| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758 |
- # p-try [](https://travis-ci.org/sindresorhus/p-try)
- > Start a promise chain
- [How is it useful?](http://cryto.net/~joepie91/blog/2016/05/11/what-is-promise-try-and-why-does-it-matter/)
- ## Install
- ```
- $ npm install p-try
- ```
- ## Usage
- ```js
- const pTry = require('p-try');
- (async () => {
- try {
- const value = await pTry(() => {
- return synchronousFunctionThatMightThrow();
- });
- console.log(value);
- } catch (error) {
- console.error(error);
- }
- })();
- ```
- ## API
- ### pTry(fn, ...arguments)
- Returns a `Promise` resolved with the value of calling `fn(...arguments)`. If the function throws an error, the returned `Promise` will be rejected with that error.
- Support for passing arguments on to the `fn` is provided in order to be able to avoid creating unnecessary closures. You probably don't need this optimization unless you're pushing a *lot* of functions.
- #### fn
- The function to run to start the promise chain.
- #### arguments
- Arguments to pass to `fn`.
- ## Related
- - [p-finally](https://github.com/sindresorhus/p-finally) - `Promise#finally()` ponyfill - Invoked when the promise is settled regardless of outcome
- - [More…](https://github.com/sindresorhus/promise-fun)
- ## License
- MIT © [Sindre Sorhus](https://sindresorhus.com)
|
