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| author | Priyansh <[email protected]> | 2020-12-22 17:49:59 +0530 |
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| committer | Priyansh <[email protected]> | 2020-12-22 17:49:59 +0530 |
| commit | e93da8b04da86773247aadb1cbb1912e4f4526b2 (patch) | |
| tree | eb4ef3203a92ed3dbd2252ddb1ea23bd2d670c98 /node_modules/universalify/README.md | |
| parent | a5743c293dcb435e4b159a4df791f8955a4110ec (diff) | |
| download | styx-e93da8b04da86773247aadb1cbb1912e4f4526b2.tar.xz styx-e93da8b04da86773247aadb1cbb1912e4f4526b2.zip | |
Rewriting Project
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| -rw-r--r-- | node_modules/universalify/README.md | 76 |
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diff --git a/node_modules/universalify/README.md b/node_modules/universalify/README.md new file mode 100644 index 0000000..487067b --- /dev/null +++ b/node_modules/universalify/README.md @@ -0,0 +1,76 @@ +# universalify + +[](https://travis-ci.org/RyanZim/universalify) + + + + +Make a callback- or promise-based function support both promises and callbacks. + +Uses the native promise implementation. + +## Installation + +```bash +npm install universalify +``` + +## API + +### `universalify.fromCallback(fn)` + +Takes a callback-based function to universalify, and returns the universalified function. + +Function must take a callback as the last parameter that will be called with the signature `(error, result)`. `universalify` does not support calling the callback with more than three arguments, and does not ensure that the callback is only called once. + +```js +function callbackFn (n, cb) { + setTimeout(() => cb(null, n), 15) +} + +const fn = universalify.fromCallback(callbackFn) + +// Works with Promises: +fn('Hello World!') +.then(result => console.log(result)) // -> Hello World! +.catch(error => console.error(error)) + +// Works with Callbacks: +fn('Hi!', (error, result) => { + if (error) return console.error(error) + console.log(result) + // -> Hi! +}) +``` + +### `universalify.fromPromise(fn)` + +Takes a promise-based function to universalify, and returns the universalified function. + +Function must return a valid JS promise. `universalify` does not ensure that a valid promise is returned. + +```js +function promiseFn (n) { + return new Promise(resolve => { + setTimeout(() => resolve(n), 15) + }) +} + +const fn = universalify.fromPromise(promiseFn) + +// Works with Promises: +fn('Hello World!') +.then(result => console.log(result)) // -> Hello World! +.catch(error => console.error(error)) + +// Works with Callbacks: +fn('Hi!', (error, result) => { + if (error) return console.error(error) + console.log(result) + // -> Hi! +}) +``` + +## License + +MIT |
