JSPM

Throw a given error

Make unhandled promise rejections fail loudly instead of the default silent fail

Make unhandled promise rejections fail hard right away instead of the default silent fail

Utility to make jest tests fail when console.error() or console.warn() are used

Gets you the Cypress test command log as JSON on failure

Enable request retry for Popsicle

Makes Jest throw on React prop-type failures

A gulp plugin which forces a task to fail.

Easily generate "custom" error objects with addition properties which can be stringfied with JSON.stringify

make a CLI command always return an exit status of 0. This can be useful in combination with a `watch` process to ensure things keep running.

📼Supertape formatter shows only failed tests

Tiny package implementing multiple strategies to verify if an HTTP request was failed

Error handling tools

A better way to handle errors in JavaScript and TypeScript. Handle async and sync errors without `try` and `catch` blocks.

Lightweight assertion testing framework

Bail after first test failure

Tests will fail if they pass and pass if they fail

A synchronous Promise-like response object containing a resolved/rejected state and associated value

Extend Jest and Puppeteer to automatically take screenshots after each test failure or success

throw expression as a function

A simple function wrapper for ignoring errors thrown.

Async with like promise

Fail with an error message and a correct exit code

Result type (Success/Fail) for operation outcomes in TypeScript/React

Easily print a fail whale

Pxmu 是移动端超轻量的消息提示框插件

A babel plugin that kills javascript's coercion and other silent failure

Result type (Success/Fail) for operation outcomes in TypeScript/React

Run functions when your tasks complete or fail.

An interactive map of failed server login attempts

Wrapper for bluebird with extend feature.

Opinionated better errors for Node.js, browsers and React Native.

A one-liner to at least explain why things didn't work out

Deferred in the most basic way

A Karma failed test examples creator module/plugin

A declarative sync & async js maybe that notes something may fail

throw expression as a function

A module for extracting and locating IPs that failed to login to a Linux machine

A console pass or fail helper

A fail fast module for idiomatic splitting error handling from successful continuation.

A minimal package with a postinstall script that always fails

Mocha reporter that features the Septa, the "nun" from Game Of Thrones

Node.js callbacks queue with rollback capabilities on fail.

Core API for Gruu and Mukla - Minimal, modern and extensible test runners

Repeat a task until it succeeds.

gulp-stylelint reporter that fails stylelint linting task with non-zero exit code

A bug catcher for browsers.

上传文件 图片 图片预览 多文件 文件夹等。接收多参数，多种计算回调，**不提供UI显示**，需要您根据回调自行发挥。

Disable all remaining specs on the first spec failure.

Detect when images have been loaded without jQuery

Failure as a service

Common exception classes for browser and NodeJS

Simple, beautiful spinner.

knock-knock-go is React a helper to simplify the process of loading asynchronous components by dealing with the logic around when to render the component, an error or a loading message

Chaos Monkey implemented as Node.js Express-compatible middleware.

Tools for type-safe handling of expected failure conditions through standard control flow

If this parseInt() encounters an invalid digit, it fails loudly instead of returning a partially parsed number.

Stop grunt execution with an error message and exit code of choice.

Hubot script that requests pass/fail images from a Flubr app instance in response to build states

[Markdown](https://es.wikipedia.org/wiki/Markdown) es un lenguaje de marcado ligero muy popular entre developers. Es usado en muchísimas plataformas que manejan texto plano (GitHub, foros, blogs, ...), y es muy común encontrar varios archivos en ese fo

A simple and easy way to kill any application whenever you want, be it on a new line or as an inline statement!

Summarized error messages displayed with fun drawings

Stream that receives TAP and exits on first failing test.

Replace boring pass and fail messages with popular movies and tv dialogues.

上传文件 图片 图片预览 多文件 文件夹等。接收多参数，多种计算回调，**不提供UI显示**，需要您根据回调自行发挥。

A utility that fails your tests when some text is logged during execution

Combines the popular debug module and log-symbols to create colorized debug logs with matching symbols

Wraps object callback methods in intermittent failure methods

Fail is a JavaScript library for building user interfaces.

Takes a screenshot when a Spec fails.

Making failover images with a blink of an eye

Convenience wrapper around Node core requests to easily test whether a request fails or succeeds.

Report Jest tests in the console that exceed a specified duration threshold, also it has an exclusion array for the tests to be excluded

res.fail({json})

Log a message with a promise, including a success or fail message

Fail Jest tests that exceed a specified duration threshold

A Grunt task to run tasks on multiple Grunt projects that will exit immediately on failure (fail fast)

Automatically and accurately identify bug-introducing changes.

Fail Jest tests that exceed a specified duration threshold

Add controlled chaos to your Angular app in under 5 minutes.