pretty-error

What is pretty-error?

The pretty-error npm package is used to render error messages in a more visually appealing and readable format in Node.js applications. It transforms error stack traces into a more structured and stylized output, which can help developers to more easily identify the source and context of an error.

What are pretty-error's main functionalities?

Customizing the appearance of errors

This feature allows developers to customize the appearance of the error output by appending styles to the default configuration.

const PrettyError = require('pretty-error');
const pe = new PrettyError();
pe.appendStyle({
  'pretty-error > header > title > kind': {
    display: 'none'
  },
  'pretty-error > header > colon': {
    display: 'none'
  }
});
console.log(pe.render(new Error('Something went wrong!')));

Start using pretty-error with default settings

This code sample demonstrates how to use pretty-error with its default settings to render a more readable error message.

const PrettyError = require('pretty-error');
const pe = new PrettyError();
console.log(pe.render(new Error('Something went wrong!')));

Skipping packages and paths in the stack trace

This feature allows developers to skip certain packages or paths when rendering the error stack trace, making it easier to focus on the relevant parts of the trace.

const PrettyError = require('pretty-error');
const pe = new PrettyError();
pe.skipPackage('express', 'mongoose');
pe.skipPath('/home/user/node_modules/');
console.log(pe.render(new Error('Something went wrong!')));

Other packages similar to pretty-error

chalk

Chalk is a popular npm package that allows developers to style their terminal string output with colors and styles. While it doesn't format error messages specifically, it can be used in conjunction with other error handling to create a more readable output.

signale

Signale is an npm package that provides a console logger with various log levels and customizable, pretty output. It includes features for timing functions, displaying badges, and more. It's similar to pretty-error in that it enhances the visual output of logs, but it's more focused on general logging rather than error stack traces.

cli-highlight

CLI-Highlight is a syntax highlighter for the terminal. It can be used to highlight code snippets, including error stack traces, in various programming languages. It's similar to pretty-error in that it improves the readability of terminal output, but it's more generic and not specifically tailored to error messages.

README

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