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hard-rejection [](https://travis-ci.org/sindresorhus/hard-rejection)\n\n> Make unhandled promise rejections fail hard right away instead of the default [silent fail](https://gist.github.com/benjamingr/0237932cee84712951a2)\n\nPromises fail silently if you don't attach a `.catch()` handler.\n\nThis module exits the process with an error message right away when an unhandled rejection is encountered.
\n**Note: That might not be desirable as unhandled rejections can be [handled at a future point in time](https://nodejs.org/api/process.html#process_event_unhandledrejection), although not common. You've been warned.**\n\nIntended for top-level long-running processes like servers, **but not in reusable modules.**
\nFor command-line apps and tests, see [`loud-rejection`](https://github.com/sindresorhus/loud-rejection).\n\n\n## Install\n\n```\n$ npm install hard-rejection\n```\n\n\n## Usage\n\n```js\nconst hardRejection = require('hard-rejection');\nconst promiseFunction = require('some-promise-fn');\n\n// Install the handler\nhardRejection();\n\npromiseFunction();\n```\n\nWithout this module it's more verbose and you might even miss some that will fail silently:\n\n```js\nconst promiseFunction = require('some-promise-fn');\n\nfunction error(error) {\n\tconsole.error(error.stack);\n\tprocess.exit(1);\n}\n\npromiseFunction().catch(error);\n```\n\n### Register script\n\nAlternatively to the above, you may simply require `hard-rejection/register` and the handler will be automagically installed for you.\n\nThis is handy for ES2015 imports:\n\n```js\nimport 'hard-rejection/register';\n```\n\n\n## API\n\n### hardRejection([log])\n\n#### log\n\nType: `Function`
\nDefault: `console.error`\n\nCustom logging function to print the rejected promise. Receives the error stack.\n\n\n## Related\n\n- [loud-rejection](https://github.com/sindresorhus/loud-rejection) - Make unhandled promise rejections fail loudly instead of the default silent fail\n- [More…](https://github.com/sindresorhus/promise-fun)\n\n\n## License\n\nMIT © [Sindre Sorhus](https://sindresorhus.com)\n","_attachments":{},"homepage":"https://github.com/sindresorhus/hard-rejection#readme","bugs":{"url":"https://github.com/sindresorhus/hard-rejection/issues"},"license":"MIT"}