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friendly-errors-webpack-plugin

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friendly-errors-webpack-plugin

Recognizes certain classes of webpack errors and cleans, aggregates and prioritizes them to provide a better Developer Experience

  • 1.7.0
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What is friendly-errors-webpack-plugin?

The friendly-errors-webpack-plugin is a Webpack plugin that aims to make Webpack error messages more readable and user-friendly. It cleans up the error messages and provides concise, easy-to-understand output, which can be particularly useful during development.

What are friendly-errors-webpack-plugin's main functionalities?

Basic Setup

This code demonstrates the basic setup of the friendly-errors-webpack-plugin in a Webpack configuration. By including the plugin in the plugins array, it will automatically clean up and format error messages.

const FriendlyErrorsWebpackPlugin = require('friendly-errors-webpack-plugin');

module.exports = {
  // other webpack config options
  plugins: [
    new FriendlyErrorsWebpackPlugin(),
  ],
};

Custom Error Messages

This code shows how to customize the success messages and clear the console using the friendly-errors-webpack-plugin. The `compilationSuccessInfo` option allows you to specify custom messages to display when the compilation is successful.

const FriendlyErrorsWebpackPlugin = require('friendly-errors-webpack-plugin');

module.exports = {
  // other webpack config options
  plugins: [
    new FriendlyErrorsWebpackPlugin({
      compilationSuccessInfo: {
        messages: ['Your application is running here: http://localhost:3000'],
      },
      clearConsole: true,
    }),
  ],
};

Custom Error Formatters

This code demonstrates how to use the `onErrors` option to create custom error formatters. The function provided to `onErrors` will be called with the severity and errors, allowing you to customize how errors are displayed.

const FriendlyErrorsWebpackPlugin = require('friendly-errors-webpack-plugin');

module.exports = {
  // other webpack config options
  plugins: [
    new FriendlyErrorsWebpackPlugin({
      onErrors: function (severity, errors) {
        if (severity !== 'error') {
          return;
        }
        const error = errors[0];
        console.error(error.name);
        console.error(error.message);
      },
    }),
  ],
};

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Package last updated on 05 Apr 2018

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