Struggling with resolving Angular dependencies

Every time I try to run npm install or any other npm command, a string of dependency errors pops up, leaving me puzzled on how to resolve them.

Here are the steps I've taken so far:-->

  1. Forced update of angular CLI.

  2. Reinstalled Node.

  3. I even went as far as deleting the entire project once and cloning it again from the repository.

    npm WARN config global `--global`, `--local` are deprecated. Use `--location=global` instead.
    npm ERR! code ERESOLVE
    npm ERR! ERESOLVE could not resolve
    npm ERR! 
    npm ERR! While resolving: @angular/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="4c2d2225212d382523223f0c7d7e627d627d">[email protected]</a>
    npm ERR! Found: @angular/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="1b7874697e5b2a2a3529352b">[email protected]</a>
    npm ERR! node_modules/@angular/core
    npm ERR!   @angular/core@"~11.2.0" from the root project
    npm ERR!   peer @angular/core@"11.2.0" from @angular/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="583b3735353736186969766a7668">[email protected]</a>     
    npm ERR!   node_modules/@angular/common
    npm ERR!     @angular/common@"~11.2.0" from the root project
    npm ERR!     peer @angular/common@"11.2.0" from @angular/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="7c1a130e110f3c4d4d524e524c">[email protected]</a>  
    npm ERR!     node_modules/@angular/forms
    npm ERR!       @angular/forms@"~11.2.0" from the root project
    npm ERR!       1 more (@ionic/angular)
    npm ERR!     5 more (@angular/platform-browser, ...)
    npm ERR!   7 more (@angular/forms, @angular/platform-browser, ...)     
    npm ERR! 
    npm ERR! Could not resolve dependency:
    npm ERR! peer @angular/core@"12.1.1" from @angular/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="0a6b6463676b7e636564794a3b38243b243b">[email protected]</a>   
    npm ERR! node_modules/@angular/animations
    npm ERR!   @angular/animations@"^12.1.1" from the root project
    npm ERR!   peer @angular/animations@">=12.0.0-0" from <a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="0a646d72277e786f646e4a3d243a243a">[email protected]</a>  
    npm ERR!   node_modules/ngx-trend
    npm ERR!     ngx-trend@"^7.0.0" from the root project
    npm ERR! 
    npm ERR! Conflicting peer dependency: @angular/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="90f3ffe2f5d0a1a2bea1bea1">[email protected]</a>
    npm ERR! node_modules/@angular/core
    npm ERR!   peer @angular/core@"12.1.1" from @angular/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="2c4d4245414d584543425f6c1d1e021d021d">[email protected]</a> 
    npm ERR!   node_modules/@angular/animations
    npm ERR!     @angular/animations@"^12.1.1" from the root project       
    npm ERR!     peer @angular/animations@">=12.0.0-0" from <a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="1d737a6530696f7873795d2a332d332d">[email protected]</a>
    npm ERR!     node_modules/ngx-trend
    npm ERR!       ngx-trend@"^7.0.0" from the root project
    npm ERR! 
    npm ERR! Fix the upstream dependency conflict, or retry
    npm ERR! this command with --force, or --legacy-peer-deps
    npm ERR!

Take a look at my package.json configuration below:

{
  "name": "APP NAME",
  "version": "0.0.1",
  "author": "Ionic Framework",
  "homepage": "https://ionicframework.com/",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "config": {
    "ionic_generate_source_map": "true"
  },
  "private": true,
  "dependencies": {
    /* list of dependencies */
  },
  "devDependencies": {
    /* list of devDependencies */
  },
  "description": "An Ionic project",
  "cordova": {
    /* cordova plugins and platforms */
  }
}

Answer №1

Make sure to verify your current node version.

If necessary, switch back to either node version 10 or 12 and then reinstall npm using this method which successfully resolved my issue :)

For additional assistance in resolving your problem, refer to the post linked below.

Is there a compatibility list for Angular / Angular-CLI and Node.js?

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