall the latest version   brew install node   And then make sure it is symlinked into  usr local if it isn t already  You would get an error to let you know to complete this step   brew link --overwrite node    More details on how to install upgrade node are also available

User · Answer

I followed the previous answers and reinstalled node  But I got this error      Warning  The post-install step did not complete successfully You can   try again using brew postinstall node   So I ran this command   sudo chown -R   whoami  admin  usr local lib node modules    Then ran  brew postinstall node

User · Answer

In my case it was  NODE PATH missing    NODE   home ubuntu local node   here your user account after home NODE PATH   usr local lib node modules   PATH   PATH  usr local sbin  usr local bin  usr sbin  usr bin  sbin  bin  usr games  NODE bin  NODE lib node modules    To check just echo  NODE PATH empty means it is not set  Add them to  bashrc is recommended

User · Answer

If you are using  n  library   https   github com tj n   Do the following    echo  NODE PATH   If node path is empty  then   sudo n latest    - sudo is optional depending on your system   After switching Node js versions using n  npm may not work properly    curl -0 -L https   npmjs com install sh   sudo sh echo NODE PATH   You should see your Node Path now  Else  it might be something else

User · Answer

Simply follow three steps    Clear npm cache forcefully   npm cache clean -f Install n package globally using npm   npm install -g n Install from any of three options   a  sudo n stable  get the stable version   b  sudo n latest  get the latest version of node   c  sudo n x x x  get the specific version of node

User · Answer

I got this error by mixing install update methods   installed node via downloading package from website  and later I used brew to update   I fixed by uninstalling the brew version        brew uninstall --ignore-dependencies node   Then I went back to node website and downloaded and installed via the package manager  https   nodejs org en download    For some reason  no amount of trying to reinstall via brew worked

User · Answer

Tried all above older brew installation answers  none is working for my laptop   Only below method could fix my issue   1  Run following commands   sudo rm -rf  usr local lib node modules npm brew uninstall --force node         2  Then  proceed to Node js Official Website https   nodejs org en download current  to download latest package for new installation   3  Run your npm command again  which should longer have any errors   This method is working on macOS Mojave Version 10 14 4

User · Answer

This is a helpful video and blog post about removing node from your computer OS  It is a different method of removal based on how you installed node in the first place  brew vs  binary file downloaded from https   nodejs org en    if you installed node with Homebrew then brew uninstall node will work  Verify that with running a node -v command in your terminal   Otherwise and if you have installed the binary file from nodeJS s websitethen you have to run this command in your terminal  sudo rm -rf  usr local  bin  node npm  lib node modules npm lib node share man   node     Again  verify that with running a node -v command   In both cases  successful removal of node should result in bash not recognizing what node is if it is completely removed

User · Answer

In my macOS  10 13 3   I got it solved after reinstalling Node version manager   curl -o- https   raw githubusercontent com creationix nvm v0 33 11 install sh   bash source    bashrc

User · Answer

Try to remove  usr local lib node modules npm and reinstall node again  This should work   On MacOS with Homebrew   sudo rm -rf  usr local lib node modules npm brew reinstall node

User · Answer

The error Cannot find module     lib utils unsupported js  is caused by require     lib utils unsupported js   in   lib node modules npm bin npm-cli js  According to the nodejs require docs  the required module is searched relative to the file  as it starts with      Thus  if we take the relative path    lib utils unsupported js starting from   lib node modules npm bin npm-cli js  the required module must reside in   lib node modules npm lib utils unsupported js  If it is not there  I see two options   the installation is corrupt  in which case Vincent Ducastel s answer to reinstall node might work npm is no symlink to   lib node modules npm bin npm-cli js  This is what caused the error in my setup  If you call npm  it will typically find it be searching it in the directories listed in the PATH env var  It might for example be located in   bin  However  npm in a   bin directory should only be a symlink to the aforementioned   lib node modules npm bin npm-cli js  If it is not a symlink but directly contains the code  somewhere in the installation process the symlink got replaced by the file it links to  In this case  it should be sufficient to recreate the symlink  cd   bin  rm npm  ln -s    lib node modules npm bin npm-cli js npm  update  command fixed  thx  massimo   All answers that suggest to check the NODE PATH or the npmrc config should be ignored  as these are not considered when searching modules relatively

User · Answer

This may happen when the npm lib folder got emptied for some reason  could also happen due to permission issues in the last usage    A reinstallation of the node could solve the issue  as stated on other answers here   but I would suggest using a wonderful tool called nvm  Node Version Manager   which is able to manage multiple version of node and npm - this is mostly useful on dev machines with more than one projects require different versions of node   When you install nvm  this message will go away and you will have the latest version of node and npm to use   In order to see the list of currently installed node versions in your nvm  just run   nvm list   In order to install and use a new node version  run   nvm install  lt node version gt    For example to install latest version of node 10 x  run   nvm install 10   In order to switch to currently installed version  run   nvm use  lt node version gt    In order to switch to system s original node version  just run   nvm use system   Hope this helps   Good luck

User · Answer

As mentioned earlier    sudo rm -rf  usr local lib node modules npm  brew uninstall --force node                  brew install node

User · Answer

https   nodejs org en    Simply download node from the official website  this worked for me

[node.js] Error: Cannot find module '../lib/utils/unsupported.js' while using Ionic

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