Error: The 'browser' field in the NPM configuration is missing a valid alias setting

When running the following command:

node .\node_modules\webpack\bin\webpack.js --config scripts/webpack.config.js --display-error-details

An error is generated with the following details.

Currently, I am testing the script and my application.ts file only contains the following code snippet:


export class Aureus {

    constructor() {
        alert('1');
    }

}

The webpack configuration file is structured as follows:


const globule = require("globule");
const path = require("path");
const webpack = require("webpack");
const extractTextPlugin = require("extract-text-webpack-plugin");

const config = {
    // Configuration goes here...
};

const configuration = {
    // Webpack configuration settings...
};

module.exports = configuration;
    

The specific error message reads as follows:

I'm encountering an error related to the location of 'application.ts'. This file can be found at ./scripts/application.ts, within the same directory as webpack.config.js.


ERROR in Entry module not found: Error: Can't resolve 'application.ts' in 'C:\Projects\Github\Aureus\Aureus.Web\scripts'
resolve 'application.ts' in 'C:\Projects\Github\Aureus\Aureus.Web\scripts'
  Parsed request is a module
  using description file: C:\Projects\Github\Aureus\Aureus.Web\package.json (relative path: ./scripts)
    Field 'browser' doesn't contain a valid alias configuration
  after using description file: C:\Projects\Github\Aureus\Aureus.Web\package.json (relative path: ./scripts)
    resolve as module
      ...

Answer №1

If you do not specify a resolve rule, your imports from the node_modules folder will default to looking in the folder specified by the context parameter.

You can try this alternative approach:

resolve: {    
  modules: [
    /* Assuming that your node_modules directory is located one level up
       relative to the currently running script
    */
    path.join(__dirname, '../node_modules')
  ]
}

Additionally, ensure that you are referring to your entry file relative to the context:

"application": "./application.ts"

Instead of:

"application": "application.ts"

Answer №2

Perhaps it's time to double-check your package-lock.json file and ensure that the versions of your packages are accurate

NPM throws this error when the versions of your packages are incorrect.

Here are some helpful tips:

  1. Verify Node version: node -v
  2. Confirm that you have already installed everything by running this command in the root directory: npm i
  3. Examine the versions listed in the package.json files for any discrepancies.

For example:

"eslint": "^5.16.0",

Instead of:

"eslint": "^4.4.0",

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