Created
December 23, 2014 09:42
-
-
Save johndstein/48297d3bb63a116ef203 to your computer and use it in GitHub Desktop.
new promise catches all
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/usr/bin/env node | |
var Promise = require("bluebird"); | |
// function dosomething(n) { | |
// if (n === 7) { | |
// var err = new Error('seven error'); | |
// return Promise.reject(err); | |
// //throw err; | |
// } | |
// return Promise.resolve(n * 3); | |
// } | |
function dosomething(n) { | |
return new Promise(function(resolve, reject) { | |
if (n === 7) { | |
throw new Error('seven error'); | |
} | |
resolve(n * 3); | |
}); | |
} | |
function wrapsomething(n) { | |
// try { | |
return dosomething(n) | |
.catch(function(err) { | |
return err; | |
}); | |
// } catch (err) { | |
// return Promise.resolve(err); | |
// } | |
} | |
Promise.map([1, 2, 3, 4, 5, 6, 7, 8, 9, 0], wrapsomething) | |
.then(function(vals) { | |
console.log('JDS JDS VALS', vals); | |
}) | |
.catch(function(err) { | |
console.error('JDS JDS ERR', err); | |
}); | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment